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檩条是什么?它的分类有哪些
更新时间: 2021-09-29 17:45:06  

檩条是一种支撑构件,垂直于屋架或是椽子的水平屋顶梁,分为冷弯薄壁型钢、槽钢檩条和组合槽钢檩条。檩条是横向受弯用来支撑屋面以及椽子的,主要组成部分是上弦杆和端竖压杆。

1、冷弯薄壁型钢。用钢量更节省而且受力明确,少部分用的圆钢。最常见的种类是槽钢檩条以及角钢檩条。

2、槽钢檩条。槽钢檩条又分为普通的和轻型的,角钢檩条取材方便,适合用于跨度较大的情况。

3、组合槽钢檩条。是用两个角钢焊接而成的,用钢量比普通槽钢更节省,但是焊接工作量较大,适用于跨度小于或等于四米的情况。

关键词: 什么 分类 哪些

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