为什么农村盖房师傅要在水泥里加“洗衣粉”?

2025-04-04 15:33:39
推荐回答(1个)
回答1:

听说在农村自建房要在水泥砂浆里加洗衣粉,对这个问题,听说过的很多人都感觉到非常奇怪:为什么要在水泥里面掺洗衣粉?

洗衣粉的作用相当于砂浆王,起到了增加砂浆和易性的作用,由于近两年材料价格一路飙升,石灰也在涨价,所以选择了用相对较便宜的洗衣粉来代替了砂浆微沫剂也就是常说的“砂浆王”,洗衣粉遇水产生了大量气泡,增加了水泥砂浆的稠度和粘性,同时使得水泥凝固时间变长,工人们可以一次性和多一点的水泥,并且增加滑度后水泥刷起来会变得很省力气,施工方便了许多。

而且这样还可以偷工减料。现在在农村建房都是半包,为了赶时间因为洗衣粉是,算是一种偷工减料的行为。属于碱性,只要加在水泥里面,会起反作用,这样水泥不会沉淀,在施工的过程中,不用老搅拌,施工起来更加的轻松。

不过加入洗衣服也利于粉刷。水泥掺杂洗衣粉遇水会起泡沫作用,使水泥轻质化,同样也会让水泥产生更强的碱性,更利于粉刷,只是为了应付施工,这样操作简单,一抹就上去了,不用费多大力气。

那么在水泥里加“洗衣粉”有坏处吗?市面上的洗衣粉基本上都是碱性的,如果说在搅拌的时候水泥浆中加入了洗衣粉的话,将水泥粉刷在墙上,粉刷层就会变成是碱性的,而一般装修的时候要求水泥需要是中性水泥,如果遇到潮湿的天气,墙面会起碱,也就是平日里面所说的墙面出霜,而且用加了洗衣粉的水泥刷成的墙面,遇到了水的话,水泥硬化会加快,水泥混合物之间的空隙也会增大,最终的话会导致墙体的开裂和出现缝隙等情况,而且间隙水泥还会腐蚀房屋建筑里面的钢筋,会造成混凝土的膨胀开裂,严重的话,对住户的安全隐患非常的大。

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