结构力学课后习题答案 (7/4486)

END

C  P.2-2  分析图示体系的几何构造。
问题标题,PROB.2-2(a)
结点,1,0,0
结点,2,0,2
结点,3,0,4
结点,4,1.2,3
结点,5,1.2,1
结点,6,2.4,0
结点,7,2.4,2
结点,8,2.4,4
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,2,4,1,1,0,1,1,0
单元,1,5,1,1,0,1,1,0
单元,2,5,1,1,0,1,1,0
单元,4,7,1,1,0,1,1,0
单元,4,8,1,1,0,1,1,0
单元,5,7,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,6,2,0,0,0
END

问题标题,PROB.2-2(b)
结点,1,0,0
结点,2,0,2
结点,3,0,4
结点,4,1.2,3
结点,5,1.2,1
结点,6,2.4,0
结点,7,2.4,2
结点,8,2.4,4
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,2,4,1,1,0,1,1,0
单元,1,5,1,1,0,1,1,0
单元,2,5,1,1,0,1,1,0
单元,3,8,1,1,0,1,1,0
单元,4,7,1,1,0,1,1,0
单元,4,8,1,1,0,1,1,0
单元,5,7,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
结点支承,6,1,0,0
结点支承,1,2,-90,0,0
END

问题标题,PROB.2-2(c)
结点,1,0,0
结点,2,0,2
结点,3,0,3
结点,4,1.2,4
结点,5,1.2,2
结点,6,1.2,1
结点,7,2.4,0
结点,8,2.4,2
结点,9,2.4,3
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,3,5,1,1,0,1,1,0
单元,2,5,1,1,0,1,1,0
单元,2,6,1,1,0,1,1,0
单元,6,1,1,1,0,1,1,0
单元,1,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,8,9,1,1,0,1,1,0
单元,9,4,1,1,0,1,1,0
单元,9,5,1,1,0,1,1,0
单元,5,8,1,1,0,1,1,0
单元,8,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
结点支承,1,3,0,0,0
结点支承,7,1,0,0

END

C  P.2-3  分析图示体系的几何构造。
问题标题,PROB.2-3(a)
结点,1,0,0
结点,3,2,0
结点填充,1,3,1,2,1
结点,8,3,2
结点填充,1,8,3,4,1
结点填充,3,8,1,7,1
结点,10,4,0
结点,15,6,0
结点填充,8,10,1,9,1
结点填充,10,15,1,11,1
结点填充,8,15,3,12,1
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,10,1,1,0,1,1,0
单元,10,11,1,1,0,1,1,0
单元,10,15,1,1,0,1,1,0
单元,1,4,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,8,1,1,0,1,1,0
单元,4,2,1,1,0,1,1,0
单元,5,2,1,1,0,1,1,0
单元,5,3,1,1,0,1,1,0
单元,5,7,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,3,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,8,9,1,1,0,1,1,0
单元,9,10,1,1,0,1,1,0
单元,8,12,1,1,0,1,1,0
单元,12,13,1,1,0,1,1,0
单元,13,14,1,1,0,1,1,0
单元,14,15,1,1,0,1,1,0
单元,12,9,1,1,0,1,1,0
单元,13,9,1,1,0,1,1,0
单元,13,10,1,1,0,1,1,0
单元,13,11,1,1,0,1,1,0
单元,14,11,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,15,1,0,0

END

问题标题,PROB.2-3(b)
结点,1,0,0
结点,5,4,0
结点填充,1,5,3,2,1
结点,9,2,3
结点填充,1,9,1,6,1
结点填充,5,9,1,8,1
结点填充,6,8,1,7,1
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,1,1,1,0
单元,4,5,1,1,0,1,1,0
单元,1,6,1,1,0,1,1,0
单元,1,7,1,1,0,1,1,0
单元,2,6,1,1,0,1,1,0
单元,3,7,1,1,0,1,1,0
单元,4,8,1,1,0,1,1,0
单元,5,7,1,1,0,1,1,0
单元,5,8,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,6,9,1,1,0,1,1,0
单元,8,7,1,1,0,1,1,0
单元,8,9,1,1,0,1,1,0
END

问题标题,PROB.2-3(c)
结点,1,0,0
结点,5,4,0
结点填充,1,5,3,2,1
结点,6,0,1
结点,10,4,1
结点填充,6,10,3,7,1
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,8,9,1,1,0,1,1,0
单元,9,10,1,1,0,1,1,0
单元,1,6,1,1,0,1,1,0
单元,2,6,1,1,0,1,1,0
单元,2,7,1,1,0,1,1,0
单元,3,7,1,1,0,1,1,0
单元,3,8,1,1,0,1,1,0
单元,4,9,1,1,0,1,1,0
单元,4,10,1,1,0,1,1,0
单元,5,9,1,1,0,1,1,0
单元,5,10,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,3,1,0,0
结点支承,5,1,0,0

END

问题标题,PROB.2-3(d)
结点,1,0,0
结点,2,1,0
结点,3,2,0
结点,4,3,0
结点,5,0,1
结点,6,1,1
结点,7,2,1
结点,8,3,1
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,1,5,1,1,0,1,1,0
单元,5,2,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,2,6,1,1,0,1,1,0
单元,2,7,1,1,0,1,1,0
单元,2,8,1,1,0,1,1,0
单元,3,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,4,8,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,4,2,0,0,0

END

C  P.2-4  分析图示体系的几何构造。
问题标题,PROB.2-4(a)
结点,1,0,0
结点,2,0,1
结点,4,1,1.25
结点填充,2,4,1,3,1
结点,6,2,1
结点填充,4,6,1,5,1
结点,7,2,0
单元,1,2,1,1,0,1,1,0
单元,1,5,1,1,0,1,1,0
单元,1,7,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,1
单元,3,4,1,1,1,1,1,1
单元,4,5,1,1,0,1,1,1
单元,5,6,1,1,1,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,3,1,1,0,1,1,0
结点支承,1,3,0,0,0
结点支承,7,1,0,0

END

问题标题,PROB.2-4(b)
结点,1,0,0
结点,2,0,2
结点,3,1.2,2
结点,4,2.4,2
结点,5,2.4,0
结点,6,1.2,0
结点,7,1.2,1
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,1,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,2,1,1,0,1,1,0
单元,7,4,1,1,0,1,1,0
单元,1,3,1,1,0,1,1,0
单元,5,3,1,1,0,1,1,0
END

问题标题,PROB.2-4(c)
let,l=2,f=1.6,n=20,dt=l/n,A0=1,I0=10
结点,1,-l/2+0*dt,-4*f*(-l/2+0*dt)**2/(l**2)
结点,2,-l/2+1*dt,-4*f*(-l/2+1*dt)**2/(l**2)
结点,3,-l/2+2*dt,-4*f*(-l/2+2*dt)**2/(l**2)
结点,4,-l/2+3*dt,-4*f*(-l/2+3*dt)**2/(l**2)
结点,5,-l/2+4*dt,-4*f*(-l/2+4*dt)**2/(l**2)
结点,6,-l/2+5*dt,-4*f*(-l/2+5*dt)**2/(l**2)
结点,7,-l/2+6*dt,-4*f*(-l/2+6*dt)**2/(l**2)
结点,8,-l/2+7*dt,-4*f*(-l/2+7*dt)**2/(l**2)
结点,9,-l/2+8*dt,-4*f*(-l/2+8*dt)**2/(l**2)
结点,10,-l/2+9*dt,-4*f*(-l/2+9*dt)**2/(l**2)
结点,11,-l/2+10*dt,-4*f*(-l/2+10*dt)**2/(l**2)
结点,12,-l/2+11*dt,-4*f*(-l/2+11*dt)**2/(l**2)
结点,13,-l/2+12*dt,-4*f*(-l/2+12*dt)**2/(l**2)
结点,14,-l/2+13*dt,-4*f*(-l/2+13*dt)**2/(l**2)
结点,15,-l/2+14*dt,-4*f*(-l/2+14*dt)**2/(l**2)
结点,16,-l/2+15*dt,-4*f*(-l/2+15*dt)**2/(l**2)
结点,17,-l/2+16*dt,-4*f*(-l/2+16*dt)**2/(l**2)
结点,18,-l/2+17*dt,-4*f*(-l/2+17*dt)**2/(l**2)
结点,19,-l/2+18*dt,-4*f*(-l/2+18*dt)**2/(l**2)
结点,20,-l/2+19*dt,-4*f*(-l/2+19*dt)**2/(l**2)
结点,21,-l/2+20*dt,-4*f*(-l/2+20*dt)**2/(l**2)

