Creep Mechanical Properties of Granite under Combined Axial Compression and Water Pressure and Support Characteristics of Surrounding Rock

Table 1

Physical parameters of granite in natural and saturated state.

Specimen number	Natural weight (g)	Specimen height (mm)	Specimen diameter (mm)	Natural specific gravity (g/cm^3)	Water saturation	Water absorption
Y-1	543.00	99.45	50.50	2.73	0.001955	—
Y-2	538.17	99.95	50.50	2.69	0.002531	—
Y-3	544.07	100.15	50.75	2.69	0.002006	—
Y-4	545.78	100.55	51.75	2.58	—	0.000789
Y-5	542.56	100.75	52.75	2.47	—	0.000683
Y-6	545.06	100.15	53.75	2.40	—	0.000588