Research on the Effect of Freezing of Pumped Storage Power Station Upper Reservoir’ Bank in Cold Regions

Dong He Ma; Yan Ping Li; Yan Bin Xu; Zhong Fu Liu; Shuang Xu; Yu Min Ma

doi:10.4028/www.scientific.net/AMM.744-746.1120

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 744-746Research on the Effect of Freezing of Pumped...

Research on the Effect of Freezing of Pumped Storage Power Station Upper Reservoir’ Bank in Cold Regions

Abstract:

This Water level change of upper storage reservoir of pumped storage power station is frequent and big. The change leads to freezing damage on and adverse impact on bank stability of reservoir in cold zone. For above problems, combining with the running project, using dynamic ice condition image shooting system, vibrating ice pressure gauge , the characters on reservoir bank destroyed by coldness and action rules of ice pressure on bank slope were studied in depth. The scientific prevention measures were proposed. The monitoring period of maximum observed ice pressure is 21kPa, the magnitude of ice pressure on the hydraulic structures without causing a significant threat. Because of the action of buoyancy, the bank around the dry stone pitching occurred in a large scope to armour stone are pulled out as the main form of failure. The research results will have significance on freezing damage prevention scheme formulation of reservoir bank of pumped storage power station in cold zone.

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Periodical:

Applied Mechanics and Materials (Volumes 744-746)

Pages:

1120-1123

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.744-746.1120

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Online since:

March 2015

Authors:

Dong He Ma*, Yan Ping Li, Yan Bin Xu, Zhong Fu Liu, Shuang Xu, Yu Min Ma

Keywords:

Cold Regions, Freezing Damage Prevention and Control, Ice Pressure, Upper Reservoir

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* - Corresponding Author

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