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v4.11.8

  • New Features / Improvements

    • Mild reinforcement now correctly reduces deflection multipliers for construction when told to do so

    • ecu now only displayed for flexure when stress-strain integration is used

  • Bug Fixes

    • Fixed loading summary displaying wrong values for topping’s with non-constant thicknesses

    • Fixed slender spandrel bug using wrong h if ledge is included

    • Fixes for printing

v4.11.1

  • New Features / Improvements

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

    • Updated online documentation

    • Horizontal shear changes

      • Now has option to use mu effective or not

      • Now shear friction is always checked is above the 80 psi limit

      • Option to use VQ/Ib of V/bd for horizontal shear stress

      • Option to use all loading or just composite load

    • Can now ignore load combinations containing wind and seismic when checking deflections

    • Added summary of reinforcement at the given section to the reinforcement summary

    • Added service level bearing to the bearing summary

    • Added two more options for Dap designs. Now has load input and hanger cover

    • Added Tu to performance summary

  • Bug Fixes

    • Fix performance summary using absolute values for deflections

    • Stability improvements

v4.10.0

  • New Features / Improvements

    • Output now contains a load case results table

    • Added strand pull, as a force, to the output

    • Add option for members supporting nonstructural elements

    • Added stiffness multiplier for deflections

    • Added option to use ACI or PCI recommendations for allowable bar stress for top tension steel

  • Bug Fixes

    • Stability Improvements

    • Fix issue using roof loads as live loads where they wouldn’t be counted towards sustained loading

    • Fix issue where the wrong table locations were being added in

    • Fix issue in graphs

    • Fix issue where Av provided was being shown as 0

v4.9.1

  • New Features / Improvements

    • Option to not check shear / torsion within critical distance. Checking this option will remove all locations from centerline location and critical distance from output.

    • Transverse steel now has user select which face the reinforcement is for. Previously it would put all reinforcement with a single leg on the interior face. Now the user selected what face the steel is for. Selecting both faces will put half on each face.

    • Can now add rows to tables if a design deficiency is present at that location. This option can be found under File → Result Points.

    • Construction stage for deflections now shows the deflections due to wet topping weight. This deflection does not include any long term creep effects.

    • Prestress losses on performance summary are now midspan losses instead of maximum.

    • The user can now selected the end zone length for the transfer stage. This option is found under Design Criteria → Transfer → End Zone Length

  • Bug Fixes

    • Multiple issues fixed with printing.

    • Fixed conservative issue with shear near the supports.

    • Tension graph now correctly graphs the selected load combination, not the controlling.

    • Fix intermittent issue resulting in topping load being cleared if it didn’t start at 0.

    • Fix crash when used draped strands.

    • Fix issue where the ‘Compute Topping Profile’ feature would crash.

    • Fix incorrect losses table when using user defined losses.

    • Help → Technical support should now work again.

v4.8.0

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

  • Distributed load grid split into area and line load grids.

  • Added the torsion stress limits to the torsion tables.

  • Added plain concrete strength back for both flexure and shear as a minimum strength.

  • Topping stresses are now transformed.

  • Sustained compression tables will now always be visible.

  • Fix tables not being highlighted.

  • 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.

  • Fix load patterning issue.

  • Nu / Vu ratio inputs now updated to correctly show that they use Nu to Vu sustained.

  • Multiple bug fixes.

 

v4.7.1

  • Fix issue that could result in extra rows in tables

  • Added bearing capacity calculation to Quality Control checks and document

  • Fixed issue presented in v4.7.0 that resulted in bearing demand being incorrect

v4.7.0

  • Polygonal Sections can now import data from DWG files

  • New print options window

  • Nu / Vu ratio now properly applies to only sustained loads

  • New bearing option to use a user defined Cr value

  • Fix issue with flexure capacity not converging on a solution

  • Fix crashes in the polygon editor

  • Slender Spandrel method will now include Av minimum (from shear) in the calculation for the inner and outer requirements in the combined shear and torsion table

v4.6.3

  • Fixed isolated issue where old files would not open

v4.6.2

  • Program Changes

    • Strand ultimate strength now allows the user to type a value instead of select from 250 or 270

    • Graphs no longer plot points which the analysis ignored

  • Analysis Changes

    • Accounted for ACI 318-14 Errata for ACI Tube Torsion method (Updated in QC Manual)

    • Updated QC Manual for bending near ends of member to properly show what we do for
      Zia Hsu at the ends of members.