结点,n+2,l/2+1*dt,-4*f*(-l/2+1*dt)**2/(l**2)
结点,n+3,l/2+2*dt,-4*f*(-l/2+2*dt)**2/(l**2)
结点,n+4,l/2+3*dt,-4*f*(-l/2+3*dt)**2/(l**2)
结点,n+5,l/2+4*dt,-4*f*(-l/2+4*dt)**2/(l**2)
结点,n+6,l/2+5*dt,-4*f*(-l/2+5*dt)**2/(l**2)
结点,n+7,l/2+6*dt,-4*f*(-l/2+6*dt)**2/(l**2)
结点,n+8,l/2+7*dt,-4*f*(-l/2+7*dt)**2/(l**2)
结点,n+9,l/2+8*dt,-4*f*(-l/2+8*dt)**2/(l**2)
结点,n+10,l/2+9*dt,-4*f*(-l/2+9*dt)**2/(l**2)
结点,n+11,l/2+10*dt,-4*f*(-l/2+10*dt)**2/(l**2)
结点,n+12,l/2+11*dt,-4*f*(-l/2+11*dt)**2/(l**2)
结点,n+13,l/2+12*dt,-4*f*(-l/2+12*dt)**2/(l**2)
结点,n+14,l/2+13*dt,-4*f*(-l/2+13*dt)**2/(l**2)
结点,n+15,l/2+14*dt,-4*f*(-l/2+14*dt)**2/(l**2)
结点,n+16,l/2+15*dt,-4*f*(-l/2+15*dt)**2/(l**2)
结点,n+17,l/2+16*dt,-4*f*(-l/2+16*dt)**2/(l**2)
结点,n+18,l/2+17*dt,-4*f*(-l/2+17*dt)**2/(l**2)
结点,n+19,l/2+18*dt,-4*f*(-l/2+18*dt)**2/(l**2)
结点,n+20,l/2+19*dt,-4*f*(-l/2+19*dt)**2/(l**2)
结点,n+21,l/2+20*dt,-4*f*(-l/2+20*dt)**2/(l**2)

结点,2*n+2,2+l/2+1*dt,-4*f*(-l/2+1*dt)**2/(l**2)
结点,2*n+3,2+l/2+2*dt,-4*f*(-l/2+2*dt)**2/(l**2)
结点,2*n+4,2+l/2+3*dt,-4*f*(-l/2+3*dt)**2/(l**2)
结点,2*n+5,2+l/2+4*dt,-4*f*(-l/2+4*dt)**2/(l**2)
结点,2*n+6,2+l/2+5*dt,-4*f*(-l/2+5*dt)**2/(l**2)
结点,2*n+7,2+l/2+6*dt,-4*f*(-l/2+6*dt)**2/(l**2)
结点,2*n+8,2+l/2+7*dt,-4*f*(-l/2+7*dt)**2/(l**2)
结点,2*n+9,2+l/2+8*dt,-4*f*(-l/2+8*dt)**2/(l**2)
结点,2*n+10,2+l/2+9*dt,-4*f*(-l/2+9*dt)**2/(l**2)
结点,2*n+11,2+l/2+10*dt,-4*f*(-l/2+10*dt)**2/(l**2)
结点,2*n+12,2+l/2+11*dt,-4*f*(-l/2+11*dt)**2/(l**2)
结点,2*n+13,2+l/2+12*dt,-4*f*(-l/2+12*dt)**2/(l**2)
结点,2*n+14,2+l/2+13*dt,-4*f*(-l/2+13*dt)**2/(l**2)
结点,2*n+15,2+l/2+14*dt,-4*f*(-l/2+14*dt)**2/(l**2)
结点,2*n+16,2+l/2+15*dt,-4*f*(-l/2+15*dt)**2/(l**2)
结点,2*n+17,2+l/2+16*dt,-4*f*(-l/2+16*dt)**2/(l**2)
结点,2*n+18,2+l/2+17*dt,-4*f*(-l/2+17*dt)**2/(l**2)
结点,2*n+19,2+l/2+18*dt,-4*f*(-l/2+18*dt)**2/(l**2)
结点,2*n+20,2+l/2+19*dt,-4*f*(-l/2+19*dt)**2/(l**2)
结点,2*n+21,2+l/2+20*dt,-4*f*(-l/2+20*dt)**2/(l**2)
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,1
单元生成,7,2,2,1
单元,10,11,1,1,1,1,1,0
单元,11,12,1,1,0,1,1,1
单元,12,13,1,1,1,1,1,1
单元生成,7,12,12,1
单元,20,21,1,1,1,1,1,1
单元,n+1,n+2,1,1,1,1,1,1
单元,n+2,n+3,1,1,1,1,1,1
单元生成,7,22,22,1
单元,n+10,n+11,1,1,1,1,1,0
单元,n+11,n+12,1,1,0,1,1,1
单元,n+12,n+13,1,1,1,1,1,1
单元生成,7,32,32,1
单元,n+20,n+21,1,1,1,1,1,1
单元,2*n+1,2*n+2,1,1,1,1,1,1
单元,2*n+2,2*n+3,1,1,1,1,1,1
单元生成,7,42,42,1
单元,2*n+10,2*n+11,1,1,1,1,1,0
单元,2*n+11,2*n+12,1,1,0,1,1,1
单元,2*n+12,2*n+13,1,1,1,1,1,1
单元生成,7,52,52,1
单元,2*n+20,2*n+21,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,21,1,0,0
结点支承,41,1,0,0
结点支承,61,2,0,0,0

end

END

问题标题,PROB.3-16(b)
结点,1,0,0
结点,2,1,0
结点,3,2,0
结点,4,3,0
结点,5,4,0
结点生成,1,5,1,5,1,0,1
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元生成,1,1,4,5
单元,6,1,1,1,0,1,1,0
单元生成,4,9,9,1
单元,7,1,1,1,0,1,1,0
单元,8,2,1,1,0,1,1,0
单元,7,3,1,1,0,1,1,0
单元,9,5,1,1,0,1,1,0
c 结点支承,1,3,0,0,0
c 结点支承,5,1,0,0

END

问题标题,PROB.3-16(c)
结点,1,0,0
结点,2,1,0
结点,3,2,0
结点,4,3,0
结点,5,4,0
结点,6,5,0
结点,7,6,0
结点,8,0,1
结点,9,0.5,1.1
结点,10,1,1.2
结点,11,1.5,1.3
结点,12,2,1.4
结点,13,2.5,1.5
结点,14,3,1.6
结点,15,3.5,1.5
结点,16,4,1.4
结点,17,4.5,1.3
结点,18,5,1.2
结点,19,5.5,1.1
结点,20,6,1
结点,21,0.5,0.5
结点,22,1.5,0.6
结点,23,2.5,0.7
结点,24,3.5,0.7
结点,25,4.5,0.6
结点,26,5.5,0.5
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,8,9,1,1,0,1,1,0
单元,9,10,1,1,0,1,1,0
单元,10,11,1,1,0,1,1,0
单元,11,12,1,1,0,1,1,0
单元,12,13,1,1,0,1,1,0
单元,13,14,1,1,0,1,1,0
单元,14,15,1,1,0,1,1,0
单元,15,16,1,1,0,1,1,0
单元,16,17,1,1,0,1,1,0
单元,17,18,1,1,0,1,1,0
单元,18,19,1,1,0,1,1,0
单元,19,20,1,1,0,1,1,0
单元,1,8,1,1,0,1,1,0
单元,2,10,1,1,0,1,1,0
单元,3,12,1,1,0,1,1,0
单元,14,4,1,1,0,1,1,0
单元,5,16,1,1,0,1,1,0
单元,6,18,1,1,0,1,1,0
单元,7,20,1,1,0,1,1,0
单元,2,21,1,1,0,1,1,0
单元,21,8,1,1,0,1,1,0
单元,21,9,1,1,0,1,1,0
单元,21,10,1,1,0,1,1,0
单元,22,10,1,1,0,1,1,0
单元,22,2,1,1,0,1,1,0
单元,22,11,1,1,0,1,1,0
单元,22,12,1,1,0,1,1,0
单元,23,4,1,1,0,1,1,0
单元,23,12,1,1,0,1,1,0
单元,23,13,1,1,0,1,1,0
单元,23,14,1,1,0,1,1,0
单元,24,4,1,1,0,1,1,0
单元,24,14,1,1,0,1,1,0
单元,24,15,1,1,0,1,1,0
单元,24,16,1,1,0,1,1,0
单元,25,6,1,1,0,1,1,0
单元,25,16,1,1,0,1,1,0
单元,25,17,1,1,0,1,1,0
单元,25,18,1,1,0,1,1,0
单元,26,6,1,1,0,1,1,0
单元,26,18,1,1,0,1,1,0
单元,26,19,1,1,0,1,1,0
单元,26,20,1,1,0,1,1,0
C 结点支承,1,2,-90,0,0
C 结点支承,7,1,0,0

END

问题标题,PROB.3-16(d)
结点,1,0,0
结点,2,1,0.5
结点,3,2,1
结点,4,3,1.5
结点,5,1.2,0
结点,6,2.2,0.8
结点,7,4,1
结点,8,5,0.5
结点,9,6,0
结点,10,4.8,0
结点,11,3.8,0.8
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,1,5,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,4,1,1,0,1,1,0
单元,4,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,8,9,1,1,0,1,1,0
单元,9,10,1,1,0,1,1,0
单元,10,11,1,1,0,1,1,0
单元,11,4,1,1,0,1,1,0
单元,10,5,1,1,0,1,1,0
单元,2,6,1,1,0,1,1,0
单元,8,11,1,1,0,1,1,0
单元,11,7,1,1,0,1,1,0
单元,3,6,1,1,0,1,1,0
单元,5,2,1,1,0,1,1,0
单元,8,10,1,1,0,1,1,0
C 结点支承,1,2,-90,0,0
C 结点支承,9,1,0,0

