i am attaching my staad file, please anybody tell me why the columns in the middle, gets failed when i increase the size of column web, but when i decrease the size it shows the result as passed.
kindly help.
STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 28-Jan-16
END JOB INFORMATION
INPUT WIDTH 79
UNIT METER KN
JOINT COORDINATES
1 0 0 0; 2 29 0 0; 3 0 8.95 0; 4 0 3 0; 5 29 3 0; 6 29 7.5 0; 7 5.35 0 0;
8 11.45 0 0; 9 17.55 0 0; 10 23.65 0 0; 11 5.35331 8.68233 0;
12 11.4557 8.37722 0; 13 17.5581 8.0721 0; 14 23.6604 7.76698 0; 15 5.35 3 0;
16 11.45 3 0; 17 17.55 3 0; 18 23.65 3 0; 25 0 0 -8.357; 26 29 0 -8.357;
27 0 8.95 -8.357; 28 0 3 -8.357; 29 29 3 -8.357; 30 29 7.5 -8.357;
37 0 0 -16.714; 38 29 0 -16.714; 39 0 8.95 -16.714; 40 0 3 -16.714;
41 29 3 -16.714; 42 29 7.5 -16.714; 49 0 0 -25.071; 50 29 0 -25.071;
51 0 8.95 -25.071; 52 0 3 -25.071; 53 29 3 -25.071; 54 29 7.5 -25.071;
61 0 0 -32.814; 62 29 0 -32.814; 63 0 8.95 -32.814; 64 0 3 -32.814;
65 29 3 -32.814; 66 29 7.5 -32.814; 73 0 0 -40.557; 74 29 0 -40.557;
75 0 8.95 -40.557; 76 0 3 -40.557; 77 29 3 -40.557; 78 29 7.5 -40.557;
85 0 0 -48.3; 86 29 0 -48.3; 87 0 8.95 -48.3; 88 0 3 -48.3; 89 29 3 -48.3;
90 29 7.5 -48.3; 91 5.35331 8.68233 -48.3; 92 11.4557 8.37722 -48.3;
93 17.5581 8.0721 -48.3; 94 23.6604 7.76698 -48.3; 97 5.35 0 -48.3;
98 11.45 0 -48.3; 99 17.55 0 -48.3; 100 23.65 0 -48.3; 101 5.35 3 -48.3;
102 11.45 3 -48.3; 103 17.55 3 -48.3; 104 23.65 3 -48.3;
114 14.5 8.225 -40.557; 115 14.5 8.225 -32.814; 116 14.5 8.225 -25.071;
117 14.5 8.225 -16.714; 118 14.5 8.225 -8.357; 119 14.5 0 -8.357;
120 14.5 0 -16.714; 121 14.5 0 -25.071; 122 14.5 0 -32.814; 123 14.5 0 -40.557;
124 14.5019 8.22491 -48.3; 125 14.5019 8.22491 0; 126 11.4557 8.37722 -8.357;
127 11.4557 8.37722 -40.557; 128 11.4557 8.37722 -32.814;
129 11.4557 8.37722 -25.071; 130 11.4557 8.37722 -16.714;
131 17.5562 8.07219 -40.557; 132 17.5562 8.07219 -32.814;
133 17.5562 8.07219 -25.071; 134 17.5562 8.07219 -16.714;
135 17.5562 8.07219 -8.357; 136 5.35331 8.68233 -8.357;
137 5.35331 8.68233 -40.557; 138 5.35331 8.68233 -32.814;
139 5.35331 8.68233 -25.071; 140 5.35331 8.68233 -16.714;
141 23.6586 7.76707 -40.557; 142 23.6586 7.76707 -32.814;
143 23.6586 7.76707 -25.071; 144 23.6586 7.76707 -16.714;
