File(s) under permanent embargo
Optimum mix design of concrete made with dune sand as fine aggregate
conference contribution
posted on 2012-11-14, 00:00 authored by F Luo, Z Pan, W H Duan, X L Zhao, Frank CollinsFrank CollinsThe use of dune sand for replacing ordinary fine aggregate in concrete has environmental benefits and the feasibility has been demonstrated in China and some Middle East countries. However, the use of dune sand tends to decrease the engineering properties (compressive strength and workability) of concrete. To improve engineering properties of dune sand concrete (DSC), the current paper is to check which strength and
slump levels can be obtained by optimization of mix proportions. Results show that the ratio of cement to sand (C/S) has significant influence on the engineering properties of DSC. At low C/S ratio, the engineering
properties of DSC are inferior to those of concretes made with normal sand (NSC). However, when C/S ratio exceeds 0.75, DSC has comparable or even better engineering properties compared to NSC. In the range of
investigated C/S ratio, DSC has comparable tensile splitting strength and elastic modulus to its reference NSC.
Based on the experimental results, the Australia dune sand can be used as fine aggregate whenever mix proportions are properly controlled.
slump levels can be obtained by optimization of mix proportions. Results show that the ratio of cement to sand (C/S) has significant influence on the engineering properties of DSC. At low C/S ratio, the engineering
properties of DSC are inferior to those of concretes made with normal sand (NSC). However, when C/S ratio exceeds 0.75, DSC has comparable or even better engineering properties compared to NSC. In the range of
investigated C/S ratio, DSC has comparable tensile splitting strength and elastic modulus to its reference NSC.
Based on the experimental results, the Australia dune sand can be used as fine aggregate whenever mix proportions are properly controlled.
History
Event
ACUN-6 Composites and Nanocomposites in Civil, Offshore and Mining Infrastructure. International Composites Conference (6th : 2012 : Melbourne, Victoria)Series
ACUN International Composites ConferencePagination
233 - 240Publisher
ACUN-6 Monash UniversityLocation
Melbourne, AustraliaPlace of publication
Clayton, Vic.Start date
2012-11-14End date
2012-11-16ISBN-13
978-0-646-58589-5Language
engPublication classification
E1.1 Full written paper - refereed; E Conference publicationCopyright notice
2012, ACUN-6 Monash UniversityEditor/Contributor(s)
Y Bai, S Bandyopadhyay, X Zhao, R Singh, S RizkallaTitle of proceedings
ACUN-6 2012 : Proceedings of the 6th International Composites Conference on Composites and Nanocomposites in Civil, Offshore and Mining InfrastructureUsage metrics
Categories
No categories selectedKeywords
Licence
Exports
RefWorks
BibTeX
Ref. manager
Endnote
DataCite
NLM
DC