OPTIMIZATION OF COMPRESSIVE STRENGTH AND WATER ABSORPTION OF LATERITE CONCRETE INCORPORATING GUINEA CORN HUSK ASH AS PARTIAL REPLACEMENT OF CEMENT
Abstract
Guinea corn husk (GCH) is an agricultural waste that is common in the northern parts of Nigeria. In this study, GCH was incinerated at a temperature up to 6000C to form Guinea corn husk ash (GCHA). Laterite was used as a partial replacement for fine aggregate. GCHA was to mitigate the environmental nuisance caused by the waste and to reduce carbon dioxide emissions that come with cement production. Laterite soil was considered a possible replacement for the depleted river sand in the Abuja environs. The oxides composition of GCHA from X-RF tests indicated a combined percentage of silicon oxide, aluminum oxide and iron oxide of 86.38% which is above 70% minimum specified for a pozzolana. The X-RD tests results shows an abundance of quartz crystals of 63%, 41%, 48%, and 59% with Kaolinite and Iron oxides. Also the XRF results shows an abundance of aluminium (43.05%), iron (22.67%) and silicon oxide (12.92%) respectively. The presence of quartz shows and indicate that the soil is well weathered and well drained and thus indicate laterite in them. The hydrometer analysis also gave 92.218% sand, 3.672% silt, 0.11% clay and 0% gravel. Scheffe’s third-degree polynomial was used for optimisation in obtaining the optimum compressive strength and water absorption with the corresponding mix ratios. The results showed that an optimum strength of 21.3841N/mm2 was obtained for a mix ratio of 0.55878: 0.5231: 0.3341: 0.1429: 1.0000 and 2.0000 for water, cement, GCHA, fine aggregate, laterite and coarse aggregate respectively. The minimum water absorption value was 10.229% for a mix ratio of 0.5658: 0.5911: 0.1363: 0.2727: 1.000: 2.000 for the six materials earlier listed.
KEYWORDS: Guinea Corn, Laterite, Pozzolana, Compressive strength, Water Absorption.
--Full Text:
PDFReferences
E.E Ndububa, et al.“Sheffe’s Polynomial Optimisation of Laterite Concrete incorporating Periwinkle Shells and Coir”pp. 2, 2023.
Nature Journal, “Concrete needs to lose its colossal footprint” vol.597, pp. 593-594, 2021. DOI:10.1038/ d41586-021-02612-5.
U.C Anya “Models for predicting the structural characteristics of Sand-quarry dust block” Phd thesis Department of Civil engineering, University of Nigeria Nsukka, 2015.
E.E Ambrose, D.U Ekpo, I.M Umoren, U.S Ekwere. “Compressive Strength and Workability of Laterized Quarry Sand Concrete”.Nigerian Journal of Technology Vol. 37, No. 3 pp 605-610, July 2018
E.E Ndububa and N. Yakubu. “Effect of Guinea Corn Husk Ash as Partial Replacement for Cement in Concrete”, (IOSR-JMCE), Volume 12, Issue 2 Ver. I pp 40-45, (Mar - Apr. 2015),
E.E Ndububa. “ Concrete from Alternative waste materials” DOI:http://dx.doi.org/10.5992/intechopen. Dec. 2022.
A. S. A. T. Measurements, ASTM C1240-20 Standard Specification for Silica Fume used in Cementitious Mixtures. West Conshohocken, PA: ASTM International; 2020.
F. Faluyi, C. Arum, O. Adetayo. “Effects of Partial replacement of sand with laterite on
compressive strength of OPC-activated Rice husk Ash (ARHA) Concrete”(2024)
A. S. A. T. Measurements, ASTM C618–22 Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete. West Conshohocken, PA: ASTM International; 2022.
British Standards, BS 1881 Part 102, “Method of Determination of Workability”
(London: British Standard Institution, 1983).
European Standards ENV 206: 1992.” Concrete: Performance, Production, Placing, and Compliance Criteria” (Brussels: European
Standards ENV, 1992)
Y.L. Jan, S.C. Tsai, Y.Y. Wei, N.C. Tung, C.C. Wei, C.N. Hsu. “Coupled mechanics, hydraulics and absorption properties of mixtures to evaluate buffer/backfill materials”. Phys. Chem. Earth, 32 98-14), (2007).
A. Marto, N. Latifi, A. Eisazadeh. “Effect of non-traditional additives on engineering
and microstructural characteristics of laterite soil”, Arab J. Sci. Eng., 39 (10), pp 6949-6958, (2014)
A. Maiti, B.K. Thakur, J.K. Basu, S. De”. Comparison of treated laterite as arsenic
adsorbent from different locations and performance of best filter under field conditions”. J Hazard. Mater., 262. Pp 1176-1186, (2013).
E.E Ndububa, S.O Ochuluje,. “A computational assessment of the deflection and shear improvement of concrete beam with laterite”. An Asian journal of civil engineering, ;23:173-186-2022.
Refbacks
- There are currently no refbacks.
Copyright © 2022-2025. Department of Civil Engineering, Nnamdi Azikiwe University. All Rights Reserved..