This page was last updated on: July 02, 2008
Current Production Version 2.0.0.0
| Revision No. | Description | Date Logged | Status |
| 163 | Update PENNDOT Bureau Name in User Manual | 06/05/2008 | open |
| 162 | Remove [prod] and [test] sections from RUN.INI | 06/05/2008 | open |
| 161 | BXLRFD v1.4.1.0 Beta Test Comments | 03/18/2008 | v2.0.0.0 |
| 160 | EngAsst doesn't allow 3rd wall on WLR command | 03/18/2008 | v2.0.0.0 |
| 159 | Single Axle SLL | 03/18/2008 | open |
| 158 | Divide by zero error related to Alpha on the MAT command | 03/13/2008 | open |
| 157 | Minimum Design Slab Thickness Issue | 03/11/2008 | open |
| 156 | Offest on SID Command Errors When Zero | 03/03/2008 | open |
| 155 | Application of Parpaet Load on a Culvert | 02/13/2008 | open |
| 154 | Shear Design table shear cpacity output issue | 12/21/2007 | v2.0.0.0 |
| 153 | Bottom Slab thickness when Fish channel is present | 12/18/2007 | v2.0.0.0 |
| 152 | Frame Culvert Run Crashes Program | 11/12/2007 | open |
| 151 | Fish channel negates wall concrete dead load | 10/31/2007 | v2.0.0.0 |
| 150 | Strip Footing Moment Calculation Question | 06/07/2007 | open |
| 149 | Dead Load Foundation Pressure Shows One Limit State | 03/15/2007 | v2.0.0.0 |
| 148 | Serviceability Summary Flags Code Failure but Serviceability Table Shows None | 03/07/2007 | v2.0.0.0 |
| 147 | Crack Control Assumption User Manual Change | 02/16/2007 | v2.0.0.0 |
| 146 | Service Reinforcement Stress Question | 01/05/2007 | v2.0.0.0 |
| 145 | GNDLL Debug Routine Revisions | 12/22/2006 | v2.0.0.0 |
| 144 | LDC Parameter 2 UM wording conflicts with program | 12/21/2006 | v2.0.0.0 |
| 143 | Run.ini Test Path Change | 11/29/2006 | v2.0.0.0 |
| 142 | Lane Load still enveloped for Top Slab for Thru Fill Loading | 10/17/2006 | v1.4.0.0 |
| 141 | Special Axle Loads Input Summary Issue | 10/17/2006 | v2.0.0.0 |
| 140 | TK527 Vehicle Question | 10/17/2006 | closed |
| 139 | BXLRFD User Manual Corrections | 10/12/2006 | v1.4.0.0 |
| 138 | BXLRFD User Manual Chapter 4 Changes | 10/10/2006 | v1.4.0.0 |
| 137 | Special Live Load Includes Percent Increase in Gross Vehicle Weight | 10/05/2006 | v1.4.0.0 |
| 136 | Crack Control User Manual Revision | 10/02/2006 | v1.4.0.0 |
| 135 | P-82 Live Load Analysis Question | 10/02/2006 | v1.4.0.0 |
| 134 | Live Load Distribution Question | 10/02/2006 | v1.4.0.0 |
| 133 | BXLRFD User Manual Review Comments | 09/27/2006 | v1.4.0.0 |
| 132 | BXLRFD User Manual Address Correction | 09/27/2006 | v1.4.0.0 |
| 131 | TK527 Axle weights are not correct | 09/27/2006 | v1.4.0.0 |
| 130 | Input parameter check revision | 09/01/2006 | v1.4.0.0 |
| 129 | Add POI to Strip Footing | 08/28/2006 | open |
| 128 | Footing POI Location Issue | 07/27/2006 | v1.4.0.0 |
| 127 | Corresponding Response Value In Construction Limit State for Strip Footing Issue | 06/09/2006 | open |
| 126 | Convert DIGITAL/PADIGITAL to INTEL/PAINTEL | 04/26/2006 | v1.4.0.0 |
| 125 | Multi-Cell Live Load Distribution Issue | 03/22/2006 | v1.4.0.0 |
| 124 | New Live Load Distirubtion Equations | 03/09/2006 | v1.4.0.0 |
| 123 | New Crack Control Equations | 03/01/2006 | v1.4.0.0 |
| 122 | One side reinforcement controls Max T&S spacing for both sides of wall/slab | 02/09/2005 | v1.4.0.0 |
