SPATIAL VARIATION OF SOIL PROPERTIES WITHIN BAYERO UNIVERSITY KANO NEW CAMPUS
Publication Date : 01/08/2016
This paper studied the spatial variation of Geotechnical properties of soil samples within Bayero University Kano New Campus. Samples were taken within a radius of 500m across the campus at depths of 1.0m and 1.5m respectively. Laboratory analyses were conducted on the collected soil samples, in accordance with BS 1377: 1990. The results obtained from the laboratory analyses revealed significant variations in index (physical) and engineering properties. There is a percentage variation of 47.1% at 1.0m and 63.7% at 1.5m depths respectively for natural moisture content. Up to 95.6% variation for gravel, 91.9% for sand and 100% for fines. There is up to 18.8% variation in liquid limit, 53.4% in plastic limit, 66% in plasticity index and 21.6% in shrinkage limit. There is a little variation in maximum dry density and optimum moisture content at both depths. For the safe bearing capacity, there is a percentage variation of up to 44.9%. It was therefore concluded that there is the requirement for detailed soil investigation at any given site within the campus before construction work is started.
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