END

问题标题,PROB.3-16(e)
结点,1,0,0
结点,2,2,0
结点,3,.4,1
结点,4,1.6,1
结点,5,0.4,2
结点,6,1.6,2
结点,7,0,3
结点,8,2,3
单元,1,3,1,1,0,1,1,0
单元,3,5,1,1,0,1,1,0
单元,5,7,1,1,0,1,1,0
单元,7,6,1,1,0,1,1,0
单元,8,5,1,1,0,1,1,0
单元,8,6,1,1,0,1,1,0
单元,6,4,1,1,0,1,1,0
单元,4,2,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元,3,6,1,1,0,1,1,0
单元,1,4,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,2,2,0,0,0

END

问题标题,PROB.3-16(f)
结点,1,0,0
结点,2,1,0
结点,3,2,0
结点,4,3,0
结点,6,1,2
结点,7,2,2
结点,8,0,3
结点,9,3,3
单元,6,3,1,1,0,1,1,0
单元,2,7,1,1,0,1,1,0
单元,7,6,1,1,0,1,1,0
单元,6,8,1,1,0,1,1,0
单元,7,9,1,1,0,1,1,0
单元,9,8,1,1,0,1,1,0
单元,8,1,1,1,0,1,1,0
单元,4,9,1,1,0,1,1,0
结点支承,1,4,0,0,0
结点支承,2,4,0,0,0
结点支承,3,4,0,0,0
结点支承,4,4,0,0,0

END

C P.3-17用结点法或截面法求下列图示行架各杆的轴力。
问题标题,PROB.3-17(a)
结点,1,0,0
结点,2,6,0
结点,3,0,4
结点,4,3,4
结点,5,6,4
结点,6,0,8
结点,7,3,8
结点,8,6,8
单元,1,2,1,1,0,1,1,0
单元,1,3,1,1,0,1,1,0
单元,1,4,1,1,0,1,1,0
单元,4,2,1,1,0,1,1,0
单元,2,5,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元,3,6,1,1,0,1,1,0
单元,3,7,1,1,0,1,1,0
单元,5,7,1,1,0,1,1,0
单元,5,8,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,2,1,0,0
结点荷载,7,1,8,-90
结点荷载,8,1,4,180
结点荷载,5,1,4,180
尺寸线,1,0.4,0.3,9.6,1.0,0.5,0,-1.6,3m,3,-1.6,3m,6,-1.6
尺寸线,1,0.4,0.6,9.6,1.0,0.5,-1.55,4,4m,-1.55,8
尺寸线,1,0.4,0.4,9.6,1.0,0.5,-1.55,0,4m,-1.55,4
文本,3.1,9.5,8kN,0,0,11
文本,7.2,8.8,4kN,0,0,11
文本,7.2,4.8,4kN,0,0,11
文本,0.8258,-0.4267,A,0,0,11
文本,4.7661,-0.4267,B,0,0,11

END

问题标题,PROB.3-17(b)
变量定义,P=1
结点,1,0,0
结点,2,8,0
结点,3,2,4
结点,4,6,4
结点,5,2,7
结点,6,6,7
结点,7,0,10
结点,8,8,10
单元,1,4,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,6,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元,5,8,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,1,3,1,1,0,1,1,0
单元,3,5,1,1,0,1,1,0
单元,5,7,1,1,0,1,1,0
单元,2,4,1,1,0,1,1,0
单元,4,6,1,1,0,1,1,0
单元,6,8,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,2,2,0,0,0
结点荷载,8,1,P,-90
结点荷载,7,1,P,-90
尺寸线,1,0.5,0.4,9.6,1.0,0.5,0,-2.0,2m,2.0,-2.0,4m,6,-2.0,2m,8,-2.0
尺寸线,1,0.6,0.4,9.6,1.0,0.5,10.2,0,4m,10.2,4,3m,10.2,7,3m,10.2,10
文本,0.1,12,{Eq:F_P},0,0,12
文本,8.1,12,{Eq:F_P},0,0,12
文本,0.6,0.7,A,1,0,11
文本,6.4,4.5,B,1,0,11

END

问题标题,PROB.3-17(c)
变量定义,a=1
变量定义,P=1
结点,1,0,0
结点,2,a,0
结点,3,2*a,0
结点,4,3*a,0
结点,5,4*a,0
结点,6,0,a
结点,7,a,a
结点,8,2*a,a
结点,9,3*a,a
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元,1,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,8,9,1,1,0,1,1,0
单元,2,6,1,1,0,1,1,0
单元,2,7,1,1,0,1,1,0
单元,7,3,1,1,0,1,1,0
单元,3,8,1,1,0,1,1,0
单元,8,4,1,1,0,1,1,0
单元,4,9,1,1,0,1,1,0
单元,9,5,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,6,1,-90,0
结点荷载,2,-1,P,90
尺寸线,1,0.34,0.15,9.6,1.0,0.5,0,-0.75*a,4a,4*a,-0.75*a
尺寸线,1,0.34,0.15,9.6,1.0,0.5,4.5*a,0,a,4.5*a,a
文本,1.1*a,-0.4*a,{Eq:F_P},0,0,12
文本,0.1,0.3,A,1,0,11
文本,0.1,1.3,B,1,0,11
文本,1.1,0.3,C,1,0,11

END

问题标题,PROB.3-17(d)
变量定义,P1=1,P2=2
变量定义,a=1
结点,1,0,0
结点,2,a,0
结点,3,2*a,0
结点,4,3*a,0
结点,5,4*a,0
结点,6,a,a
结点,7,2*a,a
结点,8,3*a,a
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元,1,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,2,6,1,1,0,1,1,0
单元,3,6,1,1,0,1,1,0
单元,7,3,1,1,0,1,1,0
单元,3,8,1,1,0,1,1,0
单元,8,4,1,1,0,1,1,0
单元,8,5,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,5,1,0,0
结点荷载,6,1,P2,-90
结点荷载,2,1,P2,90
结点荷载,7,1,P1,-45
结点荷载,4,1,P1,135
尺寸线,1,0.2,0.1,9.6,1.0,0.5,0,-0.75*a,4a,4*a,-0.75*a
尺寸线,1,0.2,0.1,9.6,1.0,0.5,4.5*a,0,a,4.5*a,a
文本,1.1*a,-0.5*a,{Eq:F_P},0,0,12
文本,1.325*a,-0.5*a+0.02,2,0,0,7.5
文本,1.05*a,1.4*a,{Eq:F_P},0,0,12
文本,1.05*a+0.225,1.4*a+0.02,2,0,0,7.5
文本,1.7*a,1.5*a,{Eq:F_P},0,0,12
文本,1.7*a+0.225,1.5*a+0.02,1,0,0,7.5
文本,3*a,-0.6*a,{Eq:F_P},0,0,12
文本,3*a+0.225,-0.58*a,1,0,0,7.5
文本,0.75,-0.1,A,1,0,11
文本,0.8,1.3,B,1,0,11
文本,1.8,-0.1,C,1,0,11
文本,3.1,1.2,D,1,0,11
END

C P.3-18求图示各行架中指定杆的内力
问题标题,PROB.3-18(a)
变量定义,P=1
结点,1,0,0
结点,2,4,0
结点,3,8,0
结点,4,12,0
结点,5,16,0
结点,6,20,0
结点,7,24,0
结点生成,1,7,1,7,1,0,3
结点生成,1,14,1,7,1,0,6
单元,1,2,1,1,0,1,1,0
单元生成,5,1,1,1
单元,15,16,1,1,0,1,1,0
单元生成,5,7,7,1
单元,1,8,1,1,0,1,1,0
单元生成,2,13,13,1
单元,4,11,1,1,0,1,1,1
单元,5,12,1,1,0,1,1,0
单元生成,2,17,17,1
单元,8,15,1,1,0,1,1,0
单元生成,2,20,20,1
单元,11,18,1,1,1,1,1,0
单元,12,19,1,1,0,1,1,0
单元生成,2,24,24,1
单元,2,8,1,1,0,1,1,0
单元生成,2,27,27,1
单元,4,12,1,1,0,1,1,0
单元生成,2,30,30,1
单元,8,16,1,1,0,1,1,0
单元生成,2,33,33,1
单元,18,12,1,1,0,1,1,0
单元生成,2,36,36,1
结点支承,1,2,-90,0,0
结点支承,7,1,0,0
结点荷载,15,1,P/2,-90
结点荷载,16,1,P,-90
结点荷载,17,1,P,-90
结点荷载,18,1,P,-90
结点荷载,19,1,P,-90
结点荷载,20,1,P,-90
结点荷载,21,1,P/2,-90
尺寸线,1,0.8,0.6,9.6,1.0,0.5,0,-3.6,4m x 6 = 24m,24,-3.6
尺寸线,1,0.8,0.5,9.6,1.0,0.5,26,0,3m ,26,3,3m ,26,6
文本,.5,10,{Eq:{F_p\over 2}},0,0,12
文本,4.5,10,{Eq:F_P},0,0,12
文本,8.5,10,{Eq:F_P},0,0,12
文本,12.55,10,{Eq:F_P},0,0,12
文本,16.5,10,{Eq:F_P},0,0,12
文本,20.5,10,{Eq:F_P},0,0,12
文本,24.5,10,{Eq:{F_p\over 2}},0,0,12
文本,7,4.8,1,0,0,12
文本,10,7.1,2,0,0,12
文本,10,4.2,3,0,0,12

