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一、前言安徽省铜官山铜矿选矿厂铜浮车间东头内侧大型钢筋混凝土挡墙(简称1号墙)和脱泥浮选车间内侧日伪修建的钢筋混凝土挡墙(简称2号墙)是分别确保该选厂破碎工段、机修间及3000吨矿仓地基稳定性、建筑物基础牢固性的两处关键支挡结构。长期以来,由于对地下酸性水和地表酸性工业用水管理不善的影响,使这两处挡墙遭受严重破坏,1号墙平面位移42毫米,墙顶整体向外倾斜
I. INTRODUCTION Reinforced Concrete Retaining Wall (referred to as No. 2 Wall) built on the inside of large-scale reinforced concrete retaining wall (referred to as No. 1 wall) in the east head of the copper floatation plant of the Tongguanshan Copper Mine Concentrator in Anhui Province and the inside of the demineralization flotation plant. It is the two key support structures that ensure the foundation stability and solidity of the foundation of the crushing section, the machine repair room and the 3,000 tons of bunker respectively. For a long time, due to the poor management of underground acidic water and surface acidic industrial water, these two retaining walls suffered serious damage. The 1th wall plane displacement is 42 mm, and the wall top is inclined outward as a whole.