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\begin{document}

\title{GEOTECHNICAL CHARACTERISTICS OF SOME BORROW PITS AROUND AFE BABALOLA
UNIVERSITY, ADO-EKITI, SOUTH-WESTERN NIGERIA.}



\author[1]{Titilayo Owolabi}%
\affil[1]{Hong Kong University of Science and Technology}%


\vspace{-1em}



  
  \date{May 08, 2024}


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\begin{abstract}
This research work has analyzed the geotechnical characteristics of two
borrow pits around Afe babalola university. The research work was
carried out by collection of soil samples from borrowpit 1 (beside
Federal polytechnic, Ado-Ekiti, Nigeria) and borrowpit 2 (along Afe
Babalola farm, Ado-Ekiti, Nigeria) and taken to the laboratory for soil
test. The particle size analysis shows that the percentages passing
number 200 British Standard sieve are 22.18\% and 13.02\% for borrowpits
1 and 2 respectively. Atterberg limit results show that borrow pit 2 has
sandy particle sizes predominating. Hence the soil sample as a result of
its particle size composition happens to be a cohesionless soil with no
plasticity while pit 1 has liquid limit of 32.5\%, plastic limit of
27.77\%, plasticity index of 5\% and shrinkage limit of 5.8\%. The
natural moisture content for the soil samples are 5\% and 9.7\% for
borrowpit 1 and borrowpit 2 respectively. The specific gravity for
borrowpit 1 and borrowpit 2 are 2.67 and 2.60 respectively. The soaked
CBR value for the soil samples are 70\% and 66\%. The maximum dry
density for the soil samples are 1.82Mg/m3 and 2.0Mg/m3 for borrowpit 1
and borrowpit 2 respectively. While that of Optimum moisture content are
16.24\% and 13.5\% for borrowpit 1 and borrowpit 2 respectively. The
unconfined compressive strength (qu) for borrowpit 1 soil sample is
91.5kN/m2. The unconfined compressive strength of borrowpit 2 could not
be obtained as it is a sandy material. Hence borrowpit 1 can be
classified as A-2-4 material (silty or clayey gravel and sand) while
borrowpit 2 can be classified as A-3 material (fine sand).%
\end{abstract}%



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