静定结构弯矩图百题练习(15)(14)(13)(12)(11)(10)(9)(8)(7)(6)(5)(4)(3)(2)(1)一、梁L/2L/4L/4qLqLqL2M=qLP=qLLqLqLP=qLM=PL2PLLqLP=qLMLLqLLLL2PPLLLqLPLLPP=2qLLqLPL2PLPLLL/22M=qLqLqLL(22)(21)(20)(19)二、悬臂式刚架(18)(17)(16)PPLLL/2L/2L/2L/2030PLL2M=qaP=qaP=2qaqq4a2aaa2a2aa3aM=2qaqa2aa2m2m2m1560q=102mM=PL(28)(27)(26)(25)(24)(23)qq2aaaa/2qqaa/2aqqaaaPL2LLLLP2LLLPPaaa2PLqa22m2m2m(34)(33)(32)(31)(30)(29)qqaaaaaLqLL/2L/2qL3m30kN20kN/m3m3m3m40kN10kN/mP=40kN2m2m2maPaa(40)(39)(38)(37)L(36)(35)三、简支式刚架aaqq2aqa2a2qaaqaaqq/2a/2qaaaa/2PLPPaaa/2aqa2(46)(45)(44)(43)(42)(41)3m4m4mqqLqLLL40kN10kN/m3m3m3m3m3maaa2aqaqaa2a2M=qaqa/2a/2a4Pa(53)(50)(51)(48)(47)aaaaMaa2aPPLLL1
5LLLLqLPPL2LLqLLq(49)qqqqa/2a/2aa(52)(53)(50)(51)(48)(47)aaaaMaa2aPPLLL1
5LLLLqL(58)(57)L/2L/28L/2L/2四、三铰式刚架(56)LM50kN0
5m4m50kN0
5m4m2mL/2LP(55)3a3a2a(54)qaqq=20kN/m