Advanced Search
  • 全国中文核心期刊
  • 中国科技核心期刊
  • 美国工程索引（EI）收录期刊
  • Scopus数据库收录期刊
Volume 40 Issue 10
Turn off MathJax
Article Contents
Abstract
References
Related Articles
LI Lei, WANG Jun, HUANG Yong. Parameters of contaminant transport of compacted clay liners with fractures[J]. Chinese Journal of Geotechnical Engineering, 2018, 40(10): 1836-1842. DOI: 10.11779/CJGE201810010
Citation: LI Lei, WANG Jun, HUANG Yong. Parameters of contaminant transport of compacted clay liners with fractures[J]. Chinese Journal of Geotechnical Engineering, 2018, 40(10): 1836-1842. DOI: 10.11779/CJGE201810010
shu

Parameters of contaminant transport of compacted clay liners with fractures

  • School of Earth Sciences and Engineering, Hohai University, Nanjing 210098, China

More Information
  • Received Date: August 01, 2017
  • Published Date: October 24, 2018
    Graphical Abstract
    • Abstract
  • The service period of landfill liners is reduced because of the fractures in compacted clay liners (CCL), which shorten the breakthrough time of contaminants passing through the barrier. It is very important to predict the breakthrough time of the leachate for CCL with fractures when the parameters of contaminant transport of fractures are acquired. The experiment is carried out to obtain the coefficient of molecular diffusion and dispersion for chloridion in the fractures simulated by the sands with different porosities. The results show that the coefficient of molecular diffusion for chloridion is consistent when the chloridion passes through fractures with the width more than or equal to 15 mm and water, while the coefficient of molecular diffusion is reduced exponentially in the fractures with the width less than 15 mm. The coefficient of dispersion is approximately three orders of the magnitude more than that of molecular diffusion. Based on different hydraulic gradients, the dispersion coefficient of fractures with width more than or equal to 10 mm is essentially constant and almost equal to that acquired from the sand column experiment. While the hydraulic gradient is more than or equal to 0.2, the variation of dispersion coefficient is steady and not influenced by the width of the fractures.
    • FullText(HTML)
    • References (20)
  • [1]
    钱学德, 施建勇, 刘晓东. 现代卫生填埋场的设计与施工[M]. 2版. 北京: 中国建筑工业出版社, 2011.
    (QIAN Xue-de, SHI Jian-yong, LIU Xiao-dong.Design and construction of modern sanitary landfills[M]. 2rd ed. Beijing: China Architecture ＆ Building Press, 2011. (in Chinese))
    [2]
    CJJ113—2007生活垃圾卫生填埋场防渗系统工程技术规范[S]. 北京: 中国建筑工业出版社, 2007. (CJJ113—2007 Technical code for liner system of municipal solid waste landfill[S]. Beijing: China Architecture ＆ Building Press, 2007. (in Chinese))
    [3]
    DANIEL D E.Predicting hydraulic conductivity of clay liners[J]. Journal of Geotechnical Engineering, ASCE, 1984, 110(4): 285-300.
    [4]
    KIM W H, DANIEL D E.Effects of freezing on hydraulic conductivity of compacted clay[J]. Journal of Geotechnical Engineering, ASCE, 1992, 118(7): 1083-1097.
    [5]
    OMIDI G H, THOMAS J C, BROWN K W.Effect of desiccation cracking on the hydraulic conductivity of a compacted clay liner[J]. Water, Air, and Soil Pollution, 1996, 89: 91-103.
    [6]
    BENSON C H, DANIEL D E.Influence of clods on hydraulic conductivity of compacted clay[J]. Journal of Geotechnical Engineering, ASCE, 1990, 116(8): 1231-1248.
    [7]
    何俊, 万娟, 王宇. 压实黏土干燥裂隙及渗透性能研究[J]. 工程地质学报, 2012, 30(3): 397-402.
    (HE Jun, WAN Juan, WANG Yu.Desiccation cracks and hydraulic performance of compacted clay liner via laboratory wet-dry cycling tests[J]. Journal of Engineering Geology, 2012, 30(3): 397-402. (in Chinese))
    [8]
    ROWE R K, QUIGLEY R M, BRACHMAN R W, et al.Barrier systems for waste disposal[M]. London: Spon Press, 2004.
    [9]
    DU Y J, SHEN S L, LIU S Y, et al.Contaminant mitigation performance of Chinese standard municipal solid waste landfill liner system[J]. Geotextiles and Geomembranes, 2009, 27(3): 232-239.
    [10]
    LEWIS T W, PIVONKA P, FITYUS S G, et al.Parametric sensitivity analysis of coupled mechanical consolidation and contaminant transport through clay barriers[J]. Computers and Geotechnics, 2009, 36(1): 31-40.
    [11]
    XIE Hai-jian, YAN Hua-xiang, FENG Shi-jin, et al.An analytical model for contaminant transport in landfill composite liners considering coupled effect of consolidation, diffusion, and degradation[J]. Environmental Science and Pollution Research, 2016, 23(19): 19362-19375.
    [12]
    谢海建, 陈云敏, 楼章华. 污染物通过有缺陷膜复合衬垫的一维运移解析解[J]. 中国科学:技术科学, 2010, 40(5): 486-495.
    (XIE Hai-jian, CHEN Yun-min, LOU Zhang-hua.An analytical solution to contaminant transport through composite liners with geomembrane defects[J]. Science China Technological Sciences, 2010, 40(5): 486-495. (in Chinese))
    [13]
    ROWE R K.Advances and remaining challenges for geosynthetics in geoenvironmental engineering applications[J]. Soils Rocks, 2007, 30(1): 3-30.
    [14]
    RAYHANI M HT, YANFUL E K, FAKHER A.Desiccation- induced cracking and its effect on the hydraulic conductivity of clayey soils from Iran[J]. Canadian Geotechnical Journal, 2007, 44(3): 276-283.
    [15]
    WILLINGHAM T W, WERTH C J, VALOCCHI A J, et al.Evaluation of multidimensional transport through a field-scale compacted soil liner[J]. Journal of Geotechnical and Geoenvironmental Engineering, 2004, 130(9): 887-895.
    [16]
    BEZZA A, GHOMARI F.Nondestructive test to track pollutant transport into landfill liners[J]. Environmental Geology, 2009, 57(2): 285-290.
    [17]
    谢海建, 詹良通, 陈云敏, 等. 我国四类衬垫系统防污性能的比较分析[J]. 土木工程学报, 2011(7): 133-141.
    (XIE Hai-jian, ZHAN Liang-tong, CHEN Yun-min, et al.Comparison of the performance of four types of liner systems in China[J]. China Civil Engineering Journal, 2011(7): 133-141. (in Chinese))
    [18]
    陈云敏. 环境土工基本理论及工程应用[J]. 岩土工程学报, 2014, 36(1): 1-46.
    (CHEN Yun-min.A fundamental theory of environmental geotechnics and its application[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(1): 1-46. (in Chinese))
    [19]
    LI Lei, CHEN Jing, HUANG Yong.Experimental investigation and numerical simulation of contaminant migration in the compacted clay containing artificial fractures[J]. Environmental Earth Eciences, 2016, 75(2): 134-144.
    [20]
    DANIEL D E.Geotechnical practice for waste disposal: clay liners[M]. London: Chapman & Hall, 1993: 137-163.
    • Related Articles

