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作 者:何顺辉 张健 谢世平 郑勇亚 He Shunhui;Zhang Jian;Xie Shiping;Zheng Yongya(Tianjin Zhonglian Gelin Science and Technology Development Co.,Ltd.,Tianjin 301617,China)
机构地区:[1]天津中联格林科技发展有限公司,天津301617
出 处:《岩土工程技术》2024年第2期246-252,共7页Geotechnical Engineering Technique
基 金:国家重点研发计划(2019YFC1805004)。
摘 要:为满足环保领域高防渗要求,复合竖向阻隔屏障技术得到了广泛应用。复合竖向阻隔技术是通过引入高性能防渗土工合成材料,与墙体回填材料,如土–膨润土、水泥–膨润土、土–水泥–膨润土等,组成复合防渗结构,以解决单层结构竖向阻隔屏障防渗等级不能满足环保要求的问题。HDPE土工膜竖向阻隔屏障和GCL竖向阻隔屏障是当前复合竖向阻隔屏障技术中的代表性技术,介绍两种复合竖向阻隔屏障技术的基本情况、土工材料连接和技术应用,为技术的选用提供参考。Currently composite vertical barrier systems are mainly inclusive of HDPE cut-off wall and GCL vertical barriers,both of which are made of wall-backfilled materials,such as soil-bentonite,cement-bentonite or soil-cement-bentonite,etc.,and introduced high-performance geosynthetic lining materials.They are made and applied to better address the percolation issues with single structural cut-off walls that usually cannot meet the environmental protection requirement.The basic information of two kinds of composite vertical barrier systems as well as geosynthetic panel connections and their field applications are presented,which could provide references for project selection.
分 类 号:TU592[建筑科学—建筑技术科学]
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