预应力钢的筋混凝土桥施工仿真分析流程.doc

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1、1.2预应力钢筋混凝土桥施工仿真分析流程 预应力钢筋混凝土桥施工仿真有自己的特点,这是由其施工工艺决定的,特别是预应力钢筋的施工,涉及预应力松弛等情况,读者可自己制定施工方案(流程参考图如图10-15图10-20所示)。1.2.1预应力混凝土桥APDL仿真!*!预应力混凝土桥仿真APDL程序,单位采用国际单位finish/clear!清除数据库/FILENAME,BRIDGE,1!工作文件名为BRIDGE.db/TITLE, Bridge DAM SIMULATION, Developed by GPDI_COUGAR1*/prep7!进入前处理器G_LAN=130000*5!挂篮重量v_nu

2、m=161!箱梁块数a_num=48!箱梁体上所含面的个数dun_num=5!墩支撑个数*DIM,dun_begin,ARRAY,dun_num!支座位置号码,即对应箱梁的编号*DIM,dun_end,ARRAY,dun_numdun_begin(1)=15,40,79,117,144,!该支座起始对应箱梁的编号dun_end(1)= 18,45,83,122,147!该支座结束对应箱梁的编号!构建箱梁横截面,用Line连接,构成面LINK_NUM=6*DIM,LINK,ARRAY,LINK_NUM*DIM,LINK_TL,ARRAY,LINK_NUM!TL=TOP LEFT*DIM,LINK

3、_TR,ARRAY,LINK_NUM!TR=TOP Right*DIM,LINK_BL,ARRAY,LINK_NUM!BL=Botton Left*DIM,LINK_BR,ARRAY,LINK_NUM!BR=Botton RightLINK(1)=10,23,62,100,139,152LINK_TL(1)=1,11,57,92 ,137 ,126,LINK_TR(1)=27,26,66 ,103 ,151 ,162,LINK_BL(1)=1,19 ,52,90,132 ,148 ,LINK_BR(1)=16 ,33 ,71 ,109 ,143 ,162,!箱梁横截面的几何参数*DIM,b1,

4、ARRAY,v_num+1*DIM,b2,ARRAY,v_num+1*DIM,b3,ARRAY,v_num+1*DIM,b4,ARRAY,v_num+1*DIM,h1,ARRAY,v_num+1*DIM,h2,ARRAY,v_num+1*DIM,h3,ARRAY,v_num+1*DIM,h4,ARRAY,v_num+1*DIM,h5,ARRAY,v_num+1*DIM,h6,ARRAY,v_num+1*DIM,y0,ARRAY,v_num+1*DIM,z0,ARRAY,v_num+1k_num=24MP , EX , 1 , 0.34500E+11!混凝土最终弹性模量MP , NUXY , 1

5、 ,0.16700!混凝土泊松比MP , ALPX , 1 ,0.90000E-05!混凝土热膨胀系数MP , DENS , 1 ,2400.0!混凝土密度MP , EX , 4 ,0.19500E+12!钢筋弹性模量MP,NUXY,4,0.30000!钢筋泊松比MP,ALPX,4,0.12000E-04!钢筋热膨胀系数MP,DENS,4,7850.0!钢筋密度MP,EX,5,0.19500E+12!竖向预应力钢筋弹性模量,材料5MP,NUXY,5,0.30000MP,ALPX,5,0.12000E-04MP,DENS,5,7850.0MP,EX,6,0.20000E+12!横向预应力钢筋弹性

6、模量,材料6MP,NUXY,6,0.30000MP,ALPX,6,0.12000E-04MP,DENS,6,7850.0!定义材料,其中弹性模量随着龄期变化,材料号也跟着变化!其中材料号从40号开始*do,I,40,400 *if,i,1t,100,then !超过100天,认为达到最终弹性模量MP,EX,i,(0.34500E+11)*(1-EXP(0-0.4)*EXP(0.37)*(I-39)!不同混凝土的弹性模量方程不一样,姑且采用这个*elseMP,EX,i,0.34500E+11*endifMP,NUXY,i,0.16700MP,ALPX,i,0.90000E-05MP,DENS,i

7、,2400.0*enddo!定义实常数R,1,4,0.0044,0,0,4,0.002,RMORE,90,0,4,0.003,0,90,!Adds,real constants to a setR,5,0.26600E-02,0.61640E-02R,6,0.42000E-03,0.66120E-02R,7,0.16090E-02,0.31320E-02R,8,0.80400E-03,0.31320E-02R,9,0.16800E-02,0.64620E-02!*!输入几何数据;!模型思路:每个箱梁截面单元划分相同,分为12个小体;!体上的节点编号按一定规则排列;!考虑这些节点上可以固定钢筋;

