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

Table 1

Basic property of tested soil and specimens.

Test specimen	(mm)	Initial dry density (g/cm^3)	Grain groups content (%)
			100∼60	60∼40	40∼20	20∼10	10∼5	<5
Original GSD	100	—	21.87	12.25	16.51	12.76	8.14	28.46
S1	60	2.05	—	15.68	21.13	16.33	10.42	36.43
S2	40	2.03	—	—	25.06	19.39	12.36	43.20
S3	20	1.96	—	—	—	25.85	16.49	57.66
S4	10	1.90	—	—	—	—	22.23	77.74
R1	60	2.01	—	17.64	23.79	18.38	11.73	28.46
R2	40	2.01	—	—	31.58	24.39	15.56	28.46
R3	20	1.94	—	—	—	43.68	27.86	28.46
R4	10	1.91	—	—	—	—	71.54	28.46
P1	60	2.01	—	18.30	21.00	14.20	12.30	34.20
P2	40	1.95	—	—	27.60	18.90	13.70	39.80
P3	20	1.89	—	—	—	27.60	18.50	53.90
P4	10	1.82	—	—	—	—	27.60	72.40

Note. Original GSD represents the GSD of the soil in situ.