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    自流平开裂有哪些原因
    来源:http://www.jndmzp.com   时间:2014-11-21 17:32:43
    基层原有地面有开裂情况,而在做自流平之前没有对裂缝进行修补,自流平也会在原裂缝的上面出现裂纹。
    Original ground cracking conditions at the grass-roots level, and before making a self-leveling not to repair cracks, self-leveling will be in the original cracks appear above. 
    自流平施工的温度、施工厚度、操作时间、工人熟练度、错误的工具,也是导致自流平开裂的部分原因。
    Self-leveling construction temperature, thickness, operating time, workers' proficiency, the wrong tool, is the leading cause of self-leveling cracking part of the reason. 
    自流平施工前要涂刷界面剂,界面剂既有封闭基层空隙和润湿地面的作用,又有搭桥改善基层与自流平水泥之间的粘接性。如果施工中不涂刷界面剂,就会出现开裂的情况。建议采用与自流平厂家同一品牌的界面剂,防止因界面剂与自流平不匹配而出现开裂、起鼓现象,也可在出问题时避免厂家之间相互推卸责任。
    Self-leveling construction before besmear brushs interface agent, interface agent both the role of the closed gap and wetting the ground at the grass-roots level, and improved bypass at the grass-roots level and the adhesion between the self-leveling cement. If not besmear brushs interface agent in construction, can appear crack. Recommended with self-leveling factory the same brand of interface agent, prevent because of interface agent and self-leveling mismatch and appear crack, the drum phenomenon, can also be used in the problem to avoid mutual shirk responsibility to the products. 
    济南自流平产品是所有砂浆中配方复杂的产品,自流平关键的一个指标就是收缩率要小,收缩率控制不好,随着时间的推移会收缩或膨胀,从而导致产品开裂。市面上的很多产品这方面都做的不好,所以施工面积稍大就会出现开裂。
    Self-leveling products is the most complex products formula of all the mortar, self-leveling is one of the key indicators smaller shrinkage rate, shrinkage rate control is bad, with the passage of time will shrink or swell, causing cracking products. Many of the products on the market this doing is not good, so the larger construction crack will occur. 

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