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Durability in concrete : new instruments : new opportunities

Garcez, EO, Gates, Will, Collins, Francis, Bordallo, HN, Garbe, U, Mole, R, Yu, D, Rehm, C, Campo, L and Aldridge, LP 2015, Durability in concrete : new instruments : new opportunities, in CBC 2015 : Proceedings of the 57th Congresso Brasileiro do Concreto, IBRACON, São Paulo, Brazil, pp. 1-12.

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Title Durability in concrete : new instruments : new opportunities
Author(s) Garcez, EOORCID iD for Garcez, EO orcid.org/0000-0002-9586-472X
Gates, WillORCID iD for Gates, Will orcid.org/0000-0001-7388-0289
Collins, FrancisORCID iD for Collins, Francis orcid.org/0000-0001-6331-5390
Bordallo, HN
Garbe, U
Mole, R
Yu, D
Rehm, C
Campo, L
Aldridge, LP
Conference name Congresso Brasileiro do Concreto (57th : 2015 : Bonito, Brazil)
Conference location Bonito, Brazil
Conference dates 2015/10/27 - 2015/10/30
Title of proceedings CBC 2015 : Proceedings of the 57th Congresso Brasileiro do Concreto
Publication date 2015
Start page 1
End page 12
Total pages 12
Publisher IBRACON
Place of publication São Paulo, Brazil
Keyword(s) concrete
durability
water transport
neutron tomography
curing
Summary New infrastructure, particularly in the developing countries, demands substantial capital investment and a loss of durability of the concrete means a waste of oportunity. Improving durability of concrete structures is a non-trivial task. The durability of concrete has been related to its ability to resist the transport of water and the potentail imporvements to concrete durability using supplementary cementitious materials (SCM) has been well documented. With access to neutron and synchrotron facilities it has become possible to; (a) measure the ability of SCM to inhibit transport of water in concrete (b) measure particle size increase of hydrating cements (with and without SCM) by ultra-small angle neutron scattering (c) use neutron tomography combined with x-ray tomography to determine the three dimensional flaws in the structure of concretes that enable water ingress into structures, and (d) determine the amount of curing or degree of hydration on the durability of SCM/OPC blends. This review will detail preliminary results on cement and concrete obtained using the newly available neutron, synchrotron and other facilities in Australia and Brazil and highlights their ability to estimate factors which determine the service life of concrete
ISSN 2175-8182
Language eng
Field of Research 090503 Construction Materials
090505 Infrastructure Engineering and Asset Management
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 ©2015, IBRACON
Persistent URL http://hdl.handle.net/10536/DRO/DU:30080967

Document type: Conference Paper
Collections: Institute for Frontier Materials
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