Publications

• David Ufot Ekpo, Adeyemi Babayemi Fajobi, Adekemi Loretta Ayodele (2020) Response of two lateritic soils to cement kiln dust-periwinkle shell ash blends as road sub-base materials. International Journal of Pavement Research and Technology. https://dx.doi.org/10.1007/s42947-020-0219-5 (Scopus Indexed)

• DU Ekpo, AB Fajobi, AL Ayodele, RK Etim (2020) Potentials of cement kiln dust-periwinkle shell ash blends on plasticity of two selected tropical soils for use as sustainable construction materials. IOP Conference Series: Materials Science and Engineering. doi: 10.1088/1757-899X/1036/1/012033 (Scopus Indexed)

• Roland Kufre Etim, David Ufot Ekpo, Uduak Bassey Ebong, Idorenyin Ndarake Usanga (2021) Influence of periwinkle shell ash on strength properties of cement-stabilized lateritic soil. International Journal of Pavement Research and Technology. https://dx.doi.org/10.1007/s42947-021-00072-8  (Scopus Indexed)

• Etim, R.K., Attah, I.C., Ekpo, D.U., Usanga, I.N. (2021) Evaluation on Stabilization Role of Lime and Cement in Expansive Black Clay - Oyster Shell Ash Composite. Transportation Infrastructure Geotechnology. https://doi.org/10.1007/s40515-021-00196-1 (Scopus Indexed)

• Attah, I. C., Etim, R. K., Ekpo, D. U., Onyelowe, K. C. (2021) Understanding the impacts of binary additives on mechanical and morphological response of ameliorated soil for road infrastructures. Journal of King Saud University - Engineering Sciences. https://doi.org/10.1016/j.jksues.2021.12.001  (Scopus Indexed)

• Etim, R. K. Ekpo, D. U., Attah, I. C., Onyelowe, K. C. (2021) Effect of micro sized quarry dust particle on the compaction and strength properties of cement stabilized lateritic soil. Cleaner Materials. https://doi.org/10.1016/j.clema.2021.100023  (Scopus Indexed) 

• Etim, R. K., Ekpo, D. U., Etim, G.U., Attah, I. C.(2021) Evaluation of lateritic soil stabilized with lime and periwinkle shell ash (PSA) admixture bound for sustainable road materials. Innovative Infrastructure Solutionshttps://doi.org/10.1007/s41062-021-00665-z (Scopus Indexed)

• Attah, I. C. Etim, R. K., Alaneme, G. U., Ekpo, D. U., Usanga, I.N. (2021) Studies on optimization of mechanical properties and microstructural interaction of selected soil materials ameliorated with additives. Cleaner Materials [Under Review]

• Attah, I. C., Etim, R. K. and Ekpo, D. U. (2018) Behaviour of Periwinkle Shell Ash Blended Cement Concrete in Sulphuric Acid Environment. Nigerian Journal of Technology, 37 (2): 315 – 321. http://dx.doi.org/10.4314/njt.v37i2.5

• Ambrose, E. E.,Ekpo, D. U., Umoren, I. M. and Ekwere, U. S. (2018). Compressive Strength of Laterized Quarry Sand Concrete. Nigerian Journal of Technology. Vol. 37(3) pp. 605-610. (DOI: http://dx.doi.org/10.4314/njt.v37i3.7). 

• DU Ekpo, AB Fajobi, AL Ayodele, RK Etim (2020) Potentials of cement kiln dust-periwinkle shell ash blends on plasticity of two selected tropical soils for use as sustainable construction materials. IOP Conference Series: Materials Science and Engineering. doi: 10.1088/1757-899X/1036/1/012033

• Attah, I. C., Etim, R. K., Okafor, F. O., Usanga, I. N., Ekpo, D. U. (2021) The effectiveness of cement kiln dust-metakaolin mixtures on the plasticity and compaction performance of an expansive soil. In: Book of Abstracts Resilient Infrastructure and Built Environment Conference, 4-6th August, 2021, pp. 85

• Etim, R. K., Attah, I. C., Ekpo, D. U., Udofia, G. E. and Inyang, S. H. (2019) Effect of hydrated lime - periwinkle shell ash blend on geotechnical properties of residual lateritic soil for sustainable road construction. Proceedings of UICIVIL 2019, 10 – 12th July, 2019, pp. 69 – 80. ISBN: 978-978-310-596-5

• D. U. Ekpo, A. B. Fajobi and A. L. Ayodele (2019) Evaluation of Cement Kiln Dust-Periwinkle Shell ash blend on the compaction behaviour of lateritic soil for sustainable highway construction. Proceedings of the OAU Faculty of Technology Conference 2019. 22-25th September, 2019, pp. 207-213.

Presentations