The Research and Engineering Application of a New Hardfill Cofferdam in Shatuo Hydropower Station

Cheng Jia Peng; Peng Hao; Peng Su

doi:10.4028/www.scientific.net/AMM.638-640.759

Paper Titles

Effect of MgO Admixture on Stress Characteristics of Concrete Plates Faced on Rockfill Dam during Construction
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Research and Application on Concrete Face Rock-Fill Dam’s Earth-Rock Allocation
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Sensitivity Analysis of Concrete Curtain for the Seepage Control of Dam Foundation
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The Effect of Curtain Boundary on the Dam Foundation Seepage Control
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The Research and Engineering Application of a New Hardfill Cofferdam in Shatuo Hydropower Station
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Application of AutoBank in the Dike Reinforcement Calculation of Lower Qinhe River
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Research on Sediment Problem in Dam Area of Three Gorges Project
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The Indicator Variable Principal Component Neural Network Model for the Prediction of the Opening of Dam Crack
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Initiation and Propagation of Cracks in the Middle Diversion Pier of Xiaowan Arch Dam
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 638-640The Research and Engineering Application of a New...

The Research and Engineering Application of a New Hardfill Cofferdam in Shatuo Hydropower Station

Abstract:

A series of studies, including structure layout, detail design, material test, construction technology and prototype monitoring, etc are performed for the cofferdam on the left downstream bank of Shatuo hydropower station, which is situated on Wujiang River, Guizhou, China. Based on the research, the hardfill cofferdam with super-sized aggregates and ultralow cement in practical construction is firstly investigated. In which, the maximum aggregate size reaches 70cm and the minimum usage of cementing materials is 50 kg/m³ (25 kg/m³ for cement). According to the results of field detection and prototype monitoring, the implementation effect of the project is objectively evaluated. The research achievements and engineering practice can provide references for the design and construction of temporary cofferdam and low-medium permanent dam.

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Periodical:

Applied Mechanics and Materials (Volumes 638-640)

Pages:

759-765

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.638-640.759

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Online since:

September 2014

Authors:

Cheng Jia Peng*, Peng Hao, Peng Su

Keywords:

Cofferdam, Effect Evaluation, Hardfill Cofferdam, Shatuo Hydropower Station, Super-Sized Aggregates, Ultralow Cement

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