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本文主要介绍了两例防水卷材保护层细石混凝土裂缝产生的原因,主要为粗骨料含泥量变化、施工过程中加水、不合理留设分割缝。
This article mainly introduces the causes of cracking of fine concrete in two protective layers of waterproofing membrane, mainly including the change of clay content in the coarse aggregate, adding water in the process of construction, and unreasonable leaving of the split seam.