Updates & Changes

Here is an overview of all updates and changes to our software packages. Please subscribe to our newsletter if you would like to be notified automatically about changes and bug fixes.

To the current installation routines

 

SoftwareVersion
GGU-RETAIN12.06
  • Simplified verification of the lock setting according to EAU 2020
  • Bugfix: Resulting design value from action boundaries (variable)
27.09.2024
GGU-RETAIN12.05
  • Term 'Seismic effects according to EAU 1990' replaced by 'Seismic effects according to EAU'
  • Seismic effects: Wall friction angle is not automatically set to '0'.
25.07.2024
GGU-RETAIN12.04
  • Bugfix: Vertical capacity bedded system and Method 1
29.05.2024
GGU-RETAIN12.03
  • Subgrade reaction modulus via constrained modulus implemented
12.04.2024
GGU-RETAIN12.02
  • Common system "Trench shoring" added.
28.02.2024
GGU-RETAIN11.33
  • Product management
28.02.2024
GGU-RETAIN12.01
  • Verification of anchoring base: Earth resistance now with its own adjustment factor
28.02.2024
GGU-RETAIN12.00
  • Common systems implemented
  • GGU-CONNECT ready
  • Consider buoyancy of retaining wall

Info: Paid major update (free of charge for licensees with subscription or update insurance under the software service agreement)

02.02.2024
GGU-RETAIN11.32
  • Bugfix Seismic effects: Hydrodynamic pressure on the outer wall surface
22.11.2023
GGU-RETAIN11.31
  • Bugfix Seismic effects: Hydrodynamic pressure on the outer wall surface
16.11.2023
GGU-RETAIN11.30
  • Bugfix: Soil types (seismic effects) on the active side in output table
14.11.2023
GGU-RETAIN11.29 / 10.68
  • Bugfix: Infill analysis without concrete qualities for bored soldier pile wall
02.11.2023
GGU-RETAIN11.28
  • Bugfix: Inserted beams infill loading
17.10.2023
GGU-RETAIN11.27
  • Bugfix: Diaphragm wall shear reinforcement now with correct unit ("cm^2/m/m")
26.09.2023
GGU-RETAIN11.26
  • Reinforced concrete design: Number of points with "No reinforcement found" are displayed.
14.09.2023
GGU-RETAIN11.25
  • Program maintenance
30.08.2023
GGU-RETAIN11.24
  • For new table values skin friction interpolation for qc < 7.5 MN/m^2 or cu,k < 60 kN/m^2 implemented.

01.08.2023
GGU-RETAIN11.23
  • Simplified analysis for several sections now with max w,d of the respective section.
  • Program maintenance
12.07.2023
GGU-RETAIN11.22
  • Bugfix: Simplified analysis in accordance with EAU 2020 for sheet pile walls.
05.05.2023
GGU-RETAIN11.21 / 10.67
  • Bugfix: Soldier pile wall subgrade switch "continuous wall" deactivated.
22.03.2023
GGU-RETAIN11.20
  • Design situation 'DS-E' according to current standard now 'DS-A/DS-E'
  • Design situation 'DS-E(old)' added.
  • Bugfix: Vertical capacity I beam sections eta(b)
15.03.2023
GGU-RETAIN10.66
  • Bugfix: Vertical capacity I beam sections eta(b)
15.03.2023
GGU-RETAIN11.19 / 10.65
  • Bugfix: Increased active earth pressure and equivalent earth pressure coefficient and very high cohesion values.
23.02.2023
GGU-RETAIN10.64
  • Bugfix: Vertical capacity of sheet pile walls and check box "EAB 2021" activated. End resistance is no longer doubled.
  • Bugfix: Increased active earth pressure and equivalent earth pressure coefficient and very high cohesion values.
24.01.2023
GGU-RETAIN11.18
  • Bugfix: Vertical capacity of sheet pile walls and check box "EAB 2021" activated. End resistance is no longer doubled.
  • Bugfix: Increased active earth pressure and equivalent earth pressure coefficient and very high cohesion values.
23.01.2023
GGU-RETAIN10.63
  • Product management (Check box "Mouse wheel operation with global coordinates" in "Graphics preferences/Zoom info" menu item)
11.01.2023
GGU-RETAIN11.17
  • Partial safety factors gam,phi according to DIN EN 1998-5 introduced. This concerns the calculation of the earth pressure coefficients according to Mononobe and Okabe.
15.12.2022
GGU-RETAIN11.16
  • Verification of welding lengths for U sections of sheet pile walls
06.12.2022
GGU-RETAIN11.15
  • Verification of grouting points for U-shaped sheet piles (EAU 8.1.2.6.3)
08.11.2022
GGU-RETAIN11.14
  • Visualisation of construction phases optimised.
  • Product management
27.10.2022
GGU-RETAIN11.13
  • Yield stress fy,k can be freely defined.
10.10.2022
GGU-RETAIN11.12
  • Maximum inclination of anchors and struts increased to 89°.
  • Product management
29.08.2022
GGU-RETAIN11.11. / 10.62
  • Mouse wheel operation now according to Windows conventions
  • Product management
18.07.2022
GGU-RETAIN11.10 / 10.61
  • Bugfix: Design force for struts with deviating partial safety factor for water pressure.
31.05.2022
GGU-RETAIN11.09
  • Bugfix: p-y method: Soil properties legend visualisation
24.05.2022
GGU-RETAIN11.08 / 10.60
  • Bugfix: Soldier pile wall and 'Subgrade on continuous wall' check box deactivated.
16.05.2022
GGU-RETAIN11.07 / 10.59
  • Bugfix: Possible error for sheet pile wall with multiple profiles removed. Occurs when equation 5.22 EC 3 is governing.
05.05.2022
GGU-RETAIN11.06
  • Product management
14.04.2022
GGU-RETAIN11.05
  • Explanation on partial safety of grouted tension pile systems (DIN 14199 or DIN 12699) added.
31.03.2022
GGU-RETAIN11.04
  • Mini-CAD: Selection layer definition improved.
  • Print output: 'Print page 1 only' check box added.
30.03.2022
GGU-RETAIN11.03

Product management

17.03.2022
GGU-RETAIN11.02
  • Product management
09.03.2022
GGU-RETAIN11.01 / 10.58
  • Bugfix: Analysis of mobilised passive earth pressure and defined anchor spacing, if anchors or struts are present.
24.02.2022
GGU-RETAIN11.00
  • Seismic effects completely revised.
  • p-y-method for soldier pile walls and bored soldier pile walls implemented.
  • R 102: Passive earth pressure adjustment can be restricted to toe support analysis.

Info: Paid major update (free of charge for licensees with subscription or update insurance under the software service agreement)

17.01.2022
GGU-RETAIN10.57
  • Product management
13.01.2022
GGU-RETAIN10.56
  • Bugfix: EB 102 comparision now performed with characteristic passive earth pressure. Previous results are more conservative.
15.12.2021
GGU-RETAIN10.55
  • Program maintenance

22.11.2021
GGU-RETAIN10.54
  • Bugfix: Anchor forces Nw,k in output table for prestressing
  • Bugfix: Subgrade reaction approach for soldier pile walls and free interlock piling
12.11.2021
GGU-RETAIN10.53 / 9.55
  • Bugfix: Self-weight of pile for non-secant bored pile wall
28.10.2021
GGU-RETAIN10.52
  • Product management
05.10.2021
GGU-RETAIN10.51
  • Product management
21.09.2021
GGU-RETAIN10.50 / 9.54
  • Bugfix: Young's modulus of inserted beams
15.09.2021
GGU-RETAIN10.49 / 9.53
  • Bugfix: Active earth pressure factor <> 1.0 and changeable loads and "Do not redistribute live loads" check box activated.
07.09.2021
GGU-RETAIN10.48
  • Bugfix: Analysis of concrete vault for bored pile walls with inserted beams.
     
