DAM

作品数：987被引量：1830H指数：17
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Research progresses on equipment technologies used in safety inspection,repair,and reinforcement for deepwater dams被引量：2
《Science China(Technological Sciences)》2022年第5期1059-1071,共13页XIANG Yan SHENG JinBao WANG Lei CAI YueBo MENG Ying CAI Wei 
supported by the National Natural Science Foundation of China(Grant No.51979176);the Water Conservancy Technology Demonstration Program of the Ministry of Water Resources(Grant No.SF202108);the Fundamental Research Fund Program of the National Research Institutes for Public Welfare(Grant No.Y720001)。
China’s many dams are increasingly facing safety problems resulting from the natural aging of the dam hydraulic structure and geological disasters such as earthquakes under the operating condition of holding a vast a...
关键词：DAM unmanned detection manned submersible detection deepwater detection deep water repair and reinforcement 
An approach to quick and easy evaluation of the dam breach flood被引量：14
《Science China(Technological Sciences)》2019年第10期1773-1782,共10页CHEN ZuYu PING ZiYi WANG NaiXin YU Shu CHEN ShuJing 
supported by the National Natural Science Foundation of China(Grant No.41731289);the Foundation of State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin(Grant No.2016ZY08);the Consultation and Evaluation Project of the Chinese Academy of Sciences(Grant No.2018-Z02-A-008)
In the context of an impending dam failure, quick evaluation of dam breach flood is necessary. Previous studies provided an approach to calculate the dam breach hydrograph using an Excel spreadsheet based on the impro...
关键词：DAM breach FLOOD breach LATERAL ENLARGEMENT HYPERBOLIC relationship 
Cascading dam breach process simulation using a coupled modeling platform被引量：4
《Science China(Technological Sciences)》2019年第8期1455-1466,共12页LIU ZhiPing GUO XinLei ZHOU XingBo FU Hui XIA QingFu LI ShaoJun 
supported by the National Key Research and Development Program of China(Grant No.2016YFC0401706);the National Natural Science Foundation of China(Grant No.51679262);the IWHR Research&Development Support Program(Grant Nos.HY0145B642017,and HY0145B802017)
This study evaluates the possibility of a cascade failure by developing a coupled breach-modeling platform based on onedimensional flow modeling of the river channel, flood propagation, regulation process of reservoir...
关键词：CASCADES DAM breach EXTREME operating condition sensitivity analysis FLOOD DISCHARGE structure 
Comprehensive evaluation methods for dam service status被引量：10
《Science China(Technological Sciences)》2012年第8期2300-2312,共13页WU ZhongRu XU Bo GU ChongShi LI ZhanChao 
supported by the National Natural Science Foundation of China (Grant Nos. 51139001,51179066,51079046,50909041);the Program for New Century Excellent Talents in University (Grant No. NCET-10-0359);Jiangsu Province "333 High-Level Personnel Training Project" (Grant No. 2017-B08037);the Ministry of Water Resources Public Welfare Industry Research Special Fund Project (Grant No. 201201038)
More than 87000 dams have been built in China,and about one third of them are risky projects.A number of high and ultra-high dams are being constructed in China's western region.The current dam construction practice t...
关键词：DAM service status assessment principles evaluation methods comprehensive evaluation model 
Breach mechanism and numerical simulation for seepage failure of earth-rock dams被引量：8
《Science China(Technological Sciences)》2012年第6期1757-1764,共8页CHEN ShengShui ZHONG QiMing CAO Wei 
supported by the National Basic Research Program of China ("973" Program) (Grant No. 2007CB714103);the National Natural Science Foundation of China (Grant No. 90815024)
In this study,a numerical model,which can capture the full process of the development of seepage passages,the collapse of dams and the failure due to overtopping,is proposed for earth-rock dams.The critical incipient ...
