Numerical Modelling Study of the Effect of Artificial Cementation on the Mechanical Behaviour of Sandy Soil

Abdulla AL-Rashidi^1, , Saad Almutairi¹ and Talal Almutairi¹

¹Department of Civil Engineering, Public Authority for Applied Education and Training, Kuwait

Cite this paper:
Abdulla AL-Rashidi, Saad Almutairi and Talal Almutairi. Numerical Modelling Study of the Effect of Artificial Cementation on the Mechanical Behaviour of Sandy Soil. American Journal of Civil Engineering and Architecture. 2022; 10(1):8-15. doi: 10.12691/ajcea-10-1-2

Abstract

Soil stabilization and improvement are important issues in the field of geotechnical engineering. The use of artificial cementation has proven to be one of the most effective methods for resolving geotechnical engineering problems, including soil improvement techniques. In this study, the behaviour of artificially cemented sand is examined with the finite element method, using COMSOL Multiphysics 5.6 software. The influence on mechanical behaviour when adding different amounts of Portland cement is numerically investigated. The results showed induced cementation between soil particles can be realized by increasing strength parameters such as cohesion and angle of internal friction, which denote the stress-strain behaviour of tested soil samples. In addition, the use of Portland cements has a significant impact on the soil’s behaviour in terms of plastic strain. It is also recommended to apply the soil stabilization methods to deal with various geotechnical aspects such as weak soil layers and slope stability issues.

Keywords:
soil stabilization artificial cementation finite element methods cohesion stress-strain behavior plastic strain

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