8、!至于非预应力钢筋,将65号混凝土单元折减成实常数输入;*DO,I,1,162,1 B1(I)=2.88*ENDDO*do,I,1,2,1 B3(I)=0.89 H6(I)=0.79 B4(I)=2.04 H1(I)=0.5 H2(I)=0.36 H4(I)=0.5 H5(I)=0.33*ENDDOB3(3)=1.75H6(3)=0.51*do,I,3,160,1 B4(I)=1.20 H1(I)=0.20 H2(I)=0.66 H4(I)=0.57 H5(I)=0.35*ENDDO*DO,I,1,3,1 B2(I)=0.55*ENDDO*DO,I,4,12,1 B2(I)=0.4 B3(I)

9、=1.9 H6(I)=0.61*ENDDO*DO,I,13,21,1 B2(I)=0.55 B3(I)=1.75 H6(I)=0.51*ENDDO*DO,I,22,31,1 B2(I)=0.4 B3(I)=1.9 H6(I)=0.61*ENDDO*DO,I,32,54,1 B2(I)=0.55 B3(I)=1.75 H6(I)=0.51*ENDDO*DO,I,55,70,1 B2(I)=0.4 B3(I)=1.9 H6(I)=0.61*ENDDO*DO,I,71,92,1 B2(I)=0.55 B3(I)=1.75 H6(I)=0.51*ENDDO*DO,I,93,108,1 B2(I)=0.

10、4 B3(I)=1.9 H6(I)=0.61*ENDDO*DO,I,109,131,1 B2(I)=0.55 B3(I)=1.75 H6(I)=0.51*ENDDO*DO,I,132,140,1 B2(I)=0.4 B3(I)=1.9 H6(I)=0.61*ENDDO*DO,I,141,149,1 B2(I)=0.55 B3(I)=1.75 H6(I)=0.51*ENDDO*DO,I,150,159,1 B2(I)=0.4 B3(I)=1.9 H6(I)=0.61*ENDDO*DO,I,160,162,1 B2(I)=0.55*ENDDOB3(160)=1.75H6(160)=0.51*DO,

11、I,161,162,1 B3(I)=0.89 H6(I)=0.79 B4(I)=2.04 H1(I)=0.50 H2(I)=0.36 H4(I)=0.50 H5(I)=0.33*ENDDO!每个箱梁箱底到截面中顶点的高度H3*do,i,1,24,1 h3(i)=1.77*enddoh3(25)=1.8,1.87,1.98,2.13,2.32,2.55,2.81,3.08,3.38,3.7,h3(35)=4.06,4.39,4.75,5.12,5.52,5.94,5.96,5.96,5.96,h3(44)=5.96,5.96,5.94,5.52,5.12,4.75,4.39,4.06,3.7,3

12、.38,h3(54)=3.08,2.81,2.55,2.32,2.13,1.98,1.87,1.8,1.77,1.77,h3(64)=1.8,1.87,1.98,2.13,2.32,2.55,2.81,3.08,3.38,3.7,h3(74)=4.06,4.39,4.75,5.12,5.52,5.94,5.96,5.96,5.96,h3(83)=5.96,5.94,5.52,5.12,4.75,4.39,4.06,3.7,3.38,h3(92)=3.08,2.81,2.55,2.32,2.13,1.98,1.87,1.8,1.77,1.77,h3(102)=1.8,1.87,1.98,2.13

13、,2.32,2.55,2.81,3.08,3.38,3.7,h3(112)=4.06,4.39,4.75,5.12,5.52,5.94,5.96,5.96,5.96,h3(121)=5.96,5.96,5.94,5.52,5.12,4.75,4.39,4.06,3.7,3.38,h3(131)=3.08,2.81,2.55,2.32,2.13,1.98,1.87,1.8,*do,i,139,162,1 h3(i)=1.77*enddo!每个箱梁截面中顶点x的坐标x0=0!每个箱梁截面中顶点z的坐标z0(1) =379.34,375.84,372.34,368.84,365.34,361.84,

