In Situ Creep Model Testing for the Tunnel Anchor Foundation of Xingkang Suspension Bridge in Luding of China

Table 1

Physical and mechanical parameters of rock samples.

Parameter	ρn (g/cm^3)	E (GPa)	σc (MPa)	σt (MPa)	μ	C (MPa)	tanφ	W (%)
Range	2.54∼2.68	1.06∼5.39	22.4∼46.7	2.5∼3.9	0.26∼0.31	0.6∼1.2	0.71∼0.92	1.07∼1.82
Average	2.57	2.13	32.25	3.20	0.28	0.82	0.78	1.38
Standard deviation	0.06	1.84	8.96	0.58	0.02	0.23	0.09	0.31