Absorption characteristics of concrete as function location relative to casting position

KHATIB, J. M. and MANGAT, P. S. (1995). Absorption characteristics of concrete as function location relative to casting position. Cement and Concrete Research, 25 (5), 999-1010.

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Link to published version:: 10.1016/0008-8846(95)00095-T

Abstract

Three different concrete mixes were prepared, the control mix in which no cement replacement material was added, and mixes where 22% and 9% by weight of cement was replaced with fly ash and silica fume respectively. Mixes were cast in 100mm cube moulds and cured at 20 degrees C and 45 degrees C using a variety of different curing regimes with respect to relative humidity and curing time to simulate concretes in hot and temperate climates. After curing, sliced samples were taken from various locations (faces) of the cube to determine their absorption. Two methods were used to study the absorption characteristics, the shallow immersion and the capillary rise. A large variation in absorption values existed between the upper surface during casting of the concrete cubes, the base and the sides. The absorption value of the complete unsectioned cube (100 mm) is similar to that of sectioned side face. A near-linear relationship exists between the two absorption methods.

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Structural Materials and Integrity Research Centre > Centre for Infrastructure Management
Identification Number: 10.1016/0008-8846(95)00095-T
Depositing User: Ann Betterton
Date Deposited: 04 Feb 2010 15:48
Last Modified: 08 Jun 2010 10:07
URI: http://shura.shu.ac.uk/id/eprint/1035

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