太原理工大学----毕业设计说明书
第五节 内力组合表
杆端一
荷载类型 单元码
1 2 3
恒载
4 1 2 3
活载
4 1 2 3
风载(左)
4 1 2 3
风载(右)
4 1 2
吊车荷载 (竖向)
3 4 1 2
吊车荷载 (横向)
杆端二
M(KN*M) 91.25 -125.79 61.2 -125.79 152.08
N(KN) -29.86 -27 -29.86 -28.8 -49.77
V(KN)
M(KN*M)
N(KN) -28.8 -29.86 -27 -29.86 -48 -49.77 -44.99 -49.77 16.86 15.47 15.52 14.5 14.5 15.52 15.47 16.86
V(KN) -27.13 25.96 2.7 27.13 -45.2 43.26 4.5
-27.13 -125.79 -2.7
61.2
-25.96 -125.79 27.13
91.25
-45.22 -209.65 -4.5
102
-209.65 -44.99 102
-49.77 -48 16.86 15.47 15.22 14.5 14.5 15.52 15.47 16.86 1.414
-43.26 -209.65 45.22 13.86 1.81 13.02 -7.03 14.15 1.29 15.4 -25.22
152.08 76.62 -33.21 61.12 -23.58 61.12 -33.21 76.02 -80.29
-43.26 -209.65 25.22 -15.4 -1.29 -14.15 7.03 -13.02 -1.81 -13.86
-80.29 76.02 -33.31 61.12 -23.58 61.12 -33.21 76.02 5.101
-328.13 -21.088 -20.869 -21.098 -1.148 0.501 0.05 -0.05 -0.501
-3.24 0.956 21.088 8.76 -0.498 -0.498 0
23
-21.088 33.965 -3.24 0.956
-18.137 -2.757 43.877 8.013 0 -8.013 38.707
33.965 -20.869 -18.137 -21.098
-2.757 -204.598 21.088 -38.707 8.014 0 -8.013
0.501 0.05 -0.05 -0.051
0 -0.498 -0.498 8.76
3 4
太原理工大学----毕业设计说明书 1 2
1.2恒载+ 1.4活载
3 4 1
1.2恒载+ 1.4风载 (左)
2 3 4 1
1.2恒载+ 1.4风载 (右)
2 3 4 1
1.2恒+1.4 活+0.98吊 +0.84左风
2 3 4 1
1.2恒+1.4 活+0.98吊 0.84右风
2 3 4 1
最大M及 相应的N ,V
2 3 4 1
最大N及 相应的M ,V
2 3 4
-101.76 -95.836 322.412 -105.51 -95.864 -444.458 -105.51 91.716 -444.458 -95.386 -95.386
9.54
-9.54
216.24
216.24 -105.51 -91.716 -444.458
-105.51 -28.008 -444.458 -101.76 95.864 322.412 -10.956 -14.174 -10.672
2.752 9.592 1.434
-2.906 -12.228 -13.152 -43.68 -44.52 -10.742 -0.706
26.946
26.806 -14.524 -12.924 -65.38 -65.38
-14.26
22.714
76.488
-15.532 12.746
-14.26 -22.714 76.488 -15.532 -12.746 -65.38 -14.104 12.924 -10.742
0.706
-65.38 -10.672 -1.434 26.946 -14.174 -9.592 -44.52 -10.956 -2.752
26.946 -44.52 -2.906
-12.228 13.152
-408.674 -86.7326 222.0345 -89.4709 -104.888 -338.959 -112.918 75.11676 -339.462 -102.794 -11.6828 170.5693 -103.074 8.90524 170.4853 -113.45 -80.3304 -403.672 -94.946 -19.2278 -403.672 -290.136 119.2098 383.5371 -410.656 -102.012 269.6709 -91.4533 -104.644 -351.979 -112.876 77.11596 -351.978 -102.752 -12.1196 170.5693 -103.116 8.46844 170.5693 -113.24 -78.3312 -391.156 -92.9636 -18.9842 -391.156 -288.154 103.9302 335.9007 -101.76 -95.864 322.412 -105.51 -95.864 -444.458 -105.51 91.716 -444.458 -95.386 -95.386
