Analysis on monitoring of underground powerhouse and water conduit system during water filling and storing process at Langyashan Pumped Storage Hydropower Station

The variation of the observation values from all the monitored locations and the stability of the surrounding rock of the underground powerhouse and water conduit during the water filling and storing process of Lanyashan Pumped Storage Hydropower Station are emphatically analyzed herein,which provides the relevant monitoring data for the safety operation of the station.