Correlation Research of TBM Tunnel Rock Mechanical Characteristics, Chiseling Specific Energy, and Abrasion Performance: Case Study of Jiaozhou Bay Subsea Tunnel in Qingdao

Table 2

Granite mechanical test data.

Sampling range	Lithology	Number of samples	Uniaxial compressive strength	Longitudinal wave speed	Softening coefficient	Elastic modulus	Poisson ratio	Integrity coefficient	Abrasion performance
			(MPa)	(m/s)		(GPa)			(1/10 mm)
ZK3+306.1	Granite	15	122.3	5070	0.762	49.51	0.135	0.66	5.18
ZK3+135.87		15	123.6	5028	0.763	56.8	0.142	0.87	5.14
ZK2+716.52		15	127.9	4981	0.76	58.5	0.197	0.86	5.01