Article (Scientific journals)
Contribution of geoelectrical soundings and pedological wells to the estimation of the tonnage of lateritic gravels of the northern flank of Mount Bangou: implications for road construction
Foko Tamba, Carlos; Kengni, Lucas; Tematio, Paul et al.
2022In Environmental Earth Sciences, 81 (10), p. 24
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Keywords :
Estimation; Geophysical soundings; Lateritic gravels; Mount Bangou; Pedological wells; Proven reserves of lateritic gravels; Cameroon; Electrical resistivity methods; Geo-electrical sounding; Geophysical sounding; High potential; Lateritic gravel; Mount bangou; Pedological well; Proven reserve of lateritic gravel; Vertical electrical sounding; Global and Planetary Change; Environmental Chemistry; Water Science and Technology; Soil Science; Pollution; Geology; Earth-Surface Processes
Abstract :
[en] The increasing demands on lateritic gravels in road construction presently make it necessary to quantify the available resources that can be used in road construction. This study aims to estimate the tonnage and to valorize the lateritic gravels of the north flank of Mount Bangou (west Cameroon) in road construction. Interpretation of 48 vertical electrical soundings coupled with 20 pedological wells from five lateritic gravel sites was carried out to determine the thickness of the lateritic gravel level. The thickness of the lateritic gravel level obtained from the geoelectrical soundings is the greatest (8.88–12.45 m) compared to that obtained from the pedological wells (1.23–1.98 m), and thus shows the inadequacy of the pedological wells for the determination of the thickness of the lateritic gravels. Thus, the electrical resistivity method is appropriate to estimate the thickness of the lateritic gravel level. The lateritic gravels studied are characterized by the electrical resistivity curves of type K, HK, Q, QH, KQ, HKH, H, and KH. The medium-thick (8–36 m) and thick (13–44 m) zones are areas of high potential lateritic gravels. The proven reserves of lateritic gravels at the Chenye, Sekakouo, Bamendjou 1, Bamendjou 2, and Bangam sites are, respectively, 3,479,003 t, 1,389,522 t, 5,002,505 t, 839,455 t, and 2,663,105 t and can build, respectively, 53,298 m; 226,167 m; 131,574 m; 778,314 m and 401,068 m of road, either as a subgrade layer or sub-base layer.
Disciplines :
Civil engineering
Author, co-author :
Foko Tamba, Carlos  ;  Université de Liège - ULiège > Faculté des Sciences Appliquées > stage conv. Erasmus en sc. appl. ; Faculty of Science, Department of Earth Science, University of Dschang, Dschang, Cameroon
Kengni, Lucas;  Faculty of Science, Department of Earth Science, University of Dschang, Dschang, Cameroon
Tematio, Paul;  Faculty of Science, Department of Earth Science, University of Dschang, Dschang, Cameroon
Manefouet, Ilalie Bertile;  Faculty of Science, Department of Earth Science, University of Dschang, Dschang, Cameroon
Kenfack, Jean Victor;  Faculty of Science, Department of Earth Science, University of Dschang, Dschang, Cameroon
Language :
English
Title :
Contribution of geoelectrical soundings and pedological wells to the estimation of the tonnage of lateritic gravels of the northern flank of Mount Bangou: implications for road construction
Alternative titles :
[fr] Contribution des sondages géoélectriques et des puits pédologiques à l'estimation du tonnage des graviers latéritiques du flanc nord du Mont Bangou : implications pour la construction de routes.
Original title :
[en] Contribution of geoelectrical soundings and pedological wells to the estimation of the tonnage of lateritic gravels of the northern flank of Mount Bangou: implications for road construction
Publication date :
14 May 2022
Journal title :
Environmental Earth Sciences
ISSN :
1866-6280
eISSN :
1866-6299
Publisher :
Springer Science and Business Media Deutschland GmbH
Volume :
81
Issue :
10
Pages :
24
Peer reviewed :
Peer Reviewed verified by ORBi
Development Goals :
13. Climate action
Funding text :
The authors would like to thank the various chiefdoms of the Kong-Khi district and the highlands for their hospitality during the field investigations
Available on ORBi :
since 06 March 2023

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