一、概述葛洲坝大江电站机组段下游副厂房布置在尾水管扩散段上方,介于主机室和下游挡水墙之间,净距17.8米。其中尾水墩以上共分三层,由支承在尾水墩上的上游片及下游片承重墙所分隔,形成机电设备布置空间并传递相应的荷重;底层高程为50.63米及中层高程 First, an overview Gezhouba Dajiang Power Plant downstream section of the deputy plant layout in the diffuser above the draft tube, between the host room and the downstream retaining wall, a clear distance of 17.8 meters. One above the tail pier is divided into three layers, supported by the upstream pier on the tail pier and downstream sheet bearing wall partition, the formation of mechanical and electrical equipment layout and transfer the corresponding load space; the bottom elevation of 50.63 meters and the middle elevation