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{"sheet":"矩形截面性质","index":0,"n_rows":16,"n_cols":4,"rows_kept":16,"merged":[[0,0,0,3]],"flags":["formulas_cached_only"]}
["矩形截面性质计算"]
["b＝",200,"(mm)","矩形宽 b"]
["h＝",250,"(mm)","矩形高 h"]
["A＝",50000,"(mm)","截面面积 A"]
["Ix＝",{"v":260416666.66666666,"d":"2.6042E+08"},"(mm4)","惯性矩 Ix=b*h^3/12"]
["Ix0＝",{"v":1041666666.6666666,"d":"1.0417E+09"},"(mm4)","截面对上下边缘惯性矩 Ix0=Ix+b*h*(h/2)^2"]
["Iy＝",{"v":166666666.66666666,"d":"1.6667E+08"},"(mm4)","惯性矩 Iy=h*b^3/12"]
["Iy0＝",{"v":666666666.6666666,"d":"6.6667E+08"},"(mm5)","截面对左右边缘惯性矩 Iy0=Ix+b*h*(b/2)^2"]
["ix＝",{"v":72.16878364870321,"d":"7.2169E+01"},"(mm)","回转半径 ix=sqrt(Ix/A)"]
["ix0＝",{"v":144.33756729740642,"d":"1.4434E+02"},"(mm)","截面对上下边缘回转半径 ix0=sqrt(Ix0/A)"]
["iy＝",{"v":57.735026918962575,"d":"5.7735E+01"},"(mm)","回转半径 iy=sqrt(Iy/A)"]
["iy0＝",{"v":115.47005383792515,"d":"1.1547E+02"},"(mm)","截面对左右边缘回转半径 iy0=sqrt(Iy0/A)"]
["Wx＝",{"v":2083333.3333333333,"d":"2.0833E+06"},"(mm3)","截面抵抗矩 Wx=Ix/h*2"]
["Wy＝",{"v":1666666.6666666665,"d":"1.6667E+06"},"(mm3)","截面抵抗矩 Wy=Iy/b*2"]
["γ=",78.5,"(kN/m3)","材料重度 γ(钢材为78.5kN/m3)"]
["G＝",{"v":3.925,"d":"3.9250"},"(kN/m)","每延米自重 G=Aγ"]