List of critical and high severity defects identified in STAAD.Pro V22 build 22.00.00.15
| Issue ID | Title | Severity | 1st affected Build | Fixed in Build |
| 930831 | SLC parameters in the AISC N690 Code - SFC, SFT, SMZ and SMY do not appear to be processed correctly. | 2 - High | 20.07.07.19 | 22.01.00.39 |
| 939181 | AISC N690 1994 code takes default STYPE value as 1 whereas it should be 0 | 2 -High | 20.07.06.23 | 22.01.00.39 |
| 979910 | The effective area (Ae) calculation for slender Tube sections is incorrect in the AISC 360-10 code | 2 - High | 20.07.09.31 | 22.01.00.39 |
| 1013687 | Flexural Torsional Buckling Capacity of a Built Up I section with Different Flange Size is not matching with the design manual result. | 2 - High | 21.00.02.30 | 22.01.00.39 |
| 1017619 | Design of Tapered Section as per AISC 360-16 is not considering correct section forces at each section location. | 2 - High | 21.00.02.30 | 22.01.00.39 |
| 1018357 | Incorrect value of flexure capacity reported for Cl.H1 interaction checks for AISC 360-16. | 2 - High | 21.00.02.30 | 22.01.00.39 |
| 1011545 | Wrong axial force (P) reported in IS 456 2000 concrete design routine | 2 - High | 20.00.00.01 | 22.01.00.39 |
| 254014 | Error in deflection check calculation in all design codes | 2 - High | 20.07.00.01 | 22.03.00.28 |
| 255402 | Wind Load on Double angle section | 2 - High | 20.07.00.01 | 22.03.00.28 |
| 639514 | Incorrect Gust Factor Calculations for flexible buildings | 2 - High | 20.07.08.22 | 22.02.00.26 |
| 1009580 | Error in the computation of Plastic Section Modulus (Zx) for User-Provided Table (UPT) wide flange shapes with unequal top and bottom flange dimensions defined in - (a) Wide Flange or (b) I-sections tables. | 1 - Critical | 20.07.00.01 | 22.02.00.26 |
| 1012659 | Force Unit issue in Floor load with Reducible | 2 - High | 20.07.11.82 | 22.02.00.26 |
| 1013172 | ACI 318-2014 - Mismatch in designed member number. | 2 - High | 21.00.02.30 | 22.03.00.28 |
| 1017288 | Problem with AISC 360-16 Slenderness Calculation for HSS Sections | 2 - High | 21.00.02.30 | 22.02.00.26 |
| 1019936 | Interaction ratio reporting error -IS 456 | 2 - High | 20.07.00.01 | 22.03.00.28 |
| 1022151 | AISC 360-16 LRFD - Incorrect Allowable Deflection | 2 - High | 21.00.02.30 | 22.02.00.26 |
| 1022412 | Wind Load: Difference in wind load generation with different input unit | 2 - High | 20.07.00.01 | 22.05.00.131 |
| 1022413 | Earthquake workflow - Metric vs English | 2 - High | 20.07.00.01 | 22.05.00.131 |
| 1022471 | ASCE 10-97 code check reports incorrect Tensile Capacity | 2 - High | 20.07.00.01 | 22.04.00.40 |
| 1024419 | AIJ 2002 and 2005: Default value need to be set for MAIN 0 and TMAIN 0 | 2 - High | 21.00.01.12 | 22.02.00.26 |
| 1024768 | Plate/Strips sections from the Dutch database are not designed by EN1993-1-1:2005 code | 2 - High | 20.07.00.01 | 22.03.00.28 |
| 1025465 | Problem in tension column design in IS:456 Code with METHOD parameter | 2 - High | 20.07.00.01 | 22.02.00.26 |
| 1026785 | Section forces mismatch between post processing and analysis output | 2 - High | 21.03.00.146 | 22.02.00.26 |
| 1027234 | Problem with βw Calculation for Unequal Angles During AISC 360-16 Code Check | 2 - High | 21.00.02.30 | 22.02.00.26 |
| 1028041 | IS 13920 2016 Column Design Issue | 2 - High | 21.03.00.146 | 22.02.00.26 |