14、358.34,355.14,352.00,348.50,z0(11)=346.50,343.00,339.50,336.00,332.50,331.90,330.00,328.10,327.50,324.00,z0(21)=320.50,317.00,313.50,311.50,307.50,303.50,299.50,295.50,291.50,287.50,z0(31)=283.50,280.00,276.50,273.00,269.50,266.50,263.50,260.50,257.50,254.50,z0(41)=253.70,252.10,250.00,248.10,246.50

15、,245.50,242.50,239.50,236.50,233.50,z0(51)=230.50,227.00,223.50,230.00,216.50,212.50,208.50,204.50,200.50,196.50,z0(61) = 192.50,188.50,186.50,182.50,178.50,174.50,170.50,166.50,162.50,158.50,z0(71) = 155.00,151.50,148.00,144.50,141.50,138.50,135.50,132.50,129.50,128.70,z0(81) = 127.10,122.90,121.30

16、,120.50,117.50,114.50,111.50,108.50,105.50,102.00,z0(91) = 98.50 ,95.00 ,91.50 ,87.50 ,83.50 ,79.50 ,75.50 ,71.50 ,67.50 ,63.50 ,z0(101) = 61.50,57.50,53.50,49.50,45.50,41.50,37.50,33.50,30.00,26.50,z0(111) = 23.00,19.50,16.50,13.50,10.50,7.50,4.50,3.50,1.90,0.00,z0(121) = -2.10,-3.70,-4.50,-7.50,-1

17、0.50,-13.50,-16.50,-19.50,-23.00,-26.50,z0(131) = -30.00,-33.50,-37.50,-41.50,-45.50,-49.50,-53.50,-57.50,-61.50,-63.50,z0(141) = -67.00,-70.50,-74.00,-77.50,-78.10,-80.00,-81.90,-82.50,-86.00,-89.50,z0(151) = -93.00,-96.50,-98.50,-102.00,-105.14,-108.34,-111.84,-115.34,-118.84,-122.34,z0(161) = -12

18、5.84,-129.70,!每个箱梁截面中顶点Y的坐标y0(1) = 64.54,64.61,64.67,64.73,64.79,64.85,64.91,64.96,65.01,65.07, y0(11) = 65.10,65.16,65.21,65.26,65.32,65.32,65.35,65.38,65.39,65.44,y0(21) = 65.49,65.54,65.58,65.61,65.66,65.72,65.77,65.81,65.86,65.91,y0(31) = 65.96,66.00,66.03,66.07,66.11,66.14,66.17,66.20,66.23,66.

19、25,y0(41) = 66.26,66.23,66.19,66.26,66.32,66.33,66.36,66.39,66.41,66.43,y0(51) = 66.46,66.48,66.51,66.53,66.55,66.58,66.60,66.63,66.65,66.67,y0(61) = 66.69,66.71,66.72,66.74,66.75,66.77,66.78,66.79,66.80,66.81,y0(71) = 66.82,66.83,66.83,66.84,66.84,66.85,66.85,66.85,66.80,66.81,y0(81) = 66.81,66.81,

20、66.81,66.80,66.85,66.85,66.85,66.84,66.84,66.83,y0(91) = 66.83,66.82,66.81,66.80,66.79,66.78,66.77,66.75,66.74,66.72,y0(101) = 66.71,66.69,66.67,66.65,66.63,66.60,66.58,66.55,66.53,66.51,y0(111) = 66.48,66.46,66.43,66.41,66.39,66.36,66.33,66.32,66.26,66.19,y0(121) = 66.23,66.26,66.25,66.23,66.20,66.

21、17,66.14,66.11,66.07,66.03,y0(131) = 66.00,65.96,65.91,65.86,65.81,65.77,65.72,65.66,65.61,65.58,y0(141) = 65.54,65.49,65.44,65.39,65.38,65.35,65.32,65.32,65.26,65.31,y0(151) = 65.16,65.10,65.07,65.01,64.96,64.91,64.85,64.79,64.73,64.67,y0(161) = 64.61,64.54,!*do,j,0,v_num,1 !形成点 k,1+j*k_num,x0-(b1(

22、j+1)+b2(j+1)+b3(j+1)+b4(j+1),y0(j+1)-h1(j+1),z0(j+1) k,2+j*k_num,x0-(b1(j+1)+b2(j+1)+b3(j+1)+b4(j+1),y0(j+1),z0(j+1) k,3+j*k_num,x0-(b2(j+1)+b3(j+1)+b4(j+1),y0(j+1),z0(j+1) k,4+j*k_num,x0-(b3(j+1)+b4(j+1),y0(j+1),z0(j+1) k,5+j*k_num,x0-b4(j+1),y0(j+1),z0(j+1) k,6+j*k_num,x0+b4(j+1),y0(j+1),z0(j+1) k

