300300LqPPLLLL/2L/2(91)L(92)mP44m2m2m4m(93)Paaaaa(94)Maaaaaaaa(95)1516
10kN/m2m20kNP60kNm60kNm2m2m2aa2m2m2maaa(97)(96)P100kNm2m50kN10kN/m2mL2m2m2mLLL(99)(98)Maaaa(100)a/2a/2L
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静定结构弯矩图百题练习答案
M=qL22一、梁qqL /82PLPPLPL29qL2qqL282PLLL/2LqL24LLLP=2qL(1)(2)(3)PLPLPLLqL42qP2P(4)qL8L24pLL3L5pL3L(5)qL2+M2(6)qL22qMqP=qLLqL22LqL22LLLL(8)(7)25qL22qL2(9)pL23qL22PLLM=PLpLqL22qP=qLqP=qLL2qL82qL2M=qLL2L(10)(11)(12)qqqqL28qL285qL2322qL8LL(13)(14)5qLL/4322LL/4(15)L/2
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55q=10203060515qa22qqa22M=2qa2m2maqa282a3qa22a2m2m(16)(17)9qaq8217qa228qa2P=qaM=qa24qa2P=2qaq2qa23aa2a15qa216qa22aaa2a4a(18)二、悬臂式刚架PL23PL2PL2L/2M=PL300PL2PL2PLL/2P3PL3PL2LL/2L/2(19)(20)qPLPLqL22LPLL(21)(22)
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PPaPPaa2Paaa(23)2PLPL2PLPLL23PLLL(25)qqa2qa2qa2/aqa /82qa2qa22/aqa22a(27)PLPLL23PLLL(24)qa2qaqa /82qaqa /22a(26)qa2q2qa2qa2q2a2qa2aa(28)20