Patent ID: 9192970
Filing Date: 2015-11-24
Classification: B09C,E02D

Abstract:
1. A banking structure using a rock producing acid drainage, the banking structure comprising: a banking layer comprising the rock having acid drainage production possibility and an inhibitor for reducing acid drainage production potential of the rock; a capillary breaker layer stacked between a lower portion of the banking layer and an underground water level surface to prevent underground water from being introduced into the banking layer by a capillary phenomenon; a finishing layer stacked on an upper portion of the banking layer; and a cover layer containing a neutralizing agent and formed on a side surface of the banking layer to neutralize the acid drainage produced from the banking layer; wherein the cover layer further comprises an organic matter, and the neutralizing agent and the organic matter are mixed in a range of about 3% by weight to about 15% by weight with respect to the whole cover layer.