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什么原因使住宅楼地坪起砂？如何处理呢？ - 工程施工 - 项目管理 - 氿上知道
返回顶部
1、配合比不合理，水泥过少。2、温度问题，施工时温度低或水灰比过大，致使表面压光时间超过水泥的终凝时间。3、水泥选择问题，强度不够。4、砂子过细或泥土含量过大。5、过早使用。
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