ERROR: NO REFERENCE LOAD CASE OF TYPE MASS/GRAVITY/DEAD/LIVE IS DEFINED FOR MASS MODELING

Utsav Doshi — Tue, 10 Sep 2019 15:50:05 GMT

FLOOR DIAPHRAGM
DIA 1 TYPE RIG HEI 0 JOINT 58 TO 114
DIA 2 TYPE RIG JOINT 115 TO 171
DIA 3 TYPE RIG JOINT 172 TO 228
DIA 4 TYPE RIG JOINT 229 TO 285
DIA 5 TYPE RIG JOINT 286 TO 342
DIA 6 TYPE RIG JOINT 343 TO 399
DIA 7 TYPE RIG JOINT 400 TO 456
MEMBER CRACKED
97 TO 153 250 TO 306 403 TO 459 556 TO 612 709 TO 765 862 TO 918 1015 TO 1070 -
1071 REDUCTION RIY 0.7 RIZ 0.7
154 TO 249 307 TO 402 460 TO 555 613 TO 708 766 TO 861 919 TO 1014 -
1072 TO 1167 REDUCTION RIY 0.35 RIZ 0.35
DEFINE REFERENCE LOADS
LOAD R1 LOADTYPE Mass  TITLE MASS
SELFWEIGHT X 1 
SELFWEIGHT Z 1 
SELFWEIGHT Y 1 
MEMBER LOAD
97 103 104 106 TO 108 110 111 113 115 TO 118 124 137 143 147 151 154 TO 181 -
198 206 214 222 250 256 257 259 TO 261 263 264 266 268 TO 271 277 290 296 -
300 304 307 TO 334 351 359 367 375 403 409 410 412 TO 414 416 417 419 421 -
422 TO 424 430 443 449 453 457 460 TO 487 504 512 520 528 556 562 563 565 -
566 TO 567 569 570 572 574 TO 577 583 596 602 606 610 613 TO 640 657 665 673 -
681 709 715 716 718 TO 720 722 723 725 727 TO 730 736 749 755 759 763 766 -
767 TO 793 810 818 826 834 862 868 869 871 TO 873 875 876 878 880 TO 883 889 -
902 908 912 916 919 TO 946 963 971 979 987 1015 1021 1022 1024 TO 1026 1028 -
1029 1031 1033 TO 1036 1042 1055 1061 1065 1069 1072 TO 1099 1116 1124 1132 -
1140 UNI GY 10.6
FLOOR LOAD
YRANGE 3.4 22.6 FLOAD 9.375 XRANGE 2.5 42.5  ZRANGE 5 45  GY
MEMBER LOAD
136 182 184 185 187 190 192 193 195 199 TO 201 204 205 207 210 211 -
215 TO 217 220 221 223 228 TO 231 236 TO 241 244 245 248 249 289 335 337 -
338 340 343 345 346 348 352 TO 354 357 358 360 363 364 368 TO 370 373 374 -
376 381 TO 384 389 TO 394 397 398 401 402 442 488 490 491 493 496 498 499 -
501 505 TO 507 510 511 513 516 517 521 TO 523 526 527 529 534 TO 537 542 -
543 TO 547 550 551 554 555 595 641 643 644 646 649 651 652 654 658 TO 660 -
663 664 666 669 670 674 TO 676 679 680 682 687 TO 690 695 TO 700 703 704 -
707 708 748 794 796 797 799 802 804 805 807 811 TO 813 816 817 819 822 823 -
827 TO 829 832 833 835 840 TO 843 848 TO 853 856 857 860 861 901 947 949 -
950 952 955 957 958 960 964 TO 966 969 970 972 975 976 980 TO 982 985 986 -
988 993 TO 996 1001 TO 1006 1009 1010 1013 1014 1054 1100 1102 1103 1105 -
1108 1110 1111 1113 1117 TO 1119 1122 1123 1125 1128 1129 1133 TO 1135 1138 -
1139 1141 1146 TO 1149 1154 TO 1159 1162 1163 1166 1167 UNI GY 7.95
FLOOR LOAD
YRANGE 3.4 19.4 FLOAD 1.875 XRANGE 2.5 42.5  ZRANGE 5 45  GY
FLOOR LOAD
YRANGE 19.5 22.6 FLOAD 2.5 XRANGE 2.5 42.5  ZRANGE 5 45  GY
END DEFINE REFERENCE LOADS
DEFINE IS1893 2016 LOAD
ZONE 0.16 RF 5 I 1.2 SS 2 ST 2 DM 0.05 GL 3.4
CHECK SOFT STORY 1893 2016
LOAD 1 LOADTYPE Seismic  TITLE EQ X+
1893 LOAD X 1 DEC 2.5 ACC 0.05
PERFORM ANALYSIS
CHANGE
LOAD 2 LOADTYPE Seismic  TITLE EQ X-
1893 LOAD X -1 DEC 2.5 ACC 0.05
PERFORM ANALYSIS
CHANGE
LOAD 3 LOADTYPE Seismic  TITLE EQ Z+
1893 LOAD Z 1 DEC 2.5 ACC 0.05
PERFORM ANALYSIS
CHANGE
LOAD 4 LOADTYPE Seismic  TITLE EQ Z-
1893 LOAD Z -1 DEC 2.5 ACC 0.05
PERFORM ANALYSIS
CHANGE
LOAD 5 LOADTYPE Dead  TITLE DL
SELFWEIGHT Y -1 
MEMBER LOAD
97 103 104 106 TO 108 110 111 113 115 TO 118 124 137 143 147 151 154 TO 181 -
198 206 214 222 250 256 257 259 TO 261 263 264 266 268 TO 271 277 290 296 -
300 304 307 TO 334 351 359 367 375 403 409 410 412 TO 414 416 417 419 421 -
422 TO 424 430 443 449 453 457 460 TO 487 504 512 520 528 556 562 563 565 -
566 TO 567 569 570 572 574 TO 577 583 596 602 606 610 613 TO 640 657 665 673 -
681 709 715 716 718 TO 720 722 723 725 727 TO 730 736 749 755 759 763 766 -
767 TO 793 810 818 826 834 862 868 869 871 TO 873 875 876 878 880 TO 883 889 -
902 908 912 916 919 TO 946 963 971 979 987 1015 1021 1022 1024 TO 1026 1028 -
1029 1031 1033 TO 1036 1042 1055 1061 1065 1069 1072 TO 1099 1116 1124 1132 -
1140 UNI GY -10.6
FLOOR LOAD
YRANGE 3.4 22.6 FLOAD -9.375 XRANGE 2.5 42.5  ZRANGE 5 45  GY
MEMBER LOAD
136 182 184 185 187 190 192 193 195 199 TO 201 204 205 207 210 211 -
215 TO 217 220 221 223 228 TO 231 236 TO 241 244 245 248 249 289 335 337 -
338 340 343 345 346 348 352 TO 354 357 358 360 363 364 368 TO 370 373 374 -
376 381 TO 384 389 TO 394 397 398 401 402 442 488 490 491 493 496 498 499 -
501 505 TO 507 510 511 513 516 517 521 TO 523 526 527 529 534 TO 537 542 -
543 TO 547 550 551 554 555 595 641 643 644 646 649 651 652 654 658 TO 660 -
663 664 666 669 670 674 TO 676 679 680 682 687 TO 690 695 TO 700 703 704 -
707 708 748 794 796 797 799 802 804 805 807 811 TO 813 816 817 819 822 823 -
827 TO 829 832 833 835 840 TO 843 848 TO 853 856 857 860 861 901 947 949 -
950 952 955 957 958 960 964 TO 966 969 970 972 975 976 980 TO 982 985 986 -
988 993 TO 996 1001 TO 1006 1009 1010 1013 1014 1054 1100 1102 1103 1105 -
1108 1110 1111 1113 1117 TO 1119 1122 1123 1125 1128 1129 1133 TO 1135 1138 -
1139 1141 1146 TO 1149 1154 TO 1159 1162 1163 1166 1167 UNI GY -7.95
LOAD 6 LOADTYPE Live  TITLE LL
FLOOR LOAD
YRANGE 3.4 19.4 FLOAD -3.75 XRANGE 2.5 42.5  ZRANGE 5 45  GY
LOAD 7 LOADTYPE Roof Live  TITLE RLL
FLOOR LOAD
YRANGE 19.5 22.6 FLOAD -2.5 XRANGE 2.5 42.5  ZRANGE 5 45  GY

