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Study on Hydraulic Model Tests of River Diversion for Phase II Concrete Construction,Shuhe Hydropower Station

Jiangtao Wang

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Abstract

Transverse water-retaining cofferdams at both upstream and downstream of powerhouse foundation pit need to be built because the completed flood discharge gate on right bank is applied for Phase Ⅱ diversion so as to have dam sections at powerhouse of Shuhe Hydropower Station be concreted.Before determination of scheme for cofferdam,hydraulic model tests on flows are carried out respectively according to scheme for year-round water retaining cofferdam and scheme for overflow cofferdam in flood season.Based on the model test results,the final scheme for Phase Ⅱ cofferdam is the one for overflow cofferdam in flood season.

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What this paper is about

Transverse water-retaining cofferdams at both upstream and downstream of powerhouse foundation pit need to be built because the completed flood discharge gate on right bank is applied for Phase Ⅱ diversion so as to have dam sections at powerhouse of Shuhe Hydropower Station be concreted.Before determination of scheme for cofferdam,hydraulic model tests on flows are carried out respectively according to scheme for year-round water retaining cofferdam and scheme for overflow cofferdam in flood season.Based on the model test results,the final scheme for Phase Ⅱ cofferdam is the one for overflow cofferdam in flood season.

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Available abstract

Transverse water-retaining cofferdams at both upstream and downstream of powerhouse foundation pit need to be built because the completed flood discharge gate on right bank is applied for Phase Ⅱ diversion so as to have dam sections at powerhouse of Shuhe Hydropower Station be concreted.Before determination of scheme for cofferdam,hydraulic model tests on flows are carried out respectively according to scheme for year-round water retaining cofferdam and scheme for overflow cofferdam in flood season.Based on the model test results,the final scheme for Phase Ⅱ cofferdam is the one for overflow cofferdam in flood season.

Key concepts: Cofferdam, Hydropower, Geotechnical engineering, Flood myth, Engineering, Foundation (evidence), Water level, Hydrology (agriculture)

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Study on Hydraulic Model Tests of River Diversion for Phase II Concrete Construction,Shuhe Hydropower Station — Research Paper | ScholarLens