END

问题标题,PROB.3-18(b)
结点,1,0,0
结点,2,3,0
结点生成,5,1,1,2,1,3,0
结点,8,3,4
结点生成,4,1,8,8,1,3,0
结点,13,6,2
结点,14,12,2
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,8,9,1,1,0,1,1,0
单元,9,10,1,1,0,1,1,0
单元,10,11,1,1,0,1,1,0
单元,11,12,1,1,0,1,1,0
单元,1,8,1,1,0,1,1,0
单元,8,2,1,1,0,1,1,0
单元,13,3,1,1,0,1,1,0
单元,2,13,1,1,0,1,1,0
单元,13,4,1,1,0,1,1,0
单元,13,8,1,1,0,1,1,0
单元,13,9,1,1,0,1,1,0
单元,4,10,1,1,0,1,1,0
单元,4,14,1,1,0,1,1,0
单元,14,12,1,1,0,1,1,0
单元,5,14,1,1,0,1,1,0
单元,14,11,1,1,0,1,1,0
单元,6,14,1,1,0,1,1,0
单元,6,12,1,1,0,1,1,0
单元,12,7,1,1,0,1,1,0
结点支承,1,3,0,0,0
结点支承,7,1,0,0
结点荷载,2,-1,20,90
结点荷载,3,-1,20,90
结点荷载,4,-1,40,90
尺寸线,1,0.8,0.6,9.6,1.0,0.5,0,-4,6 x 3m = 18m,18,-4
尺寸线,1,0.8,0.6,9.6,1.0,0.5,19.5,0,4m ,19.5,4
文本,3.3,-1.7,20kN,0,0,11
文本,6.3,-1.7,20kN,0,0,11
文本,9.3,-1.7,40kN,0,0,11
文本,7.5,-0.1,1,0,0,11
文本,7.5,2.3,2,0,0,11
文本,4,2.3,3,0,0,11

END

问题标题,PROB.3-18(c)
变量定义,P=1
变量定义,a=2
结点,1,0,0
结点,2,a,a
结点,3,2*a,2*a
结点,4,3*a,3*a
结点,5,0,a
结点,6,a,2*a
结点,7,2*a,3*a
结点,8,3*a,4*a
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,1,5,1,1,0,1,1,0
单元,5,2,1,1,0,1,1,0
单元,2,6,1,1,0,1,1,0
单元,6,3,1,1,0,1,1,0
单元,3,7,1,1,0,1,1,0
单元,7,4,1,1,0,1,1,0
单元,4,8,1,1,0,1,1,0
结点支承,1,3,0,0,0
结点支承,4,1,0,0
结点荷载,3,-1,P,90
尺寸线,1,0.4,0.2,9.6,1.0,0.5,0,-0.75*a,3a,3*a,-0.75*a
尺寸线,1,0.4,0.2,9.6,1.0,0.5,3.5*a,0,3a ,3.5*a,3*a,a ,3.5*a,4*a
文本,2.1*a,1.3*a,{Eq:F_P},0,0,12
文本,4.4,7.5,1,0,0,11
文本,3,4.8,2,0,0,11
文本,2.1,3.3,3,0,0,11
文本,3.1,3,4,0,0,11

END

问题标题,PROB.3-18(d)
结点,1,0,0
结点生成,10,1,1,1,1,2,0
结点,12,2,-2
结点生成,3,1,12,12,1,2,0
结点,16,12,-2
结点生成,3,1,16,16,1,2,0
结点,20,2+2/3,-4
结点,21,4,-4
结点,22,2+4/3,-6
结点,23,4,-6
结点,24,4,-8
结点,25,16,-4
结点,26,16+4/3,-4
结点,27,16,-6
结点,28,16+2/3,-6
结点,29,16,-8
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,8,9,1,1,0,1,1,0
单元,9,10,1,1,0,1,1,0
单元,10,11,1,1,0,1,1,0
单元,12,13,1,1,0,1,1,0
单元,13,14,1,1,0,1,1,0
单元,14,15,1,1,0,1,1,0
单元,16,17,1,1,0,1,1,0
单元,17,18,1,1,0,1,1,0
单元,18,19,1,1,0,1,1,0
单元,1,12,1,1,0,1,1,0
单元,2,12,1,1,0,1,1,0
单元,3,13,1,1,0,1,1,0
单元,3,12,1,1,0,1,1,0
单元,4,14,1,1,0,1,1,0
单元,4,13,1,1,0,1,1,0
单元,5,14,1,1,0,1,1,0
单元,5,15,1,1,0,1,1,0
单元,15,6,1,1,0,1,1,0
单元,6,16,1,1,0,1,1,0
单元,16,7,1,1,0,1,1,0
单元,17,8,1,1,0,1,1,0
单元,7,17,1,1,0,1,1,0
单元,9,18,1,1,0,1,1,0
单元,9,19,1,1,0,1,1,0
单元,18,8,1,1,0,1,1,0
单元,10,19,1,1,0,1,1,0
单元,19,11,1,1,0,1,1,0
单元,20,12,1,1,0,1,1,0
单元,21,13,1,1,0,1,1,0
单元,20,21,1,1,0,1,1,0
单元,20,22,1,1,0,1,1,0
单元,21,23,1,1,0,1,1,0
单元,23,22,1,1,0,1,1,0
单元,22,24,1,1,0,1,1,0
单元,24,23,1,1,0,1,1,0
单元,20,13,1,1,0,1,1,0
单元,21,22,1,1,0,1,1,0
单元,18,25,1,1,0,1,1,0
单元,25,26,1,1,0,1,1,0
单元,26,18,1,1,0,1,1,0
单元,26,19,1,1,0,1,1,0
单元,27,25,1,1,0,1,1,0
单元,28,25,1,1,0,1,1,0
单元,28,26,1,1,0,1,1,0
单元,29,27,1,1,0,1,1,0
单元,29,28,1,1,0,1,1,0
单元,27,28,1,1,0,1,1,0
结点支承,24,2,-90,0,0
结点支承,29,2,0,0,0
结点荷载,1,1,4,-90
结点荷载,6,1,20,-90
结点荷载,11,1,12,-90
尺寸线,1,0.8,0.6,9.6,1.0,0.5,4,-11,2m x 6 = 12m,16,-11
尺寸线,1,0.8,0.6,9.6,1.0,0.5,0,-11,4m,4,-11
尺寸线,1,0.8,0.6,9.6,1.0,0.5,16,-11,4m,20,-11
尺寸线,1,0.8,0.6,9.6,1.0,0.5,23,-8,2m x 4 = 8m ,23,0
文本,0.3,3.3,4kN,0,0,11
文本,10.3,3.3,20kN,0,0,11
文本,20.3,3.3,12kN,0,0,11
文本,7,0.8,1,0,0,11
文本,7.4,-0.7,2,0,0,11
文本,7,-2.1,3,0,0,11

END

问题标题,PROB.3-18(e)
结点,1,0,0
结点生成,6,1,1,1,1,2,0
结点生成,1,7,1,7,1,0,2.4
单元,1,2,1,1,0,1,1,0
单元生成,5,1,1,1
单元生成,1,1,6,7
单元,1,8,1,1,0,1,1,0
单元生成,6,13,13,1
单元,2,8,1,1,0,1,1,0
单元,8,3,1,1,0,1,1,0
单元生成,4,21,21,1
结点支承,1,2,-90,0,0
结点支承,7,1,0,0
结点荷载,8,1,4,0
结点荷载,2,-1,1,90
结点荷载,3,-1,2,90
结点荷载,4,-1,2,90
结点荷载,5,-1,2,90
结点荷载,6,-1,1,90
尺寸线,1,0.9,0.5,9.6,1.0,0.5,0,-3.4,2m x 6 = 12m,12,-3.4
尺寸线,1,0.7,0.5,9.6,1.0,0.5,13.5,0,2.4m ,13.5,2.4
文本,2.1,-0.7,1kN,0,0,11
文本,4.1,-0.7,2kN,0,0,11
文本,6.1,-0.7,2kN,0,0,11
文本,8.1,-0.7,2kN,0,0,11
文本,10.1,-0.7,1kN,0,0,11
文本,-2,2.3,4kN,0,0,11
文本,7,3,1,0,0,11
文本,7.5,2,2,0,0,11
文本,7,-0.1,3,0,0,11
文本,6.1,1.8,4,0,0,11

