Taking the beam end shear calculation of a six storey office building as an example, this paper analyzed the differences between frame beam end shear gained before and after bending moment, according to beam end bending moment principle and beam oblique section shear mech-anism under vertical load beams in frame beam structure, unified the solving method for frame beam end shear, had certain guiding significance to teaching work and practical engineering design.%以某六层办公楼梁端剪力计算为例，分析了弯矩调幅前后所得的梁端剪力间的差别，并依据框架结构中竖向荷载作用下梁端弯矩调幅原理及梁斜截面抗剪机理，统一了框架梁端剪力的求解方法，对教学工作及实际工程设计有一定的参考意义。
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