表1单跨超静定梁由单位杆端位移引起的杆端力(形常数)编号简图弯矩图杆端弯矩杆端剪力ABMBAMQABFQBAF1lABφ=1φ=14i2i6il6il2φ=1ABlφ=13i03il3il3ABφ=1φ=1li-i0041lAB6il6il212il212il51ABl3il023il23il表2单跨超静定梁由荷载引起的杆端力(载常数)编号简图弯矩图固端弯矩固端剪力FABMFBAMFQABFFQBAF1abABFPl22PFabl当a=b时8PFl22PFabl8PFl222(1)PFball2PF222(1)PFball2PF2ABlq212ql212ql2ql2ql3abABlFP2()2PFablbl当a=b时316PFl0223(3)3PFblbl1116PF23(2)2PFalbl516PF4ABlq28ql058ql38ql5ABlM2MM32Ml32Ml6ABablFP2PFl2PFlPFPF7qABl23ql26qlql08ABablFP()2PFalbl当a=b时38PFl22PFal8PFlPF0