水泥砂浆掺防水剂,水泥的比重是多少?在哪个规范能说明

2025-03-15 22:35:29
推荐回答(2个)
回答1:

防水砂浆中防水剂的掺量:如果用高浓缩水泥砂浆防水剂原液(1::50)时,使用水泥重量的1%即可。也就是1袋子水泥用1瓶防水原液。使用前先稀释成防水剂后使用。稀释方法:水50斤加1瓶(0.5kg/瓶)后简单搅拌一下,代替水搅拌水泥砂浆使用即可。水泥与砂子比例:1:.2.5(重量比)效果最佳,用1:3的比例也可以。如果直接使用防水剂(稀释液)时常用比例为:水泥:砂:防水剂=1:.2.5:0.5的比例即可。

回答2:

防水砂浆掺防水剂的掺量是由产品决定,由于防水剂的品种有很多,即使同一种防水剂他的浓度、生产技术水平不一样,掺量也不一样。所以,各厂家的产品说明上应该有配比。
如果要送检也是一样,检测单位要你给出水泥砂浆的配比、防水剂的掺量、水灰比,才能做试验。没有规范规定掺量,但掺入防水剂后的防水砂浆性能是按JC 474(2008)《 砂浆、混凝土防水剂》要求检测。

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