FBLRFD Revision History / Pending Revisions

This page was last updated on:   April 18, 2007

Current Production Version 1.1.0.0,  Current Test Version 1.1.2.0

Revision No. Description Date Logged Status
266 Create RULES.INI file 04/04/2007 open
265 Crash When No Contraflexure Points Exist 02/09/2007 open
264 Crash in GTINFEF with symmetrical floorbeam 02/08/2007 v1.1.0.0
263 Relink with latest LICENSE.FOR 02/01/2007 v1.1.0.0
262 BETA TEST COMMENT: Update FBLRFD to IVF 9.1 01/10/2007 v1.1.0.0
261 BETA TEST COMMENT: Percent increase in special live loads when floorbeam spacing < 6 ft 01/10/2007 v1.1.0.0
260 BETA TEST COMMENT: Update User's Manual and configuration files 12/27/2006 v1.1.0.0
259 BETA TEST COMMENT: Update user's manual sections 3.5 and 3.6.2 12/14/2006 v1.1.0.0
258 Update RUN.INI file 12/08/2006 v1.1.0.0
257 BETA TEST COMMENT: Should rt be showing up on flexural capacity output reports 12/04/2006 v1.1.0.0
256 BETA TEST COMMENT: Do live load reactions include impact 12/04/2006 v1.1.0.0
255 BETA TEST COMMENT: Problem with concentrated FWS and PFWS loads 10/09/2006 v1.1.0.0
254 Continue Input Range Checking for Remainder of Input Line After Error 09/25/2006 v1.1.0.0
253 Convert DIGITAL/PADIGITAL to INTEL/PAINTEL 04/19/2006 v1.1.0.0
252 Change first axle of ML-80 vehicle to 13.68 kips 01/18/2005 open
251 Application of multiple presence adjustment factor to Imbsen equations 12/05/2005 open
250 Increase number of special vehicle axles to 80 11/18/2005 open
249 Implement changes to allow for input lines > 256 characters 11/15/2005 v1.1.0.0
248 Intel Visual Fortran program conversion 09/13/2005 v1.1.0.0
247 Program crash with transverse stiffener spacing of 0.0 08/19/2005 v1.1.0.0
246 Program crash when printing deflection limits with pedestrian load 08/18/2005 v1.1.0.0
245 Do not include an ARB command when using EngAsst (STREV234) 08/09/2005 open
244 2000 DM-4 Changes: ST-26 New criteria for longitudinal stiffeners (STREV169) 08/09/2005 open
243 Inconsistency between User's Manual and program for FCL command 08/09/2005 v1.1.0.0
242 Fatigue Life command concerns 08/09/2005 open
241 Change lower limits of dynamic load allowances to 1.0 07/19/2005 open
240 Trapezoidal loads not mirrored correctly for symmetrical runs 05/31/2005 open
239 TK527, ML80 and special live load gross vehicle weights 05/24/2005 open
238 Incorporate CBA 3.5.0.1 03/24/2005 v1.1.0.0
237 Minor user's manual revisions (STREV300) 03/11/2005 open
236 Program crashes with SLS command in varying depth range (STREV299) 03/11/2005 open
235 Incorrect rating tonnage reported for special live load (STREV298) 03/11/2005 open
234 2000 DM-4 Change: Remove 1.0 limit from 6.10.7.3.3b-3 (STREV297) 03/11/2005 open
233 2000 DM-4 Change: Report service limit state moment capacity in terms of stress (STREV296) 03/11/2005 open
232 SAL command needs room for 24 axles (STREV295) 03/11/2005 open
231 Increase limit on CLD commands in User's Manual and EngAsst (STREV294) 03/11/2005 open
230 Issues with DEAD LOAD WEB FLEXURAL STRESS LIMITS output report (STREV291) 03/11/2005 open
229 Source code changes for 1998 AASHTO/2000 DM-4 (STREV290) 03/11/2005 open
228 Constructibility Checks (STREV288) 03/11/2005 open
227 Change lower limit on dynamic load allowance to 1.0 (STREV285) 03/11/2005 open
226 How is fatigue stress range calculated (STREV284) 03/11/2005 open
225 Question about how to enter ADTT(single lane) (STREV282) 03/11/2005 v1.1.0.0
224 For design of a new bridge can fatigue resistance only be checked (STREV281) 03/11/2005 open
223 Prime removed from fatigue category with EngMgr (STREV279) 03/11/2005 open
222 Cannot enter negative value for SHO command, parameter 6 (STREV278) 03/11/2005 open
