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v5.
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4.
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‘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.
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Fixed issue where solid zones were not being accounted for in the R-Value calculation.
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Beam-spring models should no longer report errors that lifters are in compression when they are not.
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3 -
Fixed an issue with adding openings to the beam design file.
v5.4.2 -
Fixed an issue where the Weight of Participants input would reset for vibration check.
Added the total beam weight display at the top of the handling input section.
v5.4.1 -
Resolved an issue where the critical flexure case might not be included in the report.
Fixed a bug causing 'distributed loads' option to affect area load results when they shouldn't.
Addressed an issue where the critical Mu value might not appear on the design summary page.
Added an option to input additional result points in feet and inches format.
Introduced a new input scheme for riser sections.
Enhanced the program’s ability to notify users when a newer version is available.
v5.4.0 -
Fixedthe "Ignore left/right cantilever loading" option now reports results correctly.
Resolvedan issue in vibration design where the total weight was incorrectly reported.
Corrected an issue of required steel using the Zia-Hsu method.
UpdatedPCI losses now account for elastic gains due to superimposed dead loads.
Fixed a bug that prevented the summary graph from displaying correctly when printed to PDF.
v5.3.2 -
Resolved an issue where user-defined additional output points were not appearing in the results table.
Fixed a bug that caused the geometry limit to be reported incorrectly.
v5.3.1 -
Added the option to use Stress Relieved strands.
Corrected an issue where incorrect moment was reported under detailed flexure capacity.
Fixed a bug in the calculation of the neutral axis depth for asymmetric members, which was previously computed too low.
Resolved a crash caused by fixed ends analysis.
Addressed a problem where the Acr value was reported incorrectly.
Fixed the fillet and chamfer input issue.
Corrected an issue where shear fy was set to 0 if transverse reinforcement existed at a location but was not used for shear.
Added color to more demand capacity ratio graphs.
v5.3.0 -
Fixed an issue where the torsion design controlling case was not reported correctly when shear reinforcement input was not provided.
Fixed an issue where the ‘XXY’ value under the Zia-Hsu method was not saved correctly.
Fixed an issue where ‘Vc’ value was not reported correctly for Hollow Core or Polygon sections.
Fixed an issue where the ‘Al min’ value was not calculated correctly per ACI 9.6.4.3. The value ‘At/s’ is now back-calculated from ACI 22.7.6.1a.
Fixed multiple T-slab input geometry and printing errors.
Fixed an issue causing deflection to be reported as ‘0’.
Fixed an issue with the torsion design check where the ACI method did not correctly consider ACI 9.5.4.1.
v5.2.2 -
Fixed an issue where incorrect Astt value was reported in irregular-shaped beam design.
Made change to prevent potential program crashes triggered by using summary selectors in the output.
Fixed a bug preventing Default Start Up files from opening with double-clicking.
Fixed an issue where extra torsion / shear table rows were being added.
v5.2.1 -
Updated issue where lateral reactions were zero.
Added in shear keys for hollow core slabs.
Fixed issue where combined shear and torsion could pick the wrong load combination to display as the worst was when an interaction combination (not maximum shear nor torsion) controlled.
v5.2.0 -
Added effective deflection multiplier to the deflection output tables
The first column of the deflection table now shows the deflection multiplier for all load cases. These will be updated to account for anything that could change them (like mild reinforcement).
Fixed issue for deflection where sustained live load was not using creep multipliers
Editorial changes to the report
Fixed issue with ‘cb’ computation where development lengths would be larger than expected if cover controlled
Updated 1.2Mcr check for biaxially members to use biaxial flexure capacity instead of only strong axis
Fixed multiple printing issues
v5.1.2 -
Fixed issue where lifting with 4 pick points was not working correctly
Prestressing force was being displayed as 0 in tables
Mcr no longer displays as 0 in ACI 318-19
Fixed issue with graph shading
Fixed input/output issues
v5.1.1 -
Fixed issue which could cause trapezoidal loads to be applied as uniform
v5.1.0 -
Mild deflection routine changed so that the additional deflections due creep and shrinkage do not use the section properties from non-sustained loads
v5.0.5 -
Option to ignore shear within critical distance functioning again
Added more rows to tables when errors exist
Fixed issue with hollowcore slab using the wrong void shape
v5.0.4 -
Fix issue where the program may crash when using a dap
Remove AUS Compression Block
Fixed issue where shear could report NaN for Vs values
Stability improvements
Printing fixes
Load descriptions now show up in the load summary again
Fixed error which was causing lambda to be included in Class C and Class T limits
Fixed issue where live load patterning without live loads were causing load combinations with live load to be skipped
v5.0.3 -
Further fix to bug preventing some input tab tables from printing
v5.0.2 -
Fixed a bug preventing the structural model input tab tables from printing
v5.0.1 -
Added option for Bulb DTs to modify which section is considered for shear
Improvement to T-Slab
Load patterning fixed for members with cantilevers
Minimum prestress now displayed on performance summary again
Fixed issue where lateral loads were being applied when told not to
Fixed issue with elasticity multiplier rejecting decimals
Fixed false errors for shear
Stability improvements
v5.0.0 -
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 behave slightly differently depending on if ACI 318-14 or ACI 318-19 are being used. More information can be found on 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 Beam (when applicable)
The options can be found on at the following sections throughout the output:
Strength Results
Service Results
Detailed Flexure
Horizontal Shear
Camber and Deflection
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.
Torsion Output
Torsion tables have been reworked for all three torsion methods. This should make it easier to determine where transverse reinforcement is required for non-symmetric torsion methods (like slender spandrel).
A new section has been added below the Shear and Torsion table called "Plate Bending at Supports"
This section is only active if Zia-Hsu or Slender Spandrel are being used for the torsion methodology. This section shows the requirements of the plate bending at the centerline of supports separately from the general torsion check. This is because these computations, as defined in the PCI Design Handbook, result in a minimum amount of transverse reinforcement being required within a set distance. Previously we just divided this requirement by the zone length, but this can be conservative and make it hard to optimize the transverse reinforcement design.
Detailed flexure summary now displays the 'd' computation for tension bars, compression bars, and prestressed reinforcement.
Shear steel requirement graph now includes Av minimum when required.
Miscellaneous improvements and fixes
v4.17.8 -
Updates to start up files
Live load regain no longer is considered for creep when using the time dependent loss procedure
Sustained shear on bearing summary corrected to account for shored loading
Fixed issue where horizontal shear could select a non-controlling case for sections that did not require reinforcement when the surface was intentionally roughened.
v4.17.6 -
Fixed issue where the user could distribute super-imposed area loads for hollow-core members.
v4.17.5 -
Fixed issue where a beam could crack under positive moment as if it had negative moment.
Fix horizontal shear crash.
Cracked composite section under negative moment now assumes the topping will crack completely.
v4.17.4 -
Fixed issue with shear near ends reporting 0 capacity.
Fixed issue with flexure reporting 99 utilization when demand was 0.
Corrected drawings for stirrups on the summary sketch.
Fixed issue where Aps was being report incorrectly on reinforcement input.
v4.17.3 -
Tweak internal tolerances to fix convergence issues.
Improve performance for cracking algorithm.
v4.17.0 -
‘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.
Fixed crash when moving results to new window.
Fixed issue with beam not converging.
CGy on the reinforcement tab now takes the percent pull into account.
Fixed issue with horizontal shear stress for members with openings. Av minimum was being increased for these cases.
Fixed IO issue for C bars with a single leg where the legs would reset to 2.
v4.16.5 -
Printing Fixes.
Fixed for Dnc not updating on the performance summary in the reaction summary.
General UI fixes.
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