Construction Organization Design Optimization on Tailrace Bulkhead Gate Chamber in Extension Project of Yantan Hydropower Station
In view of the problems of construction content and construction difficulty caused by the lag of tailrace tunnel intersection time,ultra-high and ultra-deep gate chamber,narrow space and poor geological conditions in the construction of tailrace bulkhead gate chamber of No.5 and No.6 units of Yantan Hydropower Station extension project,the author expounds the construction organization design optimization from the aspects of gate chamber excavation support,concrete construction and gate installation.By changing the gate chamber excavation scheme and concrete construction method,careful planning and scientific arrangement,high-quality and efficient construction is realized,and the construction is completed according to the contract period.
tailrace bulkhead gategate gallerygate shaftconcrete constructionconstruction organization designextension project of Yantan Hydropower Station
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