图示为某构件内危险点的应力状态,许用应力[σ],若用第三强度理论校核其强度,则相当应力为( )[img=410x222]1803be490e485ac.png[/img]
A: [img=129x31]1803be4916ab659.png[/img]
B: [img=129x31]1803be491e9cc7a.png[/img]
C: [img=55x25]1803be49264a269.png[/img], [img=95x45]1803be492da9b82.png[/img]
D: [img=158x48]1803be493536911.png[/img]
A: [img=129x31]1803be4916ab659.png[/img]
B: [img=129x31]1803be491e9cc7a.png[/img]
C: [img=55x25]1803be49264a269.png[/img], [img=95x45]1803be492da9b82.png[/img]
D: [img=158x48]1803be493536911.png[/img]
举一反三
- 图示为某构件内危险点的应力状态,许用应力[σ],若用第四强度理论校核其强度,则相当应力为( )[img=410x222]1803be4913ea7a1.png[/img] A: [img=129x31]1803be491c472db.png[/img] B: [img=129x31]1803be492497fdf.png[/img] C: [img=55x25]1803be492d23ecf.png[/img], [img=95x45]1803be4935b2bc5.png[/img] D: [img=158x48]1803be493cd4edc.png[/img]
- 图示为某构件内危险点的应力状态,许用应力[σ],若用第三强度理论校核其强度,则相当应力为( )[img=410x222]1803be490e485ac.png[/img] 未知类型:{'options': ['', '', '1803be49264a269.png, [img=95x45]1803be492da9b82.png[/img]', ''], 'type': 102}
- 图示为某构件内危险点的应力状态,若用第三强度理论校核其强度,则相当应力为[img=129x31]1803be4b91049b9.png[/img]。[img=410x222]1803be4b9b55584.png[/img]
- 图示为某铸铁构件内危险点的应力状态,许用应力[σ],可以采用的强度条件为( )[img=410x222]1803be496bd9371.png[/img] A: [img=129x31]1803be4974e464a.png[/img] B: [img=129x31]1803be497d11997.png[/img] C: [img=55x25]1803be49851ecb0.png[/img], [img=95x45]1803be498cd5488.png[/img] D: [img=158x48]1803be4994a47d5.png[/img]
- 图示为某构件内危险点的应力状态,若用第四强度理论校核其强度,则相当应力为[img=129x31]1803be4b8c57ee4.png[/img]。[img=410x222]1803be4b970fbe9.png[/img]