Experimental Study on the Triaxial Compression Properties of Coarse-Grained Filling Soil under Drying–Wetting Cycles

Table 2

Initial tangent modulus and peak point secant modulus.

Sample	Initial tangent modulus (MPa)				Peak point secant modulus (MPa)
	Confining pressure (MPa)				Confining pressure (MPa)
	0.1	0.2	0.3	0.4	0.1	0.2	0.3	0.4
	29	35	45	50	18	16	13	15
	25	35	44	45	14	12	14	15
	23	29	33	44	12	12	12	13
	18	15	25	36	12	12	11	9
	14	27	29	31	9	11	9	8
	14	27	29	31	9	11	8	8
	14	27	29	31	8	10	8	8
	14	27	29	31	7	9	8	8