145 23.6586 7.76707 -8.357; 146 2.67666 8.81617 -36.6855;
147 8.4045 8.52977 -36.6855; 148 14.5059 8.2247 -36.6855;
149 20.6074 7.91963 -36.6855; 150 26.3293 7.63354 -36.6855;
151 0 5.975 -12.5355; 152 2.67666 8.81617 -12.5355;
153 8.4045 8.52977 -12.5355; 154 14.5059 8.2247 -12.5355;
155 20.6074 7.91963 -12.5355; 156 26.3293 7.63354 -12.5355;
157 29 5.25 -12.5355; 158 0 5.975 -36.6855; 159 29 5.25 -36.6855; 160 29 4.5 0;
161 29 4.5 -8.357; 162 29 4.5 -16.714; 163 29 4.5 -25.071; 164 29 4.5 -32.814;
165 29 4.5 -40.557; 166 29 4.5 -48.3; 167 31.4 4.5 0; 168 31.4 4.5 -8.357;
169 31.4 4.5 -16.714; 170 31.4 4.5 -25.071; 171 31.4 4.5 -32.814;
172 31.4 4.5 -40.557; 173 31.4 4.5 -48.3; 174 0 1.5 -36.6855;
175 0 1.5 -12.5355; 176 29 1.5 -12.5355; 177 29 1.5 -36.6855;
178 2.67666 8.81616 -25.071; 179 2.67666 8.81616 -40.557;
180 2.67666 8.81616 -32.814; 181 2.67666 8.81616 -16.714;
182 2.67666 8.81616 -8.357; 183 26.3293 7.63353 -40.557;
184 26.3293 7.63353 -32.814; 185 26.3293 7.63353 -25.071;
186 26.3293 7.63353 -16.714; 187 26.3293 7.63353 -8.357;
188 8.64919 8.51754 -8.357; 189 8.64919 8.51754 -16.714;
190 8.64919 8.51754 -25.071; 191 8.64919 8.51754 -32.814;
192 8.64919 8.51754 -40.557; 193 20.3627 7.93186 -40.557;
194 20.3627 7.93186 -32.814; 195 20.3627 7.93186 -25.071;
196 20.3627 7.93186 -16.714; 197 20.3627 7.93186 -8.357;
MEMBER INCIDENCES
1 1 4; 2 4 3; 3 2 5; 4 5 160; 5 3 11; 6 11 12; 7 12 125; 8 13 14; 9 14 6;
10 7 15; 11 11 15; 12 12 16; 13 16 8; 14 13 17; 15 17 9; 16 14 18; 17 18 10;
24 25 28; 25 28 27; 26 26 29; 27 29 161; 35 37 40; 36 40 39; 37 38 41;
38 41 162; 46 49 52; 47 52 51; 48 50 53; 49 53 163; 57 61 64; 58 64 63;
59 62 65; 60 65 164; 68 73 76; 69 76 75; 70 74 77; 71 77 165; 79 85 88;
80 88 87; 81 86 89; 82 89 166; 83 87 91; 84 91 92; 85 92 124; 86 93 94;
87 94 90; 90 97 101; 91 91 101; 92 92 102; 93 102 98; 94 93 103; 95 103 99;
96 94 104; 97 104 100; 102 75 179; 103 63 180; 104 51 178; 105 39 181;
106 27 182; 107 87 75; 108 75 63; 109 63 51; 110 51 39; 111 39 27; 112 27 3;
113 90 78; 114 78 66; 115 66 54; 116 54 42; 117 42 30; 118 30 6; 119 131 114;
120 132 115; 121 133 116; 122 134 117; 123 135 118; 124 114 123; 125 115 122;
126 116 121; 127 117 120; 128 118 119; 134 124 93; 135 125 13; 136 126 118;