| 1028622 | Defect in shear area calculation for Built-up box section | 2 - High | 20.07.00.01 | 22.02.00.26 |
| 1029712 | Russian Wind results incorrect with multiple analysis commands | 2 - High | 21.00.02.43 | 22.02.00.26 |
| 1030434 | AISC 360-16 Code Nominal Shear Strength of HSST Section is not calculated correctly | 2 - High | 21.00.02.30 | 22.02.00.26 |
| 1030667 | Problem with Deflection Check When LOAD SRSS GENERATE Command is Present | 2 - High | 20.07.09.11 | 22.02.00.26 |
| 1030959 | Section Modulus Calculation for Stresses in AISC Unified Code Check is Incorrect For Single Angles | 2 - High | 21.00.02.30 | 22.02.00.26 |
| 1040026 | Fa & Fv not correctly considered according to Tables 11.4.1/11.4.2 when not supplied as input to the program - IBC 2006/2012/2015 | 2 - High | 20.07.04.12 | 22.02.00.26 |
| 1041545 | Design of Single Angles with full LTB restraint to AISC 360-05/10 | 2 - High | 20.07.09.31 | 22.02.00.26 |
| 1042652 | Torsion reports as failure with Ratio of 1.0 per ACI 318-14 | 2 - High | 21.00.02.44 | 22.02.00.26 |
| 1049980 | For calculating Bending Leg local buckling capacity for Unequal Angles as per AISC 360-10, the software is using length of the smaller leg as b | 2 - High | 20.07.11.50 | 22.03.00.28 |
| 1050840 | Pure torsion shear stress as per DG-9 is reported as zero for the AISC 360-05 code | 2 - High | 20.07.10.64 | 22.03.00.28 |
| 1052124 | Pure flexure shear stress is incorrectly calculated for angles designed as per AISC 360-05 and AISC 360-10 design codes, as a part of DG9 code check. | 2 - High | 20.07.10.64 | 22.03.00.28 |
| 1052941 | Concentrated member moment incorrect results diagram | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1057199 | The Cy value input for the User table Tee sections are not used by STAAD.Pro when designing as per the AISC 360-16 code | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1058631 | AIJ 2002 and 2005 - Calculates incorrect Zx values for UPT-General section | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1058714 | Wind Load Generation failing to load structure properly | 2 - High | 20.07.04.12 | 22.04.00.40 |
| 1059225 | Incorrect static wind loading as per Russian 2016 wind load code for Building Structures | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1059242 | Russian static wind load exposure factor issue for SP 20 2016 | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1061506 | Russian steel 2011 code issues | 2 - High | 20.07.11.50 | 22.03.00.28 |
| 1061951 | Russian wind 2016 static load effective height ze. | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1062460 | AIJ 2002 and 2005 - Incorrect Ix value used for UPT I section | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1062461 | AIJ 2002 and 2005 - Calculates Incorrect Zx values for UPT Wide Flange Section | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1062471 | AIJ 2002 and 2005 - Calculates Incorrect Bending Stress, Zy and Iw for UPT Channel Section | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1062537 | AIJ 2002 and 2005 - Incorrect design results for UPT Tee Section | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1062566 | AIJ 2002 and 2005 - Incorrect design results for UPT Asymmetrical Wide Flange Section | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1063041 | IS800-2007 Bending capacity error for unsymmetrical sections | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1065829 | Member Section Forces MX incorrect when concentrated moment applied to member. | 2 - High | 21.00.00.57 | 22.03.00.28 |
