计算组合图形形心线位置及A、I值分块编号12345678∑bi72.5600000hi773.12600000Ai49182.83600000267.8与坐标轴距离Xi3.3.5683.1200000AiXi171.57962.7682992.320000011126.588形心线位置41.55形心线以上部bi1234∑hiIi=bihi^3/12Ai=bihi2.534.558590.77267486.3703136777200.08333334900000000135.3703137hi=hi-1+hi34.812741.812741.812741.8127z0i=hi-1+0.5hi17.2738.01.51.55形心线以下部bi1234∑hiIi=bihi^3/12Ai=bihi2.538.5711955.56196.42968633661083600000000132.4296863hi=hi-1+hi38.5718745344.5718745344.5718745344.57187453z0i=hi-1+0.5hi19.2941.5744.5744.57计算剪应力不均匀系数µA1135.3703137A2I11098.507I2U1116904291.835U2132.4296863110146.306121046948.517、I值ai=|yi-xi|38.052.0141.570.000.000.000.000.00表一 I71135.4282185.4562323.950.000.000.000.000.0021.81以上部分AiZ0i^2Ii+AiZ0i^225772.31834363.09170935.33371135.4160.0000.0000.0000.000##########S'i=0.5bihi^2Si+1 =siu21491.9718.3581483356.3115691411.426041.8606041.91212880.410.0000.00.000.0000.00.00116904291.84以下部分AiZ0i^2Ii+AiZ0i^235866.76947822.35862215.94762323.9470.0000.0000.0000.000##########S'i=0.5bihi^2Si+1 =siu21859.741496.5874833356.3120273029.785959.9605960.0773918.740.0000.00.000.0000.00.00121046948.52µ1.3701.370
