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Experimental Investigation on Mechanical Behavior of Methane Hydrate Bearing Coal under Triaxial Compression
unpublished
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The mechanical behavior of hydrate-bearing coal has relevance for the coal and gas outburst prevention. This study reports on the results of triaxial compression tests on methane hydrate bearing coal. The results show that the stress-strain relationships depend closely on the confining pressure. The failure strength linearly varies with the saturation. The higher the hydrate saturation is, the larger the internal friction angle is. The cementation between the coal and hydrate increases
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