目前,在高层建筑基础筏板之下,混凝土垫层及砂浆找平层之上均有不同材质的防水卷材,在防水卷材施工完成后,按地下防水工程质量验收规范要求,距筏板边防水卷材都甩出250~500mm以上。一般在地基与基础验收后,再进行地下室外墙立面的 At present, under the high-rise building foundation raft, the concrete cushion and mortar leveling layer are made of waterproof material of different materials, waterproofing membrane construction is completed, according to underground waterproofing project quality acceptance requirements, from the raft edge Waterproof membrane are thrown 250 ~ 500mm above. Generally in the foundations and foundations, and then proceed to the basement facade