| 121 | Update Chapter 2 Design Truck Diagram | 12/09/2005 | v1.4.0.0 |
| 120 | Increase number of special vehicle axles to 80 | 11/12/2005 | V2.0.0.0 |
| 119 | Implement changes to allow for input lines > 256 characters | 11/17/2005 | v1.4.0.0 |
| 118 | Intel Visual Fortran program conversion | 09/13/2005 | v1.4.0.0 |
| 117 | Fatigue Dynamic Live Load Allowance Lower Limit Change | 08/03/2005 | v2.0.0.0 |
| 116 | No 'Shear Design' parameter documented in User Manual OUR Command | 06/10/2005 | v1.3.0.5 |
| 115 | Remove ALL Stop Statments from BXLRFD | 06/02/2005 | open |
| 114 | Make BXLRFD compatible with ABREV180 IAIGNDLL changes | 05/27/2005 | v1.4.0.0 |
| 113 | BXLRFD Seismic Consideration Question | 05/25/2005 | closed |
| 112 | Rating Tonnage Calculation Adjustment | 05/18/2005 | v1.4.0.0 |
| 111 | APRAS Run with ML-80 Vehicle and Load Code C Analysis Run Produce Different Ratings | 05/06/2005 | v1.4.0.0 |
| 110 | Shear Reinforcement Warning Issue | 03/31/2005 | v1.4.0.0 |
| 109 | Remove all Warning Messages from Example Problems | 03/08/2005 | v1.4.0.0 |
| 108 | SAL command 256 character limit | 11/23/2004 | v1.4.0.0 |
| 107 | Automatic Update for PD file time and date changes with XP | 08/05/2004 | v1.4.0.0 |
| 106 | Update Chapter 9 with new contact information | 07/21/2004 | v1.4.0.0 |
| 105 | Add caption text to EngAsst image files | 07/19/2004 | v1.4.0.0 |
| 104 | Revise PennDOT LRFD Website to remove e-Notifications regarding fixed Revision. | 06/28/2004 | closed |
| 103 | Make config files ENGMGR compatable | 06/08/2004 | v1.4.0.0 |
| 102 | Create temp files to TEMP variable location | 06/01/2004 | v1.4.0.0 |
| 101 | Compiled User Manual Changes | 05/27/2004 | v1.4.0.0 |
| 100 | Shear Design vs. Analysis Issues | 05/27/2004 | closed |
| 099 | Fatigue Limit State ELAT not being calculated correctly | 05/14/2004 | v1.3.0.5 |
| 098 | Manual ELAT input for testing purposes | 05/11/2004 | v1.3.1.0 |
| 097 | BXLRFD V1.3.0.4 - Test Comments | 04/22/2004 | v1.3.0.5 |
| 096 | Small clear-span errors out the program | 04/09/2004 | v1.3.0.5 |
| 095 | BXLRFD 1.3.0.3 - Test Comments | 03/22/2004 | v1.3.0.5 |
| 094 | BXLRFD DLL Conversion | 03/15/2004 | v1.4.0.0 |
| 093 | No Crack Control Stresses for Analysis Run | 02/20/2004 | v1.3.0.5 |
| 092 | Reinforcement Input Cards during Design Run Documentation Discrepancy | 02/04/2004 | v1.3.0.5 |
| 091 | Serviceability Issues Related to e-Notificaiton BXLRFD No. 002 | 01/27/2004 | v1.3.0.5 |
| 090 | Elat Output Report Development | 12/02/2003 | v1.3.0.5 |
| 089 | Crack Width Parameter Discrepancy | 11/26/2003 | v1.4.0.0 |
| 088 | Short Segment Length Precast Section Rating | 11/20/2003 | open |
| 087 | .ANN file missing information | 11/10/2003 | open |
| 086 | Long Filename Support | 11/07/2003 | v1.3.1.0 |
| 085 | D negative value in Shear Reinforcement Calculations Question | 10/31/2003 | v1.3.0.5 |
| 084 | Conflicting Rating Tonnage between Load Coade and Special Live Load | 10/31/2003 | v1.3.0.5 |
| 083 | Comparison of Chapter 8 to Example Files | 10/20/2003 | v1.3.0.5 |
| 082 | Cracked Section causes drop in Allowable Crack Control Stress | 07/09/2003 | v1.3.0.5 |
| 081 | Shear Region Tolerence Issue | 07/01/2003 | v1.4.0.0 |
| 080 | Crack Control Does not Pass from Design to Analysis Run | 06/30/2003 | v1.3.0.5 |
