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受压构件可分为哪两类

更新时间: 2020-10-11 00:00:00     

受压构件可分为轴心受压和偏心受压。

轴心受压:轴心受压是指在沿长度方向和宽度方向的两个对称轴均与作用在压梁上的刚性大梁相应的对称轴重合,通过刚性分配大梁实现均布加载。理想的轴心受压杆件为杆件挺直、荷载无偏心、无初始应力、无初始弯曲、无初偏心等杆件。

偏心受压:受压构件的压力作用线与构件轴线不重合。构件承受的压力作用点与构件的轴心偏离,使构件产生既受压又受弯时即为偏心受压构件。常见于屋架的上弦杆、砖墙和砖垛等。

关键词: 构件 分为

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