v6.3.4
19 September 2024
Fixed default resistance factors for LRFD in default/startup files.
Resolved input error for CE1 epoxy bars.
v6.3.3
15 August 2024
Resolved the issue that caused the input panel to be partially blocked.
v6.3.2
9 August 2024
Removed the beta value from the AREMA shear output, as it was not intended to be included.
Fixed an error in the C1/CE1 reinforcement input.
Bugs related to the support of epoxy-coated mesh bars have been fixed.
v6.3.1
30 July 2024
Expanded and revised load factor and load combinations dialog box for AREMA.
Added load factor for joint tested boxes (AREMA designs only).
Fixed the issue to show additional horizontal and vertical loads correctly in the report for inverted three-sided culverts.
Fixed an issue for ‘Reactions Applied to Structure’ tables results.
Fixed an issue that CE1 bar weight was not reported correctly.
Fixed the issue of CE1 bars disappearing from the bar schedule when ‘only epoxy top slab’ was selected.
Add support for AREMA group. (dead, live, impact, earth pressure and earthquake), noting that earth pressure refers to horizontal soil loads while vertical soil loads are included in D loads.
Fixed an issue that MID - value was not reported correctly for design with span under 5ft.
Set default fy to 60 ksi for rebar designs and default earth redundancy factor to 1.000.
WSDOT Agency Updates:
For top slabs, the minimum thickness should be the maximum of 10”, Table 2.5.2.6.3-1 (Slabs with main reinforcement parallel to traffic), or Article 4.6.2.10.4 (if the length of the culvert is less than 4’). For bottom slabs, the minimum thickness should be 10”.
Added a span-to-thickness ratio check per LRFD 4.6.2.10.4 for top slabs.
Allowed a 3’ lay length for the short side of skewed boxes.
Unchecked the ‘always distribute wheel load’ analysis option.
Ensured all 8 seismic combinations are checked.
Included Inventory and Operating load ratings in the summary.
Added an additional concrete weight to be used for dead load calculations, one for dead load and one for elasticity.
ACPA Agency Updates:
Updated top cover = 2”
Updated the live load surcharge in the Manual for Bridge Evaluation for rating, reflecting the latest MBE terminology for approaching wheel load. The approaching wheel load can be modeled by a trapezoidal load using the Eq. 6A.10.10.3c-1.
Unselected the ‘use eq. 12.10.4.2.4a-1’ option for the NYSDOT agency.
v6.2.9
Fixed a type 3 culvert issue where two releases in a single member did not function correctly.
Removed the option to include haunches in shear critical sections, as the program was not checking the point where the haunches ended, leading to unconservative top slab shear designs.
Fixed shear check using 5.12.7.3 for simply supported slabs.
Fixed the issue where short and narrow culverts were showing a mid- failure and the program was showing 0 reinforcement at that mid- check.
Changed shear analysis option label to say 5.12.7.3 rather than 5.14.5.3.
v6.2.4
Fixed an issue with three-sided culverts using two sheet layouts where two mesh inputs (AS3 & AS4) were involved.
v6.2.2
28 December 2023
Added negative moment mid-span critical section for the top slab.
v6.2.1
3 November 2023
MPF array now limited to max index of 4 to prevent program crash if 5 or more lanes are used.
Fixed an issue where the Design legal load factor input in the Load and Resistance Factors dialog box was not saving user inputs.
Fixed a printing error where the Reinforcement Summary and Rating Summary were not printing.
Fixed the issue where LS load generation was not using K factors when requested by the user.
Fixed the issue where the EHmin load factor was not using the code load factor when K factors were requested by the user.
For LRFR, load ratings will now be calculated even when there are no vertical LL force effects but there are LS force effects.
Special care is taken for the mid-span bottom slab critical sections when calculating load ratings for LRFR.
Fixed the issue that exterior water pressure head was not applying correctly for inverted three-sided culverts.
Add bottom slab MID- critical section for inverted three-sided culverts.
v6.2.0
12 May 2023
Added negative moment mid-span critical section for the bottom slab
Misc. UI improvements
v6.1.2
11 Apr 2023
Resolved issue causing files using Service Load Design (SLD) to crash
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