https://doi.org/10.15255/KUI.2012.002
Published: Kem. Ind. 62 (3-4) (2013) 65–70
Paper reference number: KUI-02/2012
Paper type: Professional paper
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Performance of Cement Containing Laterite as Supplementary Cementing Material

S. Z. A. Bukhari, A. H. Chaudhry, M. N. Iqbal and R. U. H. Siddiquib

Abstract

The utilization of different industrial waste, by-products or other materials such as ground granulated blast furnace slag, silica fume, fly ash, limestone, and kiln dust, etc. as supplementary cementing materials has received considerable attention in recent years. A study has been conducted to look into the performance of laterite as Supplementary Cementing Materials (SCM). The study focuses on compressive strength performance of blended cement containing different percentage of laterite. The cement is replaced accordingly with percentage of 2 %, 5 %, 7 % and 10 % by weight. In addition, the effect of use of three chemically different laterites have been studied on physical performance of cement as in setting time, Le-Chatlier expansion, loss on ignition, insoluble residue, free lime and specifically compressive strength of cement cubes tested at the age of 3, 7, and 28 days. The results show that the strength of cement blended with laterite as SCM is enhanced.

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Keywords

Portland cement, supplementary cementing materials (SCM), laterite, compressive strength