...ever beam)) 4-2 梁的支座和载荷的简化 4-2 梁的支座和载荷的简化 5 一、梁的剪力和弯矩 (shearing force and bending moment) F A l B F RA F RB x m m (a) F RA F S M (b) F RB F S M F (c) 梁在竖向荷载作用下，其横截面上的 内力可以通过截面法求出来。
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该法可以对在弯矩、剪力和轴力共同作用下的钢筋混凝土梁截面进行较为准确的荷载-变形反应全过程分析。
This method can be used to analyze accurately the complete load-deformation response of RC beams loaded in combined shear, moment, and axial load.
借助与桁架对应的梁的剪力图和弯矩图根据两个关系式可直接求出一般平面平行弦桁架任一根杆件的轴力。
For a complanate parallel chords truss, the axial forces of a member can be solved by the shear-diagram and two simple expressions.
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