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Abstract The aim of colouring concrete is to achieve some particular purposes such as decorative and architectural uses for satisfactory beautification, protection against the ravages of sun, wind and rain, prevention of water seepage, harmonization with surroundings or to give dis- tinction and contrasting colours. Among the different applications of coloured concrete are, runways of airports, tennis courts, swimming pools, walks, driveways, playgrounds, service station areas, monolithic concrete walls, cast stone, monumental structure and floors. To produce the desired colour in concrete fifferent methods are available such as adding coloured piW ~nts as ~dmixtures, using coloured aggregate or treating the surface of concrete by either paints or some salts which penetrate through the concrete. The pigment admixture method is the most extensively used among the various methods to colour concrete. The object of this research is to investigate the possibility of producing coloured mor~ar and concrete by |