END

问题标题,PROB.3-18(f)
结点,1,0,0
结点生成,4,1,1,1,1,0,3
结点生成,1,5,1,5,1,3,0
结点,11,6,10.5
结点,12,-2,9
结点,13,-4,9
结点,14,-2,10.5
单元,1,2,1,1,0,1,1,0
单元生成,3,1,1,1
单元生成,1,1,4,5
单元,1,6,1,1,0,1,1,0
单元生成,4,9,9,1
单元,10,11,1,1,0,1,1,0
单元,11,9,1,1,0,1,1,0
单元,6,11,1,1,0,1,1,0
单元,4,12,1,1,0,1,1,0
单元,12,13,1,1,0,1,1,0
单元,13,14,1,1,0,1,1,0
单元,14,5,1,1,0,1,1,0
单元,12,14,1,1,0,1,1,0
单元,14,4,1,1,0,1,1,0
单元,3,9,1,1,0,1,1,0
单元,3,7,1,1,0,1,1,0
单元,7,1,1,1,0,1,1,0
结点支承,6,2,0,0,0
结点支承,1,1,0,0
结点荷载,5,-1,1,0
结点荷载,13,-1,1,0
结点荷载,13,-1,2,90
结点荷载,12,-1,2,90
结点荷载,11,-1,4,90
尺寸线,1,0.8,0.6,9.6,1.0,0.5,-4,-2.5,2m,-2,-2.5,2m,0,-2.5,3m,3,-2.5,3m,6,-2.5
尺寸线,1,0.8,0.6,9.6,1.0,0.5,8.2,0,3m ,8.2,3,3m ,8.2,6,3m ,8.2,9,1.5m ,8.2,10.5,1.5m ,8.2,12
文本,-7,10.4,1kN,0,0,11
文本,-3,13.4,1kN,0,0,11
文本,-5,6.3,2kN,0,0,11
文本,-2.7,6.3,2kN,0,0,11
文本,5.6,8.4,4kN,0,0,11
文本,3.2,7.5,1,0,0,11
文本,1.5,7.5,2,0,0,11
文本,4.8,6,3,0,0,11
文本,1.5,13,4,0,0,11

END

C  P.3-21 求支座反力,截面E的M、N、Q值，D点左右两侧截面的Q、N值
问题标题,PROB.3-21
变量定义,f=4,l=16,dt=l/20,p=1
结点,1,0,0
结点,2,dt,4*f*dt*(l-dt)/(l*l)
结点,3,2*dt,4*f*2*dt*(l-2*dt)/(l*l)
结点,4,3*dt,4*f*3*dt*(l-3*dt)/(l*l)
结点,5,4*dt,4*f*4*dt*(l-4*dt)/(l*l)
结点,6,5*dt,4*f*5*dt*(l-5*dt)/(l*l)
结点,7,6*dt,4*f*6*dt*(l-6*dt)/(l*l)
结点,8,7*dt,4*f*7*dt*(l-7*dt)/(l*l)
结点,9,8*dt,4*f*8*dt*(l-8*dt)/(l*l)
结点,10,9*dt,4*f*9*dt*(l-9*dt)/(l*l)
结点,11,10*dt,4*f*10*dt*(l-10*dt)/(l*l)
结点,12,11*dt,4*f*11*dt*(l-11*dt)/(l*l)
结点,13,12*dt,4*f*12*dt*(l-12*dt)/(l*l)
结点,14,13*dt,4*f*13*dt*(l-13*dt)/(l*l)
结点,15,14*dt,4*f*14*dt*(l-14*dt)/(l*l)
结点,16,15*dt,4*f*15*dt*(l-15*dt)/(l*l)
结点,17,16*dt,4*f*16*dt*(l-16*dt)/(l*l)
结点,18,17*dt,4*f*17*dt*(l-17*dt)/(l*l)
结点,19,18*dt,4*f*18*dt*(l-18*dt)/(l*l)
结点,20,19*dt,4*f*19*dt*(l-19*dt)/(l*l)
结点,21,20*dt,4*f*20*dt*(l-20*dt)/(l*l)
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,1
单元,3,4,1,1,1,1,1,1
单元,4,5,1,1,1,1,1,1
单元,5,6,1,1,1,1,1,1
单元,6,7,1,1,1,1,1,1
单元,7,8,1,1,1,1,1,1
单元,8,9,1,1,1,1,1,1
单元,9,10,1,1,1,1,1,1
单元,10,11,1,1,1,1,1,0
单元,11,12,1,1,0,1,1,1
单元,12,13,1,1,1,1,1,1
单元,13,14,1,1,1,1,1,1
单元,14,15,1,1,1,1,1,1
单元,15,16,1,1,1,1,1,1
单元,16,17,1,1,1,1,1,1
单元,17,18,1,1,1,1,1,1
单元,18,19,1,1,1,1,1,1
单元,19,20,1,1,1,1,1,1
单元,20,21,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,21,2,0,0,0
结点荷载,6,1,P,-90
尺寸线,1,0.8,0.4,9.6,1.0,0.5,0.0,-3,4m,4.0,-3,4m,8,-3,4m,12,-3,4m,16,-3
尺寸线,1,0.8,0.4,9.6,1.0,0.5,19,0,f = 4m ,19,4

文本,4.3176,5.0895,{Eq:F_P},0,0,12
文本,-0.3586,1.1661,A,1,0,11
文本,7.6007,5.0521,C,1,0,11
文本,15.2276,0.0870,B,1,0,11
文本,3.9848,2.3654,D,1,0,11
文本,11.295,2.3777,E,1,0,11

END

C  P.3-22 求支座反力和内力
问题标题,PROB.3-22
结点,1,0,0
结点,2,12,0
结点,3,12,0.2
结点,4,6,2.2
结点,5,0,0.2
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,1
单元,1,5,1,1,0,1,1,1
单元,4,3,1,1,0,1,1,1
单元,5,4,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,2,1,0,0
单元荷载,5,3,1.2,0,1,90,1
单元荷载,4,3,1.2,0,1,90,1
尺寸线,1,1,0.4,9.6,1.0,0.5,15,0,h ,15,2.2
尺寸线,1,1,0.4,9.6,0.4,0.5,14,0,e1 ,14,0.2

尺寸线,1,1,0.5,9.6,1.0,0.5,0,-3,L,12,-3
文本,5.8265,4.5528,q,1,0,9.6

文本,-0.4853,0.7510,D,1,0,11
文本,5.8856,1.8297,C,1,0,11
文本,-0.3737,-0.1730,A,1,0,11
文本,11.4524,-0.1730,B,1,0,11

END

C  P.3-23 求支座反力；截面D和E的弯矩；画出压力线
问题标题,PROB.3-23
结点,1,0,0
结点,2,4,4
结点,3,10,4
结点,4,16,4
结点,5,20,0
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,0
单元,3,4,1,1,0,1,1,1
单元,4,5,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,5,2,0,0,0
单元荷载,2,3,1,0,1,90
结点荷载,4,1,10,-90
单元荷载,1,3,1,0,1,90,1
文本,0.2,0.0,A,1,0,11
文本,19.2861,-0.1347,B,1,0,11
文本,15.5,3.8,E,1,0,11
文本,4,3.8,D,1,0,11
文本,10,3.8,C,1,0,11
文本,4.4647,6.8988,1kN/m,0,0,12
文本,16,7,10kN,0,0,12
尺寸线,1,1,0.5,9.6,1.0,0.5,0.0,-4,4m,4,-4,6m,10,-4,6m,16,-4,4m,20,-4
尺寸线,1,1,0.5,9.6,1.0,0.5,24,0,4m ,24,4

END

C  P.3-24 求支座内力和D点弯矩
问题标题,PROB.3-24
变量定义,a=-0.02519354671,b=14.08770817,l=25,b1=25-b,dt1=1.408770817,dt2=b1/10
结点,1,0,0
结点,2,dt1,a*(dt1-b)**2+5
结点,3,2*dt1,a*(2*dt1-b)**2+5
结点,4,3*dt1,a*(3*dt1-b)**2+5
结点,5,4*dt1,a*(4*dt1-b)**2+5
结点,6,5*dt1,a*(5*dt1-b)**2+5
结点,7,6*dt1,a*(6*dt1-b)**2+5
结点,8,7*dt1,a*(7*dt1-b)**2+5
结点,9,8*dt1,a*(8*dt1-b)**2+5
结点,10,9*dt1,a*(9*dt1-b)**2+5
结点,11,10*dt1,a*(10*dt1-b)**2+5
结点,12,b+dt2,a*(dt2)**2+5
结点,13,b+2*dt2,a*(2*dt2)**2+5
结点,14,b+3*dt2,a*(3*dt2)**2+5
结点,15,b+4*dt2,a*(4*dt2)**2+5
结点,16,b+5*dt2,a*(5*dt2)**2+5
结点,17,b+6*dt2,a*(6*dt2)**2+5
结点,18,b+7*dt2,a*(7*dt2)**2+5
结点,19,b+8*dt2,a*(8*dt2)**2+5
结点,20,b+9*dt2,a*(9*dt2)**2+5
结点,21,l,2
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,1
单元,3,4,1,1,1,1,1,1
单元,4,5,1,1,1,1,1,1
单元,5,6,1,1,1,1,1,1
单元,6,7,1,1,1,1,1,1
单元,7,8,1,1,1,1,1,1
单元,8,9,1,1,1,1,1,1
单元,9,10,1,1,1,1,1,1
单元,10,11,1,1,1,1,1,0
单元,11,12,1,1,0,1,1,1
单元,12,13,1,1,1,1,1,1
单元,13,14,1,1,1,1,1,1
单元,14,15,1,1,1,1,1,1
单元,15,16,1,1,1,1,1,1
单元,16,17,1,1,1,1,1,1
单元,17,18,1,1,1,1,1,1
单元,18,19,1,1,1,1,1,1
单元,19,20,1,1,1,1,1,1
单元,20,21,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,21,2,0,0,0
单元荷载,4,1,10,0.5492,65.23163
单元荷载,16,1,10,0.418,106.8253
尺寸线,1,0.4,2,9.6,1.0,0.5,0.0,9,5m,5,9
尺寸线,1,0.5,1,9.6,1.0,0.5,20,9,5m,25,9
尺寸线,1,1,0.4,9.6,0.5,0.5,30,2,3m ,30,5
尺寸线,1,1,0.4,9.6,0.5,0.5,30,0,2m ,30,2
尺寸线,1,2,0.8,9.6,1.0,0.5,0.0,-5,25m,25,-5
文本,0.3,0.0,A,1,0,11
文本,24,1.5,B,1,0,11
文本,14,6.8,C,1,0,11
文本,5,2.5,D,1,0,11
文本,20,3.2,E,1,0,11
文本,5.5,7,10kN,0,0,12
文本,16.5,7.5,10kN,0,0,12

