Geomechanical fluid-solid coupling testing device for water inrush from coal mine collapse column
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United States of America Patent
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Feb 20, 2018
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app pub date -
Jul 17, 2015
filing date -
Jul 18, 2014
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Abstract
A geomechanical fluid-solid coupling testing device for water inrush from coal mine collapse column, which has a testing bed and a collapse column simulating device, wherein the testing bed has a box type structure with an opening at its top and is provided therein with multiple layers of similar materials in which a tunnel or a mining face can be dug out; and the collapse column simulating device comprises a plexiglass barrel with openings at both its top and bottom, the plexiglass barrel is provided at its top opening with a plexiglass lifting device and a hard plastic baffle, and the plexiglass lifting device is provided with a lifting level which is connected with a lifting rope.
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