International Journal of Advanced and Applied Sciences
Int. j. adv. appl. sci.
Print ISSN: 2313-626X
Volume 4, Issue 8 (August 2017), Pages: 50-55
Title: Pavement construction using self-compacting concrete: Mechanical properties
Author(s): Busari Ayobami 1, *, Akinmusuru Joseph 1, Dahunsi Bamidele 2, Ofuyatan Tokunbo 1, Ngene Ben 1
1Department of Civil Engineering, Covenant University, Ota Ogun State, Nigeria
2Department of Civil Engineering, University of Ibadan, Ibadan, Nigeria
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This experimental study assessed the strength properties of some selected Portland limestone cement for self-compacting concrete in pavement construction. Self-compacting concrete offers many advantages in the construction world but its utilization in pavement construction is low. To achieve the aim of this research, four brands of grades (42.5 and 32.5) of the cement were used. Cement brands A, B, C and D were used in SCC samples tagged as SCC 1, 2, 3 and 4 respectively. To this end, rheological tests were carried out using the L-Box, V-Funnel and slump cone. Additionally, mechanical properties (compressive, split tensile and flexural strength) of the hardened concrete were evaluated. The compressive and flexural tests were determined at 3, 7, 14, 21 and 28, 56 and 91 days of curing. SCC 4 with Brand D showed the highest strength at 3 days but had the lowest at 28 days and 91 days. However, SCC 1 with brand A showed the highest strength at maturity. Additionally, the result showed that the percentage difference in the compressive strength of the SCC 1 and the other mixes were 27.6%, 27.7% and 40.7% while 18.1%, 27.5% and 42.1% increment was recorded for the flexural strength of SCC 1, SCC 2, and SCC 3 respectively. However, SCC 4 had the best rheological properties, though the lowest strength. A positive strong correlation was recorded for the mechanical properties of the SCC mixtures. Moreover, the relationship between the mechanical properties and age followed a logarithmic trend with R2 value that ranges from 0.86 to 0.977 which established the robustness. Ultimately, the result revealed that SCC 1 with brand A proved to be the most suitable for SCC in rigid pavement construction.
© 2017 The Authors. Published by IASE.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Keywords: Pavement, Cement brand, Cement grade, Strength grouping, Flexural, Compressive rheology
Article History: Received 3 February 2017, Received in revised form 8 July 2017, Accepted 8 July 2017
Digital Object Identifier:
Ayobami B, Joseph A, Bamidele D, Tokunbo O, and Ben N (2017). Pavement construction using self-compacting concrete: Mechanical properties. International Journal of Advanced and Applied Sciences, 4(8): 50-55
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