| 1067696 | AIJ 2002 and 2005 - Tension Member Issue | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1067883 | SNiP 1985 issues - Incorrect static wind load & OBLIQUE parameter | 2 - High | 20.07.04.12 | 22.03.00.28 |
| 1068121 | Infinity unity ratio reported when tapered Square or I are designed as per AISC 360-16. | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1068762 | Check Code All results for Deflection Check for AISC 360-16 Code are erroneous. | 2 - High | 21.00.02.44 | 22.03.00.28 |
| 1069722 | Width to Thickness Ratio for Pipe Section as per AIJ | 2 - High | 21.03.00.146 | 22.04.00.40 |
| 1070794 | Implement a warning saying that design of Class-4 built up sections is not supported by EN 1993-1-1:2005 code | 2 - High | 20.07.10.64 | 22.04.00.40 |
| 1072277 | AIJ 2002 and 2005 - Calculates incorrect Iw values for Wide Flange UPT section | 2 - High | 21.03.00.146 | 22.04.00.40 |
| 1072280 | AIJ 2002 and 2005 - Calculates incorrect Zy and Iw values for UPT Channel section | 2 - High | 21.03.00.146 | 22.04.00.40 |
| 1072281 | AIJ 2002 and 2005 - Calculates incorrect Zz values for UPT Tee section | 2 - High | 21.03.00.146 | 22.04.00.40 |
| 1074884 | AISC 360-16 reports incorrect deflection check results | 2 - High | 21.00.02.44 | 22.05.00.131 |
| 1075459 | Incorrect web class being reported for a tapered member designed using IS: 800-2007 | 2 - High | 20.07.11.50 | 22.04.00.40 |
| 1077199 | Improper implementation of the Clause 6.1.4 of IS:13920-2016 for the code checking of Beam Members. | 2 - High | 21.03.00.146 | 22.04.00.40 |
| 1080055 | Incorrect Moment capacity calculation as per AS4100-1998 | 2 - High | 20.07.11.90 | 22.05.00.131 |
| 1081390 | Analysis fails to get cold-formed section property data name includes W | 2 - High | 21.00.02.44 | 22.04.00.40 |
| 1081492 | Incorrect Tensile Member Design as per AS4100-1998. | 2 - High | 20.07.11.90 | 22.05.00.131 |
| 1083183 | AISC 360-16 - LTB design of single angles about the principal axis. | 1 - Critical | 21.00.02.30 | 22.04.00.40 |
| 1085903 | Beams having side face reinforcements – fail in design as per ACI 318-14 | 2 - High | 21.00.02.44 | 22.05.00.131 |
| 1085969 | US Coldformed Channel with Lips sections added by user takes wrong properties | 2 - High | 20.07.04.12 | 22.04.00.40 |
| 1086171 | Error in LTB Check as per Canadian S16-14 Code | 1 - Critical | 20.07.11.33 | 22.04.00.40 |
| 1088695 | Incorrect location is taken for some members when cl. 6.2.1(7) of EN 1993-1-1:2005 is checked | 2 - High | 20.07.10.41 | 22.05.00.131 |
| 1088980 | IS:456-2000 - Beam Design - Moment corresponding to SFACE and EFACE command is not correct | 2 - High | 20.07.11.45 | 22.05.00.131 |
| 1089913 | US Coldformed Angle, AngleS, Zee, ZeeS, Hat and Pipe Sections added by user takes wrong properties | 2 - High | 20.07.04.12 | 22.05.00.131 |
| 1090036 | Mass is not calculated correctly when floor diaphragm is assigned to nodes | 2 - High | 20.07.08.22 | 22.05.00.131 |
| 1092819 | EC3: Incorrect Effective Length value for torsion and Total Torsion for Design are considered for code checking | 2 - High | 20.07.07.32 | 22.05.00.131 |
| 1092854 | EC3: Incorrect design of members while checking for the Cl.EC-6.2.1(7) if ELB 1 is specified | 2 - High | 20.07.04.12 | 22.05.00.131 |
