Author(s)

Papa Sanou Faye¹, Issa Ndoye¹, Mapathé Ndiaye¹, Abib Tall¹, Ibrahima Khalil Cissé², Jean Pierre Magnan^3,4

¹Laboratoire de Mécanique et Modélisation, UFR Sciences de l’Ingénieur, Université de Thiès, Thiès, Sénégal.
²Laboratoire de Matériaux, Mécanique et Hydraulique, Ecole Polytechnique de Thiès, Thiès, Sénégal.
³Département de Géotechnique, Environnement, Risques Naturels et Sciences de la Terre (GERS), Marne-la-Vallée, France.
⁴Institut Français des Sciences et Technologies des Transports, de l’Aménagement et des Réseaux (IFSTTAR), Marne-la-Vallée, France.

The disorders caused by the swelling of the soil on the structures have been observed for several years in the city of Rufisque. This article presents the results of the study of swelling kinetics of expansive soils in Rufisque and their prediction based on the hyperbolic rule. The odometer is used as an instrument for measuring swelling and the tests are carried out on some intact samples at their sampling water content. The present study shows that in Rufisque the most swelling layer is marl. The results show two phases of development. The first phase is very fast and represents 77% of the final deformation and the second one is slower. The prediction of the issue by the hyperbolic rule shows that it underestimates the first phase but gives a good prediction of the second phase of the swelling rate. There is a good correlation between the final swelling rates. However, the model gives a bad approximation of the half-swelling time.

Marls, Marls Clays, Clays, Kinetic, Swelling, Expansive Soils, Hyperbolic Rule, Rufisque

Faye, P. , Ndoye, I. , Ndiaye, M. , Tall, A. , Cissé, I. and Magnan, J. (2017) Prediction of Swelling Kinetics of Expansive Soils of Rufisque (Senegal, West Africa). Open Journal of Civil Engineering, 7, 267-281. doi: 10.4236/ojce.2017.72017.