23、,7+j*k_num,x0+(b3(j+1)+b4(j+1),y0(j+1),z0(j+1) k,8+j*k_num,x0-(b2(j+1)+b3(j+1)+b4(j+1),y0(j+1),z0(j+1)k,9+j*k_num,x0+(b1(j+1)+b2(j+1)+b3(j+1)+b4(j+1),y0(j+1),z0(j+1)k,10+j*k_num,x0+(b1(j+1)+b2(j+1)+b3(j+1)+b4(j+1),y0(j+1)-h1(j+1),z0(j+1)k,11+j*k_num,x0+(b2(j+1)+b3(j+1)+b4(j+1),y0(j+1)-h1(j+1)-h2(j+1

24、),z0(j+1)k,12+j*k_num,x0+(b2(j+1)+b3(j+1)+b4(j+1),y0(j+1)-h1(j+1)-h2(j+1)-h3(j+1)+h6(j+1),z0(j+1)k,13+j*k_num,x0+(b2(j+1)+b3(j+1)+b4(j+1),y0(j+1)-h1(j+1)-h2(j+1)-h3(j+1),z0(j+1)k,14+j*k_num,x0+(b3(j+1)+b4(j+1),y0(j+1)-h1(j+1)-h2(j+1)-h3(j+1),z0(j+1)k,15+j*k_num,x0-(b3(j+1)+b4(j+1),y0(j+1)-h1(j+1)-h2

25、(j+1)-h3(j+1),z0(j+1)k,16+j*k_num,x0-(b2(j+1)+b3(j+1)+b4(j+1),y0(j+1)-h1(j+1)-h2(j+1)-h3(j+1),z0(j+1)k,17+j*k_num,x0-(b2(j+1)+b3(j+1)+b4(j+1),y0(j+1)-h1(j+1)-h2(j+1)-h3(j+1)+h6(j+1),z0(j+1)k,18+j*k_num,x0-(b2(j+1)+b3(j+1)+b4(j+1),y0(j+1)-h1(j+1)-h2(j+1),z0(j+1)k,19+j*k_num,x0-(b3(j+1)+b4(j+1),y0(j+1

26、)-h4(j+1)-h5(j+1),z0(j+1)k,20+j*k_num,x0-b4(j+1),y0(j+1)-h4(j+1),z0(j+1)k,21+j*k_num,x0+b4(j+1),y0(j+1)-h4(j+1),z0(j+1)k,22+j*k_num,x0+(b3(j+1)+b4(j+1),y0(j+1)-h4(j+1)-h5(j+1),z0(j+1)k,23+j*k_num,x0+(b3(j+1)+b4(j+1),y0(j+1)-h1(j+1)-h2(j+1)-h3(j+1)+h6(j+1),z0(j+1)k,24+j*k_num,x0-(b3(j+1)+b4(j+1),y0(j

27、+1)-h1(j+1)-h2(j+1)-h3(j+1)+h6(j+1),z0(j+1)!形成线L_num=36L,1+j*k_num,2+j*k_num,2L,2+j*k_num,3+j*k_num,4L,3+j*k_num,4+j*k_num,2L,4+j*k_num,5+j*k_num,2L,5+j*k_num,6+j*k_num,4L,6+j*k_num,7+j*k_num,2L,7+j*k_num,8+j*k_num,2L,8+j*k_num,9+j*k_num,4L,9+j*k_num,10+j*k_num,2L,10+j*k_num,11+j*k_num,4L,11+j*k_num

28、,12+j*k_num,5L,12+j*k_num,13+j*k_num,2L,13+j*k_num,14+j*k_num,2L,14+j*k_num,15+j*k_num,5L,15+j*k_num,16+j*k_num,2L,16+j*k_num,17+j*k_num,2L,17+j*k_num,18+j*k_num,5L,18+j*k_num,19+j*k_num,2L,19+j*k_num,20+j*k_num,2L,20+j*k_num,21+j*k_num,4L,21+j*k_num,22+j*k_num,2L,22+j*k_num,23+j*k_num,5L,23+j*k_num

