Oluyemi-Ayibiowu, B.D., Omomomi, O.J. and Fadugba, O.G. 2022. GEOTECHNICAL INVESTIGATION OF OSOGBO-IWO ROAD COLLAPSIBLE SOIL’S CLAY FRACTION AND IMPROVEMENT USING BENTONITE. Journal of Civil Engineering, Science and Technology. 13, 2 (Aug. 2022), 97-111. DOI:https://doi.org/10.33736/jcest.4090.2022.