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Title: High-Strength Self-Compacting Concrete with Fly Ash: Development and Utilization

Author(s): R. Gettu, P. C. C. Gomes, L Agullo, and A. Josa

Publication: Symposium Paper

Volume: 221


Appears on pages(s): 507-522

Keywords: fly ash; high-strength concrete; mixture proportioning; prefabrication; self-consolidating concrete; urban furniture

DOI: 10.14359/13274

Date: 5/1/2004

The development of fly ash based high-strength self-compacting (or self-consolidating) concrete is a positive contribution to sustainable concrete technology. The present work details a mixture proportioning methodology for such concretes based on four steps where simple test procedures are used. Self-compacting concrete with a 90-day compressive strength of about 100 MPa has been obtained. This concrete has been used satisfactorily in a demonstration project involving the manufacture of a prefabricated urban bench with a complex shape. Such applications are promising since they lead to a reduction in energy and labor requirements during the casting and surface finishing, and facilitate the use of complex designs, while improving the factory environment through noise and vibration reduction.


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