水砂充填是充填采矿法的一种，就是利用水力将砂子，碎石或炉渣等充填材料输送到井下，用来支撑围岩，防治或减少围岩垮落和变形。水砂充填采煤法必须有建立水力充填系统，由充填材料的开采，加工及选运系统，贮砂及水砂混合系统，输砂管路系统，供水及废水处理系统等。
... blowing sand filling 吹砂填筑 hydraulic sand filling 水砂充填 secondary sand filling technology 二次充填补砂 ...
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砂浆制备与管道输送是水砂充填的重要工艺环节。
Mortar preparation and pipeline transport are important technological link of hydraulic filling.
上向进路水砂充填采矿法是武山铜矿主要的采矿方法之一。
Upwards drift hydraulic fill mining is one of the main mining methods used in Wushan Copper Mine.
武山铜矿南矿带采用上向水平分层进路水砂充填法回采，采场多次发生冒顶、片帮。
The South ore-bearing zone of Wushan copper mine is mined with ascending horizontal slicing hydraulic fill crosscut mining system. Roof falling and rib spalling occurred in any times.
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