第05章彎曲內(nèi)力-3__剪力圖_扭矩圖_練習

1、7:5017:502AYBYABm.20m.10C10 NmNYYBA50 FSM50 N10 Nm0 BM0Y（+）（+）一、作出剪力圖和彎矩圖一、作出剪力圖和彎矩圖7:503AFBFAa2Caq 0 BM02212 aFaaqaaqAqaFA43 qaFB49 FSM0.28 qa23/4qa5/4qa1qaa75. 00.5 qa2(3)0Y（+）（-）（+）（+）（-）7:504(4)AFBFABCq 2qam a2aaFSM5/6 qa1qaa6111/2 qa20 AM05 . 2332 aaqqaaFBqaFB613 qaFA65 7/6 qa5/6 qa21/6 qa213/7

2、2 qa20Y （+）（+）（-）（+）（-）7:505q 2qam aaABCa2a2qam 2qaqa2qa22qa2qa23qa23qa2qaA B Cqa22qa7:506ABq P=qaAa4aq aaaaqaqaqaqaqa2qa22qa2811qa2qa232qaB2qa223qa7:507mLLLqPPqml/2l/2LLFS-M圖競賽圖競賽1432Pqml/2l/2l/2LLL98765PPPPl/2l/4l/4l/4l/2l/4ml/2l/2121110pqL221qLPLmp/2p/2qL/2qL/2m/Lm/Lp/23p/2qL/85qL/8m/Lm/Lppm/Lm/L

3、p/2p/27:508mLLqLPQ-M圖競賽圖競賽pFSM(+)(-)FSM(+)(-)qL221qLqLPLpFSM(+)221qLPLmm7:509Pqml/2l/2LL465p/2p/2qL/2qL/2m/Lm/LFSM(+)(+)FSM(+)(+)PL/4p/2FSM(+)(-)p/2(-)(+)mm/L281qLqL/2qL/27:5010Pqml/2l/2l/2LLL987p/23p/2qL/85qL/8m/Lm/LFSM(+)(-)FSM(-)(-)PL/2p/2FSM(+)(-)p/2+(+)mm/L281qLqL/8qL/27:5011PPPPl/2l/4l/4l/4l/2

4、l/4ml/2l/2121110ppm/Lm/Lp/2p/2FSM(+)(+)FSM(-)(+)PL/4pFSM(+)(+)p+(+)m/2Lm/LpL81p/2p/2+p/2(-)pL81(-)m/2L7:5012作業(yè)作業(yè): 5-4 5-5 5-77:5013FS-M圖練習題圖練習題2l2llFqqaaaaqqa2aaaqa7:5014M2l2llF2PFS2F+2F- -4Fl+- -2Fl2FL2F7:50154qa- -qa- -4qaFS+43qa3223849425684334437472222qaqaqaqaDM ）（+M42qa- -432qa2qa32232qaDqqa2aa

5、aqa47qa7:5016MQ+- -+2qaqqaaaa+- -22qa2qa02qa2qa2qa82qa7:5017MPqaaqqaaqa2qa22qaqaqaqaQ22qaA B C D（+）（+）（-）（+）（-）機電機電7:5018m4m4m4m3kNP21kNP22kNmMD10mkNq/1ACDBEARBRkNRA7kNRB5kN7kN3kN1kN3kN2kNm20kNm5 .20kNm16kNm6kNm6例例（+）（-）（+）（+）機電機電7:5019qa3qa2qa22qa22qa22qaq2qaa2aaQMqa5qaACBD機電機電7:5020qa22/qaaQMqqa / 2qa / 2qaqa / 2qa / 2qa22/qa28/A B C機電機電7:5021qaaQM2qa74qa54qa74qa34qa54qa /542qa /A B C機電機電7:502222qaq