1、组合钢腰梁计算选用型钢类型 I36a 抗弯强度(Mpa) 215计算简图抗剪强度(Mpa) 125型钢参数面积A 76.44 cm2惯性矩Ix 15796 cm4抵抗矩Wx 877.6 cm3回转半径ix 12.38 cm面积矩Sx 508.8 cm2腹板厚度tw 10 mm型钢宽度b 13.6 cm型钢高度h 36 cm组合钢腰梁参数型钢间距d 18 cm组合钢腰梁计算塑性发展系数x 1.05钢板宽b1 36 cm 抗弯强度验算 M/(xWx)=钢板厚度t 1 cm 215面积A 224.88 cm2 抗剪强度验算 VSx/Ixtx=惯性矩Ix 69680 cm4 125抵抗矩Wx 3667
2、.4 cm3整体稳定性验算h/b=回转半径ix 17.6 cm 面积矩Sx 1683.6 cm2 l/b=支点间距 250 cm 内力值 弯矩M 32.52 kN.m 满足设计要求!剪力V 6 kN8.4 Mpa满足要求0.7 Mpa满足要求2.86 满足要求18.38235103.8 满足要求组合钢腰梁计算计算简图满足设计要求!尺 寸 截 面 信 息热轧普通工字钢规格h b tw t r r1 截面面积 每米重量 外表面积cm mm cm2 kg/m m2/mI10 100 68 4.5 7.6 6.5 3.3 14.33 11.25 0.43I12.6 126 74 5 8.4 7 3.5
3、 18.1 14.21 0.5I14 140 80 5.5 9.1 7.5 3.8 21.5 16.88 0.55I16 160 88 6 9.9 8 4 26.11 20.5 0.62I18 180 94 6.5 10.7 8.5 4.3 30.74 24.13 0.68I20a 200 100 7 11.4 9 4.5 35.55 27.91 0.74I20b 200 102 9 11.4 9 4.5 39.55 31.05 0.75I22a 200 110 7.5 12.3 9.5 4.8 42.1 33.05 0.82I22b 200 112 9.5 12.3 9.5 4.8 46.5
4、 36.5 0.82I25a 250 116 8 13 10 5 48.51 38.08 0.9I25b 250 118 10 13 10 5 53.51 42.01 0.9I28a 280 122 8.5 13.7 10.5 5.3 55.37 43.47 0.98I28b 280 124 10.5 13.7 10.5 5.3 60.97 47.86 0.98I32a 320 130 9.5 15 11.5 5.8 67.12 52.69 1.08I32b 320 132 11.5 15 11.5 5.8 73.52 57.71 1.09I32c 320 134 13.5 15 11.5 5
5、.8 79.92 62.74 1.09I36a 36 13.6 10 15.8 12 6 76.44 60I36b 36 13.8 12 15.8 12 6 83.64 65.66I36c 36 14 14 15.8 12 6 90.84 71.31I40a 40 14.2 10.5 16.5 12.5 6.3 86.07 67.56 1.29I40b 40 14.4 12.5 16.5 12.5 6.3 94.07 73.84 1.29I40c 40 14.6 14.5 16.5 12.5 6.3 102.07 80.12 1.29I45a 45 15 11.5 18 13.5 6.8 10
6、2.4 80.38 1.41I45b 45 15.2 13.5 18 13.5 6.8 111.4 87.45 1.42I45c 45 15.4 15.5 18 13.5 6.8 120.4 94.51 1.42I50a 50 15.8 12 20 14 7 119.25 93.61 1.54I50b 50 16 14 20 14 7 129.25 101.46 1.54I50c 50 16.2 16 20 14 7 139.35 109.31 1.55I56a 560 166 12.5 21 14.5 7.3 135.38 106.27 1.69I56b 560 168 14.5 21 14
7、.5 7.3 146.58 115.06 1.69I56c 560 170 16.5 21 14.5 7.3 157.78 123.85 1.69I63a 630 176 13 22 15 7.5 154.59 121.36 1.86I63b 630 178 15 22 15 7.5 167.19 131.25 1.87I63c 630 180 17 22 15 7.5 179.79 141.14 1.87X - X Y - YIx Wx Sx i.x Iy Wy i.ycm4 cm3 cm cm4 cm3 cm 245 49 28.2 4.14 32.8 9.6 1.51488 77.4 4
8、4.4 5.19 46.9 12.7 1.61712 101.7 58.4 5.75 64.3 16.1 1.731127 140.9 80.8 6.57 93.1 21.1 1.891669 185.4 106.5 7.37 122.9 26.2 22369 236.9 136.1 8.16 157.9 31.6 2.112502 250.2 146.1 7.95 169 33.1 2.073406 309.2 177.7 8.99 225.9 41.1 2.323583 325.8 189.8 8.78 240.2 42.9 2.275017 401.4 230.7 10.17 280.4
9、 48.4 2.45278 422.2 246.3 9.93 297.4 50.4 2.367115 508.2 292.7 11.34 344.1 56.4 2.497481 534.4 312.3 11.08 363.8 58.7 2.4411080 692.5 400.5 12.85 459 70.6 2.6211626 726.7 426.1 12.58 483.8 73.3 2.5712173 760.8 451.7 12.34 510.1 76.1 2.5315796 877.6 508.8 12.38 554.9 81.6 2.6916574 920.8 541.2 14.08
10、583.6 84.6 2.6417351 964 573.6 13.82 614 87.7 2.621714 1085.7 631.2 15.88 659.9 92.9 2.7722781 1139 671.2 15.56 692.8 99.2 2.7123847 1192.4 711.2 15.29 727.5 99.7 2.6732241 1432.9 836.4 17.74 855 114 2.8933759 1500.4 887.1 17.41 895.4 117.8 2.8435278 1567.9 937.7 17.12 938 121.8 2.7946472 1858.9 108
11、4.1 19.74 1121.5 142 3.0748556 1942.2 1146.6 19.38 1171.4 146.4 3.0150639 2025.2 1209.1 19.07 1223.9 151.1 2.9665576 2342 1368.8 22.01 1365.8 164.6 3.1868503 2446.5 1447.2 21.62 1423.8 169.5 3.1271430 2551.1 1525.6 21.28 1484.8 174.7 3.0794004 2984.3 1747.4 24.66 1702.4 193.5 3.3298171 3116.6 1846.6 24.23 1770.7 199 3.25102339 3248.9 1945.9 23.86 1842.4 204.7 3.2
