Geosynthetic clay liners (GCLs) are high performance needle punched environmental reinforced composites which combine two durable geotextile outer layers with a uniform core of natural sodium bentonite clay to form a hydraulic barrier. Fibers from the nonwoven geotextile are needle punched through the layer of bentonite and incorporated into the other geotextile (either a woven or nonwoven).when hydrated under a confining load, the bentonite swells to form a low permeability clay layer with the equivalent hydraulic protection of several feet of compacted clay.
Technical Data:
|
No
|
Item
|
Index
|
|
1
|
Width
|
5.6m
|
|
2
|
Length
|
30m
|
|
3
|
Weight per unit
|
≥ 5000g/m²
|
|
4
|
Weight of Bentonite per unit |
≥ 4500g/ m²
|
|
5
|
Permeability Coefficient
|
≤ 5×e-11m/sec
|
|
6
|
Swell Index
|
≥ 24ml/2g
|