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黄龙滩水利枢纽位于鄂西北山区堵河下游,拦河大坝为实体重力坝,坝顶总长371米,最大坝高107米,坝顶高程252米,正常高水位247米,相应库容10.13亿立米,属不完全的季调节水库。工程于1969年4月2日开工兴建,1974年1月10日下闸蓄水,同年4,5两月两台7.5万千瓦的水轮发电机组相继投产发电。大坝在13年的运行中,年年泄流,尤其1980年6月24日泄流,14O0立米/秒,造成厂房被淹,并使厂房尾水右导墙护脚被掏空及掏空处上游的主导墙发生贯穿性裂缝。这一缺陷严重地威胁右导墙的安全,已得到各级主管部门的高度重视并及时进行了处理。本文通过原型观测数据与设计及水工模型试验进行比较研究分析,对大坝监测管理部门提供信息,对设计者提供借鉴资料。
The Huanglongtan Hydropower Project is located in the lower reaches of the Du River in the mountainous area of northwestern Hubei Province. The dam is a solid gravity dam with a total length of 371 meters and a maximum height of 107 meters. The crest of the crest is 252 meters high, with a normal high water level of 247 meters and a corresponding reservoir capacity of 1.013 billion cubic meters , Is an incomplete season regulating reservoir. The project started construction on April 2, 1969, and was shut down on January 10, 1974. In the same year and in February and February of the same year, two 75,000-kilowatt hydro-generating units were put into operation. During the 13-year operation of the dam, annual discharges, especially on June 24, 1980, were as low as 14,00 m / s, causing the plant to be flooded and emptying and emptied the right guard post of the tailrace The dominant wall at the upper reaches of the cracks occur throughout. This flaw seriously threatened the safety of the right guide wall. It has been given high priority by all levels of competent authorities and dealt with promptly. In this paper, through comparative analysis of prototype observation data and design and hydraulic model test, this paper provides information for dam monitoring and management department and provides reference information for designers.