• 2022-06-06
    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]