221 Revise SLS command documentation (STREV275) 03/11/2005 open
220 Final Beta testing comments (STREV274) 03/11/2005 open
219 Section loss on web not taken into account for capacity (STREV272) 03/11/2005 open
218 Program crash (STREV264) 03/11/2005 open
217 Program requires input for Strength-IP load factor (STREV263) 03/11/2005 open
216 Final set of beta test comments (STREV262) 03/11/2005 open
215 Updates to SPECIFICATION CHECK WARNING table (STREV261) 03/11/2005 open
214 Updates to weld design calculations (STREV260) 03/11/2005 open
213 FBLRFD v1.0 Checking of D6.10.3.2.4.2P (STREV258) 03/11/2005 open
212 Question about fatigue stresses (STREV256) 03/11/2005 open
211 Endless loop when computing plastic capacity (STREV254) 03/11/2005 open
210 Asterisks printing for rating factors (STREV253) 03/11/2005 open
209 Low shear capacity at abutment 1 (STREV251) 03/11/2005 open
208 Change upper limit on FTG command to warning rather than error (STREV249) 03/11/2005 open
207 Update default fields for STLRFD EngAsst Runs (STREV245) 03/11/2005 open
206 Update help description for GEO command (STREV244) 03/11/2005 open
205 Shear Connector Minimum Pitch (STREV243) 03/11/2005 open
204 Varying depths can not entered in succession and linear varying depth range considered as costant (STREV240) 03/11/2005 open
203 FBLRFD reports a resistance of 0.0ft-kips for the STR-IV load combination (STREV238) 03/11/2005 open
202 Incorporate BSP v1.5 (STREV235) 03/11/2005 open
201 Add version resource information to DLL and EXE and retrieve it (STREV233) 03/11/2005 open
200 Nonsymmetrical total factored moment results with parabolically varying web depth (STREV232) 03/11/2005 open
199 Addition of analysis point (via UDA) changes program results (STREV231) 03/11/2005 open
198 Print (unlicensed) when no license number is assigned (STREV227) 03/11/2005 open
197 Adding Long File Names To LRFD programs (STREV226) 03/11/2005 open
196 Span length tolerance problem (STREV222) 03/11/2005 open
195 Comments on User's Manual (STREV221) 03/11/2005 open
194 Array out of bounds error in STGSTIF (STREV219) 03/11/2005 open
193 Divide by zero error in SPC017 (STREV218) 03/11/2005 open
192 Crash in FTGSTRS (STREV215) 03/11/2005 open
191 Incorrect values computed for web buckling (STREV214) 03/11/2005 open
190 FBLRFD backup input files parsed with EngMgr/EngAsst (STREV213) 03/11/2005 open
189 Comments on EngAsst sketches (STREV212) 03/11/2005 open
188 Comments on User's Manual and configuration files (STREV210) 03/11/2005 open
187 Inconsistency between user's manual and PD description (STREV209) 03/11/2005 open
186 Program crashes for Live Load D case ( P-82 ) (STREV208) 03/11/2005 open
185 Contradictory information on FATIGUE RESISTANCE and FATIGUE LIFE output reports (STREV207) 03/11/2005 open
184 Manual & .PD files update (STREV204) 03/11/2005 open
183 Question about fatigue resistance computation and distribution factor for exterior girder (STREV203) 03/11/2005 open
182 Add Service-I to factored reaction table to check for uplift (STREV202) 03/11/2005 open
181 Question about running with SHO command (STREV201) 03/11/2005 open
180 'NO BEARING STIFFENER DEFINED HERE' message appears in output even though stiffener is defined (STREV199) 03/11/2005 open
179 Revise user's manual for ADTTsl definition (STREV198) 03/11/2005 open
178 Question about web compression failure for construction stages (STREV196) 03/11/2005 open
177 Question about mandatory bearing stiffeners at points of concentrated load (STREV195) 03/11/2005 open
176 Remove references to FBLRFD.DBG (STREV193) 03/11/2005 open
175 Simplified output requests (STREV190) 03/11/2005 open
174 User provided input files causing version 1.2 of the program to crash (STREV188) 03/11/2005 open
