Experimental System of Hydrodynamic Action of Dunhuang Mogao Grottoes under Temperature-Humidity-Mechanical (THM) Coupling

Table 3

Test results of strength softening of siltstone.

Sample name	Drying quality (g)	Water absorption time () (h)	Water quantity () (g)	Bibulous rate (%)	Uniaxial compressive strength (MPa)	Elastic modulus (GPa)
FS0	436.68	0	0	0	19.92	2.66
FS5	450.38	69.08	19.06	4.23	11.31	1.2
FS6	456.68	38.89	17.66	3.87	11.52	1.55
FS7	433.79	82.18	22.99	5.30	12.81	1.76
FS8	389.68	100.24	22.19	5.70	7.75	0.71
FS9	401.51	64.82	20.48	5.10	11.45	1.53
FS10	404.88	33.43	20.54	5.07	10.92	1.7