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主梁和次梁的区别

更新时间: 2021-01-25 10:28:42     

主梁要放置在结构框架或者柱子上,次梁则放置在主梁上。主梁的作用是将其上的荷载通过两端支座直接传递给柱或墙,次梁的作用是在主梁上部负责传递荷载。主梁与同框架柱相连,并作为其它梁的支点,次梁为两端与主梁相连接。主梁既承担竖向力又承担水平力,次梁只承担竖向力。主梁刚度相对较大,需要考虑抗震。次梁则刚度相对较小,不需考虑抗震。主梁要承担次梁,一般来说主梁的高度要大于等于次梁,主梁要支在柱子或墙上,次梁则支在主梁上,在特殊的结构中会分不出主次梁,例如井式梁。

关键词: 区别

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