29、,24+j*k_num,5L,24+j*k_num,19+j*k_num,5L,18+j*k_num,1+j*k_num,4*do,i,26,30,1 L,i-23+j*k_num,i-8+j*k_num,2*enddoL,11+j*k_num,8+j*k_num,2L,23+j*k_num,12+j*k_num,2L,23+j*k_num,14+j*k_num,2L,24+j*k_num,15+j*k_num,2L,24+j*k_num,17+j*k_num,2L,11+j*k_num,22+j*k_num,2*enddo!建立a_line线集合,临时性cm,a_line,line!截面上体

30、的个数VV_NUM=12!形成体*do,k,0,v_num-1,1v,1+k*k_num,2+k*k_num,3+k*k_num,18+k*k_num,1+(k+1)*k_num,2+(k+1)*k_num,3+(k+1)*k_num,18+(k+1)*k_num v,3+k*k_num,4+k*k_num,19+k*k_num,18+k*k_num,3+(k+1)*k_num,4+(k+1)*k_num,19+(k+1)*k_num,18+(k+1)*k_num v,4+k*k_num,5+k*k_num,20+k*k_num,19+k*k_num,4+(k+1)*k_num,5+(k+1)

31、*k_num,20+(k+1)*k_num,19+(k+1)*k_num v,5+k*k_num,6+k*k_num,21+k*k_num,20+k*k_num,5+(k+1)*k_num,6+(k+1)*k_num,21+(k+1)*k_num,20+(k+1)*k_num v,6+k*k_num,7+k*k_num,22+k*k_num,21+k*k_num,6+(k+1)*k_num,7+(k+1)*k_num,22+(k+1)*k_num,21+(k+1)*k_num v,7+k*k_num,8+k*k_num,11+k*k_num,22+k*k_num,7+(k+1)*k_num,8

32、+(k+1)*k_num,11+(k+1)*k_num,22+(k+1)*k_num v,8+k*k_num,9+k*k_num,10+k*k_num,11+k*k_num,8+(k+1)*k_num,9+(k+1)*k_num,10+(k+1)*k_num,11+(k+1)*k_num v,11+k*k_num,12+k*k_num,23+k*k_num,22+k*k_num,11+(k+1)*k_num,12+(k+1)*k_num,23+(k+1)*k_num,22+(k+1)*k_num v,23+k*k_num,12+k*k_num,13+k*k_num,14+k*k_num,23+

33、(k+1)*k_num,12+(k+1)*k_num,13+(k+1)*k_num,14+(k+1)*k_num v,23+k*k_num,14+k*k_num,15+k*k_num,24+k*k_num,23+(k+1)*k_num,14+(k+1)*k_num,15+(k+1)*k_num,24+(k+1)*k_num v,15+k*k_num,16+k*k_num,17+k*k_num,24+k*k_num,15+(k+1)*k_num,16+(k+1)*k_num,17+(k+1)*k_num,24+(k+1)*k_num v,17+k*k_num,18+k*k_num,19+k*k_

34、num,24+k*k_num,17+(k+1)*k_num,18+(k+1)*k_num,19+(k+1)*k_num,24+(k+1)*k_num *enddo cmsel,u,a_line lesize,all,2 allsel et,1,65 !定义混凝土65号单元 real,1 !采用实常数 MAT,1 !采用材料1 *DO,I,1,V_NUM*VV_NUM,1 !减少内存开支,每个体分别是逐一划分网格,时间耗费较长 vsweep,I *ENDDO et,2,8 !定义2号线单元 *GET,LMAX,LINE,NUM,MAX !获得线的最大编号 *DO,I,0,V_NUM,1 LSEL

35、,NONE !清空当前线选择,以便划分单元 L,4+K_NUM*I,15+K_NUM*I,1 !连接成横向预应力钢筋 L,7+K_NUM*I,14+K_NUM*I,1 MAT,6 REAL,7 lesize,all,1 !单元划分数为1 LMESH,ALL, !清空当前线选择,以便划分单元 L,1+K_NUM*I,10+K_NUM*I,1 !连接成竖向预应力钢筋 MAT,5 REAL,6 lesize,all,1 LMESH,ALL,1 LESEL,NONE*ENDDO !按照施工进度方案,定义每一阶段的纵向预应力钢索、竖向、横向预应力钢筋集合!每十天(TENDAY)浇筑一段混凝土箱梁,拉伸纵

