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现行《地下工程防水技术规范》(GB50108—2008)和10J301《地下建筑防水构造图集》中,地下室外墙外防外贴防水材料的保护层有三种做法,即砖保护墙法、软保护层法和水泥砂浆保护层法。一、砖保护墙法砖保护墙法一般是采用粘土砖或非粘土砖砌筑,厚度由设计人员确定。非粘土砖保护墙与主体结构之间宜留30~50 mm宽缝隙,并用细砂填实。
Current “underground engineering waterproofing technical specifications” (GB50108-2008) and 10J301 “underground waterproofing atlas”, the outer wall of the basement outside the anti-stick waterproof material protection layer there are three practices, namely brick protection wall method, soft protective layer Law and cement mortar protective layer method. First, the brick wall protection method Brick protection wall method is generally used clay or non-clay brick masonry, the thickness determined by the designer. Between the non-clay brick protective wall and the main structure should leave 30 ~ 50 mm wide gap, and filled with fine sand.