Abstract
Plastic concrete is a kind of suitable material for cut-off wall of earth dam, which has low elastic modulus and permeability, large ultimate deformation, and good workability. In this paper, the mix proportion of plastic concrete with 50% bentonite content, water-binder ratio of 1.00 and sand-aggregate ratio of 55% is proposed, and the plastic concrete cut-off wall has been successfully applied to the reinforcement project of Huizhou Zengbo Lianhe reservoir. All the indexes meet the design requirements. The seepage of the main dam was reduced by 67%, and the piezometric level behind the wall was reduced by 6-9 m.
Published Version
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