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Geotechnical and Mineralogical Characterization of Soils Derived from Schist along Shango-Chanchaga Highway, Minna, Central Nigeria

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DOI: 10.4236/jmmce.2013.16056    4,058 Downloads   5,237 Views   Citations

ABSTRACT

Geotechnical studies were carried out on soils from Shango-Chanchaga highway in Minna, in relation to the petrographic characteristics of the parent rock. Samples were obtained from 5 trial pits at 1 km interval for geotechnical analysis. The moisture content varies from 35.0% to 58.5%, liquid limit ranges from 29.0% to 43.0%, plastic limit ranges between 9.0% and 26.5%, while plasticity index ranges from 12.0 to 33.5. The optimum moisture content (OMC) ranges from 12.0 to 14.0, and California Bearing Ratio (CBR) ranges from 2 to 21. The diffractograms showed that the dominant minerals were clinochore (Mg,Fe)6(Si,Al)4O10(OH)8, quartz (SiO2), cordierite (Mg2Al4Si5O18Ar0.625), and albite (Na0.98Ca0.02Al1.02Si2.98O18). The results showed that there exists a relationship between the mineral composition, the texture of the rock, and the geotechnical characteristics of the soil types.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

S. Waziri, A. Idris-Nda, I. Amoka and Y. Ishaq, "Geotechnical and Mineralogical Characterization of Soils Derived from Schist along Shango-Chanchaga Highway, Minna, Central Nigeria," Journal of Minerals and Materials Characterization and Engineering, Vol. 1 No. 6, 2013, pp. 363-366. doi: 10.4236/jmmce.2013.16056.

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