I am modelling an industrial pipe rack and I get that all beams are failed and inf for utilization ratio. Below is the script. Can I get assistance? Maybe it's a member release issue?
STAAD SPACESTART JOB INFORMATIONENGINEER DATE 04-Apr-23END JOB INFORMATIONINPUT WIDTH 79SET NL 80SET ITERLIM 80UNIT FEET KIPJOINT COORDINATES1 0 0 0; 2 10 0 0; 3 0 8.89583 0; 4 0 14 0; 5 0 26 0; 6 0 32 0; 7 10 8.89583 0;8 10 14 0; 9 10 26 0; 10 10 32 0; 11 0 0 60; 12 0 8.89583 60; 13 0 14 60;16 10 0 60; 17 10 8.89583 60; 18 10 14 60; 21 10 26 60; 22 0 26 60;23 10 32 60; 24 0 32 60; 25 10 26 6; 26 10 26 12; 27 10 26 18; 28 10 26 24;29 10 26 30; 30 10 26 36; 31 10 26 42; 32 10 26 48; 33 10 26 54; 34 10 32 6;35 10 32 12; 36 10 32 18; 37 10 32 24; 38 10 32 30; 39 10 32 36; 40 10 32 42;41 10 32 48; 42 10 32 54; 43 0 32 6; 44 0 32 12; 45 0 32 18; 46 0 32 24;47 0 32 30; 48 0 32 36; 49 0 32 42; 50 0 32 48; 51 0 32 54; 52 0 26 6;53 0 26 12; 54 0 26 18; 55 0 26 24; 56 0 26 30; 57 0 26 36; 58 0 26 42;59 0 26 48; 60 0 26 54;MEMBER INCIDENCES1 1 3; 2 3 4; 3 4 5; 4 5 6; 5 2 7; 6 7 8; 7 8 9; 8 9 10; 9 6 10; 10 5 9;11 4 8; 12 3 7; 13 3 8; 14 7 4; 15 4 9; 16 8 5; 19 2 3; 20 11 12; 21 12 13;22 13 22; 23 22 24; 24 16 17; 25 17 18; 26 18 21; 27 21 23; 28 24 23; 29 22 21;30 13 18; 31 12 17; 32 12 18; 33 17 13; 34 13 21; 35 18 22; 38 16 12; 39 10 34;40 6 43; 41 9 25; 42 5 52; 43 25 26; 44 26 27; 45 27 28; 46 28 29; 47 29 30;48 30 31; 49 31 32; 50 32 33; 51 33 21; 52 34 35; 53 35 36; 54 36 37; 55 37 38;56 38 39; 57 39 40; 58 40 41; 59 41 42; 60 42 23; 61 43 44; 62 44 45; 63 45 46;64 46 47; 65 47 48; 66 48 49; 67 49 50; 68 50 51; 69 51 24; 70 52 53; 71 53 54;72 54 55; 73 55 56; 74 56 57; 75 57 58; 76 58 59; 77 59 60; 78 60 22; 79 6 35;80 10 44; 81 44 37; 82 35 46; 83 46 39; 84 37 48; 85 48 41; 86 39 50; 87 50 23;88 41 24; 89 5 26; 90 9 53; 91 53 28; 92 26 55; 93 55 30; 94 28 57; 95 57 32;96 30 59; 97 59 21; 98 32 22; 99 34 25; 100 35 26; 101 36 27; 102 37 28;103 29 38; 104 30 39; 105 31 40; 106 32 41; 107 33 42; 108 60 51; 109 59 50;110 58 49; 111 57 48; 112 56 47; 113 55 46; 114 54 45; 115 53 44; 116 52 43;117 10 25; 118 34 26; 119 35 27; 120 36 28; 121 37 29; 122 38 30; 123 39 31;124 40 32; 125 41 33; 126 42 21; 127 6 52; 128 43 53; 129 44 54; 130 45 55;131 46 56; 132 47 57; 133 48 58; 134 49 59; 135 50 60; 136 51 22; 137 59 32;138 50 41; 139 39 48; 140 30 57; 141 37 46; 142 28 55; 143 35 44; 144 26 53;INACTIVE MEMBER 14 16 19 33 35 38INACTIVE MEMBER 13 15 32 34DEFINE MATERIAL STARTISOTROPIC STEELE 4.176e+06POISSON 0.3DENSITY 0.489024ALPHA 6.5e-06DAMP 0.03TYPE STEELSTRENGTH RY 1.5 RT 1.2END DEFINE MATERIALMEMBER PROPERTY AMERICAN1 TO 8 20 TO 27 TABLE ST W8X319 TO 12 28 TO 31 79 TO 98 137 TO 144 TABLE ST W8X1813 TO 16 32 TO 35 TABLE ST L3020519 38 TABLE ST W6X1639 TO 78 TABLE ST W6X2099 TO 116 TABLE ST L40405117 TO 136 TABLE ST L20204CONSTANTSMATERIAL STEEL ALLSUPPORTS1 