173 2000 DM-4 Changes: ST-22 Review of reorganized A6.10.4.1.9 (STREV187) 03/11/2005 open
172 2000 DM-4 Changes: ST-20 Review of reorganized A6.10.4.1.7 (STREV186) 03/11/2005 open
171 2000 DM-4 Changes: ST-19 New article about slenderness (STREV185) 03/11/2005 open
170 2000 DM-4 Changes: ST-18 New article for compact section determination (STREV184) 03/11/2005 open
169 2000 DM-4 Changes: ST-17 Determine whether Q formulae are applicable (STREV183) 03/11/2005 open
168 2000 DM-4 Changes: ST-16 Review of reorganized A6.10.4.1.4 (STREV182) 03/11/2005 open
167 2000 DM-4 Changes: ST-15 Review of reorganized A6.10.4.1.3 (STREV181) 03/11/2005 open
166 2000 DM-4 Changes: ST-14 Review of reorganized A6.10.4.1.2 (STREV180) 03/11/2005 open
165 2000 DM-4 Changes: ST-13 Classification as compact/noncompact (STREV179) 03/11/2005 open
164 2000 DM-4 Changes: ST-12 Allow steels with fy greater than 50 ksi (STREV178) 03/11/2005 open
163 Update to bearing stiffener calculations (STREV175) 03/11/2005 open
162 2000 DM-4 Changes: ST-30 Changes to manual (STREV174) 03/11/2005 open
161 2000 DM-4 Changes: ST-29 Constructibility criterion for longitudinal stiffeners (STREV173) 03/11/2005 open
160 2000 DM-4 Changes: ST-28 Maximum compressive stress in compression flange w/o longitudinal stiffen (STREV160) 03/11/2005 open
159 2000 DM-4 Changes: FB-23 Maximum compressive elastic flexural stress in compression flange (STREV171) 03/11/2005 open
158 2000 DM-4 Changes: ST-25 New definitions of variables (STREV168) 03/11/2005 open
157 2000 DM-4 Changes: ST-24 Flexural resistance of compression flanges for noncomposite sections (STREV167) 03/11/2005 open
156 2000 DM-4 Changes: ST-23 Checks for flexural resistance of compression flange (STREV166) 03/11/2005 open
155 2000 DM-4 Changes: ST-11 Changes for web fatigue stress limit (STREV165) 03/11/2005 open
154 2000 DM-4 Changes: ST-10 Computation of web compression distance Dc (STREV164) 03/11/2005 open
153 2000 DM-4 Changes: ST-9 Changes to web slenderness require for longitudinally stiffened girders (STREV163) 03/11/2005 open
152 Updated deflection calculations (STREV155) 03/11/2005 open
151 Changed files for BSP and CBA (STREV152) 03/11/2005 open
150 Sign convention for shear values (STREV151) 03/11/2005 open
149 Region around pier incorrectly identified as unstiffened (STREV149) 03/11/2005 open
148 Eliminate runtime warnings from example input files 03/08/2005 v1.1.0.0
147 SAL command needs room for 24 axles (STREV295) 01/05/2005 open
146 Inconsistency between transverse stiffener and shear capacity outputs 11/17/2004 v1.1.0.0
145 Prime removed from fatigue category with EngMgr 09/14/2004 open
144 Different gross section properties for section loss vs. no section loss 09/09/2004 open
143 Automatically update date and time for PD file 08/23/2004 v1.1.0.0
142 Stringer distributed load being ignored 08/11/2004 open
141 Incorrect area of angle transverse stiffeners 07/21/2004 open
140 Incorrect moment of inertia for angle transverse stiffener 07/21/2004 open
139 Cannot enter fatigue points on left overhang and can only enter 20 fatigue points 07/16/2004 v1.1.0.0
138 Add caption text to EngAsst image files 07/14/2004 v1.1.0.0
137 Equations in User's Manual print as dots 06/29/2004 v1.1.0.0
136 Program does not work with SLS commands 06/29/2004 v1.1.0.0
135 Fix RECORDS.INI to correctly allow FCL, FDL, SCL and SDL loads 06/21/2004 v1.1.0.0
134 Crash due to SLS command 06/18/2004 v1.1.0.0
133 Check if any temporary files are made, and if so, create them in the TEMP directory instead 05/24/2004 open
132 Program crashes with transverse stiffeners on left overhang 04/09/2004 v1.1.0.0
131 Program stops with cryptic input warnings 03/31/2004 open
130 Endless loop when computing plastic capacity 03/29/2004 open
