Sawdust Ash as Concrete Material
Publication: Journal of Materials in Civil Engineering
Volume 14, Issue 2
Abstract
Some properties of concrete with sawdust ash (SDA) as a replacement for ordinary portland cement (OPC) are investigated. The compressive strength of specimens with replacement levels ranging from 10 to 30% cured for periods of 3–90 days showed a decreasing strength with higher ash content. The 28-day split tensile strength of SDA concrete specimens showed a similar trend. The SDA concrete was observed to gain rapid strength at later ages, indicating a pozzolanic activity of the ash. Although only concrete with a 10% replacement level attained the 20 N/mm2 designed strength at 28 days, test results indicate that SDA concrete can attain the same order of strength as conventional concrete at longer curing periods.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 14 • Issue 2 • April 2002
Pages: 173 - 176
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: Mar 22, 2000
Accepted: Nov 28, 2000
Published online: Apr 1, 2002
Published in print: Apr 2002
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