Leakage Performance of the GM + CCL Liner System for the MSW Landfill

Table 6

Leakage characteristics of the liner systems.

Parameters	Value	Top concentration 𝐶/𝐶0		Bottom concentration 𝐶/𝐶0		Critical time; (year)
		Year 10	Year 100	Year 10	Year 100
Hydraulic head; (m)	0.3	3.06×10^−2	4.11×10^−7	1.03×10^−1	1.55×10^−2	79.1
	1.0	9.51×10^−2	2.52×10^−6	2.87×10^−1	5.28×10^−2	45.3
	5.0	4.66×10^−1	7.81×10^−5	8.99×10^−1	4.59×10^−1	21.0
	10.0	8.13×10^−1	1.05×10^−3	9.99×10^−1	9.58×10^−1	11.4
The thickness of GM; (mm)	1.0	3.50×10^−2	1.11×10^−1	8.85×10^−7	1.70×10^−2	75.3
	1.5	3.06×10^−2	1.03×10^−1	4.11×10^−7	1.55×10^−2	79.1
	2.0	2.77×10^−2	9.95×10^−2	1.81×10^−7	1.48×10^−2	81.1
	2.5	2.48×10^−2	9.81×10^−2	7.55×10^−8	1.44×10^−2	82.6
The defects of GM; (holes/ha)	2	1.06×10^−2	3.65×10^−2	1.15×10^−7	5.09×10^−3	153.0
	20	3.06×10^−2	1.03×10^−1	4.11×10^−7	1.55×10^−2	79.1
	200	2.84×10^−1	6.86×10^−1	2.17×10^−5	2.15×10^−1	27.3
The thickness of CCL; (m)	0.5	3.11×10^−2	1.04×10^−1	7.57×10^−5	3.30×10^−2	44.3
	1.0	3.04×10^−2	1.02×10^−1	4.79×10^−10	6.47×10^−3	120.4
	2.0	3.00×10^−2	1.01×10^−1	3.91×10^−18	5.31×10^−5	905.2
	5.0	2.99×10^−2	1.00×10^−1	9.88×10^−26	4.37×10^−8	>1000
The coefficient of conductivity; (m/s)	1×10^−8	1.48×10^−1	4.18×10^−1	1.90×10^−5	1.03×10^−1	33.0
	1×10^−9	3.06×10^−2	1.03×10^−1	4.11×10^−7	1.55×10^−2	79.1
	1×10^−10	1.35×10^−2	4.66×10^−2	2.25×10^−8	5.08×10^−3	146.7