Abstract
In lapanese waste landfill, from the view point of safety and security the geosynthetics clay liners (GCLs) are being employed as a maintenance of sealing water and protechtion of sepage water in a damaging sheet. But in the present condition, there are not any quality and standard in design and usage of GCLs. As it is not known in details regarding as kinds method of construction and characteristics of bentonite supported GCLs, we give a detailed description
A measurement of hydraulic conductivity was carried out in change of rapping width, the number of hole and hole diameter of the bentonite supported GCLs. And the consideration of quality standard are done for GCLs used in a waste landfill.
