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A Novel Approach to Simulate Cone Penetration Test Using Conventional FEM

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Abstract

Large deformation problems (LDPs) in geotechnical engineering are solved using advanced large deformation finite element (LDFE) formulations like coupled Eulerian–Lagrangian, arbitrary Lagrangian–Eulerian, material point method, remeshing and interpolation technique by small strain, etc. The LDFE formulation solutions are time-consuming compared to the conventional finite element method (FEM). In the study, the inefficiency of the conventional FEM to solve LDPs is highlighted and a new methodology is proposed and used to address a typical LDP, i.e., cone penetration (CP) test. The CP test in sand and clay is simulated using PLAXIS 2D program. The proposed methodology can represent the numerical simulations of continuous penetration of the cone using conventional FEM. In the proposed methodology, a reduction factor is introduced to represent the variation of ultimate resistance of the cone when continuously penetrated in the soil. The present study results are compared with those results available in the literature to assess the suitability of the proposed methodology for solving a typical LDP in geotechnical engineering i.e., CP test.

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The data and materials in this paper are available on request made directly to the corresponding author.

Abbreviations

A :

Cross-section area of embedded cone

c :

Cohesion of soil

d c :

Diameter of cone

E :

Modulus of elasticity

F :

Resistance force

h c :

Height of cone

r c :

Radius of cone

R int :

Interface strength between cone shaft and soil

S u :

Undrained shear strength of clay

w :

Cone displacement

α :

Apex angle of cone

γ :

Unit weight

ν :

Poisson’s ratio

ϕ :

Friction angle of soil

ψ :

Dilation angle of soil

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Acknowledgements

The authors express thanks to the Seed Money program of SVNIT Surat, India for providing the financial support to carry out this research work. Grant No. Dean(R&C)/Seed Money/2020-2021/1476.

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KC acquired methodology and software and contributed to investigation and data curation, writing—original draft. JTC acquired supervision, contributed to conceptualization and methodology and writing—reviewing and editing

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Correspondence to Jitesh T. Chavda.

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Chouhan, K., Chavda, J.T. A Novel Approach to Simulate Cone Penetration Test Using Conventional FEM. Geotech Geol Eng 41, 1439–1451 (2023). https://doi.org/10.1007/s10706-022-02346-9

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  • DOI: https://doi.org/10.1007/s10706-022-02346-9

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