Advances in Civil Engineering / 2018 / Article / Tab 2

Research Article

Study of Post-Peak Strain Softening Mechanical Behaviour of Rock Material Based on Hoek–Brown Criterion

Table 2

Rock strength parameters at the peak position and at the starting residual stage.

Confining pressure (MPa)At the peakAt the starting point of the residual stage
(10−3) (10−3)

25.51.990.466.30.290.0148.00
56.51.650.508.00.490.0413.09
87.71.420.939.00.980.334.06
128.81.090.9910.00.700.382.87
1812.30.771.2513.00.480.47

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