11.08.2021
GGU-RETAIN10.47
  • Vertical capacity and skin friction doubled for excavated wall only.
  • Bugfix: Vertical capacity compliant with EAB 2021 and Method 2
05.08.2021
GGU-RETAIN10.46
  • Bugfix: Vertical capacity to EAB 2021 and own empirical data
28.07.2021
GGU-RETAIN10.45 / 9.92
  • Bugfix: Anchor design and activated check box "Always design anchors for DS-P"
27.07.2021
GGU-RETAIN10.44 / 9.51
  • Vertical capacity to EAB 2021 implemented.
  • Bugfix: Anchor force from water pressure for anchors with pretensioning
15.07.2021
GGU-RETAIN10.43
  • Product management
06.07.2021
GGU-RETAIN10.42
  • Warning in output table on stability of berms.
  • Additional loads for non-secant pile walls with inserted beams
  • Bugfix: Simplified analysis in accordance with EAU 2020 gam,M0 replaced by gam,M1
16.06.2021
GGU-RETAIN10.41
  • Minimum earth pressure and distributed load implemented compliant with EAB 2021 EB 6.
  • Combined sheet pile wall: Simplified analysis compliant with EAU 2020 Section 8.2.7 implemented.
08.06.2021
GGU-RETAIN10.40
  • Bugfix: Labelling anchor with N,w,k
08.06.2021
GGU-RETAIN10.39 / 9.50
  • Bugfix: Seismic effects to EAU 1990 (caused by DIN 4085)​​​​​​​
    ​​​​​​​Old results are more conservative.
25.05.2021
GGU-RETAIN10.38 / 9.49
  • Bugfix: Passive earth pressure after Culmann and passive berms with surcharge.
  • Bugfix: Determination of state variables for load case g,d in steel section design.
07.05.2021
GGU-RETAIN10.37
  • Waling: Waling data set can be generated from soldier pile section list.
22.04.2021
GGU-RETAIN10.36
  • Vertical capacity: Reduction of qb,k due to embedment depth (EAB 85) can be deselected.
20.04.2021
GGU-RETAIN10.35
  • Bugfix: Combined sheet pile walls (I beam sections) can be designed without buckling analysis again.
25.02.2021
GGU-RETAIN10.34
  • Export to GGU-STABILITY improved.
04.01.2021
GGU-RETAIN10.33
  • Possible inaccuracy for passive earth pressure after Culmann corrected.
17.12.2020
GGU-RETAIN10.32
  • Earth pressure after Culmann now also with seismic effects
03.12.2020
GGU-RETAIN10.31
  • Loads with limited plan dimensions expanded by the average from the sheet pile wall manual 1977 and DIN 4085.
  • Graphic output table: saving and loading of all settings.
25.11.2020
GGU-RETAIN10.30
  • Product management
28.10.2020
GGU-RETAIN10.29 / 9.48
  • Bugfix: Protocol printout vertical load capacity with own values
  • Bugfix: CMG-wall compression vault: Calculation max eah(d) under excavation base.
23.10.2020
GGU-RETAIN10.28 2020.12 / 9.47 2020.2
  • Bugfix: PSP profiles for combined sheet piling. The included PSP profiles were provided by the Hoesch company for about 10 years. The tables handed over are faulty in some areas. The PSP profiles were therefore removed from the GGU-RETAIN.kom_ggu file. Details can be provided on request.
09.10.2020
GGU-RETAIN10.28
  • Bugfix: Vertical capacity with user-defined data and "Calculate qbk by averaging qc or cuk" check box deactivated.
20.07.2020
GGU-RETAIN10.27
  • Bugfix: Normal force printout for anchors and struts resulting from water pressure for systems with predeformation.
15.05.2020
GGU-RETAIN10.26
  • Loads with limited plan dimensions revised and supplemented by the DIN 4085 approach.
14.05.2020
GGU-RETAIN9.47
  • Bugfix: Deep-seated stability and surcharge earth pressures
07.05.2020
GGU-RETAIN10.25
  • Bugfix: Deep-seated stability and surcharge earth pressures
05.05.2020
GGU-RETAIN10.24
  • Bugfix: Buckling analysis of tubes to EN 1993-1-6 Equation D.15 (minor influence)
14.04.2020
GGU-RETAIN10.23
  • Buckling analysis to DIN EN 1993-1-6 for pipes implemented.
  • Graphical visualisation of action boundaries improved.
07.04.2020
GGU-RETAIN10.22
  • Vertical capacity: The end resistance qb,k can now also be averaged directly using the corresponding table values without averaging qc or cu,k. This is advantageous if there are cohesionless and cohesive soils in the wall base zone of influence.
 
11.03.2020
GGU-RETAIN10.21
  • Reduction of cohesion (R 14) can be turned off for analysis of Sum H.
 
28.02.2020
GGU-RETAIN10.20
  • Construction phases now with envelope for reinforcement.
 
17.02.2020
GGU-RETAIN10.19
  • Bugfix: Vertical capacity for bedded systems and Method 1
  • 2019 EAU annual report implemented.
06.02.2020
GGU-RETAIN10.18
  • Reduction of cohesion compliant with R 14 now also for analysis of Sum H, heave FOS, export to GGU Stability and length surcharge
  • Optimisation of the analysis of vertical capacity compliant with procedure 2
 
29.01.2020
GGU-RETAIN10.17
  • Productmanagement
 
10.12.2019
GGU-RETAIN10.16
  • Bugfix: Possible construction phases loading error rectified.
 
18.11.2019
GGU-RETAIN10.15
  • Bugfix: Self-weight Inserted beam
 
12.11.2019
GGU-RETAIN10.14
  • Product management
11.10.2019
GGU-RETAIN10.13 / 9.46
  • Bugfix: Soldier pile wall and baseplate: No reduction to Piling Recommendations (EA-Pfähle)
18.07.2019
GGU-RETAIN10.12
  • Bugfix: Imprecision with double-bounded surcharges on the passive side eradicated.
16.07.2019
GGU-RETAIN10.11
  • Product management
25.06.2019
GGU-RETAIN10.10
  • Product management
17.06.2019
GGU-RETAIN10.09
  • Construction phases: Reduced moments compliant with EAU 2012 8.2.1.2 can be visualised. Menu item "System/Graphics output preferences".
05.06.2019
GGU-RETAIN10.08
  • Product management
15.05.2019
GGU-RETAIN10.07
  • Bugfix: Reduction compliant with R 85 Para. 7 is no longer adopted for skin friction.
10.05.2019
GGU-RETAIN10.06
  • Product management
25.04.2019
GGU-RETAIN10.05
  • Bugfix: Warning passive earth pressure calibration factor for at-rest pressure
 
16.04.2019
GGU-RETAIN10.04
  • Bugfix: Soldier pile wall with tubes: Soldier pile spacing is no longer set to 1.0.
04.03.2019
GGU-RETAIN10.03
  • Soldier pile wall now also with tubular sections.
 
01.03.2019
GGU-RETAIN10.02
  • Water pressure hatching spacing can be defined.
 
22.02.2019
GGU-RETAIN10.01
  • Earth pressure and state variable hatching spacing can be defined.
 
19.02.2019
GGU-RETAIN10.00
  • PDF import implemented.
  • Mini-CAD: Layer designations can be defined.
  • Expandable database with soil properties for common soils.
  • Screen visualisation accelerated.

Info: Paid major update (free of charge for licensees with subscription or update insurance under the software service agreement)

 
13.02.2019
GGU-RETAIN9.45 / 8.71
  • Bugfix: Combined sheet pile walls and soldier pile walls with several sections, if reduced fyk is required.
17.12.2018
GGU-RETAIN8.70
  • Bugfix: Potentials log output
  • Bugfix: Soldier pile walls and contiguous walls: Three-dimensional effect of passive ep
 
04.12.2018
GGU-RETAIN9.44
  • Warning calibration factor EAB R 23 <> 0
  • Deep-seated stability: Reduction to EAB R 44.
29.11.2018
GGU-RETAIN9.43
  • Bugfix: Analysis of vertical capacity for bored pile wall
 
26.11.2018
GGU-RETAIN9.42
  • Skin friction interpolation, if qc < 7.5 MN/m² or c,uk < 60 kN/m²
 
08.11.2018
GGU-RETAIN9.41
  • Bugfix: Equation for toe potential to EAU 1990 R 115 replaced by equation in EAU 2004 R 115. EAU 1990 was more conservative.
17.10.2018
GGU-RETAIN9.40
  • Bugfix: Anchor with prestressing N,w,k in output table
  • 9.39: Product management
12.09.2018
GGU-RETAIN9.38
  • baseplate now as square slab
 
05.07.2018
GGU-RETAIN9.37
  • Product management
 
07.06.2018
GGU-RETAIN9.36
  • product management
 
08.05.2018
GGU-RETAIN9.35
  • Bugfix: Soldier pile walls and contiguous walls: Three-dimensional effect of passive ep
  • product management
  • Colour selection on passive side for different soils on the passive and active side optimised.
 
13.03.2018
GGU-RETAIN9.34
  • Bugfix: Potentials log output
  • Inserted beams for contiguous walls, diaphragm walls and bored pile walls implemented.
 
06.03.2018
GGU-RETAIN9.32
  • Reduction of cohesion on soldier pile walls by "0.5" compliant with R 14 now possible using a factor.
 
