内容简介
GB/T 51403-2021生活垃圾卫生填埋场防渗系统工程技术标准
Technical standard for liner system of municipal solid waste sanitary landfill
2021-04-09 发布
2021-10-01 实施
前 言
根据住房和城乡建设部《关于印发〈2011年工程建设标准规范制订、修订计划的通知》（建标【2011】17号）的要求，标准编制组经广泛调查研究，认真总结实践经验，参考有关国际标准和国外先进标准，并在广泛征求意见的基础上，编制了本标准。
本标准的主要技术内容是∶1 总则;2 术语;3 防渗系统工程材料;4 防渗系统设计;5防渗系统工程施工质量控制及验收;6防渗系统工程维护。
目 次
1 总则 ·······························································…… 1
2 术语 ·······························································…… 2
3 防渗系统工程材料·······························..............……4
3.1 一般规定 ······················································…… 4
3.2高密度聚乙烯土工膜·······································...…… 4
3.3 膨润土防水毯 ················································…… 5
3.4 土工布和土工滤网 ··········································…… 6
3.5 土工排水网 ········································。··········…… 6
3.6高密度聚乙烯管材 ···································.......…… 6
4 防渗系统设计 ··············································.....…… 8
4.1 一般规定 ······················································…… 8
4.2 防渗系统 ······················································…… 8
4.3 基础层 ························································…… ‘9
4.4 防渗层 ······················································… … 10
4.5 渗沥液收集导排系统 ·······································…… n
4.6 地下水收集导排系统 ·······································…… 12
4.7渗沥液调节池防渗 ··········································…… 13
5 防渗系统工程施工质量控制及验收························…… 14
5.1 一般规定 ···················································…… 14
5.2 基础层施工 ···················································…… 14
5.3压实戮土防渗层施工 ·······································…… 15
5.4 高密度聚乙烯土工膜铺设 ·································…… 15
5.5 土工布铺设···················································…… 17
5.6 膨润土防水毯铺设 ··········································…… 17
5.7 土工复合排水网施工 ·······································…… 18
5.8 防渗系统工程材料连接 ····································…… 19
5.9 局部工程施工 ················································…… 20
5.10 防渗系统工程验收··········································…… 21
6 防渗系统工程维护·············································……23
附录A 高密度聚乙烯土工膜铺设施工记录 ···············…… 24
附录B 高密度聚乙烯土工膜试样焊接记录 ···············…… 25
附录C 气压、真空和破坏性检测及电火花测试方法 ···…… 28
附录D 高密度聚乙烯土工膜施工工序质量检查评定 ···…… 30
本标准用词说明···················································……31
引用标准名录 ······················································……32
附:条文说明 ······················································…… 33