1999 – Recent Practices in the Construction of Roller Compacted Concrete Dams

Robert J. Parker

This paper examines the current trends in the construction of Roller Compacted Concrete Dams in Australia and Internationally. Certain recent trends to processes such as grout enriched vibratable RCC will assist both the cost effectiveness and simplicity of this type of dam construction. Key issues considered are: I. The trend is to use less conventional concrete in the structure and grout enriched RCC against contact surfaces are the means of achieving this. 2. Proportionally greater use is being made of high paste mixes 3. In order to maximise placing rates, keep it simple 4. Aggregates should be manufactured in not less than three sizes and preferably four if segregation is to be controlled

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