图5-36所示矩形截面对形心轴xc轴的惯性矩为()。 https://assets.asklib.com/images/image2/2017051018415595748.jpg https://assets.asklib.com/images/image2/2017051018421268572.jpg
图所示正方形截面对要y 1 轴的惯性矩应为:() https://assets.asklib.com/psource/2016071911540243761.jpg https://assets.asklib.com/psource/2016071911540550249.jpg
如图5-35所示,圆形截面对x轴的面积矩为()。 https://assets.asklib.com/images/image2/2017051018544753575.jpg https://assets.asklib.com/images/image2/2017051018544099064.jpg
如图所示正方形截面对z 1 轴的惯性矩与对z轴惯性矩的关系是:() https://assets.asklib.com/psource/2016071911530954202.jpg https://assets.asklib.com/psource/2016071911530766388.jpg
圆形截面对中性轴的惯性矩为()。https://assets.asklib.com/images/image2/2018071614264087588.png
图5-5-9所示任意截面已知面积为A,形心为C,对z轴的惯性矩为I,则截面对z 1 轴的惯性矩I z1 为:() https://assets.asklib.com/psource/2016071910353680984.gif https://assets.asklib.com/psource/2016071910354280288.jpg
矩形截面挖去一个边长为a的正方形,如图所示,该截面对z轴的惯性矩I为:() https://assets.asklib.com/psource/2016071911410169826.jpg https://assets.asklib.com/psource/2016071911410950424.jpg
如图所示圆截面直径为d,则截面对O点的极惯性矩为()https://assets.asklib.com/psource/2015102714020066903.jpg
如图所示,正方形截面对x轴的惯性矩为()。 https://assets.asklib.com/images/image2/2017051109305530527.jpg https://assets.asklib.com/images/image2/2017051109310551765.jpg
矩形截面挖去一个边长为a的正方形,如图示。该截面对z轴的惯性矩I z 为()。 https://assets.asklib.com/psource/2016071914120165156.jpg https://assets.asklib.com/psource/2016071914120344917.jpg
直径为d的圆形截面对形心轴的惯性矩为()。https://assets.asklib.com/images/image2/2017051108465325702.jpg
图5-5所示圆形截面对z轴的面积矩为()。 https://assets.asklib.com/images/image2/2017051109192823440.jpg https://assets.asklib.com/images/image2/2017051109193945762.jpg
如图所示圆截面直径为d,则截面对O点的极惯性矩为:() https://assets.asklib.com/psource/2016071911521678131.jpg https://assets.asklib.com/psource/2016071911521855704.jpg
如图5-38所示,圆形截面对x轴的惯性矩为()。 https://assets.asklib.com/images/image2/2017051019102011239.jpg https://assets.asklib.com/images/image2/2017051019103219560.jpg
矩形截面对中性轴的惯性矩为()。https://assets.asklib.com/images/image2/2018071614232356185.png
如图所示构件为矩形截面,截面对Z轴的惯性矩为()。81fafb28e5337d9ad3041c5bdbc4d67f.jpg
矩形截面的惯性矩为 。
若截面对某轴的静矩为零,则该轴一定过形心。
图示矩形截面对z1轴的惯性矩I为()。
如图所示矩形截面6=200mm,h=600mm,若正方形截面的抗弯模量与该矩形截面相同,则该正方形截面的边长为()mm。
若坐对标轴通过截面的形心,则截面对该坐标轴的静矩等于零,而截面对该坐标轴的惯性矩为零。()
矩形截面,高为h,宽为b,则其对形心轴z的惯性矩为?()
矩形截面挖去一个边长为n的正方形,如图所示,该截面对z轴的惯性矩Iz为()。
图5-5-9所示任意截面已知面积为A,形心为C,对z轴的惯性矩为I,则截面对z<sub>1</sub>轴的惯性矩I<sub>z1</sub>为:()