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Geoengineering Investigation Of An Erosion Induced Highway Structural Failure Along Ifon – Benin Highway, Southwestern Nigeria

Author

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  • Olumuyiwa Olusola Falowo

    (Department of Civil Engineering Technology, Faculty of Engineering Technology, Rufus Giwa Polytechnic, P.M.B 1019, Owo, Ondo State, Nigeria)

  • Adekunle Aliu

    (Department of Civil Engineering Technology, Faculty of Engineering Technology, Rufus Giwa Polytechnic, P.M.B 1019, Owo, Ondo State, Nigeria)

Abstract

Road infrastructural is one of the most important economic indices for development of a country. Therefore in-situ cone penetration test and laboratory soil analysis were performed at two failed segments along Ifon-Benin highway, with the aim of determining cause(s) and extent of the failure. The cone penetration test was carried out to a depth of about 20 m with a lateral spacing of 20 m along the roadway. The laboratory tests conducted were grain size analysis, Atterberg limit test, compaction test, California Bearing Ratio, and undrained unconfined triaxial test. The results revealed that all the soil parameters fell short of the federal ministry of works and housing specification of Nigeria, with plasticity index (>20%), % fines (>35%), CBR values (

Suggested Citation

  • Olumuyiwa Olusola Falowo & Adekunle Aliu, 2020. "Geoengineering Investigation Of An Erosion Induced Highway Structural Failure Along Ifon – Benin Highway, Southwestern Nigeria," Earth Sciences Malaysia (ESMY), Zibeline International Publishing, vol. 4(1), pages 51-60, September.
    • Handle: RePEc:zib:zbesmy:v:4:y:2020:i:1:p:51-60
    DOI: 10.26480/esmy.01.2020.51.60
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