推荐回答(4个)
一、在小雨天气进行浇筑时,应采取下列措施:
1、适当减少混凝土拌和用水量和出机口混凝土的坍落度,必要时应适当缩小混凝土的水胶比;
2、加强仓内排水和防止周围雨水流入仓内;
3、做好新浇筑混凝土面尤其是接头部位的保护工作。
二、突发暴雨的情况下,如何处理:
1、若继续施工雨水顺着混凝土往下流,混凝土灌下去,就像一把面粉扔进水里,会被稀释,没强度的混凝土将来大面积返工。
2、浇筑过程中,遇大雨、暴雨,应立即停止进料,留置好施工缝,已入仓混凝土应振捣密实后遮盖。
3、雨后必须先排除仓内积水,对受雨水冲刷的部位应立即处理,如混凝土还能重塑,应加铺接缝混凝土后继续浇筑,一般这种情况混凝土都已经初凝了,如果表面很差的话就要进行剔凿,使用高一号混凝土处理。

扩展资料:
雨季进行混凝土施工要点
1)可以先与气象部门取得联系,制定出短期的气象预报。混凝土在浇筑前应及时了解天气预报,尽量利用晴天予以组织施工,如果在浇筑混凝土过程中一旦遇到下雨天气,应当立即采取措施用塑料布进行遮盖,以此防止新浇混凝土被雨水冲刷。如果工程因为抢工必须浇筑混凝土,则必须采取搭棚进行遮盖。
2)在混凝土施工过程中,由于使用的混凝土为商品混凝土,因此开盘前通常要求商品混凝土搅拌站根据砂、石含水率调整施工配合比,严格地控制商品混凝土的坍落度,满足雨期的施工要求。通常情况下,大雨时严禁浇筑混凝土。
3)使用混凝土搅拌泵输送出的混凝土未达到初凝时,如果一旦遇到下雨则应及时用塑料布进行遮盖,防止雨淋。
参考资料来源:百度百科-混凝土浇筑
像品泰高强无收缩灌浆料,灌浆24小时之后就可以紧固螺栓或者开机试车了,一到三天的强度就能达到50Mpa以上。如果灌浆之后在三个小时之内就下雨了,这个时候灌浆料还没有达到初凝,雨水就有可能将灌浆料冲刷掉,严重破坏了施工质量。如果下雨时已经超过了三个小时,这是灌浆料已经有了一定的强度,雨水对灌浆层不会造成很大影响,当然,这是在选择好质量的产品的前提下,这时要注意表面不要存在积水。
通过以上的讲解,在下雨天灌浆不是个明智的选择,因为灌浆料不能受潮,如果灌浆料有结块就不能使用了,此外在配制时是按照一定的比例配制的,下雨天会破坏这种比例,并且灌浆之后一段时间后才会初凝。
刚浇灌水泥下雨怎么办_____只要水没有混入混凝土内部,上面加盖塑料布,遮盖雨水不要混入混凝土就行了。水泥是水硬性材料,在水中照样能硬化。如果水混入混凝土太多,就影响混凝土质量。
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