129 Program errors out with SLC command when number of stringers defined is 18 03/10/2004 v1.1.0.0
128 Program crashes with array bound exceeded program exception 03/10/2004 v1.1.0.0
127 Floorbeam cannot extend past overhang 03/09/2004 open
126 Update to FCL configuration files 03/09/2004 v1.1.0.0
125 Built-up girders always treated as unstiffened 01/12/2004 v1.1.0.0
124 FBLRFD program does not run at all with overhangs 01/12/2004 v1.1.0.0
123 Handle cases with only one sidewalk 12/10/2003 open
122 Program crashes when using transverse stiffeners 12/05/2003 open
121 Crash when using BRP command 11/26/2003 open
120 Allow consecutive ranges of increasing web depth 11/10/2003 v1.1.0.0
119 SDL command cannot be repeated correctly 11/10/2003 open
118 SLS command not being read correctly by program 11/10/2003 v1.1.0.0
117 Change lower limit for plate thickness 11/10/2003 open
116 Allow for different size angles at top and bottom of web for built up sections 11/10/2003 open
115 Add input item for gap between web plate and flange plate for built up sections 11/10/2002 open
114 Compile FBLRFD v1.0 using Compaq Visual Fortran for Windows XP Compatibility 03/11/2003 v1.1.0.0
113 Concentrated dead load at supports being ignored (STREV147) 07/03/2002 open
112 Question about rating factors printing as asterisks (STREV146) 07/03/2002 open
111 Revisions to User's Manual for new CBA load conditions (STREV145) 07/03/2002 open
110 Specification Check Failures for Compact Sections (STREV144) 07/03/2002 open
109 P-82 Loading in STLRFD (STREV140) 07/03/2002 open
108 Program abort in STL002 (STREV139) 07/03/2002 open
107 Revise method of computing minimum factored reactions (STREV136) 07/03/2002 open
106 Use of constructibility criterion when computing shear capacity (STREV134) 07/03/2002 open
105 Incorporate BSP version 1.4 (STREV133) 07/03/2002 open
104 Fix SID command for current APRAS requirements (STREV132) 07/03/2002 open
103 Sections marked as noncompact after minor input change (STREV131) 07/03/2002 open
102 Incorrect shear connector output when interior span has no contraflexure points (STREV130) 07/03/2002 open
101 Ratings less than 1.0 do not have an asterisk in Rating Failures column (STREV129) 07/03/2002 open
100 Question about application of MC1 and minimum load factors for it (STREV127) 07/03/2002 open
099 Question about calculation of lambda for fatigue calculations (STREV126) 07/03/2002 open
098 Program crashes in ISSTIFF with array out of bounds error for given input files (STREV124) 07/03/2002 open
097 Add TK-527 vehicle to STLRFD after CBA is updated (STREV122) 07/03/2002 open
096 Add separate impact value for P82 vehicle (STREV120) 07/03/2002 open
095 Section loss not being accounted for on top flange of rolled beam (STREV119) 07/03/2002 open
094 Low shear ratings because maximum moments and shears are being used together (STREV118) 07/03/2002 open
093 Hybrid girders where the web strength is greater than the flange strength be handled (STREV117) 07/03/2002 open
092 Add the capability for the program to design the web-to-flange splice (STREV116) 07/03/2002 open
091 Question about remaining fatigue life calculations (STREV115) 07/03/2002 open
090 Should Mr reported at a splice location be limited to noncompact section capacity (STREV114) 07/03/2002 open
089 Question about sign convention for shear (STREV113) 07/03/2002 open
088 Service limit states should not apply to the SHEAR CAPACITY output report (STREV112) 07/03/2002 open
087 Multiple presence adjustment factor not being applied for factored results (STREV111) 07/03/2002 open
086 Program crashes with an array out of bounds error in CDLPOC (STREV086) 07/03/2002 open
085 Crash when SHO command used (STREV109) 07/03/2002 open
