Studies on Strength and Related Properties of Concrete Incorporating Aggregates from Demolished Wastes: Part 1—A Global Perspective

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Author(s)

Shodolapo Oluyemi Franklin¹, Mmasetlhomo Tommy Gumede²

Affiliation(s)

¹Department of Civil Engineering, Faculty of Engineering and Technology, University of Botswana, Gaborone, Botswana.
²Norvels (Pty) Ltd T/A Engineers International, G. West Industrial, Gaborone, Botswana.

ABSTRACT

The present study addresses the global concern of sustainability in building and construction engineering and how to an extent the use of demolished aggregate wastes in concrete production contributes towards ameliorating or minimizing the problem. The influence of demolished aggregate waste on the mechanical strength and stiffness of concrete are examined from the standpoint of the compressive, split tensile and flexural strengths as well as the modulus of elasticity of the concrete. In this respect the research carried out by previous investigators are noted. It is observed that in the Southern African region in general and Botswana in particular there is a paucity of studies on the subject, and consequently, it is concluded that further investigations need to be conducted utilizing aggregates derived from local wastes or sources.

KEYWORDS

Sustainability, Demolished Aggregates, Wastes, Concrete, Strength

Cite this paper

Franklin, S. and Gumede, M. (2014) Studies on Strength and Related Properties of Concrete Incorporating Aggregates from Demolished Wastes: Part 1—A Global Perspective. Open Journal of Civil Engineering, 4, 311-317. doi: 10.4236/ojce.2014.44026. 

 

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