  • Bug Fixes

    • Fix duplicate torsion errors for the ACI method

    • Fix issue with mild member deflections not computing in rare cases

v4.6.1

  • Bug Fixes

    • Fix issue resulting in the deflection calculation where wind loads would be ignored with both types were not present (pressure and suction)

v4.6.0

  • New Features

    • Added Metromont’s MetroDeck as a section type

    • Moved deflection summary to its own tab

    • Added option for upward deflection on deflection summary

  • Program Changes

    • Move composite dead load deflections further down in table

    • Fix chamfer errors where flanges are removed on double T sections

    • Relabeled torsion reaction on performance summary to Tx (from Mx)

    • Fix issue with Dap analysis not saving or (occasionally) being run

    • Allow strand pull to be a decimal input

  • Bug Fixes

    • Fix printing crash

    • Fix error where deflection failures were not changing progress bar to red

    • Fix error which resulted in reported reactions to be 0

v4.5.7

  • New Features

    • Mildly reinforced members now use effective moment of inertia for deflections instead of bilinear deflections.

    • Added warnings for reducing shear / torsion demand near support when we detect that it may be inappropriate to do so

    • Expanded section property tables in output

    • Added more options on computing shear capacity of composite sections

  • Program Changes

    • Default files now correctly set the date to the current date

    • Dash out flexure rows where capacity is not calculated

    • Distributed load grid split into area load and line load grid to help differentiate the loads for the reviewer.

    • Topping surface type changes to just intentionally roughened or smooth. If roughened, the program will check if reinforcement is required, if smooth minimum is always required.

    • Expanded help documentation on the website. Use Help → User manual or F1 to get to it.

    • Mechanically anchored reinforcement now instantly develops tension and compression.

    • Load bearing width for ledge design changed from 3 inches to 4 inches.

    • Prestress losses added to detailed flexure printout

  • Bug Fixes

    • Fix issue where composite members could get stuck in the analysis

    • Fix issue for the PCI Method of Horizontal Shear resulting in higher demand

    • Plain concrete strength now removed as an option as it was primarily used for sections with very low demand (which is handled differently now)

    • Fix issue resulting in lower than expected d values for shear. This was intermittent and only slightly conservative (<5% in d value)

    • Fix issue where load descriptions were being added to output incorrectly

v4.4.0

  • New Features

    • Length input can now use a - or a space as a delimiter between feet and inches.

    • Added input of the Nu/Vu ratio for bearing. This value can be used to set Cr to 1 if set to 0.

    • Added the design number to the project information on the design criteria tab

    • Project description now supports multiple lines. Just press enter to add a new line.

    • Now calculated P/A used for DT Stem Mesh. Results displayed below shear output on Strength summary

    • Added deflection option to use either midspan section properties or to vary by location.

    • Added self weight multiplier to vibrations analysis. Vibration analysis now only includes self weight and weight of participants for the total weight. Often time this weight should be higher, for those cases the self weight multiplier can be used.

  • Program Changes

    • Interface has been cleaned up in multiple areas for better readability.

    • Performance summary was reformatted. Since a loading summary exists now, the loads were removed and a summary of bearing was added in.

    • Default files were updated to contain new default settings.

    • When checking φMn to 1.2Mcr, the cracking moment will now longer user the corresponding dead load factor from the given load combination but will instead use a service load factor of 1.

    • Fixed issue for composite lightweight members where losses and deflections were using a slightly higher elastic modulus than expected

    • Handling tension limit changes

      • Any initial stage using transfer limits will now display and compute Astt

      • Tension exceeding the cracking stress will now display as a warning instead of an error

  • Bug fixes

    • Fixed issue where false horizontal shear errors were being thrown.

    • Fixed issue where upward live load deflections were not being shown on individual service combinations.

    • Fixed error where the program was using the Class U limit as the cracking stress limit and not the modulus of rupture.

    • 1.2Mcr is now back in the flexure graphs.

    • Attempted fix for the reinforcement tab not refreshing when reinforcement was added.

  • New Documentation and Hand Calculations

    • New help pages on cracking moment, flexure capacity, double T stem mesh limit, and transformed section properties.

    • New hand calculations, posted on their corresponding help pages, for cracking moment, deflections and transformed section properties.

v4.3.3

  • Now use plain concrete shear strength ACI 318-14 14.5.5.1 as a minimum shear strength

  • Added option for mildly reinforced beams to limit the shear depth to 0.8h

  • Final fix for installer. v4.3.0 to v4.3.2 may not have installed correctly.

v4.3.2

  • Fix issue with bad installer

  • Attempted to fix reinforcement input not updating and requiring a restart

  • Can now select which loads get distributed for hollow core slabs

  • Fixes where phiMn would be displayed lower than anticipated

  • Printing issue fix

v4.3.1

  • Fix issue with bad installer

  • Fix isolated issue where plain concrete strength could not be computed

  • Graphical fixes for overlapping C bars

v4.3.0

  • Added detailed flexure capacity section of analysis report

  • Performance improvements

  • Added label to flexure table to indicate tension, compression, or transition controlled

  • Added service reactions to service summary

  • Fix error where Vu.Max and Tu,Max were being hidden from the Zia Hsu torsion table

  • Hide compute topping profile when no topping is present

v4.2.0

  • Fix error in last update not applying all changes

  • Added in tool to set topping profile

  • Mild development now checks ACI 318-14 24.4.2.2 and 24.5.3.2 both.

