The results of investigations on the suitability of using volcanic scoria (VS) as coarse aggregate in lightweight concrete production are reported. Tests were conducted on concrete by replacing 0–100% of coarse crushed gravel aggregate by volume. The physical properties of volcanic scoria were critically reviewed to evaluate the possible influence on both the fresh and hardened state of concrete. The properties of VS concrete using different percentages of VS aggregate were evaluated by conducting a comprehensive series of tests on workability, strength, drying shrinkage, surface absorption and water permeability. It is concluded that the VS concrete has sufficient strength and adequate density to be accepted as structural lightweight concrete. However, compared with the control concrete, the VS concrete has a lower modulus of elasticity, and higher permeability and initial surface absorption.
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March 2004
Research Article|
March 01 2004
Properties of volcanic scoria based lightweight concrete
K. M. A. Hossain
K. M. A. Hossain
*
Department of Civil Engineering, Ryerson University
350 Victoria Street, Toronto, Ontario, Canada M5B 2K3
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Publisher: Emerald Publishing
Received:
January 08 2003
Revision Received:
July 23 2003
Accepted:
October 16 2003
Online ISSN: 1751-763X
Print ISSN: 0024-9831
© 2004 Thomas Telford Ltd
2004
Magazine of Concrete Research (2004) 56 (2): 111–120.
Article history
Received:
January 08 2003
Revision Received:
July 23 2003
Accepted:
October 16 2003
Citation
Hossain KMA (2004), "Properties of volcanic scoria based lightweight concrete". Magazine of Concrete Research, Vol. 56 No. 2 pp. 111–120, doi: https://doi.org/10.1680/macr.2004.56.2.111
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