Utilization of quarry dust in developing high performance concrete

Md. Safiuddin and Zain, Muhammad Fauzi Mohd and Khairiyah Mohd Yusof (2000) Utilization of quarry dust in developing high performance concrete. In: 2000 Annual Conference - Canadian Society for Civil Engineering, 7-10 June 2000, London.

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The possibility of developing high performance concrete (HPC) using quarry dust as part of fine I aggregates has been investigated in this study. Silica fume-quarry dust (SFQD) and silica fume (SF) concretes were prepared with normal portland cement (NPC) concrete. Slump, slump-flow and V-funnel flow were measured to indicate the workability of the fresh composite. SFQD concrete fulfilled the workability requirement of HPC. The hardened test specimens were subjected to dry air and water curing. The aim was to identify the most efficient curing method to impart higher compressive strength, elasticity and durability. Tests for compressive strength, dynamic modulus of elasticity and initial surface absorption (ISA) were conducted on the hardened specimens. Test results reveal that water cured SFQD concrete has provided adequate compressive strength and elasticity at the age of 28 and 91 days, which should be maintained in HPC. It was also observed that water cured SFQD concrete has provided lower ISA-values, although not the lowest, compared to SF concrete. These values are quite low compared to the maximum absorption of low absorptive concrete. Hence, this study reveals that HPC can be produced by the use of quarry dust as part of fine aggregates.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Keyword: Aggregates, Compressive strength, Durability, Dust, Elasticity, Hardness, Portland cement, Quarries, Silica, High performance concrete (HPC), Initial surface absorption (ISA), Quarry dust, Silica fume-quarry dust (SFQD), Concretes
Subjects: T Technology > TH Building construction > TH1-9745 Building construction > TH1000-1725 Systems of building construction Including fireproof construction, concrete construction
Department: SCHOOL > School of Engineering and Information Technology
Depositing User: ADMIN ADMIN
Date Deposited: 02 Feb 2012 11:10
Last Modified: 29 Dec 2014 16:03
URI: https://eprints.ums.edu.my/id/eprint/3428

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