28.02.2018
GGU-RETAIN9.33
  • Analysis of vertical capacity of soldier pile wall now with baseplate.
  • Background colour for legends implemented
 
28.02.2018
GGU-RETAIN9.31 / 8.69
  • Bugfix: Bending stiffness of soldier pile wall and contiguous pile wall for bedded system and 'Subgrade on continuous wall' check box deactivated.
21.12.2017
GGU-RETAIN9.30
  • Always design anchors for DS-P. Surcharge now also for grout body design.
 
13.12.2017
GGU-RETAIN9.29.25
  • Reinforced concrete: Adopted BSt 550 rebar steel compliant with ÖNORM.
  • Bugfix: Constrained slip surfaces and area surcharges.
11.12.2017
GGU-RETAIN9.27
  • Investigation of constrained slip surfaces compliant with DIN 4085 via Culmann implemented.
 
05.12.2017
GGU-RETAIN9.26
  • Bugfix: Analysis of vertical capacity after method 1: EAU Figure E 4-3 (left)
 
01.12.2017
GGU-RETAIN9.25
  • New profildata Arcelor
28.11.2017
GGU-RETAIN9.24
  • Update show slip surface angle
  • shear design EC 3 optimised
 
07.11.2017
GGU-RETAIN9.23
  • Show slip surface angle
 
07.11.2017
GGU-RETAIN9.22
  • Bugfix: "Always design anchors for DS-P". Increase now performed for anchor steel design only.
 
27.10.2017
GGU-RETAIN9.21
  • Bugfix: Analysis of mobilised passive earth pressure: Units now kN/m
  • Renaming of passive earth pressure 'DIN 4085:1987' to 'DIN 4085:2011 planar slip surfaces'. Now also as default specification.
 
25.09.2017
GGU-RETAIN9.20
  • product management
 
14.07.2017
GGU-RETAIN9.19
  • Bugfix Corrosion: Possible error for flange thickness eradicated.
 
10.07.2017
GGU-RETAIN9.18
  • Analysis of concrete infill and unreinforced piles now also with concrete qualities.
 
04.07.2017
GGU-RETAIN9.17
  • Output table improved for user-defined section data.
 
27.06.2017
GGU-RETAIN9.16
  • Bored pile wall analysis completely revised.
  • 'Simulate corrosion' and 'Weld plates' considerably improved.
  • Bugfix: Negative wall inclination and steep active berms.
 
20.06.2017
GGU-RETAIN9.14
  • Bored pile wall: 'Unreinforced pile normal forces via qb,k+qs,k' check box implemented
 
30.05.2017
GGU-RETAIN9.13
  • Bugfix: Sheet pile wall: Weld plates
  • Warning passive earth pressure calibration factor incorporated in active earth pressure (R 22)
  • Sheet pile wall: Weld plates inside
  • "Always design anchors for DS-P" check box activated: "Deep-seated stability analysis"
  • Culmann: "Eph increasing non-monotone" revised
 
18.05.2017
GGU-RETAIN9.12 / 8.67
  • Bugfix: Displacements output table.
  • Bugfix: Vertical capacity of sheet pile wall.
 
30.04.2017
GGU-RETAIN9.11 / 8.66
  • Bugfix: Visualisation of differential water pressure beneath excavation base for soldier pile wall and contiguous wall and 'Classical water pressure approach' if groundwater levels are different. Different groundwater levels are not normally possible.
 
25.04.2017
GGU-RETAIN9.10 / 8.65
  • Bugfix: Corrosion of II and ][ sections and combined sheet pile walls.
 
18.04.2017
GGU-RETAIN9.09
  • Bugfix: Differentiate Culmann and active and passive soil properties
 
10.04.2017
GGU-RETAIN9.09
  • product management
 
04.04.2017
GGU-RETAIN9.07
  • Bugfix Culmann: Active earth pressure and passive earth pressure and berms and several layers in the berm area.
13.03.2017
GGU-RETAIN9.06 / 8.64
  • Bugfix EC 2: Shear reinforcement circle for cross sections with nominal reinforcement
  • Bugfix Culmann passive side: groundwater level ground side > excavation base
07.03.2017
GGU-RETAIN9.06
  • 'Weld on plates' implemented.
  • R 102: Output table improved.
  • Culmann passive side: Now also with angle of inclination of passive earth pressure wedge up to -45°. Important in downward sloping passive berms.
  • Vertical capacity Procedure 1 in bedded systems.
  • 3 new Arcelor sections: GU 10N, GU 11N and GU 12N
  • EC2 analysis with individual sections improved.
07.03.2017
GGU-RETAIN9.05 / 8.63
  • bugfix: EB 102: section length automatic
23.11.2016
GGU-RETAIN9.05
  • EB102: output table improved
  • Buoyancy + Hydraulic heave: output improved
22.11.2016
GGU-RETAIN9.03 / 8.62
  • Bugfix: Factor for active earth pressure <> 1.0 and sum V analysis
08.11.2016
GGU-RETAIN9.02 / 8.61
  • Bugfix EC2: No shear force reduction after Weißenbach in bedded systems.
17.10.2016
GGU-RETAIN9.01 / 8.60
  • product management
11.10.2016
GGU-RETAIN9.00
  • Earth pressure calculation after Culmann implemented.
19.09.2016
GGU-RETAIN8.58
  • product management
16.08.2016
GGU-RETAIN8.56
  • Bugfix: EB 102: Calculation of Bh,k and Bh,d
27.06.2016
GGU-RETAIN8.55
  • Bugfix: Three-dimensional effect of passive ep to DIN 4085 and downward sloping passive berms
16.06.2016
GGU-RETAIN8.53
  • Bugfix: design unreinforced piles
31.05.2016
GGU-RETAIN7.108
  • product management
25.05.2016
GGU-RETAIN8.52 / 7.107
  • Bugfix: Bored pile shear design for small moment.
24.05.2016
GGU-RETAIN8.51
  • Deep-seated stability analysis: Intersection with wall can be entered.
11.05.2016
GGU-RETAIN8.51 / 7.106
  • Bugfix: Bored pile shear design
10.05.2016
GGU-RETAIN8.50
  • 'Differentiate active + passive soil properties'. Variable soil colouring on active and passive side is now possible.
03.05.2016
GGU-RETAIN8.49
  • Export function to GGU-STABILITY improved.
30.03.2016
GGU-RETAIN8.48 / 7.105
  • Bugfix: Strut force as a result of water pressure for predeformations or displacement boundary conditions <> 0.0.
18.03.2016
GGU-RETAIN8.48
  • 'Use anchor-strut spacing' implemented.
18.03.2016
GGU-RETAIN8.46 / 7.104
  • Bugfix: Bounded surcharges (active side) with negative surcharge load
  • Bugfix: Double-bounded surcharges (also see current manual)
24.02.2016
GGU-RETAIN8.46
  • EC 2 concrete design: Shear stress: VRd,c is calculated and output.
  • Heave FOS: Designations adapted to EC 7.
  • Active berms and at-rest pressure: Berm gradient too steep warning
24.02.2016
GGU-RETAIN8.44
  • product management
09.02.2016
GGU-RETAIN7.103
  • Bugfix: Reinforced concrete design: d1 is now shown again.
04.02.2016
GGU-RETAIN8.43 / 7.102
  • Bugfix: Shear reinforcement for small moment and small normal force.
29.01.2016
GGU-RETAIN8.42
  • Analysis of vertical forces: A wall friction angle of '0' can be automatically adopted for at-rest earth pressure. This is appropriately reduced for increased earth pressure.
  • Length surcharge via equation: The influence of active berms can be turned off.
12.01.2016
GGU-RETAIN8.41 /7.101
  • Bugfix: At-rest earth pressure and wall friction
09.12.2015
GGU-RETAIN8.41
  • New partial safety factors for Hydraulic heave to DIN 1054/A2:2015-11
07.12.2015
GGU-RETAIN8.40 / 7.100
  • Bugfix: Active berms and at-rest earth pressure
01.12.2015
GGU-RETAIN8.39 / 7.99
  • Vertical capacity in bedded systems and 'Method 1' (EAU) now with Bv,d
23.11.2015
GGU-RETAIN8.38
  • Bugfix: Vertical capacity and diaphragm wall
  • New ThyssenKrupp sheet pile wall sections included in database.
  • Distance between double U can be modified.
17.11.2015
GGU-RETAIN7.98
  • Bugfix: Vertical capacity and diaphragm wall
17.11.2015
GGU-RETAIN8.37
  • New Arcelor section data
21.10.2015
GGU-RETAIN8.36
  • Bugfix: Active berms and at-rest earth pressure
  • Concrete design EC 2: Partial safety factors for concrete and steel can be altered.
02.10.2015
GGU-RETAIN7.97
  • Bugfix: Active berms and at-rest earth pressure
02.10.2015
GGU-RETAIN8.34
  • product management
14.08.2015
GGU-RETAIN8.33 / 7.96
  • Bugfix: Output table for EC 3 and user-defined section data
28.07.2015
GGU-RETAIN8.33
  • Reduction of design shear force by 50% after Weißenbach now performed or all depths below the lowest shear force transition point.
28.07.2015
GGU-RETAIN8.32 / 7.95
  • Bugfix: Heave of anchor soil and area loads
17.07.2015
GGU-RETAIN8.32
  • Always design anchors/struts using DS-P. With at-rest pressure or increased active earth pressure
17.07.2015
GGU-RETAIN8.31
  • Stability analysis criterion to EC 3 using either N,Ed/Ncr <= 0.04 or N,Ed/Ncr <= 0.10
03.06.2015
GGU-RETAIN8.30
  • Stability analysis to EC 3
  • Improved shear force analysis to EC 2 for minimum bending reinforcement
22.05.2015
GGU-RETAIN8.29 / 7.94
  • Bugfix: EC3 buckling stress curves for sheet pile walls and combined sheet pile walls
  • Bugfix: Inclined wall and passive earth pressure
07.05.2015
GGU-RETAIN8.28 / 7.93
  • Bugfix Analysis of vertical capacity: Fixed section length is larger than length for full fixity.
  • Bugfix: Area loads with increased active earth pressure and active earth pressure for area loads and increased earth pressure or at-rest earth pressure for the remainder.
28.04.2015
GGU-RETAIN8.27 b
  • 'Always design anchors/struts for DS-P' no longer for analysis of vertical capacity.
 
