Experimental Investigation of Volume Change and Hydraulic Conductivity on Geosynthetic Clay Liner

  • Guangwei ZhangEmail author
  • Hhuyuan Zhang
  • Jinwen Liu
  • Lang Zhou
  • Ming Yan
  • Jinfang Wang
Conference paper
Part of the Environmental Science and Engineering book series (ESE)


The objective of this paper is to evaluate the hydraulic conductivity of a commercially-available geosynthetic clay liner (GCL) by Flexible-wall permeameter. The GCLs are produced by the same factory, but the content of bentonite is different. And hydraulic conductivity (HC) tests are performed on GCL specimens with different HC results (i.e., 10−9 cm/s and 10−6 cm/s). After 18 days, specimens were complete saturated under backpressure 20 kPa. The results of these tests indicate that there is a decrease in hydraulic conductivity of the GCL may be expected due to the consolidation of GCL. Measured hydraulic conductivities of GCL specimens with high HC permeated with distilled water under 20 kPa stress conditions that there is a slightly decrease and the HC keep in one order of magnitude, whereas measured hydraulic conductivities of low HC GCL specimens tested under similar conditions the HC keep in one order of magnitude. The test results show that similar hydraulic conductivity values are obtained for GCL specimens after complete saturated. In addition, the flow rate decreases with the time of test. The research findings may be of interest to researchers and engineers who design liners for landfills and other liquid containment facilities.


Landfills Geosynthetic clay liner Hydraulic conductivity Volume change Consolidation 



The research was supported by the Key Laboratory of Mechanics on Disaster and Environment in Western China, Ministry of Education, (Lanzhou University), China (No.201603), the Doctoral Program of Higher Education of China (grant no. 20110211110025, 20120211120008) and the Gansu Province Science Foundation for Youths (No.1208RJYA040). Sincere thanks to the reviewers for their time and courtesy, for assisting the authors to maintain the quality of the paper.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Guangwei Zhang
    • 1
    • 2
    Email author
  • Hhuyuan Zhang
    • 1
  • Jinwen Liu
    • 1
    • 3
  • Lang Zhou
    • 1
  • Ming Yan
    • 1
  • Jinfang Wang
    • 4
  1. 1.Key Laboratory of Mechanics on Disaster and Environment in Western ChinaLanzhou University, Ministry of EducationLanzhouChina
  2. 2.PetroChina Research Institute of Exploration & Development-NorthwestLanzhouChina
  3. 3.Geo-Environment Monitoring Institute of Gansu ProvinceLanzhouChina
  4. 4.School of Resource and Environmental ScienceLanzhou UniversityLanzhouChina

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