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1998年,国家开始着手对国内病险水库进行了重点排查、治理,特别对建国初期兴建的一批中小型水库进行除险加固,十余年来,累计动用资金已达几百亿,进入2009年以后,国家更是斥巨资对国内病险水库进行规模式建设,对一些存在安全隐患或已失去防洪、蓄水能力的水库进行加固、扩建,使其重新发挥兴利效益。主要方式是恢复水库蓄水能力,提高防洪标准和水库工程质量。技术上主要采用了坝体加高、溢洪道改扩建、大坝防渗、外观翻修等方案。
In 1998, the state started to carry out the key investigation and treatment of the diseased reservoirs in China, especially for the reinforcement and consolidation of a number of small and medium-sized reservoirs built in the early days of the founding of the People’s Republic of China. In the past ten years, the accumulated funds used reached tens of billions of dollars and entered 2009 Years later, the state even resorted to huge amounts of money to build a scaled model of the country’s diseased reservoirs and to reinforce and expand some reservoirs that have potential safety problems or have lost flood control and water storage capacity, so that they can re-establish their own profit-making benefits. The main approach is to restore the reservoir water storage capacity, improve flood control standards and reservoir quality. Technically the main dam has increased, spillway reconstruction and expansion, dam seepage, the appearance of renovation and other programs.