C23: Punching Shear Design

Ver. 3.1.05 2020/01/09 Added support for entering combined reinforcement configurations e.g. Y16@250+1Y16 for reinforcement crossing perimeters.

Ver. 3.1.04 2019/04/25 Added AS3600 - 2018 design code.

Ver. 3.1.03 2018/12/07 Prokon_Ribbon_Light not found error corrected.

Ver. 3.1.02 2018/11/02 Occasional blank screen on older Win 10 versions, fixed.

Ver. 3.1.01 2018/10/18 Switch Style button removed.

Ver. 3.1.00 2018/09/28 Version 3.1 released.

Ver. 3.0.12 2018/04/12 Ribbon interface implemented. Detailed calculations integrated into Calcsheets - separate tab removed.

Ver. 3.0.11 2018/01/09 Unlocked greyed-out input fields when AS3600 - 2009 selected.

Ver. 3.0.10 2017/06/20 Corrected shear on column face for edge columns - Eurocode 2.

Ver. 3.0.09 2017/05/08 Corrected calculation for ultimate shear check on column face for edge columns.

Ver. 3.0.08 2017/04/06 Added ACI318 - 2014 design code.

Ver. 3.0.07 2017/02/17 Now using Veff of first perimeter for ultimate shear check on column face.

Ver. 3.0.06 2017/02/06 Corrected calculation for ultimate shear check on column face: Now using effective shear force and reduced perimeter for edge and corner columns.

Ver. 3.0.05 2017/01/04 Selection of inclusion of detailed calculations on calcsheet shifted to output options dialog.

Ver. 3.0.04 2016/04/06 Compatibility problem with large fonts, fixed.

Ver. 3.0.03 2016/03/01 Divide by zero error fixed.

Ver. 3.0.02 2016/01/06 Occasional range check error during start up, 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. 2.6.06 2015/06/12 Added NZ3101 - 2006 design code.

Ver. 2.6.05 2014/10/23 Fixed "Print Now" function which did not print all pages. Corrected unit conversion in calculation of Asvn1 for ACI318 - 2005 code.

Ver. 2.6.04 2014/10/22 Corrected formulas for Jx/ex and Jy/ey for ACI codes.

Ver. 2.6.03 2014/04/08 Hong Kong - 2013 design code added.

Ver. 2.6.02 2013/09/25 Corrected formulas for gamma;x and gamma;y for ACI 318 calculations.

Ver. 2.6.01 2013/09/20 Corrections and improvements to ACI 318 calculations.

Ver. 2.6.00 2012/12/05 Major release.

Ver. 2.5.11 2012/10/15 ACI318 - 2011 design code added.

Ver. 2.5.10 2012/09/14 Improved design code selection dialogue box with large fonts display setting.

Ver. 2.5.09 2012/07/24 Corrected vcu calculated as 0.0.

Ver. 2.5.08 2012/07/12 Edit header pop-up menu item did not work for general calcsheet. Send to Calcpad did not work for detailed equations.

Ver. 2.5.07 2012/02/24 Corrected problems with Detailed Calculations page.

Ver. 2.5.06 2012/02/22 Corrections to calculation of Veff for ACI codes.

Ver. 2.5.05 2012/02/20 Corrected calcsheet output for ACI318-05: units and code reference for calculations of Veff.

Ver. 2.5.04 2011/09/01 Corrected calculations for EC2 (2004) code. Fixed range check error.

Ver. 2.5.03 2011/05/30 Added design check for ultimate shear stress at the column face.

Ver. 2.5.02 2011/02/09 A23.3-04 (2010) Canadian code added.

Ver. 2.5.01 2010/08/13 AS3600 - 2009 (Australian) code added.

Ver. 2.5.00 2010/07/05 New Release.

Ver. 2.4.03 2009/11/20 Disabled Eurocode 2 - 2004. Amended calcs for AS3600. Added detailed calculations tab.

Ver. 2.4.02 2008/10/08 New examples added. Functionality enhancements. New Help File.

Ver. 2.4.01 2008/09/15 Problem with calculation of vc for edge columns corrected.

Ver. 2.4.00 2008/03/25 Version 2.4 released.

Ver. 2.3.02 2007/11/13 Lib22 error fixed.

Ver. 2.3.01 2007/11/01 Range check error fixed.

Ver. 2.3.00 2007/03/12 Prokon Ver 2.3.00.

Ver. 2.2.02 2007/02/05 ACI 318 - 2005 code added. vc for ACI 318 - 1999 now shown after multiplying with phi - Rebar remains the same.

Ver. 2.2.01 2006/05/08 Program used circular perimeters for round columns for the BS8110 and derived codes - these should be rectangular.

Ver. 2.2.00 2005/12/15 Version 2.2 released.

Ver. 2.1.01 2005/02/23 Hong Kong and Australian design codes added.

Ver. 2.1.00 2004/09/14 New version.

Ver. 2.0.01 2004/06/24 Indian code added.

Ver. 2.0.00 2003/05/08 New system library implemented. See Service Pack 2.0.00 for details.