组合钢腰梁计算选用型钢类型I45c215125型钢参数120.4352781567.917.12cm937.715.5mm15.4cm45cm组合钢腰梁参数15.5cm35cm2.5cm415.8169358.086774.320.2cm3953.525支点间距300cm内力值800kN.m500kN抗弯强度(Mpa)抗剪强度(Mpa)面积A'cm2惯性矩Ix'cm4抵抗矩Wx'cm3回转半径ix'面积矩Sx'cm2腹板厚度tw型钢宽度b型钢高度h'型钢间距d组合钢腰梁计算钢板宽b1钢板厚度t面积Acm2惯性矩Ixcm4抵抗矩Wxcm3回转半径ix面积矩Sxcm2弯矩M剪力V组合钢腰梁计算计算简图1.05抗弯强度验算112.5Mpa≤215满足要求抗剪强度验算37.7Mpa≤125满足要求整体稳定性验算3.2≤6满足要求19.4898.4满足要求塑性发展系数γxM/(γxWx)=VSx/Ixtx=h/b=l/b=90*235/fy≤满足设计要求!工字钢规格hbtr截面面积每米重量cmmmkg/mI10100684.57.66.53.314.3311.25I12.61267458.473.518.114.21I14140805.59.17.53.821.516.88I161608869.98426.1120.5I18180946.510.78.54.330.7424.13I20a200100711.494.535.5527.91I20b200102911.494.539.5531.05I22a2001107.512.39.54.842.133.05I22b2001129.512.39.54.846.536.5I25a25011681310548.5138.08I25b250118101310553.5142.01I28a2801228.513.710.55.355.3743.47I28b28012410.513.710.55.360.9747.86I32a3201309.51511.55.867.1252.69I32b32013211.51511.55.873.5257.71I32c32013413.51511.55.879.9262.74I36a3613.61015.812676.4460I36b3613.81215.812683.6465.66I36c36141415.812690.8471.31I40a4014.210.516.512.56.386.0767.56I40b4014.412.516.512.56.394.0773.84I40c4014.614.516.512.56.3102.0780.12I45a451511.51813.56.8102.480.38I45b4515.213.51813.56.8111.487.45I45c4515.415.51813.56.8120.494.51I50a5015.81220147119.2593.61I50b50161420147129.25101.46I50c5016.21620147139.35109.31I56a56016612.52114.57.3135.38106.27I56b56016814.52114.57.3146.58115.06I56c56017016.52114.57.3157.78123.85I63a6301761322157.5154.59121.36尺寸截面信息twr1cm2I63b6301781522157.5167.19131.25I63c6301801722157.5179.79141.14X-XY-Y外表面积cmcm0.432454928.24.1432.89.61.510.548877.444.45.1946.912.71.610.55712101.758.45.7564.316.11.730.621127140.980.86.5793.121.11.890.681669185.4106.57.37122.926.220.742369236.9136.18.16157.931.62.110.752502250.2146.17.9516933.12.070.823406309.2177.78.99225.941.12.320.823583325.8189.88.78240.242.92.270.95017401.4230.710.17280.448.42.40.95278422.2246.39.93297.450.42.360.987115508.2292.711.34344.156.42.490.987481534.4312.311.08363.858.72.441.0811080692.5400.512.8545970.62.621.0911626726.7426.112.58483.873.32.571.0912173760.8451.712.34510.176.12.5315796877.6508.812.38554.981.62.6916574920.8541.214.08583.684.62.6417351964573.613.8261487.72.61.29217141085.7631.215.88659.992.92.771.29227811139671.215.56692.899.22.711.29238471192.4711.215.29727.599.72.671.41322411432.9836.417.748551142.891.42337591500.4887.117.41895.4117.82.841.42352781567.9937.717.12938121.82.791.54464721858.91084.119.741121.51423.071.54485561942.21146.619.381171.4146.43.011.55506392025.21209.119.071223.9151.12.961.696557623421368.822.011365.8164.63.181.69685032446.51447.221.621423.8169.53.121.69714302551.11525.621.281484.8174.73.071.86940042984.31747.424.661702.4193.53.32截面信息IxWxSxi.xIyWyi.ym2/mcm4cm3cm4cm31.87981713116.61846.624.231770.71993.251.871023393248.91945.923.861842.4204.73.2
