Practical Approach to Predicting the K₀ Behavior of In Situ Sandy Gravel

Table 2

and of the test specimens.

Preparation technique	(mm)	10	20	40	60
Scalping technique	Test specimen	S4	S3	S2	S1
		1.042	1.006	0.972	0.953
		0.312	0.304	0.296	0.291
	R^2	0.998	0.997	0.997	0.975
Replacement technique	Test specimen	R4	R3	R2	R1
		0.935	0.914	0.892	0.880
		0.311	0.297	0.284	0.277
	R^2	0.997	0.997	0.994	0.997
Parallel gradation technique	Test specimen	P4	P3	P2	P1
		0.970	0.926	0.885	0.861
		0.324	0.313	0.302	0.296
	R^2	0.999	0.996	0.997	0.995