斜拉桥的算例.doc

,是春天里的一丝新绿,是骄阳下的饿一抹浓荫,是初秋的一缕清风,是严冬的一堆篝火。微笑着去面对吧,你会感到人生是那样温馨。/prep7!*******************定义节点**********************!*********************塔**************************!*******************塔上部*************************do,i,,,-,110-i*2,-(+i)/,i,0*enddo!*******************塔下部************************!*远朝!*上*do,i,33,0,-,110-i*2,-*i/,i,*i/-*enddo!*下*do,i,-,-,-,110-i*2,-*i/6,i,-i/2-*enddo!*近朝!*上*do,i,33,0,-,182-i*2,-*i/,i,-*i/+*enddo!*下*do,i,-,-,-,182-i*2,-*i/6,i,i/2+*enddo!*********桥面(配跨为曲线)******k,192,-2,0,-6k,193,0,0,-6k,194,2,0,-6k,195,9,0,-6*do,i,196,205k,i,(i-195)*9+9,0,-6*enddok,206,105,0,-6k,207,-2,0,6k,208,0,0,6k,209,2,0,6k,210,9,0,6*do,i,211,220k,i,(i-210)*9+9,0,6*enddok,221,105,0,6!****************背索锚碇*******************k,222,-31,0,14k,223,-31,0,-14!***********************定义单元**********************!上部塔的截面几何特性*dim,BBS,,43*dim,HHS,,43*dim,SSS,,43*dim,IIYYS,,43*dim,IIZZS,,43*do,i,1,43BBS(i)=*(i-1)/42+3HHS(i)=(i-1)/21+3SSS(i)=BBS(i)*HHS(i)IIzzS(i)=BBS(i)*HHS(i)**3/12IIyyS(i)=HHS(i)*BBS(i)**3/12*enddo!**********平均***********dim,BS,,42*dim,HS,,42*dim,SS,,42*dim,IYYS,,42*dim,IZZS,,42*do,i,1,42hS(i)=(hhS(i)+hhS(i+1))/2bS(i)=(bbS(i)+bbS(i+1))/2SS(i)=(SSS(i)+SSS(i+1))/2IYYS(i)=(IIYYS(i)+IIYYS(i+1))/2IZZS(i)=(IIZZS(i)+IIZZS(i+1))/2*enddo!下部塔的截面几