American Journal of Civil Engineering and Architecture
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American Journal of Civil Engineering and Architecture. 2016, 4(2), 54-61
DOI: 10.12691/ajcea-4-2-3
Open AccessArticle

Strength of Laterite Rock Concrete

Ephraim M. E.1, Adoga E.A.2 and Rowland-Lato E. O.3,

1Department of Civil Engineering, Rivers State University of Science and Technology, Port-Harcourt, Nigeria

2Department of Civil Engineering, Auchi Polythechnic, Auchi, Edo State, Nigeria

3Department of Civil Engineering, University of Port Harcourt, Port Harcourt, Nigeria

Pub. Date: March 05, 2016

Cite this paper:
Ephraim M. E., Adoga E.A. and Rowland-Lato E. O.. Strength of Laterite Rock Concrete. American Journal of Civil Engineering and Architecture. 2016; 4(2):54-61. doi: 10.12691/ajcea-4-2-3


This paper presents the results of laboratory tests conducted to investigate a concrete made with laterite rock coarse aggregates. The structural properties considered were strength and elasticity. Laterite concrete mix proportions of 1:3:6, 1:2:4 1:1½:3 by weight of cement, river sand and laterite rock respectively at varying water/cement ratios of 0.55-0.90 were used. The results established an optimum water/cement ratio of 0.75, 0.60 and 0.55; with characteristic strengths of 12.00N/mm2,18.69N/mm2 and 22.88N/mm2 for mix 1:3:6, 1:2:4 1:1½:3 respectively. Flexural and splitting test results were about 6 - 21% of the compressive strength of the laterite rock concrete. The static modulus elasticity of laterite rock concrete is 22.72kN/mm².

strength impact workability concrete laterite rock

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