end

C  P.3-25
C 改变拱高(f=8m)，支座反力和弯矩；
C 拱高和跨度同时改变，高跨比不变，支座反力和弯矩；
问题标题,PROB.3-25(a)
变量定义,f=8,l=16,dt=l/20,p=1
结点,1,0,0
结点,2,dt,4*f*dt*(l-dt)/(l*l)
结点,3,2*dt,4*f*2*dt*(l-2*dt)/(l*l)
结点,4,3*dt,4*f*3*dt*(l-3*dt)/(l*l)
结点,5,4*dt,4*f*4*dt*(l-4*dt)/(l*l)
结点,6,5*dt,4*f*5*dt*(l-5*dt)/(l*l)
结点,7,6*dt,4*f*6*dt*(l-6*dt)/(l*l)
结点,8,7*dt,4*f*7*dt*(l-7*dt)/(l*l)
结点,9,8*dt,4*f*8*dt*(l-8*dt)/(l*l)
结点,10,9*dt,4*f*9*dt*(l-9*dt)/(l*l)
结点,11,10*dt,4*f*10*dt*(l-10*dt)/(l*l)
结点,12,11*dt,4*f*11*dt*(l-11*dt)/(l*l)
结点,13,12*dt,4*f*12*dt*(l-12*dt)/(l*l)
结点,14,13*dt,4*f*13*dt*(l-13*dt)/(l*l)
结点,15,14*dt,4*f*14*dt*(l-14*dt)/(l*l)
结点,16,15*dt,4*f*15*dt*(l-15*dt)/(l*l)
结点,17,16*dt,4*f*16*dt*(l-16*dt)/(l*l)
结点,18,17*dt,4*f*17*dt*(l-17*dt)/(l*l)
结点,19,18*dt,4*f*18*dt*(l-18*dt)/(l*l)
结点,20,19*dt,4*f*19*dt*(l-19*dt)/(l*l)
结点,21,20*dt,4*f*20*dt*(l-20*dt)/(l*l)
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,1
单元,3,4,1,1,1,1,1,1
单元,4,5,1,1,1,1,1,1
单元,5,6,1,1,1,1,1,1
单元,6,7,1,1,1,1,1,1
单元,7,8,1,1,1,1,1,1
单元,8,9,1,1,1,1,1,1
单元,9,10,1,1,1,1,1,1
单元,10,11,1,1,1,1,1,0
单元,11,12,1,1,0,1,1,1
单元,12,13,1,1,1,1,1,1
单元,13,14,1,1,1,1,1,1
单元,14,15,1,1,1,1,1,1
单元,15,16,1,1,1,1,1,1
单元,16,17,1,1,1,1,1,1
单元,17,18,1,1,1,1,1,1
单元,18,19,1,1,1,1,1,1
单元,19,20,1,1,1,1,1,1
单元,20,21,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,21,2,0,0,0
结点荷载,6,1,P,-90

尺寸线,1,0.8,0.4,9.6,1.0,0.5,0.0,-3,4m,4.0,-3,4m,8,-3,4m,12,-3,4m,16,-3
尺寸线,1,0.8,0.4,9.6,1.0,0.5,19,0,f = 8m ,19,8

文本,3.3702,6.4876,D,1,0,11
文本,0.4934,0.0586,A,1,0,11
文本,15.2355,0.0498,B,1,0,11
文本,11.8367,5.4230,E,1,0,11
文本,7.6208,8.7649,C,1,0,11
文本,3.7545,8.3541,{Eq:F_P},1,0,12

C  P.3-27 求内力和支座反力
问题标题,PROB.3-27(a)
结点,1,0,0
结点,2,4,0
结点,3,5,0
结点,4,8,0
结点,5,9,0
结点,6,12,0

单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,0
单元,3,4,1,1,0,1,1,1
单元,4,5,1,1,1,1,1,0
单元,5,6,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,2,1,0,0
结点支承,4,1,0,0
结点支承,6,1,0,0
单元荷载,1,1,20,1/2,90
单元荷载,3,1,10,1/2,90
尺寸线,1,0.4,0.2,9.6,0.7,0.2,0,-1.5,2m,2,-1.5,2m,4,-1.5,1m,5,-1.5,1.5m,6.5,-1.5,1.5m,8,-1.5,1m,9,-1.5,3m,12,-1.5
文本,2.2,1.6,20kN,0,0,12
文本,6.7,1.6,10kN,0,0,12
文本,0,0.7,A,1,0,12
文本,2.2,0.7,B,1,0,12
文本,4,0.7,C,1,0,12
文本,5,0.7,D,1,0,12
文本,6.7,0.7,E,1,0,12
文本,8,0.7,F,1,0,12
文本,9,0.7,G,1,0,12
文本,11.8,0.7,H,1,0,12

END

问题标题,PROB.3-27(b)
变量定义,l=1,P=1
结点,1,0,0
结点,2,l/2,l/6
结点,3,l,0
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,3,2,0,0,0
结点荷载,2,1,P,-90

尺寸线,1,0.05,0.025,12,1.0,0.5,0,-0.2*l,L/2,l/2,-0.2*l,L/2,l,-0.2*l
尺寸线,1,0.01,0.01,12,1.0,0.5,l/2,0,L/6,l/2,l/6
文本,0.5243,0.2754,{Eq:F_p},0,0,12
文本,0.9784,0.0733,B,1,0,12
文本,-0.0151,0.0733,A,1,0,12

END

问题标题,PROB.3-27(c)
变量定义,l=1,q=1
结点,1,0,0
结点,2,0,l
结点,3,0,l+0.2*l
结点,4,l,l
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,1
单元,2,4,1,1,1,1,1,0
结点支承,1,4,0,0,0
结点支承,4,1,0,0
单元荷载,1,3,q,0,1,90
单元荷载,2,3,1,0,1,90
尺寸线,1,0.06,0.03,9.6,1.0,0.5,0,-0.15*l,L,l,-0.15*l
尺寸线,1,0.06,0.03,9.6,1.0,0.5,1.2*l,0,L  ,1.2*l,l,0.2L ,1.2*l,1.2*l
文本,0.0827,0.1303,A,1,0,12
文本,0.0719,0.9468,B,1,0,12
文本,0.9664,1.1631,C,1,0,12
文本,0.0450,1.2712,D,1,0,12
文本,-0.2736,0.6801,q,1,0,12

END

问题标题,PROB.3-27(d)
变量定义,a=1,P=1
结点,1,0,0
结点,2,6*a,0
结点,3,0,a
结点,4,6,a
结点填充,1,2,5,5,1
结点填充,3,4,5,10,1
单元,1,5,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,8,9,1,1,0,1,1,0
单元,9,2,1,1,0,1,1,0
单元,2,4,1,1,0,1,1,0
单元,3,10,1,1,0,1,1,0
单元,10,11,1,1,0,1,1,0
单元,11,12,1,1,0,1,1,0
单元,12,13,1,1,0,1,1,0
单元,13,14,1,1,0,1,1,0
单元,14,4,1,1,0,1,1,0
单元,1,3,1,1,0,1,1,0
单元,3,5,1,1,0,1,1,0
单元,5,10,1,1,0,1,1,0
单元,10,6,1,1,0,1,1,0
单元,6,11,1,1,0,1,1,0
单元,11,7,1,1,0,1,1,0
单元,7,12,1,1,0,1,1,0
单元,12,8,1,1,0,1,1,0
单元,8,13,1,1,0,1,1,0
单元,13,9,1,1,0,1,1,0
单元,9,14,1,1,0,1,1,0
单元,14,2,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,8,1,0,0
结点荷载,4,1,P,-90
尺寸线,1,0.2,0.1,12,1.0,0.5,0,-0.8*a,4a,4*a,-0.8*a,2a,6*a,-0.8*a
尺寸线,1,0.2,0.1,12,1.0,0.5,6.5*a,0,a,6.5*a,a
文本,6.1514,1.7390,{Eq:F_P},0,0,12
文本,4.1644,0.3615,1,0,0,9.6
文本,3.0917,0.4144,2,0,0,9.6
文本,2.2829,0.4144,3,0,0,9.6