2 11 16 FIXEDMEMBER RELEASE9 TO 11 13 TO 16 19 28 TO 30 32 TO 35 38 TO 107 109 TO 143 -144 START MPY 0.99 MPZ 0.999 TO 11 13 TO 16 19 28 TO 30 32 TO 35 38 TO 99 101 TO 144 END MPY 0.99 MPZ 0.9912 31 START MPY 0.99 MPZ 0.9912 31 END MPY 0.99 MPZ 0.99************************************************AISC SECTION PROPERTIES*CONCRETE MEMBER PROPERTIES************************************************MEMBER BETA ANGLES************************************************ASSIGN MATERIALS TO MEMBERS************************************************IF MODEL CONTAINS X BRACING, ANALYZE MEMBERS -*-TENSION ONLY MEMBERS (REPEAT LOADS REQUIRED)*TENSION ONLY COMMAND REMAINS, EVEN AFTER CHANGE COMMAND*DYNAMIC ANALYSIS WILL NOT WORK WITH COMMAND ACTIVE************************************************SEISMIC DESIGN PARAMATERS FOR SITE DEFINITIONS:*SS =*S1 =*I =*RX =*RY =*SCLASS =*CT =*PX =*PY =*TL =**********************************************************************************************LOAD 1 LOADTYPE Dead TITLE DE OPERATINGSELFWEIGHT Y -1 ***********************************************LOAD 2 LOADTYPE Dead TITLE DE EMPTY WEIGHTSELFWEIGHT Y -1 ***********************************************LOAD 3 LOADTYPE Live TITLE LIVE LOADMEMBER LOAD9 10 28 29 137 TO 144 UNI GY -0.6***********************************************PERFORM ANALYSISCHANGEINACTIVE MEMBER 14 16 19 33 35 38 79 81 83 85 87 89 91 93 95 97LOAD 4 LOADTYPE Wind TITLE W(+X) WINDJOINT LOAD3 12 FX 1.344 13 FX 1.6315 22 53 55 57 59 FX 1.9516 24 44 46 48 50 FX 0.65***********************************************PERFORM ANALYSISCHANGEINACTIVE MEMBER 13 15 32 34 80 82 84 86 88 90 92 94 96 98LOAD 5 LOADTYPE Wind TITLE W(-X) WINDJOINT LOAD7 17 FX -1.348 18 FX -1.6319 21 26 28 30 32 FX -1.95110 23 35 37 39 41 FX -0.65***********************************************PERFORM ANALYSISCHANGELOAD 6 LOADTYPE Wind TITLE W(+Z) WIND***********************************************LOAD 7 LOADTYPE Wind TITLE W(-Z) WIND*********ASD LOAD CASES PER ASCE 7-10**************************PERFORM ANALYSIS PRINT STATICS CHECKCHANGELOAD 8 GENERATED SDO PRS ASCE 7-10 ASD 1REPEAT LOAD1 1.0 3 1.0 LOAD 9 GENERATED SDO PRS ASCE 7-10 ASD 2REPEAT LOAD2 1.0 3 1.0 LOAD 10 GENERATED SDO PRS ASCE 7-10 ASD 3REPEAT LOAD1 1.0 4 0.6 LOAD 11 GENERATED SDO PRS ASCE 7-10 ASD 4REPEAT LOAD2 1.0 4 0.6 LOAD 12 GENERATED SDO PRS ASCE 7-10 ASD 5REPEAT LOAD1 1.0 5 0.6 LOAD 13 GENERATED SDO PRS ASCE 7-10 ASD 6REPEAT LOAD2 1.0 5 0.6 LOAD 14 GENERATED SDO PRS ASCE 7-10 ASD 7REPEAT LOAD1 1.0 6 0.6 LOAD 15 GENERATED SDO PRS ASCE 7-10 ASD 8REPEAT LOAD2 1.0 6 0.6 LOAD 16 GENERATED SDO PRS ASCE 7-10 ASD 9REPEAT LOAD1 1.0 7 0.6 LOAD 17 GENERATED SDO PRS ASCE 7-10 ASD 10REPEAT LOAD2 1.0 7 0.6 LOAD 18 GENERATED SDO PRS ASCE 7-10 ASD 11REPEAT LOAD1 1.0 3 0.75 4 0.45 LOAD 19 GENERATED SDO PRS ASCE 7-10 ASD 12REPEAT LOAD2 1.0 3 0.75 4 0.45 LOAD 20 GENERATED SDO