Design of Construction Measures and Parameter for Continuous Large Pipe Shed in the Underground Chambers of Hami Pumped Storage Power Station Super-Long Fault Zone
The large canopy,as an important reinforcement measure for challenging geological sections in tunnel construction,is widely applied in various engineering practices.However,research on the construction parameters and support effectiveness of canopies lags far behind the actual engineering requirements,with many design parameters lacking validation through construction experience.In this paper,based on several instances of surface collapse in the Hami Pumped Storage Power Station project,canopy support design was conducted.A support system consisting of canopy,reinforced beams,steel supports,and nanomimetic steel fiber concrete sealing was employed,achieving favorable reinforcement results.The research findings can serve as a reference for the design of canopy support parameters in fault-fractured zone tunnel construction.
super-long fault zonecontinuous large pipe shedparameter designHami Pumped Storage Power Station