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C14: Concrete Retaining Wall Design

Ver. 3.1.01 2018/10/16
  • Range check error fixed.
Ver. 3.1.00 2018/09/28
  • Version 3.1 released.
Ver. 3.0.10 2018/05/02
  • Corrected shear key passive pressure calculations.
Ver. 3.0.09 2018/03/29
  • Corrected File Menu icons. Extended quick access toolbar.
  • Corrected status bar showing default code instead of set code.
Ver. 3.0.08 2018/03/02
  • Implemented Ribbon interface.
Ver. 3.0.07 2018/02/05
  • Corrected compression reinforcement message occuring when it should not.
  • Corrected output soil pressures when using Imperial units.
Ver. 3.0.06 2017/08/18
  • Corrected water table force for Rankine theory.
Ver. 3.0.05 2017/08/18
  • Corrected problem when Prokon options were set to Imperial but maximum bar diameter was not set accordingly.
Ver. 3.0.04 2017/04/03
  • Added ACI318 - 14 design code.
Ver. 3.0.03 2016/04/06
  • Compatibility problem with large fonts, fixed.
Ver. 3.0.02 2016/01/05
  • "Running in demo mode" problem fixed.
Ver. 3.0.01 2015/12/09
  • Correction of licensing error introduced by maintenance release.
Ver. 3.0.00 2015/12/01
  • Major release.
  • Implemented new user interface library.
Ver. 2.6.10 2015/06/11
  • Added NZ3101 (New Zealand) design code.
Ver. 2.6.09 2015/03/17
  • Areas of bar sizes suggested adapted for nominal values as used in Australian codes.
Ver. 2.6.08 2014/06/13
  • Recompiled for improved readability with large fonts display setting.
Ver. 2.6.07 2014/04/08
  • Added Hong Kong - 2013 design code.
Ver. 2.6.06 2013/09/17
  • Point load calculation further refined - done over a width of wall projected at 30 degrees from vertical.
  • Line loads modelled as a line of point loads.
Ver. 2.6.05 2013/09/09
  • Point load calculation adjusted - too low values if close to wall.
Ver. 2.6.04 2013/07/02
  • Corrected slip safety factors shown on design diagram; was correct in tabled output.
Ver. 2.6.03 2013/06/18
  • Improved display of cursor values on wall reinforcement graph.
Ver. 2.6.02 2013/03/13
  • Adjustment to tabulated base moments and reinforcement in calcsheet to be more accurate.
Ver. 2.6.01 2013/02/25
  • Corrections to factor of safety for sliding if rotation about shear key.
  • Recalculation did not occur of SF for overturning was changed.
Ver. 2.6.00 2012/12/05
  • Major release.
Ver. 2.5.13 2012/10/17
  • Fixed error when generating bending schedules.
Ver. 2.5.12 2012/10/10
  • Fixed range check error when scrolling base reinforcement graph.
Ver. 2.5.11 2012/10/01
  • Corrected error in safety factor against sliding introduced in version 2.5.10.
Ver. 2.5.10 2012/09/20
  • Corrected passive pressure on base and shear key in submerged condition (seepage allowed).
Ver. 2.5.09 2012/09/14
  • Improved design code selection dialogue box with large fonts display setting.
Ver. 2.5.08 2012/01/26
  • Recompile to correct 'Save As' function when using right mouse click on a picture.
Ver. 2.5.07 2011/08/24
  • Corrected bending schedule error if no clips entered.
Ver. 2.5.06 2011/08/12
  • Corrected send to calcpad function.
Ver. 2.5.05 2011/07/11
  • Number of clips on bending schedule too many - corrected.
Ver. 2.5.04 2011/07/01
  • Refinements to bending schedule.
Ver. 2.5.03 2011/02/09
  • Recompile to include CSA23.3-04 (2010) Canadian code.
Ver. 2.5.02 2010/08/18
  • Maximum soil pressure now indicated in red if it exceeds the allowable pressure.
Ver. 2.5.01 2010/08/11
  • Added AS3600 - 2009 (Australian) code.
