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Open AccessCharacteristics of surrounding rock damage and control technology of a facing-mining excavating roadway in north Shaanxi mining area
In a coal mine in the northern region of Shaanxi Province, China, a facing-mining excavating roadway exists, which is intended to be retained for subsequent working face safety services. This paper investigate...
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Open AccessEvolutionary law and regulatory technology of roof migration on gob-side entry retaining
In order to study the evolutionary law of roof migration on Gob-Side Entry Retaining, this paper takes the gob-side entry retaining in the comprehensive mining face of the Ningtiaota coal mine as the engineeri...