END

C  P.3-28
问题标题,PROB.3-28
结点,1,0,0
结点,2,1,0
结点,3,2,0
结点,4,3,0
结点,5,0,1
结点,6,3,1
单元,1,2,1,1,0,1,1,0
单元,1,5,1,1,0,1,1,0
单元,3,2,1,1,0,1,1,0
单元,6,2,1,1,0,1,1,0
单元,1,6,1,1,0,1,1,0
单元,3,5,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,4,6,1,1,0,1,1,0
单元,4,5,1,1,0,1,1,0
结点支承,1,3,0,0,0
结点支承,4,1,0,0,0

END

C  P.3-29
问题标题,PROB.3-29

结点,1,0,0
结点,4,3,0
结点填充,1,4,2,2,1
结点,7,3,3
结点填充,1,7,2,5,1
结点,8,0,3
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,4,1,1,0,1,1,0
单元,1,5,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,8,1,1,1,0,1,1,0
单元,8,5,1,1,0,1,1,0
单元,2,5,1,1,0,1,1,0
单元,3,6,1,1,0,1,1,0
单元,4,6,1,1,0,1,1,0
单元,4,7,1,1,0,1,1,0
结点支承,1,3,0,0,0
结点支承,4,1,0,0
结点荷载,8,1,1,0

END

C  P.3-3  速画M图
问题标题,PROB.3-3(a)
LET,a=1,P=1
结点,1,0,0
结点,2,0,a
结点,3,a,a
结点,4,a,0
单元,1,2,0,0,0,1,1,1
单元,2,3,1,1,1,1,1,1
单元,3,4,1,1,1,1,1,1
结点支承,4,6,0,0,0,0
单元荷载,1,1,p,0,90
尺寸线,1,0.08,0.06,12,1.0,0.5,1.2*a,0,a ,1.2*a,a
文本,-0.1913,-0.0592,{Eq:F_P},0,0,12
文本,0.0643,0.0600,A,1,0,9.6
文本,0.8752,0.0798,B,1,0,9.6
文本,0.0791,0.9243,C,1,0,9.6
文本,0.8851,0.9342,D,1,0,9.6

END

问题标题,PROB.3-3(b)
LET,a=1,q=1
结点,1,0,0
结点,2,0,a
结点,3,a,a
单元,1,2,1,1,1,1,1,1
单元,2,3,1,1,1,0,0,0
结点支承,1,6,0,0,0,0
单元荷载,2,3,q,0,1,90
单元荷载,2,2,q*a*a,1
尺寸线,1,0.08,0.06,12,1.0,0.5,-0.0143,-0.1087,a,a,-0.1087
文本,0.5432,1.3,q,1,0,12
文本,1.1,a,{Eq:qa^2},0,0,12
文本,-0.08,0.1,A,1,0,12
文本,-0.08,1,B,1,0,12
文本,0.9,0.97,C,1,0,12
END

问题标题,PROB.3-3(c)
LET,a=1,P=1
结点,1,0,0
结点,2,0,a
结点,3,-a,2*a
结点,4,a,2*a
单元,1,2,1,1,1,1,1,1
单元,2,3,1,1,1,0,0,0
单元,2,4,1,1,1,0,0,0
结点支承,1,6,0,0,0,0
单元荷载,2,1,P,1,-45
单元荷载,3,-1,P,1,45
尺寸线,1,0.15,0.1,12,1.0,0.5,-a,-0.3,a,0,-0.3,a,a,-0.3
文本,-0.8895,2.3814,{Eq:F_P},0,0,12
文本,0.7698,2.4102,{Eq:F_P},0,0,12
文本,-0.2058,0.2,A,1,0,12
文本,-0.2058,1.0201,B,1,0,12
文本,-1.1060,1.9193,C,1,0,12
文本,1.0271,1.9193,D,1,0,12

END

问题标题,PROB.3-3(d)
LET,l=1,h=1,q=1
结点,1,0,0
结点,2,0,h
结点,3,l,h
结点,4,l,0
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,1
单元,3,4,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,4,1,0,0
单元荷载,1,3,q,0,1,90
尺寸线,1,0.08*l,0.04*l,11,1.0,0.5,0,-0.25,L,l,-0.25
尺寸线,1,0.08*h,0.06*h,11,1.0,0.5,1.2*h,0,h ,1.2*h,h
文本,-0.2*l,0.5*h,q,1,0,12
文本,0.0423,0.0594,A,1,0,9.6
文本,0.0721,0.9391,B,1,0,9.6
文本,0.9030,0.9540,C,1,0,9.6
文本,0.9130,0.0594,D,1,0,9.6

END

问题标题,PROB.3-3(e)
LET,l=1,h=1,q=1
结点,1,0,0
结点,2,0,h
结点,3,l,h
结点,4,l,0
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,1
单元,3,4,1,1,1,1,1,0
结点支承,1,1,0,0
结点支承,4,2,0,0,0
单元荷载,1,3,q,0,1,90
尺寸线,1,0.08*l,0.06*l,9.6,1.0,0.5,0,-0.25,L,l,-0.25
尺寸线,1,0.08*h,0.06*h,9.6,1.0,0.5,1.25*h,0,h ,1.25*h,h
文本,-0.2*l,0.5*h,q,1,0,9.6
文本,0.0612,0.0739,A,1,0,9.6
文本,0.0767,0.9438,B,1,0,9.6
文本,0.8960,0.9438,C,1,0,9.6
文本,0.9012,0.0790,D,1,0,9.6

END

问题标题,PROB.3-3(f)
LET,l=1,h=1,q=1
结点,1,0,0
结点,2,0,h
结点,3,l,h
结点,4,l,0
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,1
单元,3,4,1,1,1,1,1,0
结点支承,1,1,0,0
结点支承,4,2,0,0,0
单元荷载,2,3,q,0,1,90
尺寸线,1,0.08*l,0.06*l,9.6,1.0,0.5,0,-0.25,L,l,-0.25
尺寸线,1,0.08*h,0.06*h,9.6,1.0,0.5,1.25*h,0,h ,1.25*h,h
文本,0.4941,1.3,q,1,0,12
文本,-0.1,0.0539,A,1,0,12
文本,-0.1,1,C,1,0,12
文本,1.0767,1,D,1,0,12
文本,0.9,0.0790,B,1,0,12
END

问题标题,PROB.3-3(g)
LET,a=1,q=1
结点,1,0,a
结点,2,0,2*a
结点,3,1.5*a,2*a
结点,4,2.5*a,0
单元,1,2,0,0,0,1,1,1
单元,2,3,1,1,1,1,1,1
单元,3,4,1,1,1,1,1,1
结点支承,4,6,0,0,0,0
单元荷载,1,3,q,0,1,90
尺寸线,1,0.2,0.1,9.6,1.0,0.5,0,-0.3*a,1.5a,1.5*a,-0.3*a,a,2.5*a,-0.3*a
尺寸线,1,0.2,0.1,9.6,1.0,0.5,2.9*a,0,a ,2.9*a,a,a ,2.9*a,2*a
文本,-0.45*a,1.5*a,q,1,0,9.6
文本,0.1059,1.1176,A,1,0,9.6
文本,0.1773,1.8668,B,1,0,9.6
文本,1.3798,1.8905,C,1,0,9.6
文本,2.1655,0.1543,D,1,0,9.6

END

问题标题,PROB.3-3(h)
LET,a=1,P=1
结点,1,-a,0
结点,3,a,0
结点填充,1,3,1,2,1
结点生成,1,3,1,3,1,0,2*a
结点,7,-a,0.98*a
结点,8,-a,1.02a
结点生成,1,2,7,8,1,2*a,0
单元,1,7,1,1,1,0,0,0
单元,4,8,1,1,1,0,0,0
单元,2,5,1,1,1,1,1,1
单元,3,9,1,1,1,0,0,0
单元,6,10,1,1,1,0,0,0
单元,1,2,1,1,1,1,1,1
单元,2,3,1,1,1,1,1,1
单元,4,5,1,1,1,1,1,1
单元,5,6,1,1,1,1,1,1
结点支承,1,3,0,0,0
结点支承,3,1,0,0

单元荷载,1,-1,1,1,90
单元荷载,2,1,1,1,-90
单元荷载,4,1,1,1,-90
单元荷载,5,-1,1,1,90
尺寸线,1,0.2,0.1,9.6,1.0,0.5,-1,-0.5*a,a,0,-0.5*a,a,a,-0.5*a
尺寸线,1,0.2,0.1,9.6,1.0,0.5,1.7*a,0,a ,1.7*a,a,a ,1.7*a,2*a
文本,1.3575,1.1765,1,0,0,9.6
文本,1.3767,0.9177,1,0,0,9.6
文本,-1.5099,1.2062,1,0,0,9.6
文本,-1.52,0.8924,1,0,0,9.6

