Simple Search:

Assessment of the effects of rice husk ash particle size on strength, water permeability and workability of binary blended concrete


Citation

Givi, Alireza Naji and Abdul Rashid, Suraya and Abd. Aziz, Farah Nora Aznieta and Mohd Salleh, Mohamad Amran (2010) Assessment of the effects of rice husk ash particle size on strength, water permeability and workability of binary blended concrete. Construction and Building Materials, 24 (11). pp. 2145-2150. ISSN 0950-0618

Abstract / Synopsis

This study develops the compressive strength, water permeability and workability of concrete by partial replacement of cement with agro-waste rice husk ash. Two types of rice husk ash with average particle size of 5 micron (ultra fine particles) and 95 micron and with four different contents of 5%, 10%, 15% and 20% by weight were used. Replacement of cement up to maximum of 15% and 20% respectively by 95 and 5 μm rice husk ash, produces concrete with improved strength. However, the ultimate strength of concrete was gained at 10% of cement replacement by ultra fine rice husk ash particles. Also the percentage, velocity and coefficient of water absorption significantly decreased with 10% cement replacement by ultra fine rice husk ash. Moreover, the workability of fresh concrete was remarkably improved by increasing the content of rice husk ash especially in the case of coarser size. It is concluded that partial replacement of cement with rice husk ash improves the compressive strength and workability of concrete and decreases its water permeability. In addition, decreasing rice husk ash average particle size provides a positive effect on the compressive strength and water permeability of hardened concrete but indicates adverse effect on the workability of fresh concrete.


Download File

[img]
Preview
PDF (Abstract)
Assessment of the effects of rice husk ash particle size on strength, water permeability and workability of binary blended concrete.pdf

Download (50kB) | Preview

Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Institute of Advanced Technology
DOI Number: https://doi.org/10.1016/j.conbuildmat.2010.04.045
Publisher: Elsevier
Keywords: Concrete; Compressive strength; Permeability; Workability; Particle size; Rice husk ash
Depositing User: Nabilah Mustapa
Date Deposited: 16 May 2015 09:31
Last Modified: 21 Aug 2015 11:20
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.conbuildmat.2010.04.045
URI: http://psasir.upm.edu.my/id/eprint/13311
Statistic Details: View Download Statistic

Actions (login required)

View Item View Item