I cannot figure out where am I going wrong.

I have defined the reference load type as "mass", still it is show this error

ERROR: NO REFERENCE LOAD CASE OF TYPE MASS/GRAVITY/DEAD/LIVE IS DEFINED FOR MASS MODELING.

Awaiting for a reply. Thank you

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Tue, 13 Mar 2018 02:13:45 GMT

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Plate stresses in beam web

Jon Smith — Tue, 13 Mar 2018 02:13:44 GMT

Hello, I am trying to understand plate stresses and to do that I have modeled what would be a beam web. The beam is 10m long and its section is 1m high x 0.01m thick. The beam has a load of 100kN in the centre of the span.

If I calculate the stress using Navier's formula in the botom of the web, at centre of the span, I get this:

M=P*L/4 = 100 * 10 /4 = 250 kNm

W = I/y = 8.333E-4 / 0.5 = 1.666E-3 m3

stress = M/W = 150,000 kN/m2 = 150 N/mm2 (tensile)

In my Staad Pro model I get SY= 74.278 N/mm2 (please see picture below).

What am I doing wrong?

Any help will be very appreciated.

Thanks,

Jon

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ERROR: NO REFERENCE LOAD CASE OF TYPE MASS/GRAVITY/DEAD/LIVE IS DEFINED FOR MASS MODELING

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Plate stresses in beam web