Evaluation of Geomembrane Effect Based on Mobilized Shear Stress due to Localized Sinking

Table 1

Parameters in the calculation process.

Parameters	Villard et al.’s balloon trapdoor test	Miao et al.’s water bag trapdoor test
δg (cm)	22.0	0.3	3.2	8.0
U0 (cm)	5.0		5.0
K1	0.00	0.96	0.60	0.0
Ks (MPa)	30		15
φ0 (°)	25		20
(°)	30		25
(°)	25		20
(kPa)	8.50		11.28