怎么在图纸上区分主梁次梁

2025-02-21 01:30:50
推荐回答(5个)
回答1:

在图纸上区分主梁次梁是标注编号不同:标注KL的是主梁,标注L的是次梁。

主梁与次梁在很多方面都有不同,但主要的区分如下:

1、直观位置不同:

凡是与同框架柱相连,并作为其它梁的支点的梁为主梁;凡两端均与主梁连接的其它梁为次梁。

2、受力角度不同:

传力路径总是次梁传至主梁;承担竖向力又承担水平力的梁为主梁,只承担竖向力的梁为次梁。

3、刚度不同:

刚度相对较大的梁为主梁,刚度相对较小的梁为次梁。

4、规格样式不同:

主梁截面大,次梁截面小;主梁规格高,次梁规格低;主梁搭载在墩柱上,次梁搭载在主梁上。

扩展资料:

主梁维修技术策略:

1、抽梁换柱

建筑构架基本完整,只是个别梁、柱糟朽,失去承载能力,需要更换新的构件时,可以用抽梁换柱的方法进行修整。如抽换柱子,首先减轻梁架荷重。

然后用千斤顶、牮杆支顶好柱上的梁、枋、斗栱等构件。最后将梁、枋、斗栱同时慢慢抬起,将坏柱子撤除,换上预先制作好的新柱子,再将梁、枋、斗栱归回原位,使榫卯吻合。

2、打牮拨正

梁架的主要承重构件基本完好,只是柱、梁倾斜,可以不大拆大卸,而采用打牮拨正的方法进行修整。

修整前先将倾斜的构件支顶好,避免工作时发生危险。再拆除檩条以上的瓦件、椽子、望板和妨碍打牮拨正的门、窗、墙身,将构件之间的榫卯松动,清除榫卯缝隙中的杂物。用牮杆将梁顶起,拨正柱子;建筑倾斜严重的,要重复多次进行拨正。

3、落架重修

建筑物破坏严重,需要更换的梁、柱、斗栱等构件较多,可采取落架重修的方法进行修整。

参考资料来源:百度百科--次梁

参考资料来源:百度百科--主梁

回答2:

  最简单的方法就是,梁端与柱相连的是主梁,与梁搭接的是次梁。
  一般标号zl是主梁
次梁是cl。现在基本都是平法标注。
  kjl一般就是主梁(框架梁)。

回答3:

最简单的方法就是,梁端与柱相连的是主梁,与梁搭接的是次梁。

回答4:

最简单的区分方法:截面尺寸越粗的就是主梁,而且长度比较短,次梁就是相对细的长的。

回答5:

最简单的鉴别方法:主梁支承在柱或墙上,次梁支承在主梁上。

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