137 127 114; 138 128 115; 139 129 116; 140 130 117; 141 141 193; 142 142 194;
143 143 195; 144 144 196; 145 145 197; 146 136 188; 147 137 192; 148 138 191;
149 139 190; 150 140 189; 151 78 183; 152 66 184; 153 54 185; 154 42 186;
155 30 187; 156 75 146; 157 137 147; 160 127 148; 161 131 149; 162 141 150;
163 146 138; 164 147 128; 165 148 132; 166 149 142; 167 150 66; 168 63 146;
169 137 146; 170 138 147; 171 147 127; 172 128 148; 173 148 131; 174 132 149;
175 149 141; 176 142 150; 177 150 78; 198 75 158; 199 39 151; 200 39 152;
201 140 153; 202 130 154; 203 134 155; 204 144 156; 205 42 157; 206 151 28;
207 152 136; 208 153 126; 209 154 135; 210 155 145; 211 156 30; 212 157 29;
213 40 151; 214 151 27; 215 27 152; 216 140 152; 217 136 153; 218 153 130;
219 126 154; 220 134 154; 221 135 155; 222 144 155; 223 145 156; 224 156 42;
225 78 159; 226 158 64; 227 159 65; 228 76 158; 229 158 63; 230 77 159;
231 159 66; 232 30 157; 233 157 41; 234 137 91; 235 137 138; 236 92 127;
237 127 128; 238 93 131; 239 131 132; 240 94 141; 241 141 142; 242 140 136;
243 136 11; 244 130 126; 245 126 12; 246 134 135; 247 135 13; 248 144 145;
249 145 14; 250 160 6; 251 161 30; 252 162 42; 253 163 54; 254 164 66;
255 165 78; 256 166 90; 257 160 167; 258 161 168; 259 162 169; 260 163 170;
261 164 171; 262 165 172; 263 166 173; 264 76 174; 265 40 175; 266 29 176;
267 65 177; 268 174 61; 269 175 25; 270 176 38; 271 177 74; 272 26 176;
273 176 41; 274 62 177; 275 177 77; 276 73 174; 277 174 64; 278 37 175;
279 175 28; 280 138 139; 281 139 140; 282 128 129; 283 129 130; 284 132 133;
285 133 134; 286 142 143; 287 143 144; 288 178 139; 289 179 137; 290 180 138;
291 181 140; 292 182 136; 293 183 141; 294 184 142; 295 185 143; 296 186 144;
297 187 145; 298 188 126; 299 189 130; 300 190 129; 301 191 128; 302 192 127;
303 193 131; 304 194 132; 305 195 133; 306 196 134; 307 197 135;
DEFINE MATERIAL START
ISOTROPIC CONCRETE
E 2.17185e+007
POISSON 0.17
DENSITY 23.5616
ALPHA 1e-005
DAMP 0.05
TYPE CONCRETE
STRENGTH FCU 27579
ISOTROPIC STEEL
E 2.05e+008
POISSON 0.3
DENSITY 76.8195
ALPHA 1.2e-005
DAMP 0.03
TYPE STEEL
STRENGTH FY 253200 FU 407800 RY 1.5 RT 1.2
END DEFINE MATERIAL
MEMBER PROPERTY AMERICAN
24 26 35 37 46 48 57 59 68 70 TAPERED 0.55 0.004 0.55 0.2 0.006 0.2 0.006
25 36 47 58 69 TAPERED 0.55 0.004 0.55 0.2 0.006 0.2 0.006
