Roller Compacted Concrete with Marginal Aggregatesby Eric Schweizer, Camp, Dresser & McKee Inc, Austin, TX, USA,
Gary W. Raba, Camp, Dresser & McKee Inc, Austin, TX, USA,
Abstract: Roller compacted concrete is a technology which is vastly expanding beyond the traditional uses of pavement and dam oriented projects. Hornsby Bend Wastewater Treatment Plant required the use of almost 54,000 cubic yards (41,285 cubic meters) of RCC to be placed as a liner for five evaporation/drying beds. Also included in this project is the first large scale application of RCC in sludge drying basins. This project required multiple layer construction techniques to construct 12-inch (30. 5 cm) liners covering about 170,000 square yards (142,140 sq m) of surface. The design constraints, philosophies and procedures of this project are presented.
Subject Headings: Roller-compacted concrete | Compaction (material) | Wastewater treatment plants | Concrete dams | Linings | Sludge | Basins | Concrete pavements
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