Construction of Concrete Face Rockfill Dams

by Alan Varty,
Rick J. Boyle,
Edward D. Pritchard,
Roger E. Gill,



Document Type: Proceeding Paper

Part of: Concrete Face Rockfill Dams?Design, Construction, and Performance

Abstract:

The Hydro-Electric Commission, Tasmania, Australia has been building concrete face rockfill dams since 1968. Eight dams from 26m to 110m high have been completed, and the highest at 122m will be completed in 1986. Five more are in the design stage. These dams were designed by the Commission's Engineers and constructed by the Commission's own day labour workforce. The specialised construction equipment was designed and fabricated within the Commission. It has therefore been possible to carry forward the expertise from one dam to the next, and to improve progressively both construction methods and equipment. The paper describes the evolution of plinth construction, rockfill placement, upstream face control and compaction, handling of waterstops and reinforcement, and upstream concrete face construction by slipforming.

Subject Headings: Construction equipment | Construction methods | Concrete dams | Rockfill dams | Infrastructure construction | Concrete construction | Rock fills

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