15.04.2015
GGU-RETAIN8.27
  • Bugfix: Anchor force from water pressure, if gamma(G) <> gamma(W)
  • Design situation text
09.04.2015
GGU-RETAIN8.24 / 7.92
  • Bugfix: Sheet pile wall and user-defined section data: fy,red Cl. 4 -> Cl. 3
  • Bugfix: Analysis of anchor soil with active berms
 
11.03.2015
GGU-RETAIN8.24
  • Analysis of anchor soil now also with passive earth pressure from area loads, permanent distributed loads, bounded and double-bounded surcharges.
11.03.2015
GGU-RETAIN8.23
  • Bugfix: Combined sheet pile wall with individual sections: fy,red (Class 4)
26.02.2015
GGU-RETAIN8.22
  • 3 additional redistribution figures for area loads
13.02.2015
GGU-RETAIN8.21 / 7.91
  • Bugfix: Determination of max. load on infill for soldier pile walls and subgrade on non-continuous wall.
10.02.2015
GGU-RETAIN8.20 / 7.90
  • Bugfix: Heave FOS to R 99 of EAB
06.02.2015
GGU-RETAIN8.19 / 7.89
  • Bugfix: Bedded soldier pile wall and subgrade on pile width
  • Wall inclination can be taken into account.
  • CMG wall: Analysis of vertical capacity now as for diaphragm wall
  • Area load at-rest earth pressure: Now also with increase in active earth pressure by the factor k0/kah. For increased active earth pressure the increase is performed using: [(1
  • f) · kah + f · k0]/kah.
  • Three-dimensional effect of passive earth pressure now also to DIN 4085
12.01.2015
GGU-RETAIN8.18
  • EC3 and Soldier pile wall legend: Now with visualisation of soldier pile spacing again
17.12.2014
GGU-RETAIN8.17
  • product management
10.12.2014
GGU-RETAIN7.88 / 8.16
  • Bugfix: Analysis of deep-seated stability and active berms
  • Bugfix: Increased earth pressure and calculation of design value of anchor forces
14.11.2014
GGU-RETAIN8.13
  • Reinforced concrete design to EC2 completely revised.
  • Query for minimum longitudinal reinforcement can be turned off.
27.10.2014
GGU-RETAIN8.11 / 7.87
  • Bugfix: Reinforced concrete design to EC2
06.10.2014
GGU-RETAIN8.10
  • Bugfix: User-defined active earth pressure coefficients for at-rest earth pressure or increased active earth pressure or for subgrade and analysis compliant with R 102
02.10.2014
GGU-RETAIN7.85 / 8.09
  • Bugfix: Analysis of vertical capacity for driven girders nd extension below TF > 0.0
08.09.2014
GGU-RETAIN8.08
  • Sum V analysis improved.
25.08.2014
GGU-RETAIN7.84 / 8.07
  • Bugfix: Sheet pile wall design EC 3 (M,V,N interaction)
15.08.2014
GGU-RETAIN8.06
  • Shear force reduction to 50 % after Weißenbach now also for diaphragm wall and bored pile wall.
14.08.2014
GGU-RETAIN7.83 / 8.05
  • Product Management
19.06.2014
GGU-RETAIN7.82
  • Bugfix: Analysis of vertical capacity for soldier pile walls with concreted toe.
  • Bugfix: Analysis of vertical capacity for soldier pile walls, contiguous walls and cast-in-place concrete walls if extended below TF > 0.0.
16.06.2014
GGU-RETAIN8.04
  • 2nd order theory: In the the parabolic predeformation region the value of the predeformation can now be doubled.
  • Bugfix: Analysis of vertical capacity for soldier pile walls with concreted toe.
  • Bugfix: Analysis of vertical capacity for soldier pile walls, contiguous walls and cast-in-place concrete walls if extended below TF > 0.0.
12.06.2014
GGU-RETAIN8.03
  • Compaction earth pressure implemented.
30.05.2014
GGU-RETAIN8.02
  • Bugfix: Length surcharge via equation and active berms
15.05.2014
GGU-RETAIN7.81
  • Bugfix: Length surcharge via equation and active berms
14.05.2014
GGU-RETAIN8.01
  • Bored pile wall: If the unreinforced piles can transfer their self weight via end resistance and skin friction, the self weight of the unreinforced piles can be ignored for the analysis.
14.05.2014
GGU-RETAIN7.80
  • Bugfix: 2nd order theory and DIN EN 1993-1-1: analysis now with gamma,M1.
07.05.2014
GGU-RETAIN8.00
  • new programm version
07.05.2014
GGU-RETAIN7.79
  • Bugfix: Combined sheet pile wall: determination of EI and EF
  • Bugfix: User-defined section data (EC 3): soldier pile and Combined sheet pile wall: determination of EI and EF
25.04.2014
GGU-RETAIN7.78
  • Product Management
15.04.2014
GGU-RETAIN7.76
  • Deep-seated stability analysis now also with increased earth pressure/at-rest pressure
14.03.2014
GGU-RETAIN7.75
  • Bugfix: Blum's method: Fixed section length and minimum embedment depth to EAU activated.
19.02.2014
GGU-RETAIN7.74
  • Analysis with subgrade: Bh,d and Eph,d now also to the wall toe.
  • Reinforcement distribution (bored pile wall and contiguous wall) can be given in output table.
  • Reinforced concrete analysis now with design situations max M, max Q and max N.
  • Analysis of sum H now optionally detailed in graphics.
  • Bugfix: Soldier pile wall and contiguous wall with subgrade: Analysis of Bh,d and Eph,d: Eph,d is multiplied by the pile width.
06.02.2014
GGU-RETAIN7.73
  • Translation improved.
17.01.2014
GGU-RETAIN7.72
  • EC 3 for soldier pile walls and combined sheet pile walls Simplified buckling analysis can be turned off.
16.12.2013
GGU-RETAIN7.70
  • Bugfix: Output of strut forces resulting from water pressure.
  • Bugfix: Vertikale Tragfähigkeit, "Verfahren 2 und Verlängerung unter TF > 0.0"
  • Note for systems using struts below the excavation base and Blum's method.
  • Opening from and saving to network storage media accelerated.
11.12.2013
GGU-RETAIN7.71
  • Bugfix: EC 3 for soldier pile walls and combined sheet pile walls Simplified buckling analysis now with moment loading.
11.12.2013
GGU-RETAIN7.68
  • Bugfix: Shear reinforcement to EC 2/DIN 1045-1
  • Partial factors to ÖNORM EN 1997-1 implemented.
16.11.2013
GGU-RETAIN7.67
  • Bugfix: Buckling length analysis for combined sheet pile walls
04.11.2013
GGU-RETAIN7.66
  • Sheet pile walls, soldier pile walls and combined sheet pile walls now also work with user-defined section data.
16.10.2013
GGU-RETAIN7.65
  • Bugfix: Determination of anchor and strut design values with prestressing and check box 'Always design ... for DS-P' activated.
  • Hoesch and Peiner Träger combined sheet pile walls added compliant with manufacturer's data.
23.09.2013
GGU-RETAIN7.64
  • Bugfix: Analysis of mob. Ep and vertical capacity for soldier pile walls and contiguous walls.
  • Analysis method in accordance with EAU Figure R 4-3 (right) extended.
  • Analysis of mob. Ep: Precise approach for soldier pile walls and contiguous walls implemented.
04.09.2013
GGU-RETAIN7.63
  • Analysis of vertical capacity now also possible with user-defined values.
28.08.2013
GGU-RETAIN7.62
  • Sheet pile wall design: Shear force reduction to 50% implemented.
  • Analysis of vertical capacity of sheet pile wall: Analysis method in accordance with EAU Figure R 4-3 (right) implemented.
  • Bugfix: EC 3: fyk,red for Cl. 4 ==> Cl. 3 for soldier piles and combined sheet pile walls.
12.08.2013
GGU-RETAIN7.61
  • Combined sheet pile wall: Buckling analysis can be deactivated.
  • Soldier pile wall design: Reduction of shear force to 50%.
  • Reduction of shear force to 50% can be deactivated.
  • Bugfix: EC 3: numerical imprecision in analysis eradicated for fyk,red for Class 4 ==> Class 3 for soldier piles and combined sheet pile walls.
05.08.2013
GGU-RETAIN7.60
  • Combined sheet pile wall design: 'Shear force reduced to 50%' improved.
30.07.2013
GGU-RETAIN7.59
  • Bored pile wall internal forces output now also per pile
  • Bugfix: Lateral pressures and old standard
 
