Hi.
I'm currently working on a 24m-weighbridge platform.
However, the initial output resulted to several instabilities.
I have eliminate the instabilities but could someone guide/enlighten me how should I avoid or correct this?
Thanks in advance.
Here it is:
STAADSPACE
STARTJOBINFORMATION
ENGINEERDATE22-Mar-17
ENGINEERNAMEX
ENDJOBINFORMATION
UNITMETERKN
JOINTCOORDINATES
10.2451.9250.2; 21.4451.9250.2; 30.2451.9256; 41.4451.9256;
501.92512; 61.4451.92512; 701.92517.6; 81.4451.92517.6;
100.2451.92524; 111.7451.92524; 120.2452.72521.5;
131.7452.72521.5; 140.2452.72523.1; 151.7452.72523.1;
160.2453.32518.7; 171.7453.32518.7; 180.2453.32520.4;
191.7453.32520.4; 2003.7617.6; 210.2453.7617.6;
221.4453.7617.6; 231.7453.7617.6; 240.2453.92515.95;
251.7453.92515.95; 260.2453.92517.6; 271.4453.92517.6;
281.7453.92517.6; 290.2454.52513.2; 301.7454.52513.2;
310.2454.52514.85; 321.7454.52514.85; 330.2454.960.2;
341.4454.960.2; 351.7454.960.2; 360.2454.966; 371.4454.966;
381.7454.966; 3904.9612; 400.2454.9612; 411.4454.9612;
421.7454.9612; 430.2455.1250; 441.7455.1250;
450.2455.1250.2; 461.7455.1250.2; 470.2455.1252;
481.7455.1252; 490.2455.1254; 501.7455.1254; 510.2455.1256;
521.4455.1256; 531.7455.1256; 540.2455.1258; 551.7455.1258;
560.2455.12510; 571.7455.12510; 580.2455.12512;
591.4455.12512; 601.7455.12512; 610.2455.12512.35;
621.7455.12512.35; 640.2453.3750.2; 651.4453.3750.2;
660.2453.3756; 671.4453.3756; 6803.37512; 691.4453.37512;
MEMBERINCIDENCES
11410; 21511; 31213; 41214; 51315; 61415; 7720; 8822;
91812; 101913; 111617; 121618; 131719; 141819; 15164;
16265; 17366; 18467; 19568; 20669; 222616; 232817;
242021; 252122; 262223; 272425; 282426; 292528; 302627;
312728; 323124; 333225; 342930; 352931; 363032; 373132;
386129; 396230; 403334; 413435; 423637; 433738; 443940;
454041; 464142; 474344; 484345; 494446; 504547; 514648;
524748; 534749; 544850; 554950; 564951; 575053; 585152;
595253; 605154; 615355; 625455; 635456; 645557; 655657;
665658; 675760; 685859; 695960; 705861; 716062; 726433;
736534; 746465; 756636; 766737; 776667; 786839; 796941;
806869; 81165; 826434; 83367; 846637; 85569; 866841;
87722; 884348; 894849; 904953; 915354; 925457; 935758;
942932; 952526; 961619; 971314;
DEFINEMATERIALSTART
ISOTROPICSTEEL
E2.05e+008
POISSON0.3
DENSITY76.8195
ALPHA1.2e-005
DAMP0.03
TYPESTEEL
STRENGTHFY253200FU407800RY1.5RT1.2
ENDDEFINEMATERIAL
MEMBERPROPERTYEUROPEAN
88TO97TABLESTL60X60X6
MEMBERPROPERTYCOLDFORMEDEUROPEAN
747780TO87TABLESTCHS48.3X3
MEMBERPROPERTYEUROPEAN
124591012132223282932333536383947TO51535456 -
576061636466677071TABLESTUPN240
36111427303134375255585962656869TABLESTIPE100
815TO182024TO2640TO467273757679TABLESTHE100A
71978TABLEST150X5SHS
CONSTANTS
BETA180MEMB2510132329333639474951545761646771
MATERIALSTEELALL
SUPPORTS
1TO81011PINNED
MEMBERRELEASE
8737679ENDMYMZ
MEMBERTRUSS
81TO97
SLAVEFYMASTER33JOINT45
SLAVEFYMASTER35JOINT46
SLAVEFYMASTER36JOINT51
SLAVEFYMASTER38JOINT53
SLAVEFYMASTER40JOINT58
SLAVEFYMASTER42JOINT60
SLAVEFYMASTER21JOINT26
SLAVEFYMASTER23JOINT28
LOAD1LOADTYPEDeadTITLEDEADLOADSELFWEIGHT(GS)
SELFWEIGHTY-1
LOAD2LOADTYPEDeadTITLEDEADLOADGRATING,KICKPLATES(GO)
MEMBERLOAD
124591012132223282932333536383948TO51535456 -
576061636466677071UNIGY-0.75
LOADCOMB10011.35(GS+GO)
11.3521.35
LOADCOMB10021.35(GS+GO) + 1.5Q
11.3521.35
PERFORMANALYSIS
DEFINEENVELOPE
10011002ENVELOPE1000TYPESTRENGTH
ENDDEFINEENVELOPE
PERFORMANALYSIS
LOADLISTENV1000
PARAMETER1
CODEEN1993-1-1:2005
NA1MEMB1TO2022TO39414347TO6870TO7375767879
SGR2MEMB1TO2022TO7375767879
SGR0MEMB747780TO97
TRACK0ALL
CHECKCODEALL
FINISH