AASHTOWare Bridge^® Design and Rating Release Notes

October, 2016

6.8 Service Pack 1 (6.8.1) applies to the following products:

* AASHTOWare Bridge Design (BrD), version 6.8.0

* AASHTOWare Bridge Rating (BrR), version 6.8.0

* AASHTOWare Bridge Design and Rating (BrDR), version 6.8.0

Instructions for applying Service Pack 1:

1. If you are not already using 6.8.0, migrate your software and databases to version 6.8.0 by installing from the 6.8.0 installation media and running the 6.8.0 database migration wizard.

2. Download the appropriate self-extracting exe Maintenance Release file for your system. Extract the contents of the file into a temporary folder on your computer.

3. Close all running instances of BrD, BrR or BrDR.

4. Run the extracted Setup.exe program to apply the program changes.

Version 6.8.1 uses the same database as version 6.8.4; no database changes are required for this Service Pack

AASHTOWare Bridge® Design and Rating Version 6.8 Service Pack 1 - New Features

The following enhancements and additions have been added to AASHTOWare Bridge Design

and Rating in Version 6.8.1:

1. Load Rating Tool

2. Bridge Copy/Delete/Replace utility

AASHTOWare Bridge® Design and Rating Version 6.8.4 Maintenance Release 1 - Resolved Incidents

The following Support Center incidents in the AASHTOWare Bridge® Design and Rating Technical Support website are addressed in this release:

1. BRDRSUP-757 - The LLDF for entire box by adding the values established for Web is not correct

2. BRDRSUP-854 - LRFR spec check error for 3D FEM analysis

3. BRDRSUP-861 - Rebar Schematic of MCBOX does not automatically updates as soon as rebar is entered and APPLIED

4. BRDRSUP-871 – Lane type legal load

5. BRDRSUP-897 - LRFR - LLDF generated for RC tee is incorrect

6. BRDRSUP-900 - Failed to complete the 3D finite element analysis for curved steel bridge

7. BRDRSUP-908 - Hybrid section validation issue at the boundary of two sections for curved bridge

8. BRDRSUP-911 - Article 10.48.1.1 should use Dcp in Eq 10-94 instead of Dc

9. BRDRSUP-915 - BrD failed to calculate the superstructure loads for the pier with slab system structure

10. BRDRSUP-916 - Reinforcement area (Av) shows NaN for spec check article 5.8.3.4

11. BRDRSUP-923 - Section 6.10.8.1.1 shows as a failure but should not.

12. BRDRSUP-928 - LLDF for MCBs with web Spacing is greater than 13ft is not correctly established when Range of Applicability Overwrite is used.

13. BRDRSUP-931 - A Mistake in Checking Skew Angle for Floorbeam for Using Appendix A6

14. BRDRSUP-948 - LRFR rating of RC beams in 6.7.1 is not correctly considering dv locations when rating for shear

15. BRDRSUP-955 - FP06 Nonstandard Gage for Floor System

16. BRDRSUP-963 - Fatigue Stress Range for Shear Stud Design Art. 6.10.10.1.2 Wrong

17. BRDRSUP-986 - LRFD Modulus of Elasticity for Concrete is not correctly established if SI unit is used.

18. BRDRSUP-990 - MCB bridge failed to load the influence line for "Lane-Type Legal Load"

19. BRDRSUP-995 - Results graph does not show "Design Ratio" for non-composite girder

20. BRDRSUP-1008 - Incorrect LLDF applied to longitudinal steel beams on a timber deck.

21. BRDRSUP-1016 - Vehicle Placement on Striped Lane for Rigid Deck Distribution is wrong

22. BRDRSUP-1020 - Pier skew angle listed within Substructure is always shown in two-digit number

23. BRDRSUP-1022 - Min Reinforcement (5.7.3.3.2) check not in summary table

24. BRDRSUP-1028 - Design Tool incorrectly thinks it is modified

25. BRDRSUP-1030 - "Allow distribution factors to be used to compute effects of permit loads with routine traffic" checkbox does not save for LFD

26. BRDRSUP-1037 - Diaphragm condition factor override not being used in the diaphragm LRFR rating

27. BRDRSUP-1038 - Floor Line analysis for LRFR does not recognize impact adjustment entered within "Advance" Analysis Settings.

28. BRDRSUP-1039 - 3D FEM freezes

29. BRDRSUP-1041 - Incorrect Rp reduction factor for holes in LRFD 6.8.2

30. BRDRSUP-1042 - Example FSys GFS TrainingBridge1 NSG analysis failure

31. BRDRSUP-1045 - Diaphragm deterioration not always considered

32. BRDRSUP-1047 - Issue with truss LRFR LLDF when more than 2 lanes are loaded

33. BRDRSUP-1050 - program crashes during analysis

34. BRDRSUP-1052 - 2016 Spec Update - Different Service III LL load factor for PS beams depending on the loss method used

35. BRDRSUP-1055 - Diaphragm loads improperly distributed to interior/exterior girder, and to supports

36. BRDRSUP-1056 - Report Tool Missing Operating Rating

37. BRDRSUP-1058 - Trucks should be placed in adjacent spans when calculating the 90%(Truck Pair + Lane) load case

38. BRDRSUP-1063 - Zero Av reported in Spec Check Summary

39. BRDRSUP-1064 - BARS import does not open bridge workspace

40. BRDRSUP-1067 - Multi-span RC bridge uses wrong LL shear for left of some interior supports

41. BRDRSUP-1069 - Bridge ran in 6.6.o and not in 6.7.1 or 6.8

42. BRDRSUP-1075 - AASHTO LFR engine is requiring initial loss for MCB LFR rating with lump sum loss

43. BRDRSUP-1076 - 'Static' label appears on the 'Library-Factors-LFD' dialog

44. BRDRSUP-1078 - Error saving bridge models in version 6.8.0

45. BRDRSUP-1079 - Shear LLDF for Interior Beams in Type f or g (Article 4.6.2.2.3a)

46. BRDRSUP-1081 - Failed to reset RC Change Point Generations settings! Error

47. BRDRSUP-1082 - 6.8 Rating crashes while logging in

48. BRDRSUP-1083 - Cover plate copy doesn't show until window is reopened.

49. BRDRSUP-1084 - Error in LLDF Calculation using 1994 Guide Specs

50. BRDRSUP-1087 - PS Design Tool - Composite or not?

51. BRDRSUP-1093 - Error saving bridge after import

52. BRDRSUP-1095 - Not able to run DL only analysis for MCB (using LFD or LRFR)

53. BRDRSUP-1103 - Location of leftmost void in an RC Slab System with voids is reported incorrectly in LFD 8.16.3

54. BRDRSUP-1107 - Increase the limit of characters for the truss input window

55. BRDRSUP-1152 - Incorrect cross section area for PS Tee-beam