图示危险点单元体的平面应力状态,按第三、第四强度理论的相当应力是()。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/a3afa62ab3474f44b438ef2a5657f4c6.png
举一反三
- 如果图示平面应力状态单元体中的切应力改变方向,则( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/9007aa981ddd485aadc898fc57dc938f.png
- 关于图示单元体属于哪种应力状态,正确的是()。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/0ce9566380e84711bd3d96d1cceb660a.png
- 关于图示单元体属于哪种应力状态,正确的是( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/0ce9566380e84711bd3d96d1cceb660a.png
- 按照第三强度理论,比较图示两个应力状态的相当应力(图中应力单位为MPa),为 。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201705/ceb564bd49a344c0965e2f46657b7862.jpg
- 关于图示梁中a点的应力状态是()。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/fff83a50aca14ca09e656a1380d010a0.png