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以福建省周宁县后垄溪二级水电站为例,阐述其引水隧洞的水文工程地质条件、施工条件和设计施工方案选取,并对施工过程中遭遇汛期时的度汛措施进行分析,结果表明,通过因地制宜的设计施工方案以及合理的度汛措施选取,使引水隧洞能够长期保证稳定运营,可为类似引水隧洞工程提供一定参考和借鉴。
Taking Houhouxi No.2 hydropower station in Zhouning County of Fujian Province as an example, the hydrogeological conditions, construction conditions and selection of design and construction scheme of diversion tunnel are expounded. The measures of flood during flood season in construction process are analyzed. The results show that, Through the design and construction according to local conditions and reasonable degree of flood measures to make diversion tunnel to ensure long-term stable operation, for similar diversion tunnel project to provide some reference and reference.