大坝与安全
大壩與安全
대패여안전
Dam & Safety
2015年
4期
57-61
,共5页
肖维宝%赵磊%朱庆龙%张建伟%李涛
肖維寶%趙磊%硃慶龍%張建偉%李濤
초유보%조뢰%주경룡%장건위%리도
水下检查%墨汁示踪法%临时封堵%点线结合%塑性处理%水下破损修复
水下檢查%墨汁示蹤法%臨時封堵%點線結閤%塑性處理%水下破損脩複
수하검사%묵즙시종법%림시봉도%점선결합%소성처리%수하파손수복
underwater inspection%ink tracer method%temporary plugging%combination of point and line%plastic treatment%underwater repairment
西龙池电站下水库自2008年开始蓄水后便发现存在渗漏量较大的问题.水库长期如此运行不仅会直接影响电站的综合效率及经济效益,更重要的是若渗漏问题长期不能解决会威胁大坝和人工库盆的安全.2012~2013年,利用墨汁示踪法对水库进行了水下检查和临时封堵,并锁定了主要渗漏源.2014年采用点、线结合的方式,对下水库进出水口区域及面板局部结构缝、裂缝进行了水下塑性处理,并对破损部位进行了水下修复,渗漏量显著减少,排除了电站下水库运行存在的安全隐患,取得了巨大的成功.
西龍池電站下水庫自2008年開始蓄水後便髮現存在滲漏量較大的問題.水庫長期如此運行不僅會直接影響電站的綜閤效率及經濟效益,更重要的是若滲漏問題長期不能解決會威脅大壩和人工庫盆的安全.2012~2013年,利用墨汁示蹤法對水庫進行瞭水下檢查和臨時封堵,併鎖定瞭主要滲漏源.2014年採用點、線結閤的方式,對下水庫進齣水口區域及麵闆跼部結構縫、裂縫進行瞭水下塑性處理,併對破損部位進行瞭水下脩複,滲漏量顯著減少,排除瞭電站下水庫運行存在的安全隱患,取得瞭巨大的成功.
서룡지전참하수고자2008년개시축수후편발현존재삼루량교대적문제.수고장기여차운행불부회직접영향전참적종합효솔급경제효익,경중요적시약삼루문제장기불능해결회위협대패화인공고분적안전.2012~2013년,이용묵즙시종법대수고진행료수하검사화림시봉도,병쇄정료주요삼루원.2014년채용점、선결합적방식,대하수고진출수구구역급면판국부결구봉、렬봉진행료수하소성처리,병대파손부위진행료수하수복,삼루량현저감소,배제료전참하수고운행존재적안전은환,취득료거대적성공.
Large leakage was found at lower reservoir of Xilongchi power station since first storage in 2008. Long term operation of the reservoir under this condition would directly affect the comprehensive efficiency and economic benefits of the power station. More importantly, it would threaten the safety of the dam and the reservoir if the leakage problem couldn't be solved in a long time. Underwater leakage inspection based on ink tracer method and temporary plugging were done in 2012~2013, and main sources of leakage were identified. In 2014, underwater plastic treatment was taken at structural joints and cracks in inlet/outlet region and the face of lower reservoir. And underwater repairment was taken at damaged area. After treatment, the leakage was significantly reduced, and the safety hazard of lower res-ervoir was eliminated.