PRS ASCE 7-10 ASD 13REPEAT LOAD1 1.0 3 0.75 5 0.45 LOAD 21 GENERATED SDO PRS ASCE 7-10 ASD 14REPEAT LOAD2 1.0 3 0.75 5 0.45 LOAD 22 GENERATED SDO PRS ASCE 7-10 ASD 15REPEAT LOAD1 1.0 3 0.75 6 0.45 LOAD 23 GENERATED SDO PRS ASCE 7-10 ASD 16REPEAT LOAD2 1.0 3 0.75 6 0.45 LOAD 24 GENERATED SDO PRS ASCE 7-10 ASD 17REPEAT LOAD1 1.0 3 0.75 7 0.45 LOAD 25 GENERATED SDO PRS ASCE 7-10 ASD 18REPEAT LOAD2 1.0 3 0.75 7 0.45 LOAD 26 GENERATED SDO PRS ASCE 7-10 ASD 19REPEAT LOAD1 0.6 4 0.6 LOAD 27 GENERATED SDO PRS ASCE 7-10 ASD 20REPEAT LOAD2 0.6 4 0.6 LOAD 28 GENERATED SDO PRS ASCE 7-10 ASD 21REPEAT LOAD1 0.6 5 0.6 LOAD 29 GENERATED SDO PRS ASCE 7-10 ASD 22REPEAT LOAD2 0.6 5 0.6 LOAD 30 GENERATED SDO PRS ASCE 7-10 ASD 23REPEAT LOAD1 0.6 6 0.6 LOAD 31 GENERATED SDO PRS ASCE 7-10 ASD 24REPEAT LOAD2 0.6 6 0.6 LOAD 32 GENERATED SDO PRS ASCE 7-10 ASD 25REPEAT LOAD1 0.6 7 0.6 LOAD 33 GENERATED SDO PRS ASCE 7-10 ASD 26REPEAT LOAD2 0.6 7 0.6 **************ANALYZE ASD LOAD CASES********************************PERFORM ANALYSIS PRINT STATICS CHECKCHANGE***************REDUCE MEMBER STIFFNESS FOR DIRECT ANALYSIS**********MEMBER CRACKED1 TO 16 19 TO 35 38 TO 144 REDUCTION RAX 0.8 RIY 0.8 RIZ 0.8**********GRAVITY LOAD LRFD CASES WITH NOTIONAL LOADS***************LOAD 34 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 1REPEAT LOAD1 1.4 NOTIONAL LOAD1 X 0.0028 LOAD 35 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 2REPEAT LOAD1 1.4 NOTIONAL LOAD1 X -0.0028 LOAD 36 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 3REPEAT LOAD1 1.4 NOTIONAL LOAD1 Z 0.0028 LOAD 37 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 4REPEAT LOAD1 1.4 NOTIONAL LOAD1 Z -0.0028 LOAD 38 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 5REPEAT LOAD2 1.4 NOTIONAL LOAD2 X 0.0028 LOAD 39 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 6REPEAT LOAD2 1.4 NOTIONAL LOAD2 X -0.0028 LOAD 40 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 7REPEAT LOAD2 1.4 NOTIONAL LOAD2 Z 0.0028 LOAD 41 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 8REPEAT LOAD2 1.4 NOTIONAL LOAD2 Z -0.0028 LOAD 42 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 9REPEAT LOAD1 1.2 3 1.6 NOTIONAL LOAD1 X 0.0024 3 X 0.0032 LOAD 43 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 10REPEAT LOAD1 1.2 3 1.6 NOTIONAL LOAD1 X -0.0024 3 X -0.0032 LOAD 44 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 11REPEAT LOAD1 1.2 3 1.6 NOTIONAL LOAD1 Z 0.0024 3 Z 0.0032 LOAD 45 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 12REPEAT LOAD1 1.2 3 1.6 NOTIONAL LOAD1 Z -0.0024 3 Z -0.0032 LOAD 46 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 13REPEAT LOAD2 1.2 3 1.6 NOTIONAL LOAD2 X 0.0024 3 X 0.0032 LOAD 47 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 14REPEAT LOAD2 1.2 3 1.6 NOTIONAL LOAD2 X -0.0024 3 X -0.0032 LOAD 48 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 