Influence of high temperature and low humidity curing on chloride penetration in blended cement concrete

KHATIB, J. and MANGAT, Pal (2002). Influence of high temperature and low humidity curing on chloride penetration in blended cement concrete. Cement and concrete research, 32.

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Link to published version:: 10.1016/S0008-8846(02)00857-8

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.

Item Type: Article
Additional Information: Copyright © Elsevier Science Ltd
Research Institute, Centre or Group: Materials and Engineering Research Institute > Structural Materials and Integrity Research Centre > Centre for Infrastructure Management
Identification Number: 10.1016/S0008-8846(02)00857-8
Depositing User: Ann Betterton
Date Deposited: 29 Jul 2008
Last Modified: 12 Jul 2010 15:13
URI: http://shura.shu.ac.uk/id/eprint/667

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