有两个问题需要请教一下大家1、在门窗洞口两侧是否需要加混凝土柱?2、如果设计没有规定,规范是否有规定,

2025-04-07 09:58:03
推荐回答(5个)
回答1:

门窗洞口宽度大于等于2.1m的情况下需要增加构造柱。如果设计图纸没有详细的规定,要按照现行的建筑抗震设计规范GB50011-2010、混凝土结构设计规范GB50010-2010以及地方性结构图集等条文进行施工。

理由如下:

根据现行规范:建筑抗震设计规范GB50011-2010中第84页7.3.1条的规定:

宽度不小于2.1m的较大洞口两侧需要设置构造柱。 详见图示

需要注意的是:较大洞口,内墙指不小于2.1m的洞口;外墙在内外墙交接处已设置构造柱时应允许适当放宽,但洞侧墙体应加强。

回答2:

规范没有规定。但有时设计总说明中会要求洞口宽度达到2000的设砼(有时还会要求所有洞口边设砼柱)。

回答3:

如果是框架结构不需要,只需要在门窗洞口处加过梁,若为砌体结构,且以实心砖为承重结构也不需要,只是在墙的拐角处增设构造柱。

回答4:

规范没有这样的规定:
1、因为门窗一般宽度不大,所以只要注意保证门窗上面的承重就行了。
2、柱子一般起防震作用,多用于拐角处、长墙段中间、墙段较短处等。
3、如果门窗洞的间距较小(小于1米)时,要使用墙中柱。

回答5:

没有规定要加构造柱哈!!

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