Conference proceeding
Exposed Geomembrane/Geosynthetic Clay Liner Composites for Solid Waste Covers, Liquid Impoundment Liners, and Canal Liners
GEOENVIRONMENTAL ENGINEERING: HONORING DAVID E. DANIEL, v 2016-(274), pp 22-35
01 Jan 2016
Abstract
The use of an exposed geomembrane/geosynthetic clay liner (GM/GCL) composite is an attractive strategy for the closure of solid waste landfills as well as lining of liquid impoundments and canals. While these materials have had considerable attention in both laboratory and field evaluations, there are two issues which need additional investigation. Regarding the GCL component, avoidance of adjacent panels separating from one another is an issue. This is addressed in the paper wherein seven seaming methods have been investigated and quantified accordingly. Regarding the GM component, the issue is durability in an exposed atmosphere. This paper presents a 10-year evaluation of six different geomembranes at elevated temperatures until half-life of strength and elongation have been reached. Using these data, laboratory half-lives have been determined as well as predicted lifetimes in the field. Phoenix, Arizona was arbitrarily selected in this regard. The presented data resulting from both the GCL separation issue and the GM lifetime prediction method suggest that exposed GM/GCL composite systems can be used for at least 50-years, if not longer. To be sure there are other issues (wet/dry cycles and ion exchange for CCLs and defects and field damage for GMs) but only these two are addressed herein.
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Details
- Title
- Exposed Geomembrane/Geosynthetic Clay Liner Composites for Solid Waste Covers, Liquid Impoundment Liners, and Canal Liners
- Creators
- Robert M. Koerner - Drexel UniversityGeorge R. Koerner - Geosynthet Inst, 475 Kedron Ave, Folsom, PA 19033 USAY. (Grace) Hsuan - Drexel Univ, CAE Dept, Philadelphia, PA 19104 USA
- Contributors
- C H Benson (Editor)C D Shackelford (Editor)
- Publication Details
- GEOENVIRONMENTAL ENGINEERING: HONORING DAVID E. DANIEL, v 2016-(274), pp 22-35
- Series
- Geotechnical Special Publication
- Publisher
- Amer Soc Civil Engineers
- Number of pages
- 14
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering; [Retired Faculty]
- Web of Science ID
- WOS:000400181000002
- Scopus ID
- 2-s2.0-84988527809
- Other Identifier
- 991019170148804721
InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Web of Science research areas
- Engineering, Environmental
- Engineering, Geological