| 1093383 | Incorrect Bending Capacity reported for Single Angle as per Canadian Steel Design Code | 1 - Critical | 20.07.11.33 | 22.05.00.131 |
| 1094012 | Incorrect axial compression capacity being calculated as per IS 800 2007 (LSD) | 2 - High | 20.07.06.23 | 22.05.00.131 |
| 1094895 | Adds MASTER NODE to diaphragm created in Physical modeler | 2 - High | 21.00.00.57 | 22.05.00.131 |
| 1095083 | EC3: Incorrect calculation of 'c' for the depth to thickness ratio of Tee section for the section classification in EN 1993-1-1:2005 | 2 - High | 20.07.04.12 | 22.05.00.131 |
| 1097343 | Calculation of Effective Slenderness ratio as per Section E5 is ignored for Single Angle Sections for AISC 360-2016 Code. | 2 - High | 21.00.02.44 | 22.05.00.131 |
| 1098559 | Program reports zero capacities for small load values using CSA S16-01 code | 2 - High | 20.07.04.12 | 22.05.00.131 |
| 1099476 | Incorrect Centre of Rigidity calculation when Rigid diaphragm is defined using JOINT option | 2 - High | 21.03.00.146 | 22.05.00.131 |
| 1100275 | Advanced Cable Analysis - Error in the Section displacements - Y direction | 2 - High | 20.07.11.50 | 22.05.00.131 |
| 1100975 | Slenderness failure is considered incorrectly in AISC 360-10 and 360-05 Codes | 2 - High | 20.07.09.31 | 22.05.00.131 |
| 1101622 | Incorrect Cw Calculation for members with general UPT sections and/or any I-shaped sections for AISC 360-16 design | 2 - High | 21.00.02.44 | 22.05.00.131 |
| 1101961 | Slenderness failure is considered incorrectly in NZS3404-1997 | 2 - High | 21.00.00.57 | 22.05.00.131 |
| 1101995 | Slenderness failure is considered incorrectly in CSA S16-14 & S16-09 codes | 2 - High | 20.07.11.33 | 22.05.00.131 |
| 1103365 | Incorrect Section Strength calculation for Semi-Compact section - IS 800 2007 LSD | 2 - High | 20.07.11.33 | 22.05.00.131 |
| 1103377 | Incorrect section strength calculation for tapered I-section as per IS 800 2007 | 2 - High | 20.07.11.70 | 22.05.00.131 |
| 1103955 | Incorrect Design forces considered for symmetrical sections in IS 800-2007 LSD design | 2 - High | 20.07.11.70 | 22.05.00.131 |
| 1106275 | Incorrect base Shear calculation for Colombian Seismic code NSR-10 | 2 - High | 20.07.10.41 | 22.05.00.131 |
| 1107006 | Incorrect moment capacity for CLASS 4 Tee section per EC3 code | 2 - High | 20.07.04.12 | 22.05.00.131 |
| 1110683 | Elastic section modulus is incorrectly calculated for I section with cover plates for AISC ASD (9th Edition) design | 1 - Critical | 20.07.11.90 | 22.05.00.131 |
| 1110726 | Incorrect section modulus of wide flange with different sized Top & Bottom plates | 2 - High | 20.07.10.41 | 22.05.00.131 |
| A-487732 | Incorrect Warping Constant used during selection of wide flange profiles as per AISC 360-16 | 2 - High | 21.00.02.44 | 22.07.00.160 |
| A-487738 | Incorrect design as per AS4100 for a braced physical member having analytical node at any quarter point along its length | 2 - High | 21.00.02.44 | 22.06.00.138 |
| A-487742 | Error in torsion design for beams per ACI 318-2011 | 2 - High | 20.07.11.50 | 22.06.00.138 |
| A-505266 | Incorrect Warping Constant used during selection of wide flange profiles as per CAN/CSA-S16-14 or CAN/CSA-S16-09 | 2 - High | 21.00.02.30 | 22.06.00.138 |
| A-506489 | Incorrect Warping Constant used during selection of wide flange profiles as per IS 800 2007 (LSD/ WSD) | 2 - High | 21.00.02.30 | 22.06.00.138 |
