自建房单层筋没有负弯矩筋现浇楼面四周墙边开裂一圈已下沉1公分,现在怎么补救?

2025-04-02 06:30:47
推荐回答(3个)
回答1:

你这不是没设置负弯矩筋的问题了,能下沉1公分说明楼板混凝土完全断裂,钢筋也已经完全错位,为啥钢筋没能够抵抗这部分下沉,很明显是你单层钢筋配置有问题了
所以说当下就需要看你现场有多少这样地方
具体发展到多大面积,如果大面积如此没有加固的必要了
所以说还是尽快提供图,给你更专业指导

回答2:

你所描述问题的原因是:钢筋配置不足。
最可靠补救措施:首先,对楼板底部采取支撑回顶,避免继续开裂和出现破坏;其次,采取加固措施,加固措施需根据结构形式来确定,如果楼板下均有梁,可以通过楼板下拉设一定直径的高强度钢丝绳(间距一般不大于200mm,直径不小于8mm,具体根据楼板跨度确定),钢丝绳拉设与周边梁上,然后采用喷射混凝土进行固化,喷射混凝土厚度不小于60mm,混凝土达到强度后拆除支撑,再对点支撑部位进行补孔。最后进行楼板底的装饰。
当然,也可以采取支撑后进行板底用碳纤维布加固或者粘钢板加固方式,具体需根据实际情况确定。

回答3:

自建房单层筋没有负弯矩筋现浇楼面四周墙边开裂一圈已下沉1公分,现在怎么补救?自建房单层筋没有负弯矩筋现浇楼面四周墙边开裂一圈已下沉1公分,现在怎么补救?自建房单层筋没有负弯矩筋现浇楼面四周墙边开裂一圈已下沉1公分,现在怎么补救?

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