| 079 | Question Shear Reinforcement At Midspan of Top Slab | 04/01/2003 | v1.3 |
| 078 | EV use in Construction Limit State | 03/27/2003 | v1.4.0.0 |
| 077 | BXLRFD v1.3.3 Test Comments | 04/23/2003 | v1.3 |
| 076 | Non-Standard Fish Channel w/ Haunches causes Errors | 12/10/2002 | v1.3 |
| 075 | Modifiy OUI Output to provide more meaningful Heading Information | 04/14/2002 | open |
| 074 | Metric and US Designs not Matching | 08/09/2002 | v1.3 |
| 073 | Clarifiy "Shear Region Out of Range" error message | 06/06/2002 | closed |
| 072 | BXLRFD Live Load Distribution for Shear | 08/06/2002 | v1.3 |
| 071 | BXLRFD v1.3.2 Test Comments | 06/21/2002 | v1.3 |
| 070 | Prepare BOX 5 vs. LRFD Comparison Information | 06/17/2002 | v1.3 |
| 069 | Revise Shear Evaluation Locations | 06/13/2002 | v1.4 |
| 068 | Program out of memory errors when span and height of fill are increased | 05/28/2002 | v1.3 |
| 067 | F'c Error message Clarification | 04/17/2002 | open |
| 066 | Volume of Concrete Verification | 04/11/2002 | v1.3 |
| 065 | Apply AASHTO Section 12.11.4.3.2 | 04/04/2002 | open |
| 064 | Verify P-82 Loading in LRFD Programs is treated as a notional load | 03/29/2002 | closed |
| 063 | Investigate Question Regarding Parameter 9 of the SLL Command | 03/14/2002 | v1.3 |
| 062 | Modify Default ETA Factors | 03/06/2002 | v1.4.0.0 |
| 061 | SID command modification for APRAS | 02/06/2002 | v1.4.0.0 |
| 060 | Revise program to eliminate Dynamic Live Load Allowance for bearing pressure calculation. | 01/03/2002 | v1.3 |
| 059 | Revised User Manual to properly document the lateral distribution for Precast culverts under 2' of fill | 11/07/2001 | v1.3 |
| 058 | Add TK527 Truck Load and use when ML-80 is used. | 11/02/2001 | v1.4.0.0 |
| 057 | Added new CTL input item for the Maximum Impact Factor for the P-82 Truck Load | 10/26/2001 | v1.3 |
| 056 | Revised Maximum Temperature and Shrinkage Spacing to 12" for #4 bars and 18" for larger bars. | 10/23/2001 | v1.3 |
| 055 | Revised program to recognize negative rating values indicate a failure. | 10/09/2001 | v1.3 |
| 054 | Revised User Manual Limit State Table to clarify which limit states the program uses. | 09/13/2001 | v1.3 |
| 053 | Replace Memory Manager used in the program with structure statements. | 08/31/2001 | open |
| 052 | Add shear region geometry checks and warnings to the program Analysis runs when a single bar is used. | 08/09/2001 | open |
| 051 | Revise headings in the OUI file to be more meaningful. | 08/13/2001 | open |
| 050 | Revised User Manual TVA and BVA command shear steel information to be consistent with the program. | 08/01/2001 | v1.3 |
| 049 | Revised how program calculates section properties for the haunch when a shear region extends into it. | 07/16/2001 | v1.3 |
| 048 | Revised program to use average fill height to identify which shear equations to use and then to use the value in the shear equations. | 07/26/2001 | V1.3 |
| 047 | Added new Serviceability Table to program output for Analysis Runs to check serviceability of rebars | 07/10/2001 | v1.3 |
| 046 | Investigate why Resistance Demand Ratio's are not printed in OUI file when requested. | 08/06/2001 | open |
| 045 | Revised program to properly compute Required Area of Shear Steel when spacing is entered for an Analysis Run | 07/05/2001 | v1.3 |
