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san qiao pai sr fang shui tu liao de ying yong
Author(s): 
Pages: 28-29
Year: Issue:  5
Journal: Construction Technology

Keyword:  防水涂料防水层施工毛细孔微膨胀水泥收缩裂缝屋面油毡防水剂混凝土油毡屋面渗漏现象;
Abstract: <正> 建筑屋面油毡防水存在流淌、起鼓、开裂、老化以至渗漏现象。漏水的主要原因是砂浆、混凝土的开裂,以及水泥的毛细孔吸水。针对前者,出现了微膨胀水泥屋面,用消除水泥的收缩裂缝达到防水目的。针对后者,出现了用添加防水剂的办法将水泥毛细孔吸水减到最低限度的防水层。随着化学工
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