9.54
-9.54
216.24
216.24 -105.51 -91.716 -444.458
335.9
-105.51 95.864 -444.458 288.154 103.95
-410.66 -102.04 269.67 -105.51 -95.864 -444.458 -112.92
75.12
-339.46 -102.79 -11.683 170.57 170.57 -113.24 -78.33 391.156
383.54
-103.116 8.468 105.51
95.864 -444.458 -290.136 119.21
24
太原理工大学----毕业设计说明书 1
最小N及 相应的M ,V
第二章 截面验算
1.柱的计算长度:H0??H μ的系数如下
K2/K1-10.956 -14.174 -10.672
2.752 9.592 1.434
-2.906 -12.228 -13.152 -44.52 -44.52 -10.672 -1.434 26.946 -14.147 -9.592 -44.52 -10.956 -2.752
40.428 -44.52 -2.906
2 3 4
-12.228 13.152
0 0.2 0.3 0.5 1.0 2.0 3.0 4.0 7.0 ?10.0 刚接
K1?I1IK2?2H l
2.0 1.5 1.4 1.28 1.16 1.08 1.06 1.04 1.02 1.00 I1:柱的截面惯性矩 H:柱的高度
I2:横梁的截面惯性矩 l:横梁的长度 柱:
K2 = 0.178 K1 查表:μ=1.555
考虑到实际不完全刚接μ=1.1?1.555=1.71 则H0=μH=1.71?8=13.68m 2.斜梁:取实际长度H0=H=32.16m
3.对于平面外,因檩距与墙梁的间距为1.5m,偶撑间距取3m, 所以柱与斜梁的平面外计算长度取3m
25
太原理工大学----毕业设计说明书
第一节 柱的验算
1.柱为非变截面柱 截面尺寸900x300x16x28
截面特性: A=309.8cm2 Ix=411000cm4 Iy=12600cm4 Wx=9140cm3 Wy=292.02cm3 ix=36.4cm iy=6.39cm 2.宽厚比验算:
翼缘部分:b/t=150/28=5.36<15
235=15 fy 腹板:
hw235?(900?2?28)/16?52.75?250=250 tfy3.强度验算:
对于2-2截面,当取Mmax
M=-444.458 kN.m N=-105.51 kN V=95.864Kn 柱腹板的有效宽度计算:
?1?NA?MWe=105510/30980+444458000?600/4110000000
=68.28 N/mm2 ?2?NA?MWe=-61.48 N/mm2 腹板边缘正应力比值: ???2??61.48/68.28??0.9 ?1腹板在正应力作用下的凸曲系数: k??16[(1??)2?0.112(1??2)]0.5?(1??) =57.8 与板件受弯、受压有关的参数, ???hw/tw28.1k?235/fy = 52.7528.157.8235/235=0.25 <0.8 腹板全部有效。 因不设置加劲肋时,k??5.34 26 太原理工大学----毕业设计说明书 ?w?<0.8 故 hwtw37k?235fy?52.7537?5.34?1?0.623 fvl?fv =125 N/mm2 柱腹板抗剪承载力设计值为: ' Vd?hwtwfv=844×16×125=1688 kN V=95.8641kN <0.5Vd = 1688×0.5=844 kN 弯,剪,压共同作用下: MeN?Me?NWeAe=(215-105510/30980)×9140000= 1934 kN.m M=444.458 kN.m 对于1-1截面,当取Nmax M=269.67 kN.m N=-410.66 kN V=-102.04KN 柱腹板的有效宽度计算: N?1?NA?MWe=410660/30980+269670000?600/4110000000 =52.6N/mm2 ?2?NA?MWe=-21.11 N/mm2 腹板边缘正应力比值: ???2??21.11/52.6??0.5 ?1腹板在正应力作用下的凸曲系数: k?? 16[(1??)2?0.112(1??2)]0.5?(1??) =14.84 与板件受弯、受压有关的参数, ???hw/tw28.1k?235/fy = 52.7528.114.874235/235= 0.487<0.8 ??1 腹板全部有效。 因不设置加劲肋时,k??5.34 27