| A-511125 | Incorrect Warping Constant used during selection of Channel profiles as per EN 1993-1-1 2005 or BS EN 1993-1-1 2005 | 2 - High | 20.07.11.70 | 22.07.00.160 |
| A-515693 | Member assigned with MEMBER TENSION and subjected to axial tension - is designed as a compression member with NZS3404-1997 code | 2 - High | 21.00.00.57 | 22.06.00.138 |
| A-524650 | Member section displacement results do not account for lateral releases on members | 2 - High | 20.07.04.12 | Known Issue |
| A-533716 | The horizontal seismic influence coefficient (ALPHA) is incorrect for period from 0.1s to Tg as per GB50011-2001 | 2 - High | 20.07.06.23 | 22.06.00.138 |
| A-554981 | NZS 3404:1997 slenderness for tension members | 2 - High | 21.00.00.57 | 22.07.00.160 |
| A-633034 | NZS 3404-1997 : Clause 5.12.2 | 2 - High | 21.00.00.57 | 22.07.00.160 |
| A-669073 | AISC 360-16: Warping constant is used in the calculation of Euler Buckling Stress for T & 2L Sections | 2 - High | 21.00.02.44 | 22.08.00.175 |
| A-698135 | SANS 10162-1 : UNT and UNB parameters | 2 - High | 20.07.11.33 | 22.09.00.115 |
| A-710597 | EN 1993-1-1: 2005 : Utilization ratio as per Eq.6.62 for Slender Tee section | 2 - High | 20.07.07.19 | 22.08.00.175 |
| A-716046 | EN 1993-1-1: 2005 : Shift of neutral axis for Slender Tee section | 2 - High | 20.07.07.19 | 22.08.00.175 |
| A-784278 | AISC N690 1984: Shear design for pipe sections | 2 - High | 20.07.06.23 | 22.09.00.115 |
| A-813848 | Unbraced length : UNF and UNL Parameters | 2 - High | 20.07.08.32 | 22.10.00.153 |
| A-817499 | EN 1993-1-1:2005 : LEG parameter for single angle profiles | 2 - High | 20.07.07.32 | 22.11.00.156 |
| A-852094 | AISC 360-16 : FY and FU not considered from assigned material | 2 - High | 21.00.02.44 | 22.10.00.180 |
| A-935629 | AISC 360-16: SGR parameter | 2 - High | 21.00.02.44 | 22.12.00.142 |
| A-969825 | AISC 360-10/05 : Combined flexure and tension | 2 - High | 20.07.11.50 | 22.12.00.142 |
| A-973697 | AS4100-1998 : Moment modification factor | 2 - High | 20.07.11.90 | 23.00.00.345 |
| A-1003677 | NZS-3404-1997 : Physical member design | 2 - High | 21.00.00.57 | 23.00.00.345 |
| A-1005695 | NZS-3404-1997 : Analytical Member Design | 2 - High | 21.00.00.57 | 23.00.00.345 |
| A-1032348 | AISC 360-16 and BS5950 Pt 1 : Incorrect shear capacity parallel to the flanges for Double Channel profiles | 2 - High | 21.00.02.30 | 23.00.00.345 |
| A-999611 | Incorrect Time History analysis results with a Harmonic Ground motion | 2 - High | 20.07.04.12 | 22.12.00.142 |
| A-1073141 | IBC 2012/2015/2018: Failure to process negative accidental eccentricity factor in Response Spectrum Analysis | 1 - Critical | 20.07.11.33 | 23.00.00.345 |
| A-1121536 | EN 1993-1-1:2005 : Failure to perform Bending Check (Clause 6.2.5) and Buckling Check (Equations 6.3.3-661, 662) | 1 - Critical | 20.07.11.90 | 23.00.00.345 |
| A-1176400 | AISC 360-05/10: Slenderness of Single Angle | 2 - High | 20.07.11.50 | 23.00.02.361 |
| A-1199138 | AISC 360-16: Incorrect H2-1 at the Heel of an Equal Angle | 2 - High | 21.00.02.44 | 23.00.00.345 |
| A-1221514 | Wind Load Panel Formation affected by support nodes | 1 - Critical | 20.07.04.12 | 24.00.02.354 |
| A-1225794 | AS4100-1998 & NZS 3404 -1997: Reference buckling moment for wide flange profiles with unequal flanges | 2 - High | 20.07.11.90 | 23.00.02.361 |