124 TO 128 TAPERED 0.2 0.004 0.2 0.2 0.008 0.2 0.008
10 13 15 17 90 93 95 97 TAPERED 0.34 0.004 0.34 0.15 0.006 0.15 0.006
11 12 14 16 91 92 94 96 TAPERED 0.34 0.004 0.34 0.15 0.006 0.15 0.006
1 3 79 81 TAPERED 0.34 0.004 0.34 0.16 0.006 0.16 0.006
2 4 80 82 250 256 TAPERED 0.34 0.004 0.34 0.16 0.006 0.16 0.006
119 TO 123 136 TO 140 TAPERED 0.389 0.005 0.6 0.2 0.008 0.2 0.008
5 TO 9 83 TO 87 134 135 TAPERED 0.3 0.004 0.3 0.15 0.006 0.15 0.006
107 TO 118 234 TO 249 280 TO 287 PRIS ROUND STA 0.095 END 0.095 THI 0.0024
MEMBER PROPERTY INDIAN
198 199 205 206 212 TO 214 225 TO 233 264 TO 279 TABLE SD ISA40X40X5
MEMBER PROPERTY INDIAN
156 157 160 TO 177 200 TO 204 207 TO 211 215 TO 224 PRIS YD 0.016
MEMBER PROPERTY INDIAN
251 TO 255 TAPERED 0.55 0.004 0.55 0.2 0.006 0.2 0.006
27 38 49 60 71 TAPERED 0.55 0.004 0.55 0.2 0.006 0.2 0.006
257 TO 263 TAPERED 0.35 0.004 0.15 0.15 0.006 0.15 0.006
MEMBER PROPERTY AMERICAN
288 TO 297 TAPERED 0.3 0.004 0.45 0.2 0.006 0.2 0.006
102 TO 106 151 TO 155 TAPERED 0.5 0.004 0.3 0.2 0.006 0.2 0.006
298 TO 307 TAPERED 0.3 0.004 0.389 0.2 0.006 0.2 0.006
141 TO 150 TAPERED 0.45 0.004 0.3 0.2 0.006 0.2 0.006
CONSTANTS
BETA 90 MEMB 10 TO 17 90 TO 97
MATERIAL STEEL ALL
SUPPORTS
7 TO 10 97 TO 100 119 TO 123 PINNED
1 2 25 26 37 38 49 50 61 62 73 74 85 86 FIXED
LOAD 1 LOADTYPE Dead TITLE DL
SELFWEIGHT Y -1
MEMBER LOAD
25 27 36 38 47 49 58 60 69 71 102 TO 106 119 TO 123 136 TO 155 251 TO 255 -
257 TO 263 288 TO 307 UNI GY -0.92
2 4 TO 9 11 12 14 16 80 82 TO 87 91 92 94 96 134 135 250 256 UNI GY -0.46
LOAD 2 LOADTYPE Live REDUCIBLE TITLE LL
MEMBER LOAD
102 TO 106 119 TO 123 136 TO 155 257 TO 263 288 TO 307 UNI GY -4.84
5 TO 9 83 TO 87 134 135 UNI GY -2.42
LOAD 3 LOADTYPE Wind TITLE WL 0 (IP)
MEMBER LOAD
102 TO 106 136 TO 140 146 TO 150 288 TO 292 298 TO 302 UNI GY 10.98
119 TO 123 141 TO 145 151 TO 155 293 TO 297 303 TO 307 UNI GY 7.32
5 TO 7 83 TO 85 UNI GY 5.49
8 9 86 87 134 135 UNI GY 3.66
25 36 47 58 69 UNI GX 1.46
2 80 UNI GX 0.73
27 38 49 60 71 251 TO 255 UNI GX 5.49
4 82 250 256 UNI GX 2.745
91 92 94 96 UNI GZ -8.05
11 12 14 16 UNI GZ 8.05
LOAD 4 LOADTYPE Wind TITLE WL 0 (IS)
MEMBER LOAD
102 TO 106 136 TO 140 146 TO 150 288 TO 292 298 TO 302 UNI GY 3.66
5 TO 7 83 TO 85 UNI GY 1.83
25 36 47 58 69 UNI GX 8.78