  • Misc. UI bug fixes

  • Fix problem where false errors were being reported

  • Fix printing issues

v4.1.0

  • Polygonal Section Improvements

    • Easier to reorder points

    • Clean up polygon okay to make it more compatible with the analysis

    • Easier to paste vertices in

    • Bug fixes

  • Fix incorrect transverse reinforcement errors

  • Deflection multipliers now correctly only applied to the elastic analysis results

  • Can now add eccentricity to the member self weight

  • Analysis no longer crashes when self weight set to 0

  • Fix error causes strand to not develop correctly if debonded

v4.0.0

  • Concrete Extents

    • Added Bulb T Beam as Section Type

    • Added in bay width for effective topping width computation

  • Structural Model

    • Can now label loads

    • Reinforcement

    • Can now insert transverse Reinforcement

    • Can be inserted as bars or use mesh sheets

    • Supports multiple bar shapes and end conditions

  • Design Criteria

    • Added input for transverse bar strength

    • Reorganized inputs for material properties

    • Simplified deflection options

    • Option on how to treat composite members for shear

    • Release now always includes self weight

  • Analysis Report

    • Added load summary to summarize all loading on the members

    • Redesigned all tables to support future options

    • Recreated shear and torsion tables to clarify output and to better facilitate inputting transverse reinforcement

  • New online documentation

    • Now accessing the help document will take you to our website

    • This will be updated based on all user questions and will continue to evolve over time

  • Deflection Changes

    • No longer use the effective moment of inertia method but the bilinear deflection method

    • Replaced effective section properties from service tables with cracked section properties

    • New method is described, with a hand calculation, in the help page

  • Shortening Calculation

    • Now compute shortening of the member due to prestress and flexure for erection

    • Can be seen in the deflection output

    • New method is described, with a hand calculation, in the help page

  • One-Way Shear Changes

    • Cleared up some labels on options

    • Can now include the topping in the concrete shear strength

    • Automatically adds the critical shear to the shear tables

v3.6.2

Torsion Bug Fixes

  • Program now appropriately includes the topping when calculating the horizontal shear area using the ACI method

  • Fixed labels on coordinate system in 3D model

v3.6.1

Torsion Bug Fixes

  • Slender Spandrel method is now accounting for bearing length

    • Previously the end region was measured from centerline of bearing, this was causing the transition region to start too soon

  • Zia Hsu Method now properly checks for plate bending near the ends and had a bug fixed in the Vc calculation

v3.6.0

  • Fixed bug introduced in v3.5 where the end of the strand was starting fully developed

  • Added flexure point moments

v3.5.0

  • Fse for transfer length now uses the lose computed at the center of the strand

  • 'd' is now computed for sections where the reinforcement has no effective area (fully undeveloped)

  • Added options to ignore loading on cantilevers to assist in modeling simply supported members

  • Updated deflection calculations to properly use Eci for selfweight and prestress deflections per the PCI Design Handbook

  • Added fixity conditions to model fixed ends

    • Selected on the structural model tab

    • Can chose at what stage the member becomes fixed

v3.4.0

  • Transfer stress limits are now available for use for handling stages when member is not prestressed

  • Fixed issue where ‘Show Additional Checks’ was not available for printing options

  • At will not longer be reported being negative

  • Can now position reinforcement in topping

  • Fixed issue where shear and torsion table were not correctly reporting controlling values

  • All tables now in feet for position on the member

  • Remove custom strand size

v3.3.0

  • Hollow Core Slab Load Distribution

    • Added input on Structural model tab for load distribution of non-area loads for hollow core slabs

  • New Shear Tables

    • Added Av Required for Vcw and Vci for Double Ts

    • Redesigned layout of tables

  • User can now edit locations where analysis is performed

    • Interface can be accessed from File → Analysis Points

  • User can now edit locations where results are displayed

    • Interface can be accessed from File

  • Added option to ignore stresses in topping

    • Can now ignore topping stresses. Their values in in tables will be replace with a '-'

  • Fix pasting error in polygonal editor

    • Will no longer put ‘NaN’ in Y column when pasting data

v3.2.0

  • Added reactions to strength combination results 

  • Fix error in sync data 

  • Fix printing error causing ledge input to be shown 

  • Fix for HCS not converging on flexure capacity 

  • Fix bug in automatic topping thickness computation resulting in non-symmetric sections 

v3.1.0

  • Add option to ignore certain distance of the ends of the beam when looking for controlling flexure section

  • Fix error in the 3D model

  • Fix some display issues

  • Fix bug which was causing the bottom stresses in the topping to be set equal to the top section of the precast

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