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82问答网 > 请问怎么求各梁的支座反力，谢谢

请问怎么求各梁的支座反力，谢谢

2025-03-16 05:50:18

推荐回答（2个）

回答1：

计算支反力时，均布荷载可用等效的集中荷载P代替， P的大小 =q(2m) =(2KN/m)(2m) =4KN P的作用点在均布段中点，即： P对B点取矩的力臂=1m, P对A点取矩的力臂=6m+1m =7m ΣMA =0, FBy.6m -P.7m -F.4m -M =0 FBy.6m -(4KN)(7m) -(3KN)(4m) -4KN.m

回答2：

是不是得啥病了

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