22.07.2013
GGU-RETAIN7.58
  • Combined sheet pile wall design: shear force reduction to R 86.
  • Bugfix: Output of potentials in the output table for absolute elevations.
19.06.2013
GGU-RETAIN7.57
  • Product management
  • Design of combined sheet pile wall and soldier pile wall optimised.
 
13.06.2013
GGU-RETAIN7.55
  • Bugfix sheet pile wall: 2nd order theory and double sections and el.-pl. design
 
14.05.2013
GGU-RETAIN7.55
  • Unreinforced concrete (CMG wall): Maximum earth pressure can now also be determined to base of section.
 
13.05.2013
GGU-RETAIN7.54
  • General legend: File name is now shown again.
 
23.04.2013
GGU-RETAIN7.52
  • Bugfix: Incorrect earthquake message
  • Bugfix: Soldier pile wall design to EC 3
 
25.03.2013
GGU-RETAIN7.52 b
  • Soldier pile wall design to EC 3: No buckling analysis to EC 3, if analysis uses 2nd order theory.
  • Combined sheet pile wall: Interlock section modulus and interlock yield point with subsequent design
 
25.03.2013
GGU-RETAIN7.53
  • Simplified shear crimping analysis via reduction in yield point
  • Combined sheet pile wall: test phase ended.
 
25.03.2013
GGU-RETAIN7.51
  • Vertical capacity (sheet pile wall): Skin friction between TF and UK section taken into consideration.
 
25.02.2013
GGU-RETAIN7.51 b
  • Bugfix: Vertical capacity: R,S2,d now design value
 
25.02.2013
GGU-RETAIN7.50 / 6.29
  • Bugfix: Soldier pile wall analysis to old standard
 
24.01.2013
GGU-RETAIN7.50
  • Vertical capacity to EAU 2012, EAB 2012 and EAP 2012 implemented.
  • Combined sheet pile wall (test phase) implemented. Iteration of 'free earth support' optimised.
 
24.01.2013
GGU-RETAIN7.46 / 6.28
  • Bugfix for sheet pile walls to EC3: reduction of moment of inertia now using beta,D
 
11.01.2013
GGU-RETAIN7.46
  • Soldier pile wall and contiguous pile wall with subgrade:Subgrade was previously adopted for the continuous wall.The subgrade can now also be adopted for the girder width.
  • State variables for soldier pile wall and contiguous pile wall now also in M [kN·m] and Q, N in [kN]
 
11.01.2013
GGU-RETAIN7.45
  • Bugfix: When designing sheet pile walls to EC 3 the moment of resistance is reduced in certain situations (e.g. single pile) using beta,B. This reduction is now also performed for the moment of inertia. This also affects the displacements.
 
20.12.2012
GGU-RETAIN7.44 / 6.27
  • Program update
 
17.12.2012
GGU-RETAIN7.44
  • Flow below base implemented.
 
17.12.2012
GGU-RETAIN7.43
  • Reinforcement distribution without minimum reinforcement
 
28.11.2012
GGU-RETAIN7.42 / 6.26
  • Bugfix: Earth pressure calculation with active berms and high groundwater table and downward sloping berms.
 
22.11.2012
GGU-RETAIN7.41
  • Steel design to EC 3-5:Search criterion: "Find smallest section area" implemented.
 
07.11.2012
GGU-RETAIN7.39
  • Seismic effects implemented to EC 8.
 
18.10.2012
GGU-RETAIN7.38
  • Bugfix: Corrosion of sheet pile walls
 
10.10.2012
GGU-RETAIN7.37
  • Reinforcement distribution (diaphragm wall) can be given in output table.
  • Corrosion of sheet pile walls and soldier piles can now be simulated.
 
26.09.2012
GGU-RETAIN7.35
  • Export anchors as injection piles to GGU-STABILITY.
 
13.09.2012
GGU-RETAIN7.36
  • Anchors may always be designed for DS-P or LC 1.
 
13.09.2012
GGU-RETAIN7.34
  • Bugfix: EC 3, for number of anchors >= 3 and U sections
  • Bugfix: EC 3, determination of max µ, if shear crimping analysis must be performed.
 
30.08.2012
GGU-RETAIN7.33
  • Bug fix: EC 3 buckling length analysis for free earth support or partial embedment
 
23.08.2012
GGU-RETAIN7.32
  • Program updated to EC 3
 
25.07.2012
GGU-RETAIN7.31
  • EC 3: Retaining wall legend substantially improved.
 
19.07.2012
GGU-RETAIN7.30
  • Steel design to EC 3 implemented.
 
18.07.2012
GGU-RETAIN7.17 / 6.25
  • Bugfix: Visualisation of water pressure as a result of lateral pressures.
 
16.07.2012
GGU-RETAIN7.20
  • Sheet pile wall design to EC 3-5 implemented.
  • Bored pile wall: Unreinforced pile design implemented.
 
16.07.2012
GGU-RETAIN7.16 / 6.24
  • Bugfix: EP calculation with several active berms higher than top of wall.
 
08.06.2012
GGU-RETAIN7.15
  • Product management
 
24.04.2012
GGU-RETAIN7.14 / 6.23
  • Generate triangular load from stepped loads.
 
12.03.2012
GGU-RETAIN7.14 b / 6.23 b
  • Bugfix: Earth pressure analysis with active berms and high groundwater table or strata of highly variable bearing capacity at the top of the wal
 
12.03.2012
GGU-RETAIN7.13
  • Bugfix: Earth pressure redistribution with traffic area live loads and cohesion and 'Do not redistribute live loads'
 
24.02.2012
GGU-RETAIN6.22
  • Bugfix: Earth pressure redistribution with traffic area live loads and cohesion and 'Do not redistribute live loads'
 
24.02.2012
GGU-RETAIN5.30
  • Bugfix: Earth pressure redistribution with traffic area live loads and cohesion and 'Do not redistribute live loads'
 
24.02.2012
GGU-RETAIN4.71
  • Bugfix: Earth pressure redistribution with traffic area live loads and cohesion and 'Do not redistribute live loads'
 
24.02.2012
GGU-RETAIN7.12
  • Passive side distributed load now also in analysis of 'Sum H'
 
23.02.2012
GGU-RETAIN6.21
  • Passive side distributed load now also in analysis of 'Sum H'
 
23.02.2012
GGU-RETAIN5.29
  • Bugfix: Determination of design state variables for prestressed anchors.
 
01.02.2012
GGU-RETAIN6.20
  • Bugfix: Determination of design state variables for prestressed anchors.
 
01.02.2012
GGU-RETAIN7.11
  • Bugfix: Determination of design state variables for prestressed anchors.
 
01.02.2012
GGU-RETAIN7.11
  • Partial safety factors to Eurocode 7
 
16.01.2012
GGU-RETAIN7.10
  • CMG (cut-mix-grout) wall implemented.
 
15.12.2011
GGU-RETAIN6.18
  • Bugfix: Calculation of self-weight of bored pile wall
  • Bugfix: Sheet pile wall design using user-defined section data and sigma = N/A + (w * N + M)/W. w is now characteristic.
 
