{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["L形截面性质"],"not_rendered":{"images":1,"external_links":1,"defined_names":33},"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"L形截面性质","index":0,"n_rows":22,"n_cols":4,"rows_kept":22,"merged":[[0,0,0,3]],"flags":["formulas_cached_only"]}
["L形截面性质计算"]
["b＝",200,"(mm)","弱肢宽 b"]
["t＝",16,"(mm)","弱肢厚 t"]
["h＝",300,"(mm)","强肢高(包括弱肢厚) h"]
["tw＝",20,"(mm)","腹板厚 tw"]
["A＝",8880,"(mm)","截面面积 A"]
["S＝",{"v":923040,"d":"9.2304E+05"},"(mm3)","截面对弱肢边缘轴的面积矩 S=∑Ai*yi"]
["SS=",{"v":82400,"d":"8.2400E+04"},"(mm3)","截面对强肢边缘轴的面积矩 SS=∑Ai*xi"]
["y＝",{"v":103.94594594594595,"d":"1.0395E+02"},"(mm)","形心主轴x到弱肢边缘的距离 y=S/A"]
["yy＝",{"v":196.05405405405406,"d":"1.9605E+02"},"(mm)","形心主轴x到强肢下边缘的距离 yy=h-y"]
["x＝",{"v":9.27927927927928,"d":"9.2793E+00"},"(mm)","形心主轴y到强肢边缘的距离 x=SS/A"]
["xx＝",{"v":190.72072072072072,"d":"1.9072E+02"},"(mm)","形心主轴y到弱肢下边缘的距离 xx=b-x"]
["Ix＝",{"v":84299494.05405405,"d":"8.4299E+07"},"(mm4)","惯性矩 Ix=∑(Ix1+Ai*yi^2)"]
["ix＝",{"v":97.43298346734758,"d":"9.7433E+01"},"(mm)","回转半径 ix=sqrt(Ix/A)"]
["Iy＝",{"v":43424000,"d":"4.3424E+07"},"(mm4)","惯性矩 Iy=∑(Iy1+Ai*xi^2)"]
["iy＝",{"v":97.43298346734758,"d":"9.7433E+01"},"(mm)","回转半径 iy=sqrt(Iy/A)"]
["Wx＝",{"v":810993.5725429016,"d":"8.1099E+05"},"(mm3)","截面抵抗矩 Wx=Ix/y"]
["Wxx＝",{"v":429980.8767576509,"d":"4.2998E+05"},"(mm3)","截面抵抗矩 Wxx=Ix/(h-y)"]
["Wy＝",{"v":4679673.786407767,"d":"4.6797E+06"},"(mm3)","截面抵抗矩 Wy=Iy/x"]
["Wyy＝",{"v":227683.70335380256,"d":"2.2768E+05"},"(mm3)","截面抵抗矩 Wyy=Iy/(b-x)"]
["γ=",78.5,"(kN/m3)","材料重度 γ(钢材为78.5kN/m3)"]
["G＝",{"v":0.69708,"d":"0.6971"},"(kN/m)","每延米自重 G=Aγ"]