  • Mild steel bar designation aligned with global preferences.
Ver. 2.5.00 2010/07/05
  • New Release.
Ver. 2.4.09 2009/08/06
  • Improvements to readability of output graphics page.
Ver. 2.4.08 2009/05/26
  • Added Euroced 2 - 2004.
Ver. 2.4.07 2009/01/27
  • Recompiled for compatibility with quest user configurations.
Ver. 2.4.06 2009/01/14
  • Bending Schedule display problem fixed.
  • Error check for soil thickness adjusted.
Ver. 2.4.05 2008/09/18
  • Base reinforcement corrected - sometimes retained previous values if wall Ab is reduced.
Ver. 2.4.04 2008/08/06
  • Base reinforcement output adjusted so that front bottom rebar is not calculated to centre of wall but to the front of the wall only.
Ver. 2.4.03 2008/07/07
  • Reinforcement in design page table changed to reflect values on face of wall/base and not at centres.
Ver. 2.4.02 2008/04/29
  • Added error check: soil below back of base.
Ver. 2.4.01 2008/04/01
  • Fixed display of scroll values on graphs.
Ver. 2.4.00 2008/03/25
  • Maintenance release.
Ver. 2.3.06 2007/10/01
  • Positive and negative values of vertical acceleration kv now allowed.
Ver. 2.3.05 2007/08/28
  • Corrected calcsheet output regarding point/line loads on wall itself.
Ver. 2.3.04 2007/08/22
  • Corrected passive pressure resistance under seismic load - was underestimated.
Ver. 2.3.03 2007/07/10
  • Adjusted standard bar spacings to clause 8.3.5 of SABS0144.
Ver. 2.3.02 2007/05/10
  • Maximum value displayed on base reinforcement diagram corrected.
Ver. 2.3.01 2007/04/10
  • Generation of bending schedules updated to new Padds format.
Ver. 2.3.00 2007/03/12
  • Prokon Ver 2.3.00.
Ver. 2.2.05 2007/03/09
  • Shear force in wall corrected - was overestimated.
Ver. 2.2.04 2007/02/02
  • ACI318 - 2005 code added.
Ver. 2.2.03 2006/07/21
  • Fixed neutral axis depth problem for Hong Kong code.
Ver. 2.2.02 2006/06/19
  • Generate starter bars in schedule with code 32 bars where required to obtain anchor lengths.
Ver. 2.2.01 2005/03/28
  • Can now store bending schedule data with input.
Ver. 2.2.00 2005/12/15
  • Version 2.2 released.
Ver. 2.1.07 2005/10/07
  • Bending Schedule: Base bottom reinforcing was occasionally incorrectly copied to the top layer.
Ver. 2.1.06 2005/05/30
  • Point & line loads corrected for case where h3<>0.
Ver. 2.1.05 2005/03/14
  • Recompiled for Padds compatibility.
Ver. 2.1.04 2005/02/01
  • Design codes added: As3600 - 2001 and HK concrete 2004.
Ver. 2.1.03 2004/12/12
  • Listed base moments on calcsheets were one position out of step.
Ver. 2.1.02 2004/12/08
  • Soil density in front of wall reduced if seepage allowed and Hw>H2.
Ver. 2.1.01 2004/10/06
  • Maximum default bar size can now be limited using the general preferences in Calcpad.
Ver. 2.1.00 2004/09/14
  • New version.
Ver. 2.0.06 2004/06/15
  • Indian code added.
Ver. 2.0.05 1970/01/01
  • SF slip (ULS) for propped walls was not indicated on the Design diagram.
Ver. 2.0.04 1970/01/01
  • Nominal reinforcement for ACI, Canadian and Euro - code corrected.
Ver. 2.0.03 1970/01/01
  • Small adjustments at top of wall in bending schedule sketch.
Ver. 2.0.02 1970/01/01
  • Stability checks at ULS added.
Ver. 2.0.01 1970/01/01
  • Now uses Windows Padds for generating schedules.
  • Full schedule is now displayed.
Ver. 2.0.00 2003/05/08