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
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
图示空心截面对z轴的惯性矩I z 为:() https://assets.asklib.com/psource/2016071911381783156.jpg https://assets.asklib.com/psource/2016071911381948058.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
梁的横截面形状如图所示,则截面对Z轴的抗弯截面模量W z 为:() https://assets.asklib.com/psource/2016071912132044405.jpg https://assets.asklib.com/psource/201607191213181019.jpg
如图5-37所示,矩形截面对x轴的惯性矩为()。 https://assets.asklib.com/images/image2/201705101912598350.jpg https://assets.asklib.com/images/image2/2017051019130911258.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
梁的横截面形状如图示,则截面对Z轴的抗弯截面模量W z 为:() https://assets.asklib.com/psource/2016071913593439022.jpg https://assets.asklib.com/psource/201607191359321359.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
矩形截面(截面宽为b,高为h)对正交对称轴z的惯性矩为。
图示矩形截面对z1轴的惯性矩I为()。
矩形截面,高为h,宽为b,则其对形心轴z的惯性矩为?()
如图所示矩形截面,z轴过形心C,则该截面关于z、z1及z2轴的惯性距关系为()。<img src='https://img2.soutiyun.com/shangxueba/ask/1929001-1932000/1931988/ct_jgzjgysm_jgzjgyschoose_01029(20093)1.jpg' />
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:()
某一焊接工字形截面轴心受压柱,翼缘为2-200×10,腹板为1-350×8,则y轴的惯性矩为()cm^4。