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Review of Energy Technologies and Policy Research

June 2017, Volume 3, 1, pp 24-32

Effect of Local Admixture Ipomoea Asarifolia (Ajara) on the Strength Characteristics of Stabilized and Unstabilized Lateritic Blocks

Ogunjimi, L. A. O.


Alabi, F. S.


Adepoju T. F.


Agbonjinmi, O. S.


Offiong, U. D.


Osunade, J. A.

Ogunjimi, L. A. O. 1 ,

Alabi, F. S. 2
Adepoju T. F. 3
Agbonjinmi, O. S. 1 Offiong, U. D. 1 Osunade, J. A. 1 
  1. Department of Agricultural and Environmental Engineering, Akwa-Ibom State University, Ikot Akpaden, Mkpat Enin L.G.A, Akwa-Ibom State, Nigeria 1

  2. African Institute for Science Policy and Innovation, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria 2

  3. Department of Chemical/Petroleum Engineering, Akwa-Ibom State University, Ikot Akpaden, Mkpat Enin L.G.A, Akwa-Ibom State, Nigeria 3

Pages: 24-32

DOI: 10.18488/journal.77.2017.31.24.32

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Article History:

Received: 10 April, 2017
Revised: 24 May, 2017
Accepted: 12 July, 2017
Published: 21 August, 2017


This paper presents a summary of the results of a study on the use of a local admixture Ipomoea asarifolia (‘Ajara’) on the compressive strength and weight of specimens made from both cement stabilized and unstabilized lateritic soils. The effect of Ipomoea asarifolia extractions on the strength characteristic of lateritic blocks was investigated. Three mix proportions of cement:  laterite of 0:1, 1:2 and 1:4 using lateritic soils from four different locations from around Ife while using six concentration levels of extracted liquid of Ipomoea asarifolia (0; 20; 40; 60; 80 and 100%) in fresh water as the mixing “water” (fluid). Ipomoea asarifolia specimen was analyzed to determine constituent chemical composition and their effect in reaction with other materials. Sieve analysis of the lateritic of the lateritic soil mix was carried out while a total of 132 – 100 mm cubes size were tested using a 1570 kN Avery-Denison Compression Testing Machine.

Contribution/ Originality


Masonry units, Non-load bearing block, Partition, Shrinkage, Stabilized, Unstabilized.




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This study received no specific financial support.

Competing Interests:

The authors declare that they have no competing interests.


The assistance of Professor Oyeboade Oyedapo and his Laboratory staff in the Department of Biochemistry, Obafemi Awolowo University, Ile-Ife, Nigeria is hereby acknowledged both for the use of his laboratory and in the final interpretation of the results obtained. Mr. Fehintola, my student in the Department of Agricultural and Environmental Engineering, Obafemi Awolowo University, Ile-Ife, who helped in the various laboratory works on this work, is also gratefully acknowledged.

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