| A-1232633 | CSA S16-09/14/19: Incorrect Evaluation of Factored Moment Resistance | 1 - Critical | 20.07.10.64 | 23.00.02.361 |
| A-1247472 | AS4100-1998 : Member moment capacity checks as per Clauses 8.4.2.2 and 8.4.4.1 | 2 - High | 20.07.11.90 | 23.00.02.361 |
| A-1271381 | AS4100-1998 : Physical member design | 2 - High | 20.07.09.31 | 24.00.00.577 |
| A-487774 | Inclined Joint load using ref Joint | 2 - High | 20.07.04.12 | 23.00.02.361 |
| A-487893 | Wind load on open structures are incorrectly evaluated on members with beta angles | 2 - High | 20.07.04.12 | 23.00.02.361 |
| A-1327542 | EN 1993-1-1:2005 : Cl 6.2.2.4 not implemented for I section with Class 3 web and Class 1 or 2 Flange | 2 - High | 20.07.10.41 | 23.00.02.361 |
| A-995133 | IS 800 2007 (LSD/WSD) : Section classification for Welded Section T Profile | 2 - High | 20.07.06.23 | 23.00.02.361 |
| A-1335471 | EN 1993-1-1-2005 : Incorrect warping constant values evaluated for Tube and Angle profiles | 2 - High | 20.07.10.41 | 24.00.00.577 |
| A-1352814 | Time History Analysis: Plate stresses ignore missing mass | 2 - High | 20.07.10.41 | 23.00.03.25 |
| A-1350894 | AISC 360-05/10/16: Incorrect slenderness for single angles | 1 - Critical | 20.07.04.12 | 23.00.03.25 |
| A-807595 | NRC 2005/2010: Incorrect assignment of FV parameter | 2 - High | 21.00.00.57 | 24.00.00.577 |
| A-1347586 | AS4100-1998: Incorrect Section slenderness (λe) | 1 - Critical | 20.07.07.19 | 24.00.00.577 |
| A-846868 | Incorrect design shear area | 2 - High | 20.07.04.12 | 22.12.00.142 |
| A-1419270 | AISC 341-16 : Web stiffener parameters | 2 - High | 21.00.02.30 | 24.00.00.577 |
| A-1392128 | Design code parameters conflicting with other codes | 2 - High | 20.07.10.41 | 24.00.00.577 |
| A-1373774 | NZS3404-1997: Angle profile slenderness limit (λey) | 1 - Critical | 21.00.00.57 | 24.00.00.577 |
| A-1427565 | Self-weight distribution for quadrilateral plates | 2 - High | 20.07.04.12 | 24.00.00.577 |
| A-1431170 | AIJ 2002/2005: Interaction Checks | 2 - High | 21.03.00.146 | 24.00.02.354 |
| A-1500567 | AISC 360-16: Incorrect H2-1 at the Heel of an Equal Angle | 1 - Critical | 21.00.02.44 | 24.00.02.354 |
| A-1482280 | AS4100-1998/2020: Shear capacity for circular profiles | 2 - High | 20.07.07.19 | 24.00.02.354 |
| A-1543790 | AISC 360 & CSA S16: Incorrect minor axis bending capacity for channel profiles | 1 - Critical | 20.07.08.22 | 24.00.02.354 |
| A-1547404 | AISC 360-05/10/16/22: Incorrect design wall thickness for HSS profiles | 1 - Critical | 20.07.04.12 | 24.00.02.354 |
| A-1548004 | AISC 360-16/22: Incorrect effective area for a slender round HSS profile | 1 - Critical | 21.00.01.12 | 24.00.02.354 |
| A-1559731 | AISC 360-16/22: Incorrect calculation of Cb for single angle profiles | 1 - Critical | 21.00.01.12 | 24.00.02.354 |
| A-807812 | Cold formed design: Russian cold formed pipe profiles | 2 - High | 20.07.04.12 | 24.00.02.354 |
| A-488029 | Incorrect wind loads on open structures for single angle profiles | 1 - Critical | 20.07.04.12 | 24.00.02.354 |
| A-937039 | Incorrect wind pressures on open structures | 1 - Critical | 20.07.04.12 | 24.00.02.354 |
| A-1100215 | Incorrect wind pressures on closed panels | 1 - Critical | 20.07.04.12 | 24.00.02.354 |
| A-1398892 | Inaccurate wind panel validation | 1 - Critical | 20.07.07.32 | 24.00.02.354 |