关键词：earth-rock dam seepage failure dam collapse numerical simulation 
Simulation of influence of multi-defects on long-term working performance of high arch dam被引量：17
《Science China(Technological Sciences)》2011年第S1期1-8,共8页ZHANG GuoXin ,LIU Yi,ZHENG CuiYing & FENG Fan State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin,Beijing 100038,China China Institute of Water Resources and Hydropower Research,Beijing 100038,China 
supported by the National Key Technology R&D Program (Grant No.2008BAB29B05);the National Natural Science Foundation of China(Grant No.50909105);the Public Industry Research Special Funds of MWR(Grant No.200801007);the Research Special Funds of IWHR
As an integrated structure,an arch dam is assumed to bear loads in its design consideration.However,multi-defects,such as cracks and the opening of transverse joints,are unavoidable during construction and operation.M...
关键词：high ARCH DAM CRACK multi-defects working performance 
Theory and methods of global stability analysis for high arch dam被引量：3
《Science China(Technological Sciences)》2011年第S1期9-17,共9页REN QingWen 1,LI Qiang 1,JIANG YaZhou 2 & JIANG XiaoLan 3 1 Department of Engineering Mechanics,Hohai University,Nanjing 210098,China 2 College of Water Conservation and Hydropower Engineering,Hohai University,Nanjing 210098,China 3 Changjiang Academy of Sciences,Wuhan 430010,China 
supported by the National Basic Research Program of China("973" Project)(Grant No.2007CB714104);the National Natural Science Foundation of China(Grant No.51079045)
The global stability of high arch dam is one of the key problems in the safety study of arch dams,but no feasible method with theoretical basis is available.In this paper,based on the stability theory of mechanical sy...
关键词：high ARCH DAM global stability PHYSICAL INSTABILITY EXTREME point INSTABILITY 
Effects of shear keys on nonlinear seismic responses of an arch-gravity dam被引量：3
《Science China(Technological Sciences)》2011年第S1期18-27,共10页JIANG ShouYan 1,DU ChengBin 1 &YUAN JuWei 2 1 Department of Engineering Mechanics,Hohai University,Nanjing 210098,China 2 Jiangsu Hongji Science and Technology Company.,Ltd.,Nanjing 210008,China 
supported by the National Natural Science Foundation of China(Grant Nos.50539030,50779011,11132003);the National Basic Research Program of China("973"Project)(Grant No.2007CB714104);the Innovative Project for Graduate Students of Jiangsu Province (Grant No.CX10B_202Z)
In the paper,the added tangential nonlinear springs are introduced to represent the effects of one-way and two-way shear keys. The added tangential stiffness coefficient is relative to the joint opening and the relati...
关键词：seismic responses arch-gravity DAM CONTRACTION joints shear KEYS nonlinear spring elements 
Research on analysis method for temperature control information of high arch dam construction被引量：6
《Science China(Technological Sciences)》2011年第S1期40-46,共7页ZHONG DengHua,ZHAO ChenSheng & REN BingYu Department of Hydraulic and Hydroelectric Engineering,School of Civil Engineering,Tianjin University,Tianjin 300072,China 
supported by the National Natural Science Foundation of China(Grant No.50539120);the Foundation for Innovative Research Groups of the National Natural Science Foundation of China(Grant No. 51021004);the National Natural Science Foundation of China(Grant No.90815019)
Temperature control,which is directly responsible for the project quality and progress,plays an important role in high arch dam construction.How to discover the rules from a large amount of temperature control informa...
关键词：high ARCH DAM construction temperature control information DATA MINING DATA WAREHOUSE NEURAL network model 
Field observation of total dissolved gas supersaturation of high-dams被引量：17
《Science China(Technological Sciences)》2011年第1期156-162,共7页QU Lu LI Ran LI Jia LI KeFeng DENG Yun 
supported by the National Natural Science Foundation of China (Grant No.50979063)
One of the possible negative environmental effects of hydropower stations is the supersaturation of total dissolved gas (TDG) downstream of high-dams,which can lead to gas bubble disease or even death of fish. By taki...
关键词：high-dam total dissolved gas SUPERSATURATION field observation 
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