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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Ash from timber waste as cement replacement material
Cement and Concrete Composites, Volume 24, No. 2, Year 2002
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Description
Sawdust is a waste product from the timber industry. Research work carried out on the ash derived from the sawdust has confirmed its pozzolanic properties with a pozzolanic index value of 75.9%. This material compares favourably with fly ash and wastes from the oil palm industry. The only difference noticed is in the low content of Al2O3 (4.09%) and Fe2O3 (2.26%). Concrete mixes have been proportioned to have various percentages of cement replacement with sawdust ash (SDA) ranging from 0% to 30% by mass. Performance of the ash-portland cement mixture has been evaluated with respect to setting time, workability and compressive strength. From the results obtained, 10% replacement of cement with SDA shows good performance giving the desired workability and strength. © 2002 Published by Elsevier Science Ltd.
Authors & Co-Authors
Elinwa, Augustine U.
Nigeria, Bauchi
Abubakar Tafawa Balewa University
Mahmood, Yakubu Abba
Nigeria, Bauchi
Abubakar Tafawa Balewa University
Statistics
Citations: 257
Authors: 2
Affiliations: 1
Identifiers
Doi:
10.1016/S0958-9465(01)00039-7
ISSN:
09589465