04.11.2011
GGU-RETAIN5.28
  • Bugfix: Calculation of self-weight of bored pile wall
  • Bugfix: Sheet pile wall design using user-defined section data and sigma = N/A + (w * N + M)/W. w is now characteristic.
 
04.11.2011
GGU-RETAIN4.70
  • Bugfix: Calculation of self-weight of bored pile wall
  • Bugfix: Sheet pile wall design using user-defined section data and sigma = N/A + (w * N + M)/W. w is now characteristic.
 
04.11.2011
GGU-RETAIN3.31
  • Bugfix: Calculation of self-weight of bored pile wall
  • Bugfix: Sheet pile wall design using user-defined section data and sigma = N/A + (w * N + M)/W. w is now characteristic.
 
04.11.2011
GGU-RETAIN6.17
  • Bugfix: File name output with pre deformations if the name contains the character string '/2'.
 
12.10.2011
GGU-RETAIN6.16
  • Subsurface hydraulics printout improved.
  • Sheet pile wall sections adapted to current terms of supply and delivery.
  • Arcelor's sheet pile wall sections with large and small moments of inertia added.
 
27.07.2011
GGU-RETAIN6.14
  • Now possible to export area loads from horizontal loading to GGU-STABILITY (V 9.31) as horizontal line load.
 
27.06.2011
GGU-RETAIN6.13
  • Bugfix: Concrete shear design for minor bending
 
23.06.2011
GGU-RETAIN6.11
  • In accordance with EAB 4th edition, 3.4, Paragraph 4, the equivalent earth pressure coefficient can now be applied to permanent loads only.
 
08.04.2011
GGU-RETAIN6.10
  • Bugfix: Concrete infill designations
 
11.03.2011
GGU-RETAIN6.09
  • Reinforced concrete design for bored pile wall: Normal force can now also be determined with half the bored pile spacing.
 
03.03.2011
GGU-RETAIN6.07
  • Bugfix: Open/Save dialog box in Vista and Windows 7.
 
23.02.2011
GGU-RETAIN6.08
  • Bugfix: Sum V verification for inclined struts
  • Bugfix: Waling verification for struts
 
21.02.2011
GGU-RETAIN5.27
  • Bugfix: Sum V verification for inclined struts
  • Bugfix: Waling verification for struts
 
21.02.2011
GGU-RETAIN4.69
  • Bugfix: Sum V verification for inclined struts
  • Bugfix: Waling verification for struts
 
21.02.2011
GGU-RETAIN6.06
  • Output table: If the stability of sheet pile walls, etc. under permanent loads cannot be demonstrated, the state variables for the g,d load case were given. Now the maximum values for the overall loads (d) are always given.
 
03.02.2011
GGU-RETAIN6.04
  • Sheet pile wall and soldier pile section list: Lists can now be appended and double sections can be deleted.
 
28.01.2011
GGU-RETAIN6.05
  • Bugfix: Sign of prestressed struts (Enter positive values for anchors and struts)
 
19.01.2011
GGU-RETAIN5.26
  • Bugfix: Sign of prestressed struts (Enter positive values for anchors and struts)
 
19.01.2011
GGU-RETAIN4.68
  • Bugfix: Sign of prestressed struts (Enter positive values for anchors and struts)
 
19.01.2011
GGU-RETAIN6.03
  • The absolute value is not longer adopted for detailed analysis of compression anchors and tension struts.
 
10.01.2011
GGU-RETAIN6.0
  • Lateral pressures for passive earth pressure implemented.
  • Buckling analysis to DIN EN 1993-1-1 implemented
16.10.2010
GGU-RETAIN5.25
  • Bugfix: Analysis of Sum H and bedded system:Support Bh,d is determined from positive subgrade.
 
13.09.2010
GGU-RETAIN4.67
  • Bugfix Nachweis Summe H und Gebettetes System:Support Bh,d is determined from positive subgrade.
 
13.09.2010
GGU-RETAIN5.24
  • Section length and embedment depth in legend.
 
20.08.2010
GGU-RETAIN5.24
  • Bugfix new standard: Anchor force design value for prestressed anchors.
 
20.08.2010
GGU-RETAIN4.66
  • Bugfix new standard: Anchor force design value for prestressed anchors.
 
20.08.2010
GGU-RETAIN5.23
  • Anchor labelling improved.
 
09.07.2010
GGU-RETAIN4.65
  • Analysis of Sum H: Passive earth pressure can now be computed to EAB R 15 without calibration factor.
 
21.06.2010
GGU-RETAIN4.65
  • Bugfix: Analysis of Sum H and subgrade support for calibration factors for passive earth pressure <> 1.0.
16.06.2010
GGU-RETAIN5.21
  • Bugfix: Analysis of Sum H and subgrade support for calibration factors for passive earth pressure <> 1.0.
 
14.06.2010
GGU-RETAIN5.21
  • Analysis of Sum H: Passive earth pressure can now be computed to EAB R 15 without calibration factor.
 
14.06.2010
GGU-RETAIN5.20
  • Heave FOS verification for elevated area loads improved.
 
03.06.2010
GGU-RETAIN5.19
  • Bugfix for active and passive berms: numerical problems for differences in x values < 0.003 m rectified.
 
20.04.2010
GGU-RETAIN4.64
  • Bugfix for active and passive berms: numerical problems for differences in x values < 0.003 m rectified.
 
20.04.2010
GGU-RETAIN3.30
  • Bugfix for active and passive berms: numerical problems for differences in x values < 0.003 m rectified.
 
20.04.2010
GGU-RETAIN5.18
  • Verification of 'Sum V' if at-rest earth pressure for area loads is activated.
 
24.03.2010
GGU-RETAIN4.63
  • Verification of 'Sum V' if at-rest earth pressure for area loads is activated.
 
24.03.2010
GGU-RETAIN3.29
  • Verification of 'Sum V' if at-rest earth pressure for area loads is activated.
 
24.03.2010
GGU-RETAIN5.17
  • Soil designations can be displayed in the main graphics.Export function to GGU-STABILITY improved.
 
19.03.2010
GGU-RETAIN5.15
  • Mini-CAD Version 7.10
 
15.03.2010
GGU-RETAIN5.16
  • Mini-CAD Version 7.10
 
15.03.2010
GGU-RETAIN5.14
  • Undo function implemented.
 
27.01.2010
GGU-RETAIN4.61
  • Analysis of earth pressure for passive and active berms with highly variable unit weights in the berm region.
 
16.12.2009
GGU-RETAIN5.11
  • Analysis of earth pressure for passive and active berms with highly variable unit weights in the berm region.
 
16.12.2009
GGU-RETAIN5.11
  • New Features
 
16.12.2009
GGU-RETAIN4.62
  • Bugfixes
 
16.12.2009
GGU-RETAIN4.62
  • Bored pile shear reinforcement no longer on equal-area square.
 
16.12.2009
GGU-RETAIN5.12
  • Bugfixes
 
16.12.2009
GGU-RETAIN5.12
  • Bored pile shear reinforcement no longer on equal-area square.
 
16.12.2009
GGU-RETAIN5.09
  • Excavation can now also be displayed on the 'right'.
 
25.11.2009
GGU-RETAIN5.08
  • Bugfixes
 
23.10.2009
GGU-RETAIN4.60
  • Bugfixes
 
23.10.2009
GGU-RETAIN4.59
  • Deep-seated stability of soldier pile walls and free interlock piling
 
07.10.2009
GGU-RETAIN5.07
  • Deep-seated stability of soldier pile walls and free interlock piling
 
07.10.2009
GGU-RETAIN5.07
  • Modulus of subgrade reaction can now also be entered in MN/m³
 
07.10.2009
GGU-RETAIN5.05
  • ‘Moment due to gamma(Ep,red) at full lengthÂ’ check box for high degree of fixity
 
15.07.2009
GGU-RETAIN5.04
  • Calculation of kpch to DIN 4085(new)
 
27.05.2009
GGU-RETAIN4.57
  • Calculation of kpch to DIN 4085(new)
 
27.05.2009
GGU-RETAIN5.03
  • Legend output corrected for free toe
 
03.03.2009
GGU-RETAIN4.56
  • Legend output corrected for free toe
 
03.03.2009
GGU-RETAIN5.02
  • Sum V verification
 
02.12.2008
GGU-RETAIN4.55
  • Sum V verification
 
02.12.2008
GGU-RETAIN5.01
  • New partial factor to DIN 1054 Corrigendum 4 (Oct 2008)
 
29.10.2008
GGU-RETAIN5.0
    New Features and Bugfixes
23.09.2008
GGU-RETAIN4.54
  • Log output improved
 
04.09.2008
GGU-RETAIN4.53
  • new standard: Sum V analysis and 'Redistribute area loads' check box activated.
 
05.06.2008
GGU-RETAIN4.52
  • Verification of sum V
 
09.05.2008
GGU-RETAIN4.51b
  • Verification of sum V: Upwardly acting components from traffic are taken into consideration.
 
