ISSN 1119-4618
 

Original Article 


PRELIMINARY GEOLOGICAL INVESTIGATION INTO THE CAUSES OF FOUNDATION FAILURE IN JALINGO, NORTHEAST NIGERIA

Andarawus Yohanna, Nuhu Degree Umar, Josiah Nuhu Jabbo, Sakunga S. Galumje, Ahmad Ibrahim Aliyu.

Abstract
Post foundation study for the preliminary causes of cracks on buildings at the Central Bank of Nigeria (old site) Jalingo branch, Northeast Nigeria, was carried out using a geophysical approach and groundwater level monitoring. The geophysical survey method employed was the electrical resistivity method. Vertical electrical sounding (VES) was carried out using a Schlumberger electrode array with a maximum half current electrode separation of 20m, vertical electrical sounding (VES) was carried out. The VES results revealed the presence of three (3) geoelectric subsurface layers in the area, namely clayey-sand, fractured/weathered basement, and crystalline basement. The resistivity of the clayey-sand varies from 45-210 Ωm, while that of fractured/weathered basement varies from 305 - 5858 Ωm and that of the crystalline basement varies from 1000-10075 Ω-m with corresponding thicknesses ranging from 0.5 - 2.3 m, 0.2 - 6 m, 2.6 – 4 m to an infinite depth respectively. The study area's field curves were analysed; H and Q-curve types with 35.7% and 64.3%, respectively. Iso-resistivity delineation at 0.5 m, 1.5 m and 3 m showed that the region with high resistivity corresponding to the crystalline basement is found in the northeastern part of the study area and is most suitable for the foundation. The results show that the investigated building was sited within the incompetent clayey-sand layer with resistivity generally less than 200 ῼm.

Key words: Vertical electrical sounding; Hydraulic head; Resistivity; Geoelectric section; Static water level.


 
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How to Cite this Article
Pubmed Style

Yohanna A, Umar ND, Jabbo JN, Galumje SS, Aliyu AI, . PRELIMINARY GEOLOGICAL INVESTIGATION INTO THE CAUSES OF FOUNDATION FAILURE IN JALINGO, NORTHEAST NIGERIA. JPAS. 2022; 22(2): 432-443. doi:10.5455/sf.106032


Web Style

Yohanna A, Umar ND, Jabbo JN, Galumje SS, Aliyu AI, . PRELIMINARY GEOLOGICAL INVESTIGATION INTO THE CAUSES OF FOUNDATION FAILURE IN JALINGO, NORTHEAST NIGERIA. https://www.atbuscienceforum.com/?mno=106032 [Access: May 27, 2023]. doi:10.5455/sf.106032


AMA (American Medical Association) Style

Yohanna A, Umar ND, Jabbo JN, Galumje SS, Aliyu AI, . PRELIMINARY GEOLOGICAL INVESTIGATION INTO THE CAUSES OF FOUNDATION FAILURE IN JALINGO, NORTHEAST NIGERIA. JPAS. 2022; 22(2): 432-443. doi:10.5455/sf.106032



Vancouver/ICMJE Style

Yohanna A, Umar ND, Jabbo JN, Galumje SS, Aliyu AI, . PRELIMINARY GEOLOGICAL INVESTIGATION INTO THE CAUSES OF FOUNDATION FAILURE IN JALINGO, NORTHEAST NIGERIA. JPAS. (2022), [cited May 27, 2023]; 22(2): 432-443. doi:10.5455/sf.106032



Harvard Style

Yohanna, A., Umar, N. D., Jabbo, J. N., Galumje, S. S., Aliyu, A. I. & (2022) PRELIMINARY GEOLOGICAL INVESTIGATION INTO THE CAUSES OF FOUNDATION FAILURE IN JALINGO, NORTHEAST NIGERIA. JPAS, 22 (2), 432-443. doi:10.5455/sf.106032



Turabian Style

Yohanna, Andarawus, Nuhu Degree Umar, Josiah Nuhu Jabbo, Sakunga S. Galumje, Ahmad Ibrahim Aliyu, and . 2022. PRELIMINARY GEOLOGICAL INVESTIGATION INTO THE CAUSES OF FOUNDATION FAILURE IN JALINGO, NORTHEAST NIGERIA. Science Forum (Journal of Pure and Applied Sciences), 22 (2), 432-443. doi:10.5455/sf.106032



Chicago Style

Yohanna, Andarawus, Nuhu Degree Umar, Josiah Nuhu Jabbo, Sakunga S. Galumje, Ahmad Ibrahim Aliyu, and . "PRELIMINARY GEOLOGICAL INVESTIGATION INTO THE CAUSES OF FOUNDATION FAILURE IN JALINGO, NORTHEAST NIGERIA." Science Forum (Journal of Pure and Applied Sciences) 22 (2022), 432-443. doi:10.5455/sf.106032



MLA (The Modern Language Association) Style

Yohanna, Andarawus, Nuhu Degree Umar, Josiah Nuhu Jabbo, Sakunga S. Galumje, Ahmad Ibrahim Aliyu, and . "PRELIMINARY GEOLOGICAL INVESTIGATION INTO THE CAUSES OF FOUNDATION FAILURE IN JALINGO, NORTHEAST NIGERIA." Science Forum (Journal of Pure and Applied Sciences) 22.2 (2022), 432-443. Print. doi:10.5455/sf.106032



APA (American Psychological Association) Style

Yohanna, A., Umar, N. D., Jabbo, J. N., Galumje, S. S., Aliyu, A. I. & (2022) PRELIMINARY GEOLOGICAL INVESTIGATION INTO THE CAUSES OF FOUNDATION FAILURE IN JALINGO, NORTHEAST NIGERIA. Science Forum (Journal of Pure and Applied Sciences), 22 (2), 432-443. doi:10.5455/sf.106032