| 填埋场GCL/GM与保护层接触面抗剪强度研究进展 |
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| 引用本文： | 彭飞,王红雨,邢毓航,朱阶红.填埋场GCL/GM与保护层接触面抗剪强度研究进展[J].三峡大学学报(自然科学版),2012,34(3):77-79. |
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| 作者姓名： | 彭飞 王红雨 邢毓航 朱阶红 |
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| 作者单位： | 1. 宁夏大学土木与水利工程学院,银川,750021
2. 湖北省监利县柘木中学,湖北监利,433301 |
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| 基金项目： | 国家自然科学基金2010年地区科学基金，宁夏回族自治区2011年大学生创新实验资助项目 |
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| 摘 要： | 建造垃圾填埋场通常采用粘土作为防渗体或作为GCL/GM的保护层共同构成复合防渗系统,但粘土材料应用于西北干旱、半干旱、干湿冻融交替循环环境,存在抗剪强度低及料源匮乏等问题.本文综述了国内外填埋场GCL/GM与保护层接触面抗剪强度研究进展,针对西北干旱、半干旱地区填埋场防渗问题,提出了宽级配砾石土代替粘土作为GCL/GM防渗垫的保护层的新型防渗方案,并就该方案在下一步验证试验中可能遇到的一些问题进行了讨论.
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| 关 键 词： | 接触面抗剪强度 砾石土保护层 GCL/GM 填埋场 |
Research on Shearing Strength of Interface of GCL/GM and Protective Layer for Landfill |
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| Peng Fei
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Wang Hongyu
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Xing Yuhang
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Zhu jiehong.Research on Shearing Strength of Interface of GCL/GM and Protective Layer for Landfill[J].Journal of China Three Gorges University(Natural Sciences),2012,34(3):77-79. |
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| Authors: | Peng Fei Wang Hongyu Xing Yuhang Zhu jiehong |
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| Institution: | Peng Fei Wang Hongyu Xing Yuhang Zhu jiehong (1. College of Civil ＆ Water Conservancy Engineering, Ningxia Univ. , Yinchuan 750021, China;2. Zhemu Middle School,Jianli 433301, China) |
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| Abstract: | Clay is used for constituting a seepage-proof system or the protective layer of GCL/GM in landfill construction. However, this soil material, if applied in arid, semi-arid, or freeze-thaw areas in Northwestern China, it will be subjected to a weak shearing strength and a shortage of this material. The research developments on the shearing strength of the interface of GCL/GM and protective layer for landfill at home and abroad are summarized. Aiming at solving the seepage-proof problems of landfill in Northwestern China, a new scheme taking a wide size distribution of gravel soil instead of clay as the protective layer of the impermeable pad of GCL / GM is proposed; and possible problems in further verification tests are discussed. |
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| Keywords: | shearing strength of the interface protective layer of gravel soil GCL/GM landfill |
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