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《Hongshui River》 2009-06
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Construction Closure Design for Changzhou Hydraulic Complex

LIANG Han-shou,FENG Jian(Guangxi Electric Power Industry Investigation Design and Research Institute,Nanning 530023)  
Construction closure design is one of the critical components of design for a water conservancy and hydropower project.With respect to Changzhou Hydraulic Complex,construction closure needs to be done on three rivers successively during construction period.Such work takes long period of time,characterized by big design flow,fast flow velocity at closure gap and large water head.In addition,the dam site locates at the riverbed with soft foundation easy to be scoured.The closure design shall therefore take into account external conditions including navigation and water supply to the downstream so as to solve technical problems involved.The paper presents a review on river closure design of the outer river,the inner river and the mid river during the first,the second and the third phase construction of the Complex respectively.
【CateGory Index】: TV551.2
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