Model Experimental Study on Stress Transfer and Redistribution in a Clay Landslide under Surcharge Load

Table 4

Reliability verification of measured stresses in the free zone.

Stress type	No. of EPCs	W statistic	value	Accept/reject (A/R) W test	Std. dev.	Minimum	Mean	Maximum	Fitting precision
Vertical	2-5	0.9194	0.3140	A	0.066	8.90	8.98	9.08	0.9965
	3-5	0.9272	0.3831	A	0.315	12.07	12.39	12.89	0.9969
	4-3	0.9262	0.3736	A	0.418	19.32	19.74	20.39	0.9979
	4-4	0.9274	0.3848	A	0.712	13.42	14.14	15.25	0.9976
	5-2	0.9279	0.3898	A	0.563	20.45	21.02	21.90	0.9977
Horizontal	2-5	0.9275	0.3861	A	0.490	2.54	3.04	3.81	0.9978
	3-5	0.9272	0.3831	A	0.451	3.09	3.55	4.25	0.9981
	4-3	0.9269	0.3804	A	0.659	6.49	7.16	8.18	0.9985
	4-4	0.9269	0.3801	A	0.437	4.47	4.91	5.59	0.9980
	5-2	0.9273	0.3840	A	0.490	8.66	9.16	9.92	0.9981