... collection layer Leachate collection layer Leakage collection layer Drainage layer Geosynthetic Geonet Geomat Geocomposite Radial flow Gravity flow Confined flow Unconfined flow Sump Technical Paper by J.P. Giroud and A. Zhao DESIGN OF LIQUID COLLECTION LAYERS WITH RADIAL FLOW ABSTRACT...

...J.P. Giroud; M.V. Khire; J.A. McKelvey The leakage collection layer located beneath a geomembrane liner in a landfill may not have enough flow capacity to convey the leachate migrating through a geomembrane defect without becoming filled with leachate in a certain area around the defect...