  • Related Articles

    [1]XIAO Tao, LI Ping, SHAO Sheng-jun. Microstructural evolution of compacted loess during consolidation and shearing[J]. Chinese Journal of Geotechnical Engineering, 2021, 43(S1): 99-104. DOI: 10.11779/CJGE2021S1018
    [2]YIN Da, MENG Qing-xiang, XU Jian-rong, SHI An-chi, WU Guan-ye, XU Wei-ya. Anisotropic elastoplastic constitutive model based on microstructure tensor and its engineering application[J]. Chinese Journal of Geotechnical Engineering, 2020, 42(9): 1751-1758. DOI: 10.11779/CJGE202009020
    [3]WANG Qian, WANG Ping, WANG Jun, ZHONG Xiu-mei, MA Hai-ping, FENG Min-jie. Effect of microstructure properties on of dynamic residual deformation behavior of saturated loess[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(zk2): 143-147. DOI: 10.11779/CJGE2015S2028
    [4]SONG Bing-hui, CHEN Wen-wu, WU Wei-jiang, JIANG Yao. Microstructure fractal of sliding zone soil of Suoertou landslide in Zhouqu[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 292-297.
    [5]SHI Yu-cheng, QIU Guo-rong. Constitutive relation of seismic subsidence of loess based on microstructure[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 7-11.
    [6]DENG Jin, WANG Lanmin, ZHANG Zhenzhong. Microstructure characteristics and seismic subsidence of loess[J]. Chinese Journal of Geotechnical Engineering, 2007, 29(4): 542-548.
    [7]TANG Yiqun, SHEN Feng, HU Xiangdong, ZHOU Nianqing, ZOU Changzhong, ZHU Jianhua. Study on dynamic constitutive relation and microstructure of melted dark green silty soil in Shanghai[J]. Chinese Journal of Geotechnical Engineering, 2005, 27(11): 14-17.
    [8]Hu Ruilin, C.F.Lee, Wang Sijing, Zhang Lizhong, Li Xiangquan. Approach to the strength behaviors and microstructural changes of loess under dynamic load[J]. Chinese Journal of Geotechnical Engineering, 2000, 22(2): 174-181.
    [9]Li Yueyong, Yan Shuwang, Zhang Jinyong, Yin Xiaotang. Engineering properties and microstructural features of the soda residue[J]. Chinese Journal of Geotechnical Engineering, 1999, 21(1): 103-106.
    [10]Xia Jia, Chen Xinmin, Yan Sanbao, Ruan Yongping. On Microstructural Analysis for Consolidation and Compression of Recent Flood Plain Soft Soil[J]. Chinese Journal of Geotechnical Engineering, 1997, 19(5): 69-75.
    • Supplements (0)

Catalog

    Get Citation
    PDF
    XML
    Article views (321) PDF downloads (203) Cited by()
    Related
    Copyright © 2010 Editorial By Chinese Journal of Geotechnical Engineering 苏ICP备05007122号-11公安联网备案号：32010602011255
    Editorial Office address：34 Hujuguan,Nanjing 210024,ChinaPostal Code：210024Tel：025-85829534，85829556E-mail: ge@nhri.cn

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return