STUDY ON THE APPLICATION OF DRUM TYPE SECTION AND DIFFERENTIAL ANCHOR IN THE SUPPORT OF LARGE SPAN CRUSHING ROADWAY
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Abstract
Modern coal mines pay more and more attention to the safety and economic benefits.The paper proposes a new roadway section type-drum type section and anchor form-differential anchor,both of which are especially suitable for soft crushing roadway and large span roadway.It offers a new theory and means for anchor supporting of coal roadway.
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