084 Stresses on the FACTORED ANALYSIS RESULTS table (STREV108) 07/03/2002 open
083 Minor revisions to User's Manual (STREV107) 07/03/2002 open
082 Program stops with an error under older version (STREV106) 07/03/2002 v1.1.0.0
081 Deck being effective over the entire length of the bridge (STREV104) 07/03/2002 open
080 If 0.0 reinforcement is entered over the pier is section considered noncomposite (STREV101) 07/03/2002 open
079 Question about what TOP S/R means (STERV100) 07/03/2002 open
078 Confusion about the symmetry of the PLATE GIRDER PROPERTIES output report (STREV099) 07/03/2002 open
077 Question about Duct. Factor system settings (STREV097) 07/03/2002 open
076 Are all axles included at all times for the P-82 vehicle? 05/15/2002 open
075 Program does not allow values < 0 on the FTG command 11/26/2001 v1.1.0.0
074 For certain conditions, results are reported for right sidewalk live load when no right sidewalk is defined. 11/21/2001 open
073 Add separate input for dynamic load allowance for P-82 vehicles as per SOL 431-01-07 10/30/2001 open
072 Manual limits number of fatigue points at 30 but program cannot accept more than 20 09/13/2001 v1.1.0.0
071 Increase the size of some output fields to eliminate "***" in the output (STER031) 08/08/2001 v1.1.0.0
070 Correct issues relating to negative fatigue life remaining 08/07/2001 v1.1.0.0
069 Add note to the Stress Flexural Capacity output report to indicate that the bottom flange stress reduction due to wind effects has been subtracted from the stress resistance for Strength III and Strength V limit states, when applicable (STREV092) 08/07/2002 v1.1.0.0
068 Convert the User's Manual to Microsoft Word 2000 and Adobe Acrobat format. 06/13/2001 v1.1.0.0
067 Check that the program is using the correct section when computing stresses in a varying section (STREV095) 06/13/2001 open
066 Convert FBLRFD to work with APRAS/ABAS (STREV093) 06/13/2001 v1.1.0.0
065 Check the live load reactions with sidewalk (STREV089) 06/13/2001 open
064 Check the computation of the dead load flexural stress limits for the case where there are two longitudinal stiffeners. (STREV088) 06/13/2001 open
063 Make default values of 1.0 for ductility, redundancy and importance factors. (STREV086) 06/13/2001 open
062 In the calculation of the transverse stiffener checks, take the state of flexure of the beam into account in order to interpret the location of the longitudinal stiffeners correctly. (STER081) 06/13/2001 open
061 Veriy the program is computing values on the web compressive stress check properly (STER079) 06/13/2001 open
060 Allow the user to enter web depths manually in a varying range (STER078) 06/13/2001 open
059 Check that the program will run if a deck thickness of 0.0 is entered (STER067) 06/13/2001 v1.1.0.0
058 Check the final parameter on the SLL command (percent increase) is being used if entered (STER066) 06/13/2001 v1.1.0.0
057 Check that correct moments are being used for Cb calculation for uncured slab checks (STER065) 06/13/2001 v1.1.0.0
056 Make sure compression flange buckling is being checked for the uncured slab check (STER064) 06/13/2001 v1.1.0.0
055 Investigate to determine how the FBLRFD checks the capacity of the girder based on the deck concrete capacity (STER060) 06/13/2001 open
054 Resolve a contradiction between the Shear Capacity and Uncured Slab Web Specification Check output reports (STER056) 06/13/2001 v1.1.0.0
053 Add rt and Dc to program output for flexural calculations (STER054) 06/13/2001 v1.1.0.0
052 Limit stress resistances to the yield stress of the steel (STER046) 06/13/2001 v1.1.0.0
051 Rearrange failure code and information columns on uncured slab shear calculation table (STER045) 06/13/2001 v1.1.0.0
