{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["I形工字形截面性质"],"not_rendered":{"images":1,"external_links":1,"defined_names":29},"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"I形工字形截面性质","index":0,"n_rows":22,"n_cols":4,"rows_kept":22,"merged":[[0,0,0,3]],"flags":["formulas_cached_only"]}
["工字形截面性质计算"]
["b＝",200,"(mm)","上翼缘宽 b"]
["t＝",16,"(mm)","上翼缘厚 t"]
["bb＝",350,"(mm)","下翼缘宽 bb"]
["tt＝",16,"(mm)","下翼缘厚 tt"]
["hw＝",1100,"(mm)","腹板净高 h0"]
["tw＝",10,"(mm)","腹板厚 tw"]
["h＝",1132,"(mm)","总高 h"]
["A＝",19800,"(mm)","截面面积 A"]
["S＝",{"v":12546000,"d":"1.2546E+07"},"(mm3)","截面对上翼缘边缘轴的面积矩 S=∑Ai*yi"]
["y＝",{"v":633.6363636363636,"d":"6.3364E+02"},"(mm)","形心主轴到上翼缘边缘的距离 y=S/A"]
["yy＝",{"v":498.3636363636364,"d":"4.9836E+02"},"(mm)","形心主轴到下翼缘边缘的距离 yy=h-y"]
["Ix＝",{"v":3758778981.818182,"d":"3.7588E+09"},"(mm4)","惯性矩 Ix=∑(Ix1+Ai*yi^2)"]
["Iy＝",{"v":67925000,"d":"6.7925E+07"},"(mm4)","惯性矩 Iy=∑(Iy1+Ai*xi^2)"]
["ix＝",{"v":435.7032502908942,"d":"4.3570E+02"},"(mm)","回转半径 ix=sqrt(Ix/A)"]
["iy＝",{"v":58.570944636018595,"d":"5.8571E+01"},"(mm)","回转半径 iy=sqrt(Iy/A)"]
["Wx＝",{"v":5932075.8680057395,"d":"5.9321E+06"},"(mm3)","截面抵抗矩 Wx=Ix/y"]
["Wxx＝",{"v":7542241.663626414,"d":"7.5422E+06"},"(mm3)","截面抵抗矩 Wxx=Ix/(h-y)"]
["Wy＝",{"v":679250,"d":"6.7925E+05"},"(mm3)","截面抵抗矩 Wy=Iy/b*2"]
["Wyy＝",{"v":388142.85714285716,"d":"3.8814E+05"},"(mm3)","截面抵抗矩 Wyy=Iy/bb*2"]
["γ=",78.5,"(kN/m3)","材料重度 γ(钢材为78.5kN/m3)"]
["G＝",1.5543,"(kN/m)","每延米自重 G=Aγ"]