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Wolverhampton Intellectual Repository and E-Theses > School of Technology > School of Engineering and the Built Environment > Construction and Infrastructure > Influence of high-temperature and low-humidity curing on chloride penetration in blended cement concrete

Please use this identifier to cite or link to this item: http://hdl.handle.net/2436/15902
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Title: Influence of high-temperature and low-humidity curing on chloride penetration in blended cement concrete
Authors: Khatib, Jamal M.
Mangat, P.S.
Citation: Cement and Concrete Research, 32(11): 1743-1753
Publisher: Elsevier
Issue Date: 2002
URI: http://hdl.handle.net/2436/15902
DOI: 10.1016/S0008-8846(02)00857-8
Additional Links: http://www.ingentaconnect.com/content/els/00088846/2002/00000032/00000011/art00857
Abstract: The influence of high-temperature and low-humidity curing on chloride penetration in concrete containing cement replacement materials was investigated. Three different mixes were studied: a control mix in which no cement replacement materials were added and two mixes where cement was partially replaced by 20% fly ash and 9% silica fume (by weight), respectively, at a constant water-to-binder ratio of 0.45. High-temperature curing was employed to simulate concrete temperature in hot climate. The results show that at early periods of exposure, initial curing has a substantial influence on chloride penetration in concrete. The effect of initial curing is much reduced after a long period of exposure. The chloride penetration at early ages of exposure is directly related to the porosity of the binder phase and the absorption of concrete. Higher chloride penetration resistance was observed when cement is partially replaced with either fly ash or silica fume.
Type: Article
Language: en
Description: Metadata only
Keywords: Blended cement
Chloride
Curing
Diffusion
Temperature
ISSN: 00088846
Appears in Collections: Construction and Infrastructure

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