截面几何性质-T形截面

b＝200(mm)翼缘宽bt＝16(mm)翼缘厚thw＝1100(mm)腹板净高h0tw＝10(mm)腹板厚twh＝1116(mm)总高hA＝14200(mm)截面面积AS＝6.2516E+06(mm3)截面对上翼缘边缘轴的面积矩S=∑Ai*yiy＝4.4025E+02(mm)形心主轴到上翼缘边缘的距离y=S/Ayy＝6.7575E+02(mm)形心主轴到腹板下边缘的距离yy=h-yIx＝1.8811E+09(mm4)惯性矩Ix=∑(Ix1i+Ai*yi^2)Iy＝1.0758E+07(mm4)惯性矩Iy=∑(Iy1i+Ai*xi^2)ix＝3.6396E+02(mm)回转半径ix=sqrt(Ix/A)iy＝2.7525E+01(mm)回转半径iy=sqrt(Iy/A)Wx＝4.2727E+06(mm3)截面抵抗矩Wx=Ix/yWxx＝2.7837E+06(mm3)截面抵抗矩Wxx=Ix/(h-y)Wy＝1.0758E+05(mm3)截面抵抗矩Wy=Iy/b*2γ=78.5(kN/m3)材料重度γ(钢材为78.5kN/m3)G＝1.1147(kN/m)每延米自重G=AγT形截面性质计算