v4.0.2 - Sep 24, 2024

• Resolved a crash issue occurring when a column design had a fixed bottom connection but no top connection.

• Corrected the functionality of the "live load scale factor," ensuring it now operates as expected.

• Added support for negative elevation inputs under loading conditions.

• Fixed an issue so that seismic load added as a percentage of dead load functions as intended.

v4.0.1 - Jul 22, 2024

• Fixed a bug causing the analysis section to rotate incorrectly during analysis.

• Resolved an issue with incorrect edge lifter reported values during erection.

• Corrected a problem where the shear check displayed as NaN when the moment was 0 at the top of the column.

• Fixed an issue where the d value was not updating correctly.

• Addressed a malfunction where the fillet option was not functioning properly.

• Fixed an issue where the controlling allowable shear spacing method was not displayed correctly for 318-19.

• Fixed an issue where certain seismic loads were ignored due to load patterning, ensuring all seismic loads are now correctly recognized and applied.

• Fixed issue where PM Diagram could be drawn incorrectly.

• Corrected an issue where axial utilization values greater than 1 were not being flagged.

v4.0.0 - Apr 24, 2024

• ACI 318-19

  • The user can now specify if design should follow ACI 318-14 or ACI 318-19 on the Design Criteria tab under Specification.

    • This option changes many calculations. To summarize the changes in more detail, see the page ACI 318-19 Changes.

• New analysis option for confinement factors for mild development length of bars with hooked or headed ends.

  • This option behaves slightly differently depending on if ACI 318-14 or ACI 318-19 are being used. More information can be found in the documentation for the option.

• New load pattern selector

  • New options can be found throughout the Analysis Report which can be used to specify which load combination / load pattern should be used for the corresponding output.

    • These options allow the user to use the worst case or specify the following:

      • Load Combination

      • Live Load Case

      • Wind Load Case

      • Seismic Case

      • Location on Column (when applicable)

    • The options can be found on at the following sections throughout the output:

      • Strength Results

      • Service Results

      • Detailed Flexure

• Cracking Behavior

  • The user can now specify if the design should be checked as a cracked section.

• Report Optimizations

  • The time required to refresh the output has been drastically reduced. This should result in a faster analysis time and make the output more smooth when navigating.

v3.13.3 - Nov 17, 2023

• Grids will now split across multiple pages correctly if printing.

• Load descriptions are now being saved to disk. .

v3.13.1 - Sep 14, 2023

• Fixed shear issue where if the user selected ‘Reinforcement CG’ for their ‘d' location, the 'd’ could be over estimated depending on loading levels.

v3.13.0 - Aug 24, 2023

• The “Analysis Results” section is now called “Analysis Report”

• The “Load Case Results” section is now called “Analysis Results”

• The now “Analysis Results” section changed as follows

  • Added a section showing the combination envelopes for both strength and service combinations

  • Added a section summarizing kl/R for each span

  • Added a section summarizing the second order effects and how much they increased your demand (for strength).

v3.12.5 - Aug 4, 2023

• Fixed issue where an additional support could be added if all supports were springs.

v3.12.4 - Jul 3, 2023

• Fixed issue with shear near ends reporting 0 capacity.

• Fixed issue with flexure reporting 99 utilization when demand was 0.

• Fixed issue with false deflection errors.

• Corrected drawings for stirrups on the summary sketch.

v3.12.3 - Jun 9, 2023

• Fixed issue with deflection graph having the wrong sign for deflections in the 'y' direction.

• Tweaked tolerances to improve convergence.

• Changed equations for ACI 318-14 Table 6.6.3.1.1 to use absolute value for demand.

v3.12.2 - May 29, 2023

• Improvement to performance

• Fixed issues with end shear reporting 0 capacity and with flexure not converging.

v3.12.0 - May 12, 2023

• ‘cb’ term in the mild development length equation had a conservative error. This was using clear covers and spacings when it should have been using center distances. This was increasing development lengths.

