湖南沅水托口水电站大坝安全监测系统施工工程蓄水验收自检报告(工程施工部分)目录1工程概述..................................................11.1枢纽工程...............................................................................................12安全监测布置..............................................12.1主要监测项目.......................................................................................12.2东游祠主坝监测布置...........................................................................22.3王麻溪副坝监测设计...........................................................................53监测施工与质量管理........................................93.1施工组织机构.......................................................................................93.2施工管理方案.....................................................................................123.3质量保证体系.....................................................................................143.4施工质量控制.....................................................................................164监测仪器设备埋设安装工艺.................................184.1外观变形监测仪器埋设及安装.........................................................184.2内观及渗流监测仪器埋设安装.........................................................214.3变形监测控制网点选埋.....................................................................304.4电缆敷设.............................................................................................315工程形象进度.............................................325.1监测项目实施进度.............................................................................325.2主、副坝监测仪器埋设统计.............................................................345.3河湾地块地下水位孔施工统计.........................................................595.4仪器完好率及损坏统计.....................................................................605.5已完成土建工程量统计.....................................................................625.6监测系统施工剩余工程进度计划.....................................................636工程施工总结.............................................646.1东游祠主坝施工总结.........................................................................646.2王麻溪副坝施工总结.........................................................................656.3河湾地块防渗施工总结.....................................................................651工程概述1.1枢纽工程1.1.1工程概况托口水电站坝址位于湖南省洪江市境内,距怀化市74km,上距托口镇3.5km,下距江市镇11km。工程以发电为主,兼有防洪、航运等综合效益。水库正常蓄水位250.00m,死水位235.00m,正常蓄水时库容12.49亿m3,校核洪水位252.43m,总库容13.84亿立方米,电站总装机容量830MW(其中生态放水小机组15×2MW),多年平均发电量21.31亿kw·h,最大坝高82m。工程等级为一等大(1)型。1.1.2枢纽布置枢纽建筑物由东游祠主坝、王麻溪副坝、白土冲副坝及河湾地块防渗工程等四大部分组成。由于托口水电站特殊的地形条件,枢纽建筑物采用分散式布置即挡水、泄洪建筑物和引水发电系统、厂房、通航建筑物等分开布置,东游祠至王麻溪之间的河湾地块进行防渗处理。东游祠主坝由左岸碾压混凝土重力坝、河床混凝土溢流坝、右岸粘土心墙堆石坝等建筑物组成,坝顶总长度648.5m,坝顶高程253.0m,最大坝高82m;王麻溪副坝由汇融溪至王麻溪引水渠明渠、坝式进水口、坝后发电厂房、左岸垂直升船机、左右岸重力坝等建筑物组成,坝顶总...