Research Article

Fractal Dimension of Fracture Surface in Rock Material after High Temperature

Table 2

Rockburst tendency indexes of rock samples after different temperature.

Temperature/°C25200500

Effective burst energy index3.103.542.963.554.683.891.921.781.70
Average value3.204.041.80

Temperature/°C80010001200

Effective burst energy index2.211.992.790.320.560.650.440.681.10
Average value2.330.510.74