The master frame is characteristic of shear structure deformation and the master support features bending cantilever bar deformation.
总框架具有剪切结构的变形特征，总支撑则具有弯曲悬臂杆的变形特征。
P The minimum diameter to which a bar is bent shall be such as to avoid bending cracks in the bar, and to avoid failure of the concrete inside the bend of the bar.
弯曲钢筋的最小直径处应避免弯曲裂缝，并避免在弯曲位置的钢筋混凝土破坏。
With this situation, any amount of axial load can be applied to compressive bar of arbitrary length without bending.
在此状态下可在任意长度的压杆上，加任意大小的轴向载荷，而不产生弯曲。
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