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结构力学习题解答备份.pdf

发布:2017-06-14约2.89万字共15页下载文档
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结构力学上册习题解答: 3.24 解1: q ′ 4 q = qcosα = q 5 16 ′′ ′ = q =qcosα= q 25 12 ′′′ ′ q = q sinα = q 25 1 4 ′′ ′ ⎧ R = q l = ql B = + ⎨ 2 10 ⎩ ′ l 5 l = = l=5 cosα 4 l = 4 3 ′′′ ′ R = q l =′ ql 1 1 4 Ax ′′ ′ 5 R =′ q l = qlcosα = ql Ay 2 2 10 B 1 ′′ ′2 1 2 0 M = q l = ql = M C C 8 8 C 2
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