| 044 | Revise User Manual to describe how the program locates the shear regions. | 06/26/2001 | v1.3 |
| 043 | Investigate printing flexural rebar sizes and spacings computed for shear reinforcement calculations | 06/08/2001 | v1.3 |
| 042 | Added History file option to see design iteration details for debugging purposes. | 05/18/2001 | v1.3 |
| 041 | DM-4 Section DC5.8.3.2 - Investigate if this section applies to the program | 05/08/2001 | closed |
| 040 | AASHTO Section AC4.6.2.1.6 - Investigate if this section applies to the program | 05/08/2001 | v1.3 |
| 039 | DM-4 Section DC5.8.2.9P-1 - Revise dv calculation | 05/08/2001 | v1.3 |
| 038 | DM-4 Section 5.8.2.9 - Revise program to calculate shear stress on concrete using equation provided | 05/08/2001 | open |
| 037 | DM-4 Section D5.8.2.7 - Enhance program to calculate shear reinforcement spacing | 05/08/2001 | open |
| 036 | DM-4 Section D3.6.1.2.5 - Revise tire contact area calculation | 05/08/2001 | v1.3 |
| 035 | Revise the program to use the axle weight of 100 kN {25 kips} for a dual tandem to compute neg. moments | 05/08/2001 | v1.3 |
| 034 | Convert program to be compatible with APRAS/ABAS | 05/07/2001 | v1.4.0.0 |
| 033 | Enhance program to enter two concrete densities for modulus of elasticity and dead load calculations. | 04/27/2001 | open |
| 032 | Enhance program to compute shear reinforcement size and spacing. Enhance program to compute total weight of segments for precast culverts. | 02/15/2001 |
v1.3 |
| 031 | Convert user manual to Microsoft Word | 02/13/2001 | v1.3 |
| 030 | Pause the program when the run is complete to prevent the DOS window from closing automatically. | 02/13/2001 | v1.3 |
| 029 | Implment additional compiler settings to prevent the program from performing invalid operations, such as divide by zero. | 02/13/2001 | v1.3 |
| 028 | Add live load option to include ML-80 truck as a design vehicle | 01/23/2001 | v1.3 |
| 027 | Add U-Channel design capability to BXLRFD. Same capability as the BOXCUL LFD program. | 01/05/2001 | v2.0.0.0 |
| 026 | Enhance the program to print ratings in tons like the PSLRFD and STLRFD programs. | 01/11/2001 | v1.3 |
| 025 | Update PENNDOT's address for User Manual Chapter 9 & add contact person e-mail address | 01/11/2001 | v1.3 |
| 024 | Use a different extension (other than .PDF) for parameter definition file | 01/11/2001 | v1.3 |
| 023 | Add a special copyright notice for beta test versions of the program. | 01/02/2001 | v1.3 |
| 022 | Add documentation on how Dynamic Load Allowance (IM) is used in the program. | 01/02/2001 | v1.3 |
| 021 | For box culvert with a bottom slab, sometimes an uplift warning message will appear along with another message advising the user the bearing pressure is an approximation. No instructions are provided to tell the user how to determine the exact bearing pressure. | 11/30/2000 | v1.3 |
| 020 | HL-93 Ratings were not displayed during an Analysis run. | 11/15/2000 | v1.3 |
| 019 | Investigated how the input item "Live Load Distribution Length" is used by the program. No changes were made to the program. | 09/22/2000 | v1.3 |
| 014 | Revised the program output software to make it easier to maintain. | 01/24/2000 | v1.3 |