Coal and gas outburst simulation test method
A gas outburst and simulation test technology, applied in the test field of endogenous gas simulation outburst, can solve the problems such as complex mechanism of coal and gas outburst, stuck in qualitative analysis, and unclear understanding of outburst mechanism
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[0012] Concrete research method of the present invention comprises the following steps:
[0013] A. Outburst coal inoculation simulation test: Prepare a test coal sample with a primary structure, and after vacuum degassing for 48 hours, carry out temperature (20-390°C), pressure (confining pressure 20-220MPa), time ( 1h~120d), moisture (water content percentage) and other single parameters and multi-parameter coupling outstanding potential breeding evolution simulation experiments.
[0014] Outburst power display simulation test: After the temperature of the outburst coal body formed under high temperature conditions drops to room temperature, the overhang is suddenly and quickly opened to simulate the power display process. Using the outburst coal bodies with different outburst potentials formed under different temperature, pressure and time conditions to simulate on-site outburst, use high-speed cameras to record the entire dynamic display process, monitor and collect acoust...
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