• 2022-06-06
    如图所示结构,AC和BC均为边长[tex=4.071x1.0]D+wfHJ1zhbeZBJuE/SEY2Q==[/tex]的正方形截面木杆,AB为直径[tex=4.071x1.0]tb3WD3oMJMPVlojrYXQXSQ==[/tex]的圆形截面钢杆,已知[tex=3.286x1.0]fHpZ4iyGsYZWfNUoAuaczQ==[/tex]、木材的许用应力[tex=5.429x1.357]tO8OOmsobAMr6li5Xic6eg==[/tex]、钢材的许用应力[tex=5.929x1.357]iju6iLIRjRdLnphRjUTbxA==[/tex],试分别校核木杆和钢杆的强度。[img=300x233]179cc1f271ac4dd.png[/img]
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