第2章静定结构内力计算练习题1张永山

朽木易折，金石可镂。千里之行，始于足下。第页/共页qN(b)ql(a)qN(b)ql(a)qNql2ql2DqNql2ql2D20kND10kN10kN10kN4m4m4m4m4m4m4m10kN/m(m)10kN/m1m(l)MN1m4m(k)4m4m4m(j)4m4m4m(i)(g)CBAql2qNqlDEDBACqNql2ql(h)BCDAEqNql2ql(f)ECBBAAqNql2(e)qNACBql2(d)DCBAECBqlql2qN(c)BA20kND10kN10kN10kN4m4m4m4m4m4m4m10kN/m(m)10kN/m1m(l)MN1m4m(k)4m4m4m(j)4m4m4m(i)(g)CBAql2qNqlDEDBACqNql2ql(h)BCDAEqNql2ql(f)ECBBAAqNql2(e)qNACBql2(d)DCBAECBqlql2qN(c)BAqCllllllFPllqBABACMqCBABCAqqM(g)(h)(f)(c)(d)(e)(b)(a)2、求支座反力，并作弯矩图。qCllllllFPllqBABACMqCBABCAqqM(g)(h)(f)(c)(d)(e)(b)(a)FPqBEADCBDCBADCBADCAlqllllqllqCDABqlql2DqCBA50kN/m4m3m3mCBDA50kN100kN/m3m3m4mql2DBACql(g)(h)(e)(f)(d)(c)(b)(a)3、作弯矩图。FPqBEADCBDCBADCBADCAlqllllqllqCDABqlql2DqCBA50kN/m4m3m3mCBDA50kN100kN/m3m3m4mql2DBACql(g)(h)(e)(f)(d)(c)(b)(a)(a)4、作弯矩图。(a)FP(c)FP(c)(b)qGFEDCBACGFEDBADBEDCBAEDCBADCBAllllllqqMMlllllllllFPFPFPllCAMBACql2MNMN(j)(h)(i)(g)(f)(d)(e)qGFEDCBACGFEDBADBEDCBAEDCBADCBAllllllqqMMlllllllllFPFPFPllCAMBACql2MNMN(j)(h)(i)(g)(f)(d)(e)BAABABBBllllFPFPFPqlllClFPqCBACBACBAMCAMCACqC(g)(h)(e)(f)(d)(c)(b)(a)5、作弯矩图。BAABABBBllllFPFPFPqlllClFPqCBACBACBAMCAMCACqC(g)(h)(e)(f)(d)(c)(b)(a)(a)6、作弯矩图。(a)(b)(b)FAqlllql22l(g)ql2l2lAlllllFPFPFPFPBDHIFGECADlCAqNBql(h)qlql2qNCBqNql(e)MFEDCBACGECBBAqN(f)(d)qN(c)FAqlllql22(g)ql2l2AlllllFPFPFPFPBDHIFGECADlCAqNBql(h)qlql2qNCBqNql(e)MFEDCBACGECBBAqN(f)(d)qN(c)10kN/m10kN/mqlGllllll10kN10kN2m2m2m2m2m2m2m2m(i)10kN10kN4kN/m2m2m2m2m4m(h)qN(g)FEDCBABql2(f)qNDCBqN(d)ABDGF(c)ECqNBAqNql(b)ql2qNqN(a)7、作弯矩图。EFBql2DCAB(e)10kN/m10kN/mqlGllllll10kN10kN2m2m2m2m2m2m2m2m(i)10kN10kN4kN/m2m2m2m2m4m(h)qN(g)FEDCBABql2(f)qNDCBqN(d)ABDGF(c)ECqNBAqNql(b)ql2qNqN(a)EFBql2DCAB(e)(h)作内力图。llFP212mFP21llFP1FPqlllllFPl2m2m2m2m(g)作内力图。21(d)2150kN(c)12350kN2m2m2m2m2m2m(b)32110kN4m4m4m4m5kN4m4m(a)(e)8、求指定杆件内力。(f)(h)作内力图。llFP212mFP21llFP1FPqlllllFPl2m2m2m2m(g)作内力图。21(d)2150kN(c)12350kN2m2m2m2m2m2m(b)32110kN4m4m4m4m5kN4m4m(a)(e)(f)4m4m4m4m(a)(c)(e)(g)2mll2150kN30kNFPFPlll21(f)lllFP21(h)ll2150kNl30kN30kN50kN321(d)3212m2m2m2m2m2m2m50kN2m1250kN2m2m(b)110kN4m4m4m4m9、求指定杆件内力。4m4m4m4m(a)(c)(e)(g)2mll2150kN30kNFPFPlll21(f)lllFP21(h)ll2150kNl30kN30kN50kN321(d)3212m2m2m2m2m2m2m50kN2m1250kN2m2m(b)110kN4m4m4m4mql(b)(a)10、作弯矩图。ql(b)(a)AAEBACFD20kN2m2m2m4m(d)EDAAEBACFD20kN2m2m2m4m(d)EDHlqN4m4mAqqqllllGFCql2EBDl10kN20kN10kN10kN10kN/m2m2m2m2m(h)4m4m(g)FPlFP(j)(i)DBC4m4m2m2mE(e)(f)ABEDCqN(