三峡枢纽泄洪建筑物泄流能力复核研究  

Verification of Discharge Capacity of Flood Discharge Structures of Three Gorges Project

作　　者：胡晗[1,2] 耿峻 童广勤 丁宇 HU Han;GENG Jun;TONG Guang-qin;DING Yu(Hydraulics Department,Changjiang River Scientific Research Institute,Wuhan 430010,China;Key Laboratory of Ministry of Water Resources on River-Lake Regulation and Flood Control in the Middle and Lower Reaches of Yangtze River,Changjiang River Scientific Research Institute,Wuhan 430010,China;China Three Gorges Corporation,Yichang 443000,China)

机构地区：[1]长江科学院水力学研究所,武汉430010 [2]长江科学院水利部长江中下游河湖治理与防洪重点实验室,武汉430010 [3]中国长江三峡集团有限公司,湖北宜昌443000

出　　处：《长江科学院院报》2025年第1期115-119,128,共6页Journal of Changjiang River Scientific Research Institute

基　　金：国家自然科学基金重点项目(52130903);中国三峡集团有限公司资助项目(SXSN/4982);中央级公益性科研院所基本科研业务费项目(CKSF2023312/SL,CKSF20241022/SL)。

摘　　要：三峡大坝自2003年建库蓄水以来,泄洪消能建筑物经历了多场大洪水考验。为进一步总结三峡泄洪消能建筑物设计及实际运行情况,在三峡水利枢纽大坝安全首次定期检查期间,对三峡工程的泄流能力进行了全面复核。通过黄陵庙水文站实测数据复核了电站机组过机流量曲线,实测电站出流数据表明,水轮机出力曲线计算得出的左岸电站、右岸电站和地下电站机组流量均能准确反映真实的电站过机流量。复核了深孔和表孔的实际泄流能力,并和设计值与模型试验值进行了对比,通过对比可知,深孔实测泄流能力和设计值相当;表孔实测泄流能力,较设计值略微偏大;深孔和表孔实测联合泄流能力和设计值基本一致。Since the completion of the Three Gorges Dam in 2003,its flood discharge and energy dissipation structures have withstood many flood tests.To further evaluate and summarize the design and actual performance of these structures,the discharge capacity of the Three Gorges Project was comprehensively assessed during the first regular dam safety inspection.The flow capacity of the power station units was verified using data from the Huanglingmiao Hydrological Station.The measured flow data from the power station indicate that the turbine output curve accurately reflects the actual flow rates of the left bank,right bank,and underground power stations.The actual discharge capacities of deep holes and surface holes were also evaluated and compared with their respective design values and model test results.The comparison reveals that the measured discharge capacity of deep holes matches the design value,while the measured discharge capacity of surface holes is slightly higher than the design value.However,the combined discharge capacity of deep holes and surface holes is basically consistent with the design value.

关 键 词：三峡枢纽 深孔 表孔 泄流能力 

分 类 号：TV61[水利工程—水利水电工程]