需输入简化截面尺寸值以m计b:1.4h:1.6顶板厚0.2底板厚0.2腹板厚0.2翼板宽b11b210.67968需输入简化截面尺寸值以m计(1)b1=t1=b2=t2=查表内插c1=查表内插c2=T梁截面抗扭惯性矩计算b、h为截面中心线所围绕成的面积的高和宽无翼板可不计入计算,输入0即可抗扭惯性矩计算值=箱梁、空心板截面抗扭惯性矩计算12311/tb22/tb1TI(2)b1-t2=t1=b2+t1=t2=查表内插c1=查表内插c2=最终(1)与(2)相比较取大值0.004082112/tbt221/tbtTI2TI1TI1.58内插计算0.14手动输入0.20.2911.460.10.3120.180.0886080.123C=0.307170.1232880.3330.3070.004058b、h为截面中心线所围绕成的面积的高和宽22/tb/tb1.4内插计算0.14手动输入0.20.2911.60.10.3120.180.10.112C=0.309480.11250.3120.3090.0040820.004058最终(1)与(2)相比较取大值0.004082/tb