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刘宁, 蒋众喜, 冷凡. 工业固废填埋场边坡防渗层环境安全分析[J]. 环境保护科学, 2016, (5): 119-123. doi: 10.16803/j.cnki.issn.1004-6216.2016.05.023
引用本文: 刘宁, 蒋众喜, 冷凡. 工业固废填埋场边坡防渗层环境安全分析[J]. 环境保护科学, 2016, (5): 119-123. doi: 10.16803/j.cnki.issn.1004-6216.2016.05.023
shu
Liu Ning, Jiang Zhongxi, Leng Fan. Environmental Safety Evaluation of Geomembrane in Industrial Solid Waste Landfill Sites[J]. Environmental Protection Science, 2016, (5): 119-123. doi: 10.16803/j.cnki.issn.1004-6216.2016.05.023
Citation: Liu Ning, Jiang Zhongxi, Leng Fan. Environmental Safety Evaluation of Geomembrane in Industrial Solid Waste Landfill Sites[J]. Environmental Protection Science, 2016, (5): 119-123. doi: 10.16803/j.cnki.issn.1004-6216.2016.05.023
shu

工业固废填埋场边坡防渗层环境安全分析

  • 1. 上海交通大学船舶海洋与建筑工程学院, 上海 200240;

  • 2. 上海交通大学深圳研究院, 广东深圳 518000

    • 作者简介: 刘宁(1977-),男,博士、高级工程师。研究方向:环境岩土。E-mail:nliush@sjtu.edu.cn
  • 基金项目:

    国家自然科学基金项目(51379122)资助

  • 中图分类号: X936

Environmental Safety Evaluation of Geomembrane in Industrial Solid Waste Landfill Sites

  • 1. School of Naval Architecture, Ocean&Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;

  • 2. School of Shenzhen Institute, Shanghai Jiao Tong University, Shenzhen 518000, China

  • Fund Project:

  • 摘要: 考虑了固废沉降的力学作用及坡角平台的影响机理,建立了尾矿渣、防渗膜及垫层相互作用的力学简化模型,应用平衡微分方程,结合边界条件,得到了防渗膜拉应力与位移的解析解及膜内最大拉力计算公式。最后,结合工程设计分析研究了重要参数对膜完整性的影响,并提出了相关解决机制。从力学机理上指导填埋场边坡防渗设计,具有很高的工程实际应用价值。
    Abstract: Excessive tensile stresses may develop in geomembrane installed on mountain slopes due to settlement and creep of industrial wastes. Therefore, a simplified mechanical model for the interaction between tailing residues, geomembrane and cushion was set up. By use of equilibrium differential equations and incorporation of the boundary conditions into the governing differential equations, analytical solutions to tensile stresses and strain as well as the computational formula for the maximal tension in geomembrane were obtained. Finally, on the basis of engineering design analysis, the influences of slope angel and interface shear strength on the tension in geomembrane were analyzed. Corresponding mechanics mechanism to solve the anti-seepage design of landfill slope was also proposed with a very high value in engineering application.
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  • 收稿日期:  2016-03-28
刘宁, 蒋众喜, 冷凡. 工业固废填埋场边坡防渗层环境安全分析[J]. 环境保护科学, 2016, (5): 119-123. doi: 10.16803/j.cnki.issn.1004-6216.2016.05.023
引用本文: 刘宁, 蒋众喜, 冷凡. 工业固废填埋场边坡防渗层环境安全分析[J]. 环境保护科学, 2016, (5): 119-123. doi: 10.16803/j.cnki.issn.1004-6216.2016.05.023
shu
Liu Ning, Jiang Zhongxi, Leng Fan. Environmental Safety Evaluation of Geomembrane in Industrial Solid Waste Landfill Sites[J]. Environmental Protection Science, 2016, (5): 119-123. doi: 10.16803/j.cnki.issn.1004-6216.2016.05.023
Citation: Liu Ning, Jiang Zhongxi, Leng Fan. Environmental Safety Evaluation of Geomembrane in Industrial Solid Waste Landfill Sites[J]. Environmental Protection Science, 2016, (5): 119-123. doi: 10.16803/j.cnki.issn.1004-6216.2016.05.023
shu

工业固废填埋场边坡防渗层环境安全分析

    作者简介: 刘宁(1977-),男,博士、高级工程师。研究方向:环境岩土。E-mail:nliush@sjtu.edu.cn
  • 1. 上海交通大学船舶海洋与建筑工程学院, 上海 200240;
  • 2. 上海交通大学深圳研究院, 广东深圳 518000
  • 收稿日期:  2016-03-28
基金项目:

国家自然科学基金项目(51379122)资助

摘要: 考虑了固废沉降的力学作用及坡角平台的影响机理,建立了尾矿渣、防渗膜及垫层相互作用的力学简化模型,应用平衡微分方程,结合边界条件,得到了防渗膜拉应力与位移的解析解及膜内最大拉力计算公式。最后,结合工程设计分析研究了重要参数对膜完整性的影响,并提出了相关解决机制。从力学机理上指导填埋场边坡防渗设计,具有很高的工程实际应用价值。

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