Geofluids / 2019 / Article / Tab 3

Research Article

Experimental Study on the Effect of Gas Pressure on Ultrasonic Velocity and Anisotropy of Anthracite

Table 3

Test results of P- and S-wave ultrasonic velocities of the coal samples under different gas pressures.

(MPa) (m/s) (m/s)

-0.1179317331677982926871
0.2173316731650959911863
0.4170616531635951905858
0.6169116441627947901851
0.8168316351614943897847
1.0167516291607937893845
1.2166416211600933889841
1.4165216131596927886841

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