END

问题标题,PROB.3-3(i)
LET,h=1.5,l=1,M=1
结点,1,0,0
结点,2,0,h
结点,3,l,h
结点,4,2*l,h
结点,5,2*l,0
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,0
单元,3,4,1,1,0,1,1,1
单元,4,5,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,5,2,0,0,0
单元荷载,1,-2,m,0
单元荷载,4,2,m,1
文本,0.15*l,0.15*h,M,1,0,9.6
文本,1.85*l,0.15*h,M,1,0,9.6
文本,0.1542,-0.0061,A,1,0,9.6
文本,1.7961,0.0192,B,1,0,9.6
文本,0.975,1.65,C,1,0,9.6
文本,-0.02,1.65,D,1,0,9.6
文本,1.975,1.65,E,1,0,9.6

END

问题标题,PROB.3-3(j)
LET,h=1.5,l=1,M=1
结点,1,0,0
结点,2,0,h
结点,3,l,h
结点,4,2*l,h
结点,5,2*l,0
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,0
单元,3,4,1,1,0,1,1,1
单元,4,5,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,5,2,0,0,0
单元荷载,2,2,m,1
单元荷载,3,-2,m,0
文本,1.1*l,1.1*h,M,1,0,9.6
文本,0.8*l,1.1*h,M,1,0,9.6
文本,0.0973,0.0831,A,1,0,12
文本,1.8600,0.1044,B,1,0,12
文本,0.9502,1.3965,C,1,0,12
文本,0,1.625,D,1,0,12
文本,1.975,1.625,E,1,0,12
文本,0.7868,1.3184,{Eq:C^L},1,0,12
文本,1.1279,1.3255,{Eq:C^R},1,0,12

END

问题标题,P3-3(k)
LET,a=1,P=1,l=1
结点,1,0,0
结点,4,2*a+l,0
结点填充,1,4,2,2,1
结点,5,a,a
结点,6,a+0.5*l,a
结点,7,a+l,a
单元,1,2,1,1,0,1,1,1
单元,2,5,1,1,1,1,1,1
单元,5,6,1,1,1,1,1,0
单元,6,7,1,1,0,1,1,1
单元,7,3,1,1,1,1,1,1
单元,3,4,1,1,1,0,0,0
结点支承,1,2,-90,0,0
结点支承,2,1,0,0
结点支承,3,1,0,0
单元荷载,6,1,p,1,90
尺寸线,1,0.2,0.1,9.6,1.0,0.5,0,-0.6*a,a,a,-0.6*a,L/2,a+l/2,-0.6*a,L/2,a+l,-0.6*a,a,3*a,-0.6*a
尺寸线,1,0.2,0.1,9.6,1.0,0.5,3.4*a,0,a ,3.4*a,a
文本,2.7754,0.6164,{Eq:F_P},0,0,12
文本,-0.0158,0.1939,A,1,0,9.6
文本,0.8666,0.1939,B,1,0,9.6
文本,0.8788,1.1397,C,1,0,9.6
文本,1.4250,1.2096,D,1,0,9.6
文本,2.0320,1.1475,E,1,0,9.6
文本,1.8742,0.1532,F,1,0,9.6
文本,2.9182,-0.0893,G,1,0,9.6

END

问题标题,PROB.3-3(l)
LET,a=1,P=1
结点,1,0,-a
结点,2,0,0
结点,3,0,a
结点,4,a,0
结点,5,2*a,0
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,0
单元,2,4,1,1,1,1,1,1
单元,4,5,1,1,1,1,1,0
结点支承,1,1,0,0
结点支承,3,1,90,0
结点支承,5,1,0,0
结点荷载,2,1,P,0
结点荷载,4,-2,3*P*a
尺寸线,1,0.2,0.1,9.6,1.0,0.5,0,-1.5*a,a,a,-1.5*a,a,2*a,-1.5*a
尺寸线,1,0.2,0.1,9.6,1.0,0.5,2.4*a,-a,a  ,2.4*a,0,a ,2.4*a,a
文本,-0.3921,-0.1963,{Eq:F_P},0,0,12
文本,0.85*a,0.3*a,{Eq:M  = 3 F_P  a},0,0,12
文本,0.1307,-0.8893,A,1,0,9.6
文本,-0.1173,1.1822,B,1,0,9.6
文本,1.9665,0.2227,C,1,0,9.6
文本,0.0910,0.2029,D,1,0,9.6

END

TITLE,P3-3(l)
LET,a=1,P=1
结点,1,0,0
结点,4,3*a,0
结点填充,1,4,2,2,1
结点,5,a,a
结点,6,1.5*a,a
结点,7,2*a,a
单元,1,2,1,1,0,1,1,1
单元,2,5,1,1,1,1,1,1
单元,5,6,1,1,1,1,1,0
单元,6,7,1,1,0,1,1,1
单元,7,3,1,1,1,1,1,1
单元,3,4,1,1,1,0,0,0
结点支承,1,2,-90,0,0
结点支承,2,1,0,0
结点支承,3,1,0,0
结点荷载,4,1,P,-90

C  P.3-32
问题标题,PROB.3-32
结点,1,0,0
结点,4,6,0
结点填充
结点,5,8,0
结点生成,1,4,2,4,1,0,-1
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,0
单元,3,4,1,1,0,1,1,1
单元,4,5,1,1,1,1,1,0
单元,2,6,1,1,0,1,1,1
单元,6,7,1,1,1,1,1,0
单元,7,8,1,1,0,1,1,1
单元,8,4,1,1,1,1,1,0
结点支承,1,1,0,0
结点支承,5,1,0,0

单元荷载,1,1,1,1/2,90
单元荷载,4,1,1,1/2,90

结点支承,7,3,0,0,0

文本,1.1310,0.9140,1,0,0,11
文本,6.7590,0.8606,1,0,0,11

C  P.3-8作图示三铰刚架的内力图
问题标题,PROB.3-8(a)
变量定义,h=6,l=5,q=2
结点,1,0,0
结点,2,0,h
结点,3,l,h
结点,4,2*l,h
结点,5,2*l,0
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,0
单元,3,4,1,1,0,1,1,1
单元,4,5,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,5,2,0,0,0
单元荷载,3,3,q,0,1,90
尺寸线,1,0.5,0.3,9.6,1.0,0.5,0,-1.9,5m,5,-1.9,5m,10,-1.9
尺寸线,1,0.5,0.3,9.6,1.0,0.5,12,0,6m ,12,6
文本,7,8,2kN/m,0,0,11
文本,-0.6173,6.8413,D,1,0,11

END

问题标题,PROB.3-8(b)
变量定义,h=6,l=6,p=1
结点,1,0,0
结点,2,0,h
结点,3,l,h
结点,4,2*l,h
结点,5,2*l,0
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,0
单元,3,4,1,1,0,1,1,1
单元,4,5,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,5,2,0,0,0
结点荷载,2,1,p,0
尺寸线,1,0.8,0.4,9.6,1.0,0.5,0,-2.5,6m,6,-2.5,6m,12,-2.5
尺寸线,1,0.8,0.4,9.6,1.0,0.5,15,0,6m ,15,6
文本,-2.3,6.8,{Eq:F_P},0,0,12
文本,0.2988,5.8209,D,1,0,11

END

问题标题,PROB.3-8(c)
变量定义,a=1,q=1
结点,1,0,0
结点,2,0,2*a
结点,3,a,2*a
结点,4,2*a,2*a
结点,5,2*a,a
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,0
单元,3,4,1,1,0,1,1,1
单元,4,5,1,1,1,1,1,0
结点支承,1,2,-90,0,0
结点支承,5,2,0,0,0
单元荷载,1,3,q,0,1,90
尺寸线,1,0.14,0.08,9.6,1.0,0.5,0,-0.5*a,a,a,-0.5*a,a,2*a,-0.5*a
尺寸线,1,0.15,0.08,9.6,1.0,0.5,2.5*a,0,a ,2.5*a,a,a ,2.5*a,2*a
文本,-0.4*a,1.2a,q,1,0,12
文本,0.1,1.9*a,D,1,0,12

END

问题标题,PROB.3-8(d)
变量定义,h=10,l=5,a=1,q=1
结点,1,-1.5*l,0
结点,2,-l,h
结点,3,0,h
结点,4,l,h
结点,5,1.5*l,0
结点,6,-1.5*l,h
结点,7,1.5*l,h
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,0
单元,3,4,1,1,0,1,1,1
单元,4,5,1,1,1,1,1,0
单元,2,6,1,1,1,0,0,0
单元,4,7,1,1,1,0,0,0
结点支承,1,2,-90,0,0
结点支承,5,2,0,0,0
单元荷载,2,3,q,0,1,90
单元荷载,3,3,q,0,1,90
单元荷载,5,3,q,0,1,-90
单元荷载,6,3,q,0,1,90
尺寸线,1,0.8,0.4,9.6,0.8,0.5,-7.5,-2.8,2.5m,-5,-2.8,5m,0,-2.8,5m,5,-2.8,2.5m,7.5,-2.8
尺寸线,1,1,0.5,9.6,0.8,0.5,11,0,10m ,11,10
文本,0.0,13,q,1,0,12
文本,-6.8203,0.6934,A,1,0,11
文本,6.4780,0.7691,B,1,0,11
文本,-0.3978,9.5523,C,1,0,11
文本,-4.7802,9.7037,D,1,0,11

END