Research Article

Critical Conditions and Energy Transfer Characteristics of the Failure Process of Coal-Rock Combination Systems in Deep Mines

Table 3

The calculation results of each research index.

No.U1 (J)U (J) (J)Average Average

A110.305371.161808.5329526.28%26%3.98%4.0%
A120.282211.095087.7244025.77%4.08%
A130.276321.083307.7008525.51%4.01%

A210.323421.150038.6428528.12%28%4.14%4.1%
A220.321461.216758.6310826.42%4.16%
A230.348931.173589.4474829.73%4.05%

A310.529881.3148811.5198840.30%40%4.94%4.9%
A320.545581.3737512.1714339.71%4.81%
A330.502401.2599311.0017839.88%4.90%

B110.545581.3148812.0654541.49%41%4.83%4.8%
B120.533801.3384311.8535039.88%4.83%
B130.541651.2991812.2067541.69%4.73%

B210.795991.7756710.8675444.83%46%8.05%8.1%
B220.814831.7379910.9931446.88%8.09%
B230.791281.7474210.7450845.28%8.08%

B311.104292.098679.6571552.62%53%12.75%12.4%
B321.1827942.1562410.1804318654.85%12.85%
B331.036252.046349.8978650.64%11.66%