2 80 UNI GX 4.39
27 38 49 60 71 251 TO 255 UNI GX -1.83
4 82 250 256 UNI GX -0.915
91 92 94 96 UNI GZ -0.73
11 12 14 16 UNI GZ 0.73
LOAD 5 LOADTYPE Wind TITLE WL 90 (IP)
MEMBER LOAD
102 TO 106 136 TO 140 146 TO 150 288 TO 292 298 TO 302 UNI GY 10.98
5 TO 7 83 TO 85 UNI GY 5.49
119 TO 123 141 TO 145 151 TO 155 293 TO 297 303 TO 307 UNI GY 7.32
8 9 86 87 134 135 UNI GY 3.66
25 36 47 58 69 UNI GX -7.32
2 80 UNI GX -3.66
27 38 49 60 71 251 TO 255 UNI GX 7.32
4 82 250 256 UNI GX 3.66
91 92 94 96 UNI GZ 1.46
11 12 14 16 UNI GZ 4.39
LOAD 6 LOADTYPE Wind TITLE WL 90 (IS)
MEMBER LOAD
102 TO 106 136 TO 140 146 TO 150 288 TO 292 298 TO 302 UNI GY 3.66
5 TO 7 83 TO 85 UNI GY 1.83
LOAD 7 LOADTYPE Wind TITLE WL 180 (IP)
MEMBER LOAD
102 TO 106 136 TO 140 146 TO 150 288 TO 292 298 TO 302 UNI GY 7.32
5 TO 7 83 TO 85 UNI GY 3.66
119 TO 123 141 TO 145 151 TO 155 293 TO 297 303 TO 307 UNI GY 10.98
8 9 86 87 134 135 UNI GY 5.49
25 36 47 58 69 UNI GX -5.49
2 80 UNI GX -2.745
27 38 49 60 71 251 TO 255 UNI GX -1.46
4 82 250 256 UNI GX -0.73
LOAD 8 LOADTYPE Wind TITLE WL 180 (IS)
MEMBER LOAD
119 TO 123 141 TO 145 151 TO 155 293 TO 297 303 TO 307 UNI GY 3.66
7 TO 9 86 87 134 135 UNI GY 1.83
27 38 49 60 71 251 TO 255 UNI GX -8.78
4 82 250 256 UNI GX -4.39
25 36 47 58 69 UNI GX 1.83
2 80 UNI GX 0.915
LOAD 9 LOADTYPE Wind TITLE WL 270 (IP)
MEMBER LOAD
11 12 14 16 UNI GZ -4.39
91 92 94 96 UNI GZ -1.46
LOAD 10 LOADTYPE Wind TITLE WL 270 (IS)
MEMBER LOAD
11 12 14 16 UNI GZ -2.92
91 92 94 96 UNI GZ 8.78
********** STRENGTH CRITERIA **********
LOAD COMB 11 DL+LL
1 1.0 2 1.0
LOAD COMB 12 0.75(DL+LL+WL 0 (IP))
1 0.75 2 0.75 3 0.75
LOAD COMB 13 0.75(DL+LL+WL 0 (IS))
1 0.75 2 0.75 4 0.75
LOAD COMB 14 0.75(DL+LL+WL 90 (IP))
1 0.75 2 0.75 5 0.75
LOAD COMB 15 0.75(DL+LL+WL 90 (IS))
1 0.75 2 0.75 6 0.75
LOAD COMB 16 0.75(DL+LL+WL180 (IP))
1 0.75 2 0.75 7 0.75
LOAD COMB 17 0.75(DL+LL+WL 180 (IS))
1 0.75 2 0.75 8 0.75
LOAD COMB 18 0.75(DL+LL+WL 270 (IP))
1 0.75 9 0.75
LOAD COMB 19 0.75(DL+LL+WL 270 (IS))
1 0.75 2 0.75 10 0.75
LOAD COMB 20 0.75(DL+WL 0 (IP))
1 0.75 3 0.75
LOAD COMB 21 0.75(DL+WL 0 (IS))
1 0.75 4 0.75
LOAD COMB 22 0.75(DL+WL 90 (IP))
1 0.75 5 0.75
LOAD COMB 23 0.75(DL+WL 90 (IS))
1 0.75 6 0.75
LOAD COMB 24 0.75(DL+WL 180 (IS))
1 0.75 8 0.75
LOAD COMB 25 0.75(DL+WL 180 (IP))
