Question

single choice

(   ) Which of the following cover design can be used in the arid regime.
A.   Capillary barrier cover consists of a fine-grained soil layer over a coarse-grained soil layer.
B.   Store and release cover with cobbles or gravels cover
C.   Final cover with surface protection soil layer
D.   All of the above
(   ) Select insrrect statement about the geosynthetic clay liner (GCL) used in the liner
system of a landfill.
A.   GCL aims to prevent the leachate discharge into the surrounding environment
B.   GCL can obtain the water from the underlying attenuation layer.
C.   The application of GCL can reduce the landfill capacity.
D.   The drying shrinkage may cause the gap between different panels of GCL.

Answer 1