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World Journal of Engineering Research and Technology

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Engineering Research and Technology

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

ISSN 2454-695X

Impact Factor : 7.029

ICV : 79.45

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Abstract

FAILURES AND STRUCTURAL STABILITY OF FLEXIBLE PAVEMENT (CASE STUDY OF UGBOR-AMAGBA ROAD BENIN CITY, EDO STATE, NIGERIA)

*Ikri Samuel Obokparo and Jonathan Abulime

ABSTRACT

The project investigates the primary causes of Flexible Pavement failures and provides viable solution (a case study on Ugbor-Amagba Road) as well as quality control. Various test were carried out on soil samples collected from failed areas of the road such as CBR test, Sieve analysis (for particle size distribution), Compaction test, Marshall Stability and Coring test amongst others. The foundational failures of the road pavement observed are caused by excess ground water penetration from the wearing course into the base and sub-base courses. Geotechnical properties of the soil were also responsible for the failure of the road pavement such as inadequate compaction, water infiltration through edge break or deflection and lack of adequate drainage system and unsuitable underlying soils.

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