1 0.75 7 0.75
LOAD COMB 26 0.75(DL+WL 270 (IS))
1 0.75 10 0.75
LOAD COMB 27 0.75(DL+WL 270 (IP))
1 0.75 9 0.75
********** SERVICEABILITY CRITERIA **********
LOAD COMB 28 DL+LL
1 1.0 2 1.0
LOAD COMB 29 DL+WL 0 (IP)
1 1.0 3 1.0
LOAD COMB 30 DL+WL 0 (IS)
1 1.0 4 1.0
LOAD COMB 31 DL+WL 90 (IP)
1 1.0 5 1.0
LOAD COMB 32 DL+WL 90 (IS)
1 1.0 6 1.0
LOAD COMB 33 DL+WL 180 (IP)
1 1.0 7 1.0
LOAD COMB 34 DL+WL 180 (IS)
1 1.0 8 1.0
LOAD COMB 35 DL+WL 270 (IP)
1 1.0 9 1.0
LOAD COMB 36 DL+WL 270 (IS)
1 1.0 10 1.0
LOAD COMB 37 DL+0.8(LL+WL 0 (IP))
1 1.0 2 0.8 3 0.8
LOAD COMB 38 DL+0.8(LL+WL 0 (IS))
1 1.0 2 0.8 4 0.8
LOAD COMB 39 DL+0.8(LL+WL 90 (IP))
1 1.0 2 0.8 5 0.8
LOAD COMB 40 DL+0.8(LL+WL 90 (IS))
1 1.0 2 0.8 6 0.8
LOAD COMB 41 DL+0.8(LL+WL 180 (IP))
1 1.0 2 0.8 7 0.8
LOAD COMB 42 DL+0.8(LL+WL 180 (IS))
1 1.0 2 0.8 8 0.8
LOAD COMB 43 DL+0.8(LL+WL 270 (IP))
1 1.0 2 0.8 9 0.8
LOAD COMB 44 DL+0.8(LL+WL 270 (IS))
1 1.0 2 0.8 10 0.8
PERFORM ANALYSIS
LOAD LIST 11 TO 44
PARAMETER 1
CODE AISC
FYLD 345000 MEMB 1 TO 17 24 TO 27 35 TO 38 46 TO 49 57 TO 60 68 TO 71 -
79 TO 87 90 TO 97 102 TO 128 134 TO 157 160 TO 177 198 TO 279 288 TO 307
LY 1.5 MEMB 2 4 TO 9 11 12 14 16 25 27 36 38 47 49 58 60 69 71 80 82 TO 87 -
91 92 94 96 102 TO 106 119 TO 123 134 TO 155 250 TO 263 288 TO 307
LZ 8.95 MEMB 1 2 24 25 35 36 46 47 57 58 68 69 79 80
LZ 8.68 MEMB 10 11 90 91
LZ 8.38 MEMB 12 13 92 93
LZ 8.07 MEMB 14 15 94 95
LZ 7.77 MEMB 16 17 96 97
LZ 7.5 MEMB 3 4 26 27 37 38 48 49 59 60 70 71 81 82 250 TO 256
UNB 1.5 MEMB 2 4 TO 9 11 12 14 16 25 27 36 38 47 49 58 60 69 71 80 82 TO 87 -
91 92 94 96 102 TO 106 119 TO 123 134 TO 155 250 TO 263 288 TO 307
UNT 1.5 MEMB 2 4 TO 9 11 12 14 16 25 27 36 38 47 49 58 60 69 71 80 82 TO 87 -
91 92 94 96 102 TO 106 119 TO 123 134 TO 155 250 TO 263 288 TO 307
STIFF 1.5 MEMB 1 TO 17 24 TO 27 35 TO 38 46 TO 49 57 TO 60 68 TO 71 -
79 TO 87 90 TO 97 102 TO 106 119 TO 128 134 TO 155 250 TO 263 288 TO 307
CHECK CODE MEMB 1 TO 17 24 TO 27 35 TO 38 46 TO 49 57 TO 60 68 TO 71 -
79 TO 87 90 TO 97 102 TO 106 119 TO 128 134 TO 155 250 TO 263 288 TO 307
PARAMETER 2
CODE AISC
STEEL TAKE OFF LIST 1 TO 17 24 TO 27 35 TO 38 46 TO 49 57 TO 60 68 TO 71 79 -
80 TO 87 90 TO 97 102 TO 128 134 TO 157 160 TO 177 198 TO 233 250 TO 279 288 -
289 TO 307
FINISH