High-strength rice husk ash concrete incorporating quarry dust fine aggregates

Sudharshan Naidu Raman, T. Ngo, P. Mendis, H. B. Mahmud, C. H. Lee, T. T. Nguyen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

An experimental investigation was undertaken to evaluate the mechanical properties of highstrength concrete (HSC) when sand was partially replaced with quarry dust as fine aggregates. Rice husk ash (RHA) was used as cement replacement in the HSC mixes, produced with water-binder ratio of 0.38 to achieve 60MPa at 28 days. During the trial mixes stage, sand was substituted with quarry dust from 10% to 40% in the HSC containing 10% RHA. The mix containing 20% quarry dust was chosen as the optimum to undergo further evaluation of their mechanical properties. Compressive strength, modulus of rupture, dynamic modulus of elasticity and ultrasonic pulse velocity were evaluated up to 1 year, whereas the initial surface absorption was measured on the 28th and 56th day. While the substitution of sand with quarry dust in the HSC mixes does contribute to some minor negative effects in mechanical properties, these outcomes can be compensated with cement replacement materials such as RHA, and coupled with a good mix design.

Original languageEnglish
Title of host publicationIncorporating Sustainable Practice in Mechanics of Structures and Materials - Proceedings of the 21st Australian Conference on the Mechanics of Structures and Materials
Pages843-848
Number of pages6
Publication statusPublished - 2011
Event21st Australasian Conference on the Mechanics of Structures and Materials, ACMSM21 - Melbourne, VIC
Duration: 7 Dec 201010 Dec 2010

Other

Other21st Australasian Conference on the Mechanics of Structures and Materials, ACMSM21
CityMelbourne, VIC
Period7/12/1010/12/10

Fingerprint

Ashes
Quarries
Dust
Concretes
Sand
Concrete mixtures
Mechanical properties
Cements
Compressive strength
Binders
Substitution reactions
Elastic moduli
Ultrasonics
Water

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Mechanics of Materials
  • Building and Construction
  • Architecture

Cite this

Raman, S. N., Ngo, T., Mendis, P., Mahmud, H. B., Lee, C. H., & Nguyen, T. T. (2011). High-strength rice husk ash concrete incorporating quarry dust fine aggregates. In Incorporating Sustainable Practice in Mechanics of Structures and Materials - Proceedings of the 21st Australian Conference on the Mechanics of Structures and Materials (pp. 843-848)

High-strength rice husk ash concrete incorporating quarry dust fine aggregates. / Raman, Sudharshan Naidu; Ngo, T.; Mendis, P.; Mahmud, H. B.; Lee, C. H.; Nguyen, T. T.

Incorporating Sustainable Practice in Mechanics of Structures and Materials - Proceedings of the 21st Australian Conference on the Mechanics of Structures and Materials. 2011. p. 843-848.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Raman, SN, Ngo, T, Mendis, P, Mahmud, HB, Lee, CH & Nguyen, TT 2011, High-strength rice husk ash concrete incorporating quarry dust fine aggregates. in Incorporating Sustainable Practice in Mechanics of Structures and Materials - Proceedings of the 21st Australian Conference on the Mechanics of Structures and Materials. pp. 843-848, 21st Australasian Conference on the Mechanics of Structures and Materials, ACMSM21, Melbourne, VIC, 7/12/10.
Raman SN, Ngo T, Mendis P, Mahmud HB, Lee CH, Nguyen TT. High-strength rice husk ash concrete incorporating quarry dust fine aggregates. In Incorporating Sustainable Practice in Mechanics of Structures and Materials - Proceedings of the 21st Australian Conference on the Mechanics of Structures and Materials. 2011. p. 843-848
Raman, Sudharshan Naidu ; Ngo, T. ; Mendis, P. ; Mahmud, H. B. ; Lee, C. H. ; Nguyen, T. T. / High-strength rice husk ash concrete incorporating quarry dust fine aggregates. Incorporating Sustainable Practice in Mechanics of Structures and Materials - Proceedings of the 21st Australian Conference on the Mechanics of Structures and Materials. 2011. pp. 843-848
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