截面几何性质-T形截面教学文案.xls

T形形截截面面性性质质计计算算b200200(mm)翼缘宽 bt1616(mm)翼缘厚 thw11001100(mm)腹板净高 h0tw1010(mm)腹板厚 twh1116(mm)总高 hA1420014200(mm)截面面积 AS6.2516E+06(mm3)截面对上翼缘边缘轴的面积矩 S=Ai*yiy4.4025E+024.4025E+02(mm)形心主轴到上翼缘边缘的距离 y=S/Ayy6.7575E+02(mm)形心主轴到腹板下边缘的距离 yy=h-yIx1.8811E+091.8811E+09(mm4)惯性矩 Ix=(Ix1i+Ai*yi2)Iy1.0758E+071.0758E+07(mm4)惯性矩 Iy=(Iy1i+Ai*xi2)ix3.6396E+02(mm)回转半径 ix=sqrt(Ix/A)iy2.7525E+01(mm)回转半径 iy=sqrt(Iy/A)Wx4.2727E+064.2727E+06(mm3)截面抵抗矩 Wx=Ix/yWxx2.7837E+062.7837E+06(mm3)截面抵抗矩 Wxx=Ix/(h-y)Wy1.0758E+051.0758E+05(mm3)截面抵抗矩 Wy=Iy/b*2=78.578.5(kN/m3)材料重度(钢材为78.5kN/m3)G1.11471.1147(kN/m)每延米自重 G=A