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1、说说明明:此此计计算算程程式式要要求求铝铝框框受受拉拉边边应应位位于于X X轴轴或或Y Y轴轴上上.宽度b高度hFi=b*h矩形形心Xi矩形形心YiIxi=bh3/12C1C1幕幕墙墙33.5 mm5.5 mm184.25 mm216.75 mm2.75 mm464.4633.5 mm5.5 mm184.25 mm255.25 mm2.75 mm464.464 mm185 mm740 mm22 mm92.5 mm2110541.674 mm185 mm740 mm270 mm92.5 mm2110541.6772 mm5.4 mm388.8 mm236 mm179.6 mm944.784 mm
2、20 mm80 mm224 mm169.6 mm2666.674 mm20 mm80 mm248 mm169.6 mm2666.674 mm20 mm80 mm262 mm15.5 mm2666.674 mm20 mm80 mm272 mm15.5 mm2666.6724 mm4 mm96 mm236 mm17.5 mm128.00复合截面A=Fi2653.3 mm2复合截面静矩:Sx=Fi*Yi239037.86mm3Sy=Fi*Xi100478.80mm3复合截面形心位置:Xc=Sy/A37.87mmYc=Sx/A90.09mm各个矩形的惯性矩:Ix=Ixi+(Yc-Yi)2*FiIy=I
3、yi+(Xc-Xi)2*Fi1405999.21mm499411.84mm41405999.21mm472890.61mm42114836.89mm4953079.34mm42114836.89mm4764945.92mm43115971.99mm4169320.28mm4-3694.07mm415495.42mm4508404.01mm48317.04mm4447769.37mm446689.65mm4447769.37mm493298.66mm4505992.39mm44943.48mm4复合截面惯性矩:Ixc=12,063,885.26mm4Iyc=2,228,392.23mm4复合截面抵抗矩:Wxc=133,908.11mm3Wyc=58,844.19mm3Iyi=hb3/12mm417231.21mm4mm417231.21mm4mm4986.67mm4mm4986.67mm4mm4167961.60mm4mm4106.67mm4mm4106.67mm4mm4106.67mm4mm4106.67mm4mm44608.00mm4