• The user can now define a Ktr value for mild development length.

• Added extra analysis points near the end of the column to facilitate locating 'd' when no reinforcement exists.

v3.11.1 - Feb 27, 2023

• Added option for how dv is computed for prestressed members (same as mild)

• Fixed issues where the program would crash with no steel

• No longer user plain concrete for columns

• Shear updated for members without reinforcement, it will now look within h/2 for a section with reinforcement. If a section is found, the 'd' from that location will be used.

• Updated how the controlling section for Axial / Flexure is selected.

v3.11.0 - Dec 16, 2022

• Cleaned up UI to not display options that are invalid

• Fixed issue causing shear to not be using input fy for shear

v3.10.2 - Nov 4, 2022

• Fixed bug causing PM Diagram to shift vertically.

• Fixed stripping lifter quantities saying it was 0.

v3.10.1 - Aug 2, 2022

• New Features / Improvements

  • Help → Tech Support points to new tech support website

  • Zoom improvements

• Bug Fixes

  • Fixed issue with additional self weight causing very conservative handling results

v3.9.3 - Jul 11, 2022

• New Features / Improvements

  • Changed the way controlling flexure location is selected to account axial utilization

  • Axial table now, correctly, displays developed steel area

• Bug Fixes

  • Printing fixes

  • Fixes for duplicate result location

  • Fixes for update bug

v3.9.0 - May 4, 2022

• New Features / Improvements

  • Shear table now gives controlling equation for maximum transverse spacing

  • Updated printing routines to be more stable and use less memory

• Bug Fixes

  • Can now cancel an in-progress analysis

  • Misc. stability improvements

v3.8.0 - Feb 24, 2022

• New Features / Improvements

  • Added load case results table

• Bug Fixes

  • Stability improvements

  • Fix issue where S&H stages had negative reactions

  • Printing fixes

v3.7.5 - Dec 8, 2021

• New Features / Improvements

  • Removed option for checking shear spacing per chapter 10. This option is now always used when applicable.

  • Tables in output now have an option, under File → Result Points, to automatically add a row if that location contains a design deficiency.

  • Distributed loads now assume suction is acting in the opposite direction. The wind loads grid was updated to reflect this change.

• Bug Fixes

  • Fix units issue on detailed flexure summary

  • Fix unit problem on additional self weight option

  • Fix for load summary labels not being pulled over correctly.

  • Fix issue with live load patterning now showing all results in output

  • Fixes for moment magnification now running.

v3.6.0 - Oct 20, 2021

• Updated documentation.

• Load summary added to analysis report. This section summarizes all applied loads and all load.

• New Print window.

• Combine summary and combination tabs

  • Both the service and strength section of the report now contain a single tab instead of two. On this tab the user can now select as many combinations as they want to be summarized.

• Updated navigation of data grids in the program.

• Multiple bug fixes.

v3.5.0 - Aug 2, 2021

• New Features

  • Added option under File → Options to reverse the table order in the program. When reversed, all output tables will have the top of the column be the top of the table

  • Added an option for an additional LL multiplier. This can be used to apply LL reduction from ASCE 7-10 without having to edit your base loads

  • Added option to apply 10.7.6.5.2 for maximum spacing when minimum reinforcement controls

  • Added plain concrete shear strength as a minimum shear capacity. This will control sections without reinforcement (near ends).

• Changes

  • Basis added to more drawings

  • Load drawings and 3D model updated to ensure parity between all 4 diagrams.

  • Sign of point moments about the Y-Axis reversed. Old files will automatically reverse signs when opening.

