Geofluids / 2020 / Article / Tab 2

Research Article

A Study of the Solid-Liquid-Gas Three-Phase Coupling Relationship of Coal, Water and Gas

Table 2

Shear strength index under different water content conditions.

No.Water content (%)
(kPa)

(kPa)

(kPa)

(kPa)
Cohesion
(kPa)
Tan
Angle of internal friction
(°)

12.128.96315.58831.95662.3530.8810.1548.744
23.608.26216.36830.39763.1320.2510.1568.878
34.989.54816.17334.68464.1061.5760.1588.956
46.778.96316.17331.56659.2352.0250.1448.183
58.669.35318.51133.51562.1582.9140.1498.486
610.189.82116.95231.76160.2092.6650.1448.200
711.909.43117.14730.20259.6252.3600.1438.116
813.969.43115.58828.44859.6251.2340.1448.205
915.408.37915.27629.81260.7940.3850.1508.548
1016.648.18415.78327.86460.0150.3220.1478.385
1119.218.18415.58831.56660.9890.7370.1518.598
1219.018.76816.17332.15161.9631.2030.1528.660
1321.938.57416.05635.07365.8600.4780.1659.364

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