18.04.2008
GGU-RETAIN4.51a
  • New partial safety factors according to DIN 1054 Corrigenda 3 (Jan 2008)
 
18.04.2008
GGU-RETAIN4.50
  • Crack width verification bugfix: analysis of diaphragm wall reinforcement
 
20.11.2007
GGU-RETAIN3.28 / 4.47 a
  • Double-bounded loads implemented.
 
24.09.2007
GGU-RETAIN3.28 / 4.47 b
  • Crack width verification for rectangular sections to DIN 1045-1 implemented.
 
24.09.2007
GGU-RETAIN3.28 / 4.47 c
  • Graphical table output with struts.
 
24.09.2007
GGU-RETAIN3.28 / 4.47 d
  • "Deep-seated stability" if active berm present.
 
24.09.2007
GGU-RETAIN4.46 a
  • Crack width verification for circular sections to DIN 1045-1 implemented.
 
13.07.2007
GGU-RETAIN4.46 b
  • Pressure diagrams to EAB 2006 implemented.
 
13.07.2007
GGU-RETAIN4.45 a
  • Displacements and state variables, etc. now with common designations (adjustable)
 
20.06.2007
GGU-RETAIN4.45 b
  • Additional length via equation: kpch now no longer reduced by a factor of "2".
 
20.06.2007
GGU-RETAIN4.45 c
  • Lateral pressures can now be displayed on an analysed system.
 
20.06.2007
GGU-RETAIN4.45 d
  • permanent action BCs are now dealt with correctly in verification of Sum V.
 
20.06.2007
GGU-RETAIN4.45 e
  • For fixed section length and minor layering below the wall toe the hydraulic heave safety is now calculated correctly.
 
20.06.2007
GGU-RETAIN4.44 a
  • New standard: partial safety factors EQU: Corrigenda to DIN 1054:2005-01 implemented.
 
01.06.2007
GGU-RETAIN4.44 b
  • permanent action BCs are now dealt with correctly in verification of Sum V.
 
01.06.2007
GGU-RETAIN4.43 a
  • Area load and bounded surcharge propagation angle for several layers with differing friction angles.
 
11.05.2007
GGU-RETAIN4.43 b
  • Export to GGU-STABILITY (new standard)
 
11.05.2007
GGU-RETAIN4.40 a
  • Verification of driving depth surcharge overhauled.
 
13.04.2007
GGU-RETAIN4.40 b
  • Point loads, parallel input of G and Q now possible.
 
13.04.2007
GGU-RETAIN4.40 c
  • Graphics labelling of "Loads (bounded)" improved.
 
13.04.2007
GGU-RETAIN4.40 d
  • Export to GGU-STABILITY Version 8.06 and higher
 
13.04.2007
GGU-RETAIN4.40 e
  • Anchors increased by 15%.
 
13.04.2007
GGU-RETAIN4.40 f
  • Equivalent EP coefficient via phi now also with 45°
 
13.04.2007
GGU-RETAIN4.41
  • Input of more than 6 anchors'
 
13.04.2007
GGU-RETAIN4.39
  • Export to GGU-STABILITY Version 8.06 or higher implemented
 
07.03.2007
GGU-RETAIN4.38
  • Bugfix: Verification of anchor soil possible w/o mean partial factors.
 
30.01.2007
GGU-RETAIN4.38 i
  • Bugfix: "Area loads rectangular on equivalent wall" check box in "Heave of anchor soil" is now no longer applied to the general earth pressure calculation. (bug since Version 4.37)
 
30.01.2007
GGU-RETAIN4.38 a
  • New standard: Output adjustment factor (passive earth pressure) in "General legend".
 
23.01.2007
GGU-RETAIN4.38 b
  • New standard: heave FOS implemented.
 
23.01.2007
GGU-RETAIN4.38 c
  • R 102 (EAB 2006) completely reworked.
 
23.01.2007
GGU-RETAIN4.38 d
  • Floor live loads and bounded live loads can now be redistributed.
 
23.01.2007
GGU-RETAIN4.38 e
  • Shear force transition points can be sent to output table.
 
23.01.2007
GGU-RETAIN4.38 f
  • Soils can now also be displayed with hatching.
 
23.01.2007
GGU-RETAIN4.38 g
  • Verification of injection pile pull-out resistance implemented.
 
23.01.2007
GGU-RETAIN4.37 a
  • Output table: rotation (toe) will be output.
 
16.10.2006
GGU-RETAIN4.37 b
  • Verification of deep-seated stability + anchor soil
 
16.10.2006
GGU-RETAIN4.37 c
  • Verificaton of anchor soil: now also possible w/o partial safety factors.
 
16.10.2006
GGU-RETAIN4.37 d
  • Length surcharge using equation: Not obligatory with EP coefficients after Streck.
 
16.10.2006
GGU-RETAIN4.36 a
  • Bugfix: Export to GGU-STABILITY: Unit weights now correct when exporting from systems with differing soil properties on the active and passive side.
 
28.08.2006
GGU-RETAIN4.35 a
  • New standard: Increase in anchor force now with earth pressure from live loads.
 
20.07.2006
GGU-RETAIN4.35 b
  • New standard: Verification of vertical load-bearing capacity optimised.
 
20.07.2006
GGU-RETAIN4.35 c
  • Bugfix: New standard: "Additional ordinate at 0.5 m spacing" and depth subdivisions > 0.10 and cohesion below base of excavation <> 0.0Calculation of theoretical embedment depth.
 
20.07.2006
GGU-RETAIN4.34 a
  • Verification "Aufbruch des Verankerungsbodens" implementiert.
 
03.07.2006
GGU-RETAIN4.34 b
  • Bugfix: "Deep-seated stability" Berechnung Earth pressure, wenn Schalter "Enter wall friction angle (equiv. wall) manually" activiert.
 
03.07.2006
GGU-RETAIN4.34 c
  • Bugfix: New standard: "Verification of sum H" (soldier pile walls) now with passive earth pressure design value.
 
03.07.2006
GGU-RETAIN4.32 b
  • Bugfix: Deep-seated stability for several anchors and phi = 0.0 in toe area.
 
11.05.2006
GGU-RETAIN4.33 a
  • Bugfix: Output table (graphical) with moment transition points
 
11.05.2006
GGU-RETAIN4.32 c
  • Bugfix: New standard: Iteration of degree of fixity for given wall length and Length surcharge using equation.
 
11.05.2006
GGU-RETAIN4.32 d
  • -Output table printing improved.-Export to GGU-STABILITY improved.
 
11.05.2006
GGU-RETAIN4.32 a
  • Bugfix: The equivalent ep coefficient was previously only checked at layer boundaries. This can now be specified for intervals of 0.5 m ("Editor 1" /"Active earth pressure").
 
05.05.2006
GGU-RETAIN4.31 a
  • New standard: Bugfix: Design force for anchors/struts now correct.
  • New standard: Labelling (anchors/struts) improved.
 
07.04.2006
GGU-RETAIN4.30 a
  • Bugfix: "Differentiate active + passive soil properties" activated and active berms defined: Analysis now with friction angle on the active side.
 
12.01.2006
GGU-RETAIN4.29 a
  • Displacement value output optimised.
 
03.12.2005
GGU-RETAIN4.29 b
  • Verification Deap-seated stability
 
03.12.2005
GGU-RETAIN4.29 c
  • Additional length using equation:Bounded live loads are now taken into consideration.Bugfix: Cohesion component is now multiplied by a faktor of "2.0".
 
03.12.2005
GGU-RETAIN4.28 a
  • Bugfix: Iteration for user-defined section length.
 
09.11.2005
GGU-RETAIN4.27 a
  • New standard: Printing of "active ep coordinates" optimised.
 
08.11.2005
GGU-RETAIN4.27 b
  • Printing of "Length multiplier via equation" now with cohesion.
 
08.11.2005
GGU-RETAIN4.26 a
  • New standard: Designation adapted.
 
01.11.2005
GGU-RETAIN4.25 a
  • Bugfix: New Standard: Prestressing of anchor/struts is now correctly considered.
 
10.10.2005
GGU-RETAIN4.24 a
  • If berms intersect groundwater automatic adaptation can be carried out.
 
29.09.2005
GGU-RETAIN4.24 b
  • For extremely active "berm constructions" with negative "delta.h", negative active earth pressure may ensue under certain conditions. This can now be suppressed using a check box ("Editor 1 / Active earth pressure").
 
