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A platform for research: civil engineering, architecture and urbanism
Construction of multi-layer geosynthetic containment systems to mitigate groundwater contamination
This paper presents the construction of multi-layer geosynthetic containment systems as part of improvements to a stormwater management system to mitigate groundwater contamination at a coal combustion residual landfill in southeastern USA. The improvements consisted of lining the perimeter ditch and sedimentation pond to contain ash sediments and minimize infiltration into the groundwater. A composite liner comprised of HydroTurf synthetic turf system (i.e., a 1.5-mm thick high-density polyethylene (HDPE) textured geomembrane overlain by a synthetic turf that is covered with an infill/ballast material) underlain by a geosynthetic clay liner (GCL) was selected for the perimeter ditch. For the sedimentation pond, a 150-mm thick reinforced concrete layer underlain by a 1.5-mm thick HDPE textured geomembrane-GCL composite liner was selected to facilitate cleaning of the pond. The selection, construction, and lessons learned of the multi-layer geosynthetic containment systems are discussed.
Construction of multi-layer geosynthetic containment systems to mitigate groundwater contamination
This paper presents the construction of multi-layer geosynthetic containment systems as part of improvements to a stormwater management system to mitigate groundwater contamination at a coal combustion residual landfill in southeastern USA. The improvements consisted of lining the perimeter ditch and sedimentation pond to contain ash sediments and minimize infiltration into the groundwater. A composite liner comprised of HydroTurf synthetic turf system (i.e., a 1.5-mm thick high-density polyethylene (HDPE) textured geomembrane overlain by a synthetic turf that is covered with an infill/ballast material) underlain by a geosynthetic clay liner (GCL) was selected for the perimeter ditch. For the sedimentation pond, a 150-mm thick reinforced concrete layer underlain by a 1.5-mm thick HDPE textured geomembrane-GCL composite liner was selected to facilitate cleaning of the pond. The selection, construction, and lessons learned of the multi-layer geosynthetic containment systems are discussed.
Construction of multi-layer geosynthetic containment systems to mitigate groundwater contamination
Tweneboah Kwasi Badu (author) / Mijares Ramil G. (author) / Esin Kerem (author)
2023
Article (Journal)
Electronic Resource
Unknown
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