In order to solve the problem of the construction quality of rock wall beams in the underground plant of large-scale hydropower stations,this paper takes the Yunxiao Pumped Storage Power Station in Fujian Province as the research object,combined with the engineering geological conditions of the site,and conducts research on the rock wall excavation,support bolt installation and concrete pouring construction of the rock wall beams at the main plant and the tail gate room.It reduces the reinforcement work in the later stage and saves the project investment.
large hydroelectric power stationsunderground workshoprock wall beamstail brake chamberbolts
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