29.09.2005
GGU-RETAIN4.23 a
  • Bugfix: Protocoll (new norm): Output "tau(D)" is now ok.
 
07.09.2005
GGU-RETAIN4.22 a
  • Bugfix: Deap-seated stability: Under certain geometric conditions the shear strength was not correctly determined in all joints.
 
31.08.2005
GGU-RETAIN3.22 a
  • Bugfix: Deap-seated stability: Under certain geometric conditions the shear strength was not correctly determined in all joints.
 
31.08.2005
GGU-RETAIN4.21 a
  • New standard: Bug fix: Surcharges (permanent / changeable) were swapped.
 
21.06.2005
GGU-RETAIN4.21 b
  • New standard: Bug fix: State variable (Q) output now correct.
 
21.06.2005
GGU-RETAIN4.20 a
  • New standard: Design with user-defined sections reworked.
 
29.05.2005
GGU-RETAIN4.20 b
  • New standard: Output table reworked.
 
29.05.2005
GGU-RETAIN4.20 c
  • Area of influence of area loads etc. and berms can be hidden.
 
29.05.2005
GGU-RETAIN4.20 d
  • New standard: Moment resulting from (Ep, red) can now be calculated with full length.
 
29.05.2005
GGU-RETAIN4.20 e
  • Iteration of fixity improved for fixed section length.
 
29.05.2005
GGU-RETAIN4.19 a
  • Bugfix: New standard: Displacement BCs with magnitude <> 0.0 and anchor deformations are now handled correctly.
 
21.05.2005
GGU-RETAIN4.19 b
  • New standard: Lateral pressures can now also be defined as water pressure.
 
21.05.2005
GGU-RETAIN4.18 a
  • Bugfix: New standard: Water pressure an the earth side is now correctly handled.
 
17.05.2005
GGU-RETAIN4.18 b
  • New standard: Water pressure on the earth side can be activated or deactivated.
 
17.05.2005
GGU-RETAIN4.18 c
  • Iteration precision improved for subgrade.
 
17.05.2005
GGU-RETAIN4.18 d
  • New standard: Greater printing variability.
 
17.05.2005
GGU-RETAIN4.18 e
  • New standard: Output of factors (passive earth pressure) for characteristic horizontal load.
 
17.05.2005
GGU-RETAIN3.21 a
  • Iteration precision improved for subgrade.
 
10.05.2005
GGU-RETAIN4.17 a
  • Percolation around wall can be subdued (analysis with flow conduit).
 
18.03.2005
GGU-RETAIN4.17 b
  • Input of potentials alternatively possible via water pressures.
 
18.03.2005
GGU-RETAIN4.17 c
  • Anchor force (earth pressure) can be increased.
 
18.03.2005
GGU-RETAIN4.17 d
  • Toe potential implemented in accordance with EAU 1990 R 115.
 
18.03.2005
GGU-RETAIN4.16 a
  • Bugfix: "General line loads" now works correctly again.
 
09.03.2005
GGU-RETAIN4.15 a
  • Bugfix: Action effects G(D) for subgrade are noe calculated.
 
16.02.2005
GGU-RETAIN4.15 b
  • Bugfix: Reinforced concrete design (bored piles, new standard) action effects are applied correctly.
 
16.02.2005
GGU-RETAIN4.14 a
  • Verify "Sum V" (new standard) revised.
 
08.02.2005
GGU-RETAIN4.14 b
  • Graphical representation of earth pressure (design values) can be turned of.
 
08.02.2005
GGU-RETAIN4.13 a
  • Redistribution to EAU: Position of top of redistribution can be defined.
 
21.01.2005
GGU-RETAIN4.12 a
  • Bugfix: Concrete design printout (new standards).
 
28.12.2004
GGU-RETAIN3.20 a
  • Bugfix: "Deep-seated stability" verification for berms.
 
28.12.2004
GGU-RETAIN4.11 a
  • Subgrade to R 102: Note for braced or anchored systems, if displacement at toe ist to soil side.
 
26.10.2004
GGU-RETAIN4.11 b
  • Subgrade to R 102: At-rest pressure now with GW level an soil side.
 
26.10.2004
GGU-RETAIN4.10 a
  • New standards implemented.
 
28.08.2004
GGU-RETAIN4.10 b
  • Length surcharge with cohesion.
 
28.08.2004
GGU-RETAIN4.10 c
  • Free earth support after Hettler.
 
28.08.2004
GGU-RETAIN4.10 d
  • Active berms: surcharges alternatively computable unsing bouded surcharges (global FOS only, always active for partial factors).
 
28.08.2004
GGU-RETAIN4.10 e
  • Passive ep to DIN 4085 (phi <= 35°) otherwise Caquot/Kerisel can be selected.
 
28.08.2004
GGU-RETAIN4.10 f
  • Editor 1 / "System preferences" instead of "Project identification".
 
28.08.2004
GGU-RETAIN4.10 g
  • Subgrade reaction can be adapted with eta(p) = 1.0.
 
28.08.2004
GGU-RETAIN4.10 h
  • EAU 2004
 
28.08.2004
GGU-RETAIN4.10 i
  • Subgrade to R 102.
 
28.08.2004
GGU-RETAIN4.04 a
  • Bugfix: "Deep-seated stability" verification for berms.
 
01.08.2004
GGU-RETAIN3.19 a
  • Bugfix: Prestressing force for prestressed struts.
 
12.02.2004
GGU-RETAIN4.03 a
  • Bugfix: Prestressing force for prestressed struts.
 
12.02.2004
GGU-RETAIN4.00 a
  • Output table implemented as graphic element.
 
01.08.2003
GGU-RETAIN4.02 b
  • Table output improved.
 
24.07.2003
GGU-RETAIN4.02 a
  • Equivalent ep coefficient printed in legend and output table.
 
24.07.2003
GGU-RETAIN4.01 a
  • Modulus of subgrade reaction legend implemented.
 
18.07.2003
GGU-RETAIN3.18 a
  • Bug in "Recalculate image coordinates" with Mini-CAD and absolute heights corrected.
 
11.09.2002
GGU-RETAIN3.17 a
  • For berm modelling with user-defined earth pressure coefficients and active berms, the program automatically switches to earth pressure coefficients in accordance with DIN 4085.
 
23.04.2002
GGU-RETAIN3.15 a
  • Sum H (soldier pile walls and bored pile walls) now with area loads.
 
05.11.2001
GGU-RETAIN3.14 a
  • Updatetd verification sum V.
 
24.10.2001
GGU-RETAIN3.14 b
  • Updated: Design legend.
 
24.10.2001
GGU-RETAIN3.13 a
  • Batch print implemented.
 
08.10.2001
GGU-RETAIN3.11 a
  • Struts can now be assigned a degree of fixity on the left-hand side.
06.01.2001
GGU-RETAIN3.10 a
  • In-situ concrete walls divided into diaphragm walls and secant pile walls.Inertia moment for secant pile walls now calculated automaticallyDiaphragm wall thickness and secant pile diameter and spacing are now entered in menu item "Editor 1 / Excavation".Therefore, list of "In-situ concrete walls" (Editor 2/In-situ concrete) is gone.Bored pile walls are analogous. The given secant pile width is solely for calculation of earth pressure after Weissenbach. The diameter of the secant pile can deviate. It is used for determination of the inertia moment and for dimensioning (input of secant pile diameter in menu item "Editor 2/Bored pile walls").
 
22.07.2000
GGU-RETAIN3.10 b
  • Graphic presentation of retaining wall as legend implemented.
 
22.07.2000
GGU-RETAIN3.00 a
  • Automatic iteration of profile length for free systems with a choice of additional iteration criteria:Maximum permissible wall crown displacement or maximum permissible wall crown torsion.Settings in menu item "System/Analyse" and then select button "Embedment depth via".Then activate the button "Profile length automatic and toe free".
 
01.06.2000
GGU-RETAIN2.13 a
  • With activated "Use absolute heights" switch the heights of soil layers etc. can, if wished, be fitted to a new wall crown height.
 
15.05.2000
GGU-RETAIN2.13 b
  • Weight of sheet pile wall presentable in dimensioning legend if wished.
 
15.05.2000
GGU-RETAIN2.12 a
  • Font preferences extended (menu item "Page/Font sizes").
 
10.04.2000
GGU-RETAIN2.04 a
  • gamma(f) and (gamma(r) < 10.0 kN/m³ now permissible.
 
14.09.1999

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