Research on Risk Identification of Coal and Gas Outburst Based on PSO-CSA

Table 5

Comparison of PSO-CSA identification results and actual outburst risk.

i	Δp	K1	S	Actual outburst risk	Outburst risk identified by PSO-CSA
318	15.36	0.23	3.2	General	General
329	15.76	0.16	3.0	Without	Without
331	16.32	0.28	2.9	General	General
347	16.75	0.32	2.8	General	General
355	17.34	0.22	3.6	General	General
357	17.28	0.34	3.5	General	General
371	17.89	0.43	4.0	Severe	Severe
389	16.79	0.26	3.8	General	General
390	16.56	0.34	4.2	Severe	Severe
394	15.08	0.31	3.6	General	General