15REPEAT LOAD2 1.2 3 1.6 NOTIONAL LOAD2 Z 0.0024 3 Z 0.0032 LOAD 49 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 16REPEAT LOAD2 1.2 3 1.6 NOTIONAL LOAD2 Z -0.0024 3 Z -0.0032 LOAD 50 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 17REPEAT LOAD1 1.2 3 1.0 NOTIONAL LOAD1 X 0.0024 3 X 0.002 LOAD 51 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 18REPEAT LOAD1 1.2 3 1.0 NOTIONAL LOAD1 X -0.0024 3 X -0.002 LOAD 52 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 19REPEAT LOAD1 1.2 3 1.0 NOTIONAL LOAD1 Z 0.0024 3 Z 0.002 LOAD 53 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 20REPEAT LOAD1 1.2 3 1.0 NOTIONAL LOAD1 Z -0.0024 3 Z -0.002 LOAD 54 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 21REPEAT LOAD2 1.2 3 1.0 NOTIONAL LOAD2 X 0.0024 3 X 0.002 LOAD 55 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 22REPEAT LOAD2 1.2 3 1.0 NOTIONAL LOAD2 X -0.0024 3 X -0.002 LOAD 56 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 23REPEAT LOAD2 1.2 3 1.0 NOTIONAL LOAD2 Z 0.0024 3 Z 0.002 LOAD 57 GENERATED SDO PRS ASCE 7-10 LRFD W/ NLS 24REPEAT LOAD2 1.2 3 1.0 NOTIONAL LOAD2 Z -0.0024 3 Z -0.002 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 14 16 19 33 35 38 79 81 83 85 87 89 91 93 95 97**********LATERAL LOAD LRFD CASES WITHOUT NOTIONAL LOADS***************LOAD 58 GENERATED SDO PRS ASCE 7-10 LRFD 1REPEAT LOAD1 1.2 4 0.5 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 14 16 19 33 35 38 79 81 83 85 87 89 91 93 95 97LOAD 59 GENERATED SDO PRS ASCE 7-10 LRFD 2REPEAT LOAD2 1.2 4 0.5 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 13 15 32 34 80 82 84 86 88 90 92 94 96 98LOAD 60 GENERATED SDO PRS ASCE 7-10 LRFD 3REPEAT LOAD1 1.2 5 0.5 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 13 15 32 34 80 82 84 86 88 90 92 94 96 98LOAD 61 GENERATED SDO PRS ASCE 7-10 LRFD 4REPEAT LOAD2 1.2 5 0.5 LOAD 62 GENERATED SDO PRS ASCE 7-10 LRFD 5REPEAT LOAD1 1.2 6 0.5 LOAD 63 GENERATED SDO PRS ASCE 7-10 LRFD 6REPEAT LOAD2 1.2 6 0.5 LOAD 64 GENERATED SDO PRS ASCE 7-10 LRFD 7REPEAT LOAD1 1.2 7 0.5 LOAD 65 GENERATED SDO PRS ASCE 7-10 LRFD 8REPEAT LOAD2 1.2 7 0.5 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 14 16 19 33 35 38 79 81 83 85 87 89 91 93 95 97LOAD 66 GENERATED SDO PRS ASCE 7-10 LRFD 9REPEAT LOAD1 1.2 3 1.0 4 1.0 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 14 16 19 33 35 38 79 81 83 85 87 89 91 93 95 97LOAD 67 GENERATED SDO PRS ASCE 7-10 LRFD 10REPEAT LOAD2 1.2 3 1.0 4 1.0 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 13 15 32 34 80 82 84 86 88 90 92 94 96 98LOAD 68 GENERATED SDO PRS ASCE 7-10 LRFD 11REPEAT LOAD1 1.2 3 1.0 5 1.0 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 13 15 32 34 80 82 84 86 88 90 92 94 96 98LOAD 69 GENERATED SDO PRS ASCE 7-10 LRFD 12REPEAT LOAD2 1.2 3 1.0 5 1.0 LOAD 70 GENERATED SDO PRS ASCE 7-10 LRFD 13REPEAT