响水涧抽水蓄能电站下水库大型土方工程施工技术.pdf

施工技术 2013年6月下 28 CONSTRUCTION TECHNOLOGY 第42卷第12期 D0I:10.7672/sgjs2013120028 响水涧抽水蓄能电站下水库大型土方工程施工技术* 占小星，邹颖，刘海涛 (武警水电第二总队第五支队，江苏常州213135) [摘要]安徽响水涧抽水蓄能电站下水库土方开挖工程量约916万m3 其中Q4土656万m3 通过“外防、内排、分 区、修路、防护、跟进”施工技术策略，克服了Q4土开挖和弃渣机械设备沉陷、石渣料源紧缺道路修筑难、天气影响 施工组织难、有效施工天数有限、施工强度大等难题，按期完成了库盆开挖、围堤填筑施工任务. [关键词]水库；土方工程；开挖；施工技术 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2013)12-0028-04 Construction Technology for Large Earthworks of Lower Reservoir in Xiangshuijian Pumped Storage Power Station Zhan Xiaoxing Zou Ying Liu Haitao No.5 Detachment No.2 Hydropower Force of Armed Police Changzhou Jiangsu 213135 China) Abstract:Engineering quantities for ground excavation of lower reservoir in Xiangshuijian Pumped Storage Power Station in Anhui is about 9.16 million cubic meters in which the engineering quantities of Q ground is about 6.56 million cubic meters.By adopting a series of construction technologies of outer of prevention inner of drainage etc.some problems of subsidence of machine for excavation of Q.soil difficult building road because of shortage materials difficult construction organization because of weather and short construction period are solved to done the construction of ground excavation and fulfill of dyke on schedule. Key words:reservoirs earthworks;excavation;construction 1工程概况 3.7MPa 属高压缩性土；Q4地层强度均较低，承载 响水涧抽水蓄能电站位于安徽省芜湖市三山力仅为45~60kPa. 区峨桥镇境内，电站装机容量1000MW(4x2施工特点 250MW) 采用“一洞一机”布置形式，为日调节纯抽 1)Q4土主要为淤泥质黏土夹泥炭层，其承载力 水蓄能电站.电站属大(2)型二等工程，主要建筑 较低且分布范围广，厚度变化较大，开挖施工机械 物按2级建筑物设计.工程所在地处于亚热带湿润 ...