2006•Yangtze RiverRequires access

RCC dam design of Pengshui hydropower station

Huang Hong-fei

Abstract

Pengshui dam is an arched RCC gravity one with the maximum dam height of 116.5 m.The top openings are designed for flood release and the dam body under the top openings is RCC with its volume of 587.6 thousand m~3,accounting for 58% of total dam concrete volume.The overall RCC economic cross-section is designed for the dam.This paper presents the stress analysis, concrete mix ratio,seepage control scheme and the simplification of dam structure layout.The foundation consolidation grouting with levelled concrete layer plugging is adopted for geologic defect-free position to realize quick RCC construction.

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Key concepts: Gravity dam, Consolidation (business), Geotechnical engineering, Hydropower, Foundation (evidence), Engineering, Geology, Roller-compacted concrete