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    地面找平后为何起灰?如何防止?
    来源:http://www.jndmzp.com   时间:2018-5-18 17:17:40
    1、水灰比过大:找平的时候,工人在调配水泥的时候,水和灰的比例过大,原则上,石灰与水的比例在4:1,如果用水过多的话,不仅降低了水泥地面面层的强度,而且还会造成砂浆泌水,进一步降低了水泥表面的强度,因此,就会出现水泥地面起灰的现象。

    1, water cement ratio is too large: when the leveling, the workers in the deployment of cement, the proportion of water and ash is too large, in principle, the proportion of lime and water in 4:1, if too much water, not only reduce the strength of the surface layer of cement, but also cause the mortar to secrete water, and further reduce the strength of the cement surface, therefore, There will be a phenomenon of ash on the cement ground.

    济南地面找平

    2、水泥质量太差:地面找平的时候,用的水泥的质量,标号,沙子的颗粒太细了,面层的水分保养不够等原因。
    2, the cement quality is too bad: when the ground leveling, the quality of cement, label, sand particles are too thin, and the moisture maintenance of the surface layer is not enough.
    如何防止找平后起灰?
    How to prevent the leveling back ash?
    1、严格控制水灰比:一定要控制水和石灰的比重在1:4。
    1, strictly control the water cement ratio: we must control the specific gravity of water and lime at 1:4.
    2、挑选合格的材料:尽可能使用普通硅酸盐水泥,禁止使用过期水泥和受潮水泥, 地面面层砂浆不要用细砂。
    2, select qualified materials: use ordinary portland cement as much as possible, prohibit the use of expired cement and damp cement, and do not use fine sand on floor surface mortar.
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