LOAD1 1.2 3 1.0 6 1.0 PDELTA 20 ANALYSIS SMALLDELTACHANGELOAD 71 GENERATED SDO PRS ASCE 7-10 LRFD 14REPEAT LOAD2 1.2 3 1.0 6 1.0 LOAD 72 GENERATED SDO PRS ASCE 7-10 LRFD 15REPEAT LOAD1 1.2 3 1.0 7 1.0 PDELTA 20 ANALYSIS SMALLDELTACHANGELOAD 73 GENERATED SDO PRS ASCE 7-10 LRFD 16REPEAT LOAD2 1.2 3 1.0 7 1.0 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 14 16 19 33 35 38 79 81 83 85 87 89 91 93 95 97LOAD 74 GENERATED SDO PRS ASCE 7-10 LRFD 17REPEAT LOAD1 0.9 4 1.0 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 14 16 19 33 35 38 79 81 83 85 87 89 91 93 95 97LOAD 75 GENERATED SDO PRS ASCE 7-10 LRFD 18REPEAT LOAD2 0.9 4 1.0 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 13 15 32 34 80 82 84 86 88 90 92 94 96 98LOAD 76 GENERATED SDO PRS ASCE 7-10 LRFD 19REPEAT LOAD1 0.9 5 1.0 PDELTA 20 ANALYSIS SMALLDELTACHANGEINACTIVE MEMBER 13 15 32 34 80 82 84 86 88 90 92 94 96 98LOAD 77 GENERATED SDO PRS ASCE 7-10 LRFD 20REPEAT LOAD2 0.9 5 1.0 PDELTA 20 ANALYSIS SMALLDELTACHANGELOAD 78 GENERATED SDO PRS ASCE 7-10 LRFD 21REPEAT LOAD1 0.9 6 1.0 LOAD 79 GENERATED SDO PRS ASCE 7-10 LRFD 22REPEAT LOAD2 0.9 6 1.0 LOAD 80 GENERATED SDO PRS ASCE 7-10 LRFD 23REPEAT LOAD1 0.9 7 1.0 LOAD 81 GENERATED SDO PRS ASCE 7-10 LRFD 24REPEAT LOAD2 0.9 7 1.0 **************ANALYZE LRFD CASES************************************PDELTA 20 ANALYSIS SMALLDELTA*************STRENGTH DESIGN PER AISC 360-10************************LOAD LIST 34 TO 81PARAMETER 1CODE AISC UNIFIED 2010METHOD LRFDLY 10 MEMB 9 TO 12 28 TO 31UNT 10 MEMB 9 TO 12 28 TO 31UNB 10 MEMB 9 TO 12 28 TO 31UNT 26 MEMB 1 TO 3 5 TO 7 20 TO 22 24 TO 26UNB 26 MEMB 1 TO 3 5 TO 7 20 TO 22 24 TO 26LY 26 MEMB 1 TO 3 5 TO 7 20 TO 22 24 TO 26TRACK 1 ALLBEAM 1 ALLFYLD 5184 ALLTMAIN 500 MEMB 79 TO 98MAIN 500 MEMB 79 TO 98UNT 5 MEMB 9 10 28 29 137 TO 144TMAIN 300 MEMB 9 TO 12 28 TO 31 137 TO 144MAIN 300 MEMB 9 TO 12 28 TO 31 137 TO 144RATIO 0.6 MEMB 10 13 TO 16 19 32 TO 35 38 41 TO 51 70 TO 78 89 TO 136KY 0.5 MEMB 13 TO 16 19 32 TO 35 38 79 TO 98KZ 0.5 MEMB 13 TO 16 19 32 TO 35 38 79 TO 98CHECK CODE MEMB 1 TO 16 19 TO 35 38 TO 136PERFORM ANALYSIS PRINT ALLFINISH
Hello,
In your model the release specification is not correct for all members. Here specifically for top and bottom chord members, you have provided release for each of the analytical member which is not practical. I understand that the top and bottom chord will be a single through member and other members like bracings and vertical posts will be connected to it. So, I removed the internal releases for top and bottom chords except the end releases. This treats the member as a whole and released only at ends. With this modification the file runs without any issue. I am attaching the modified file for your reference.
36882.Structure1.STD
Answer Verified By: Samuel Tejeda
Thank you! That certainly was the error of the model. Thanks for the help!