050 Report compression flange buckling stress as the stress capacity of the section (STER042) 06/13/2001 v1.1.0.0
049 Fix web length output if asterisks appear in the output (STER040) 06/13/2001 v1.1.0.0
048 Create a short output option (STER049) 06/13/2001 open
047 Revise error messages for excessive CLD command to make more clear (STER027) 06/13/2001 v1.1.0.0
046 Use LDF load factors to determine limit state applicability for special live loads (STER025) 06/13/2001 v1.1.0.0
045 Revise the program to use user input load factors for special live loads (STER024) 06/13/2001 v1.1.0.0
044 Revise the method to determine whether a section is in positive or negative flexure - check flange stress (STER023) 06/13/2001 v1.1.0.0
043 Update shear connector design for BC-753M (STER022) 06/13/2001 v1.1.0.0
042 Update User's Manual to document varying web depths input (STER019) 06/13/2001 v1.1.0.0
041 Add clarifications for bearing versus transverse stiffeners (STER018) 06/13/2001 v1.1.0.0
040 Apply consistent criteria to determine if a point is stiffened or not (STER017) 06/13/2001 v1.1.0.0
039 Update program to adjust Live Load Output table formatting (STER016) 06/13/2001 v1.1.0.0
038 Allow transverse stiffeners for built-up sections and handle properly (STER013) 06/13/2001 v1.1.0.0
037 Add column indicating stiffened or unstiffened for transverse stiffener output tables (STER012) 06/13/2001 v1.1.0.0
036 Change the lower limit on recent count ADTT to 1 rather than 0 (STER006) 06/13/2001 v1.1.0.0
035 Handle the case where the beam is symmetrical and only braced at the endpoints (STER001) 06/13/2001 v1.1.0.0
034 Allow built-up sections with no flange plates, angles only  (STER000) 06/13/2001 v1.1.0.0
033 Revise User Manual to clarify program-defined lanes lanes are not permitted with the LLA command 06/13/2001 v1.1.0.0
032 Fixed shear rating calculations  06/12/2001 v1.1.0.0
031 Fixed shear capacity calculations for built-up sections 05/29/2001 v1.1.0.0
030 Fixed reaction calculations on floorbeams less than 6 feet apart, US units only. 05/25/2001 v1.1.0.0
029 AASHTO Section A6.10.6.3  -  Revise equations for determining max. compressive elastic flexural stress in the compression flange for webs without longitudinal web stiffeners. 05/08/2001 open
028 AASHTO Section A6.10.5.2  -  Revise equations for moment redistribution following elastic analysis 05/08/2001 open
027 DM-4 Section D6.10.4.3.2  -  Revise equations for computing load shedding factor, Rb. 05/08/2001 open
026 AASHTO Section A6.10.4.3.1c  -  Review definition of A-sub-tf and f-sub-fl 05/08/2001 open
025 AASHTO Section A6.10.4.2.6a   -  Revise equations for checking flexural resistance of compression flanges for non-composite sections based upon lateral torsional buckling. 05/08/2001 open
024 AASHTO  Section A6.10.4.2.5a  -  Revise applicable ranges of Lb for flexural resistance of compression flange for composite sections based  upon lateral torsional buckling. 05/08/2001 open
023 DM-4 and AASHTO Section 6.10.4 and subsections  -  Revise program to use new flowcharts 05/08/2001 open
022 DM-4  Section D6.10.3.6  -  New equations for effective section for members with tension flange holes 05/08/2001 open
021 DM-4  Section D6.10.3.2.2-P  -  Revise user manual notation f-sub-bw change to f-sub-cw 05/08/2001 open
020 AASHTO Section AC6.10.3.1.4  -  Revise method of computing depth of web in compression at elastic moment 05/08/2001 open
019 DM-4  Section D.6.10.2.2  -  Revision to web slenderness requirements for longitudinally stiffened girders 05/08/2001 open
018 AASHTO Section AC4.6.2.2.3a-1  -  Enhance program to support 3 girder bridge increase range of applic. for L 05/08/2001 open
017 AASHTO Section AC4.6.2.2.1  -