36、向预应力钢索一次ALLSEL *do,TENDAY,1,16,1 LSEL,NONE !清空当前线选择,以便划分单元 ESEL,NONE !清空当前单元选择,以便划分单元 *IF,TENDAY,LT,5,THEN !纵向预应力钢索 L,18+(DUN_BEGIN(1)-TENDAY-1)*K_NUM,18+(DUN_END(1)+TENDAY)*K_NUM L,11+(DUN_BEGIN(1)-TENDAY-1)*K_NUM,11+(DUN_END(1)+TENDAY)*K_NUM L,18+(DUN_BEGIN(5)-TENDAY-1)*K_NUM,18+(DUN_END(5)+TENDAY

37、)*K_NUM L,11+(DUN_BEGIN(5)-TENDAY-1)*K_NUM,11+(DUN_END(5)+TENDAY)*K_NUM *ENDIF *do,i,2,4,1 L,18+(DUN_BEGIN(I)-TENDAY-1)*K_NUM,18+(DUN_END(I)+TENDAY)*K_NUM L,11+(DUN_BEGIN(I)-TENDAY-1)*K_NUM,11+(DUN_END(I)+TENDAY)*K_NUM *enddo TYPE,2 MAT,5 REAL,5 lesize,all,1 LMESH,ALL, *IF,TENDAY,LT,5,THEN LSEL,NONE

38、 *ENDDO *ENDIF LSEL,A,LMAX+3(DUN_BEGIN(1)-TENDAY)-2.LMAX+3*(DUN_BEGIN(1)-TENDAY+1),1LSEL,A,LMAX+3(DUN_END(1)-TENDAY)-2,LMAX+3*(DUN_END(1)-TENDAY+1),1LSEL,A,LMAX+3(DUN_BEGIN(5)-TENDAY)-2,LMAX+3*(DUN_BEGIN(5)-TENDAY+1),1LSEL,A,LMAX+3(DUN_END(5)-TENDAY)-2,LMAX+3*(DUN_END(5)-TENDAY+1),1 *ENDIF *do,i,2,4

39、,1 LSEL,A,LMAX+3*(DUN_BEGIN(I)-TENDAY)-2,LMAX+3*(DUN_BEGIN(I)-TENDAY+1),1 LSEL,A,LMAX+3*(DUN_END(I)-TENDAY)-2,LMAX+3*(DUN_END(I)+TENDAY+1),1 *enddo !选择线上单元 ESLL,A 建立预应力钢筋单元集合,命名形式如rebar1,rebar2. CM,Z_REBAR& TENDAY& ,ELEM *enddo !按照施工进度方案,定义合拢每一阶段的纵向预应力钢索、竖向、横向预应力钢筋集合*do,TENDAY,17,19,1 Allsel,all *IF

40、,TENDAY,EQ,17,THEN i1=1, i2=6, *endif *if,TENDAY,EQ,18,THEN i1=3, i2=4, *endif *if,TENDAY,EQ,19,THEN i1=2, i2=5, *endif ESEL,NONE MAT,5 TYPE,2 REAL,5 *DO,I,i1,i2,i2-i1 LSEL,NONE REAL,5 L,k_num*(LINK_TL(I)-1)+20,k_num*(LINK_TR(I)-1)+20 L,k_num*(LINK_TL(I)-1)+21,k_num*(LINK_TR(I)-1)+21 Lesize,all,1 LM

41、ESH,ALL Lsel,none REAL,9 L,k_num*(LINK_BL(I)-1)+17,k_num*(LINK_BR(I)-1)+17 L,k_num*(LINK_BL(I)-1)+24,k_num*(LINK_BR(I)-1)+24 L,k_num*(LINK_BL(I)-1)+23,k_num*(LINK_BR(I)-1)+23 L,k_num*(LINK_BL(I)-1)+12,k_num*(LINK_BR(I)-1)+12 Lesize,all,1 LMESH,ALL *ENDDOCM,Z_REBAR&TENDAY&,ELEM!建立预应力钢筋单元集合,命名形式如rebar

42、17,rebar18.*enddo ALLSEL !合并节点 NUMMRG,NODE !保存文件 SAVE, MODEL 10.2.2编制模拟混凝土浇注的施工过程 !读取模型数据,然后进入求解器 /solu LSCLEAR,ALL !清除数据库内的荷载信息 ALLSEL,ALL Asel,none !* !施加约束 DCUM,ADD !Specifies that DOF constraint values are to be accumulated ASEL,A,44 ASEL,A,53 ASEL,A,48 !引桥部分,和地面联系 *do,J,2,9,1 Asel,a,(j-2)*a_num+102 Asel,a,(j-2)*a_num+98 Asel,a,(j-2)*a_num+95*enddo !引桥部分,和地面联系 *do,J,153,1

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