请教冷库地面防水层施工做法

求专家指点
2025-03-06 17:16:14
推荐回答(3个)
回答1:

防水层作法(基础清理修整找平后)
1、 施工操作程序: 验收基层(找平层)→清扫基层(找平层)→制备粘接胶处理复杂部位→铺贴复合卷材→检验复合卷材施工质量→保护层施工→验收。
2、 按要求配制好粘接胶置水泥粘接剂:按体积,3份水+6份425#普通硅酸盐水泥+1份107或801建筑胶,混合搅拌均匀。
3、 复合卷材施工:
复合卷材施工前必须找平层验收合格后、含水率在30~50%时即可进行防水层施工。
(1)复杂部位处理 防水层施工前,应按图纸要求做好复杂部位(阴角、阳角、冲洗管、穿墙管等)的 附加层,复杂部位的附加层用复合卷材、水泥胶或聚氨酯胶处理粘接。
(2)复合卷材铺贴 复合卷材铺贴时,先在铺贴部位将复合卷材预放3至12米找正方向后,在中间处固 定,将卷材一端卷至固定处粘贴,这端粘贴完毕后,再将预放的卷材另一端卷回至已粘贴好的位置,连续铺贴直至整幅完成。 铺贴方法:将水泥胶用毛刷涂到基层(找平层)和卷材对应的表面厚约1.0mm,然 后粘贴卷材,同时在卷材上表面用刮板将粘贴接面排气压实,排出多余部分粘接胶。 垂直面复合卷材粘贴必须纵向粘贴,自上而下对正,自下而上排气压实,要求基层 与卷材同时涂胶,厚度均约1.0mm
(3)接缝施工 接缝涂胶部位要求基层干净、干燥。屋面防水用水泥胶接缝时,接缝与卷材粘贴可 同时进行,两个粘接面同时涂胶,接缝满粘,胶层厚度为1.0-1.6mm,接缝压实后在接缝边缘再涂刷一层水泥胶,厚度为0.8-1.0mm,涂刷宽度从接缝边缘向两边延伸30mm,接缝不允许有露底、打皱、翘曲、起空现象。 用聚氨酯胶接缝时应在粘接胶固化后进行,具体操作方法: 翻起上层卷材,将胶涂在下层卷材上,涂胶应连续均匀,厚度在1.0mm左右,涂胶后粘合压实。翻起时应防止复合卷材与基层剥离。
a) 将粘接剂均匀涂刷在找平层表面,然后铺粘卷材。用橡胶刮板刮平,刮出多余空气, 及粘接剂,使其充分粘合在一起。
b) 卷材与卷材平铺,其缝口另外用500px宽的卷材和重新粘接。

回答2:

这需要看你做啥样的地面防水层了,最古老的是三油两毡,现在基本不用了;再就是SBS,用火烘烤粘在地面上,目前应用较多;还有一段时间有个JS,用107胶和水泥浆粘贴地面;最近又有一种防水材料,名字不记得了,同样是用107胶水泥浆粘贴……看你用什么样的材料吧,具体施工做法防水材料厂自然提供给你。

回答3:

如果你是问冷库地面的做法,并不是单纯的地面防水施工方法,还要区分高温库、低温库、架空地坪等,需要你提供具体的冷库性质,可以查看冷库建筑设计(注意不是制冷工艺设计)方面的书籍和规范,上面记载的很清楚。

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