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Strain rate effects for strength of geopolymer concrete

Feng, K.N., Pan, Z., Ruan, D., Collins, Francis, Bai, Y. and Duan, W.H. 2012, Strain rate effects for strength of geopolymer concrete, in ACUN-6 2012 : Proceedings of the 6th International Composites Conference on Composites and Nanocomposites in Civil, Offshore and Mining Infrastructure, ACUN-6 Monash University, Melbourne, Vic., pp. 405-410.

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Title Strain rate effects for strength of geopolymer concrete
Author(s) Feng, K.N.
Pan, Z.
Ruan, D.
Collins, FrancisORCID iD for Collins, Francis orcid.org/0000-0001-6331-5390
Bai, Y.
Duan, W.H.
Conference name ACUN-6 Composites and Nanocomposites in Civil, Offshore and Mining Infrastructure. International Composites Conference (6th : 2012 : Melbourne, Victoria)
Conference location Melbourne, Victoria
Conference dates 14 - 16 Nov. 2012
Title of proceedings ACUN-6 2012 : Proceedings of the 6th International Composites Conference on Composites and Nanocomposites in Civil, Offshore and Mining Infrastructure
Editor(s) Bai, Yu
Bandyopadhyay, Sri
Zhao, Xiao-Ling
Singh, Raman
Rizkalla, Sami
Publication date 2012
Series ACUN International Composites Conference
Conference series Composite and Nanocomposites in Civil, Offshore and Mining Infrastructure
Start page 405
End page 410
Total pages 6
Publisher ACUN-6 Monash University
Place of publication Melbourne, Vic.
Keyword(s) geopolymer
concrete
strain rate effects
strength
Summary The effects of strain rate on compressive and tensile strength of fly ash based geopolymer concrete were investigated experimentally. Four mixes of geopolymer concrete using different alkaline solutions and under vary curing conditions were prepared. One mix of ordinary Portland cement (OPC) concrete was prepared for comparison. Both Quasi-Static tests using standard MTS and dynamic tests using Split-Hopkinson pressures bar (SHPB) were conducted, which were giving varying strain rate loadings from 10‾⁷ to 103 per second. The strain rate effect is presented as the ratio of dynamic compressive strength to static compressive strength (DIF). Results show that DIFs of geopolymer concrete are generally higher than those of OPC concrete at strain range of 187/s to 346/s (compression tests) and 7/s to 13/s (splitting tensile tests), respectively. This tendency is independent on loading regimes (compression or tension). This suggests that geopolymer concrete can be used as an alternative construction material to OPC concrete for the structures which has a high risk of being subjected to impact loadings.
ISBN 978-0-646-58589-5
Language eng
Field of Research 090505 Infrastructure Engineering and Asset Management
090503 Construction Materials
Socio Economic Objective 870301 Cement and Concrete Materials
HERDC Research category E1.1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2012, ACUN-6 Monash University
Persistent URL http://hdl.handle.net/10536/DRO/DU:30080796

Document type: Conference Paper
Collection: Institute for Frontier Materials
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