习题解答结构力学1龙驭球结构力学答案习题解答结构力学2第二章结构的几何构造分析进行几何构造分析:P.372-1(b)2-2(b)P.372-3(c)2-4(d)(e)P.382-6(b)(c)2-7(a)P.392-8(a)(b)2-92-10(b)求计算自由度:P.392-10(b)2-12习题解答结构力学3P.372-1(b)三链杆交于一点,瞬变123习题解答结构力学4P.372-2(b)习题解答结构力学5几何不变,无多余约束习题解答结构力学6几何不变,有一个多余约束P.372-3(c)有一个多余约束123习题解答结构力学7P.372-4(d)IIIIIIO(I、II)IIIIIO(II、III)IO(I、III)12铰O(I、II)、O(II、III)的连线与1、2两链杆不平行,体系几何不变,无多余约束习题解答结构力学8P.372-4(d)IIIIII1234O(I、II)O(II、III)O(I、III)1234IIIIII形成两无穷远瞬铰O(I、II)、O(II、III)的4根链杆1、2和3、4不全平行,体系几何不变,无多余约束IIIIII习题解答结构力学9P.372-4(e)习题解答结构力学10P.372-4(e)三杆共线,瞬变习题解答结构力学11P.382-6(b)几何不变,无多余约束习题解答结构力学12P.382-6(c)三杆共点,瞬变习题解答结构力学13P.382-7(a)几何不变,无多余约束习题解答结构力学14IIIIB12AIIO(II,III)铰A、B的连线与1、2两链杆不平行,体系几何不变,无多余约束III2III1O(II,III)BA铰A、B共点,与链杆1、2形成的无穷远瞬铰共线,体系瞬变P.392-8(a)2-8(b)习题解答结构力学15P.392-9习题解答结构力学16几何不变,无多余约束IIIIIIIIIIIIO(I、II)O(I、III)O(II、III)习题解答结构力学17三铰共线,瞬变O(I、III)IIIIIIO(I、II)O(II、III)习题解答结构力学18几何不变,无多余约束IIIIIIO(II、III)O(I、II)IIIIIIO(I、III)习题解答结构力学19P.392-10(b)铰A、B的连线与1、2两链杆平行,体系瞬变21AB习题解答结构力学20P.392-12S=3m-(3g+2h+b)=3×1-(3×4+2×0+3)=-12S=3m-(3g+2h+b)=3×8-(3×2+2×9+3)=-3几何不变,12个多余约束几何不变,3个多余约束习题解答结构力学21第三章静定结构的受力分析3.1梁的内力P.1073-1(b)(c)(e)P.1083-2习题解答结构力学22P.1073-1(b)用分段叠加法作梁的M图88A2lq88lq2l82lqBq2lqq2l2lq882lq2lq88lq282lq88A2lq88lq2l82lqBq2lqq2l习题解答结构力学23P.1073-1(c)用分段叠加法作梁的M图PFBAClFP44FPl2l2lABC4lPF4FPl2FPlM图PFBAClFP44FPl2l2lABC4lPF4FPl2FPl习题解答结构力学24P.1073-1(e)用分段叠加法作梁的M图A2kN.m4m3kN/mB2mAB(4)26(3)1.5621.5M图(kN.m)A2kN.m4m3kN/mB2mAB(4)26(3)1.5621.5习题解答结构力学25P.1083-2判断内力图正确与否,将错误改正(a)BqMMM图FQ图FQ图M图BMqM习题解答结构力学26P.1083-2判断内力图正确与否,将错误改正(a)BqMMM图FQ图FQ图M图BMqM习题解答结构力学27P.1083-2判断内力图正确与否,将错误改正(b)M图FQ图FQ图M图习题解答结构力学28P.1083-2判断内力图正确与否,将错误改正(b)M图FQ图FQ图M图习题解答结构力学29P.1083-2判断内力图正确与否,将错误改正(c)FQ图M图M图FQ图习题解答结构力学30P.1083-2判断内力图正确与否,将错误改正(c)FQ图M图M图FQ图习题解答结构力学31P.1083-2判断内力图正确与否,将错误改正(c)FQ图M图M图FQ图习题解答结构力学32P.1083-2判断内力图正确与否,将错误改正(d)M图FQ图M图FQ图习题解答结构力学33P.1083-2判断内力图正确与否,将错误改正(d)M图FQ图FQ图M图习题解答结构力学34P.1083-2判断内力图正确与否,将错误改正(e)FQ图M图FQ图M图FQ图M图M图FQ图FP2FP1FP1FP2习题解答结构力学373.2静定多跨梁P.1113-5(a)求支座反力,作梁的内力图2m20kN2.5m1.5m1.5m4.5m3m3m6m6m6m10kN20kN/m8.98kN20kN15.08kN10kN10.44kN4.5kN20kN/m276.16.758.1M图FQ图464.58.98114.52m20kN2.5m1.5m1.5m4.5m3m3m6m6m6m10kN20kN/m8.98kN20kN15.08kN10kN10.44kN4.5kN20kN/m276.16.758.1M图FQ图464.58.98114.5M图(kN.m)FQ图(kN)习题解答结构力学383.3静定平面刚架必作题:P.1093-3(b)(d)(f)(j)P.1103-4(a...