• Performance improvement for 3D model

• Editorial changes including typo fixes, certain options renamed / units changed to be consistent

• Change some of the default values for new files

• Fix issue where shear utilization on the performance summary was being computed as Vu / phiVc instead of Vu / phiVn

v3.4.1 - Jul 1, 2021

• Reorganized load input into 3 grids, lateral loads, vertical loads, and point moments. This should increase performance for members with many loads

• Fix crash when erection set to 1 lifter

• Fix for issue where transverse area was being set to 0 when opening a file

• Fix a few issues that would cause the program to crash

v3.3.1 - Jun 4, 2021

• Fix for isolated issue where some old files may not open

v3.3.0 - Jun 2, 2021

• Can now add just vertical loads. This should help reduce size of loading grid

• Fix for flag saying second order effects increased moments by more than 40% when it did not

• Summary sketch now adds bar diameters for larger bar sizes

• Added override for 225 psi check when calculating maximum transverse spacing

• Fix issue where erection results were not being shown on performance summary

v3.2.0 - Mar 17, 2021

• Stability and Performance Improvements

• Quality of life improvements

• Fixed issue with eccentricities not updating / displaying properly for point loads

• Fix issue where transverse spacing was computed incorrectly

v3.1.2 - Feb 11, 2021

• Fixed issue where transverse reinforcement was not being found in the analysis

• Fixed problem where analysis could get stuck using reinforcement interrupts

v3.1.1 - Jan 5, 2021

• 3D model updated to now correctly show load orientations (used to be strictly positive)

• Fixed typos and tweaked some input labels for clarity

• Added service reactions to service tab

• Fix issue where the transverse spacing was not being calculated correctly.

• Updated 3D model view cube to mirror inputs on previous tabs.

v3.0.0 - Oct 20, 2020

• Detailed Flexure Capacity

  • New output tab, in analysis report, showing a detailed calculation of the flexure capacity

  • In this you will find the calculation for: PM Diagram, Biaxial Capacity Contour, Calculation of neutral axis depth, calculation of capacity, calculation of axial capacities

• Transverse Reinforcement Changes

  • Added J-Hooks

  • Expanded Detailing Options

• Datum Based Input

  • Concrete extents now defines a top elevation and bottom elevation

  • Inputs that ask for elevation are no longer from the bottom

  • Old files will open with the bottom elevation as 0

• Expanded error handling

  • Analysis and design errors expanded to provide more information

• Table Redesign

  • All tables redesigned with better formatting

  • Conditional formatting in table to highlight failures and the controlling row

• Added an other load type which can be used for any load not present previously (Barrier Cables, Flood, Impact, etc)

• Can now apply a displacement at the supports to simulate story drift

• Minimum prestress is now an option to use the maximum or average amount. Previously, average could run into problems, due to transfer, where it would drop the average below 225 psi

• Fix issue where load eccentricity was not updating in load grid

• Column stack was removed. To do a column stack model it in a single file with moment releases.

• Fixed interface bugs

• Optimized analysis for speed increase

v2.2.2 - Oct 15, 2020

• Fix crash in 2nd order analysis

• Fix issue where load eccentricity was not updating in load grid

v2.2.1 - Aug 19, 2020

• No longer display error 2nd order effect error for very small moments (< 0.01 kip-ft)

• Fix error that was causing issues with the maximum spacing calculation for transverse reinforcement

v2.2.0 - Jul 13, 2020

• Add a read-only eccentricity column to the loading table

• Ignore center strand / rebar not set to true by default

• No longer display error 2nd order effect error for very small moments (< 0.01 lb-in)

• Fixed a few issues causing crashes

• Now uses either the section or structural sections bounding box for loading reference

• Unified output locations to be in feet

• Fix issue preventing load patterning from being enabled

• Fix issue where maximum transverse spacing was incorrect

v2.1.1 - May 27, 2020

• Fixed display error on shear and flexure graph for strength combinations

v2.1.0 - May 20, 2020

• Removed kl/r > 100 check. Now correctly check that 2nd order effects do not increase demand by more than 40%.

• Added triangular voids

• Can now add custom analysis points from the file menu

• Can now add custom result points from the file menu

• Fixed errors in the drawing routines

• Fix deflection reporting error

• Fix printing error