Meshless Analysis of a box culvert resting on Modified Vlasov Foundation

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FOPA FOUDJI Marius; TAGOUDJEU Jacques; MINSILI LEZIN SEBA

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Journal Paper

Paper Information

Journal: JOURNAL OF NUMERICAL METHODS IN CIVIL ENGINEERING Year:2023 | Volume:7 | Issue:4 Page(s): 35-49

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Information Journal Paper

Title

Meshless Analysis of a box culvert resting on Modified Vlasov Foundation

Author(s)

FOPA FOUDJI Marius | TAGOUDJEU Jacques | MINSILI LEZIN SEBA | Issue Writer Certificate

Keywords

Box culvert

Winkler foundation

Modified Vlasov Founda-tion

RPIM

Kleinlogel’s formulas

Abstract

In this paper, the computational design of Box culverts are compared using Kleinlogel’s formulas and three-dimensional models based on Winkler and Modified Vlasov Foundation (MVF) by Radial Point Interpolation method (RPIM). In order to extend the RPIM to the study of Box culverts, a method of decomposition is made by subdomain and creation of a fictitious rotation. Similar results are observed between the RPIM_Winkler and STAAD PRO (FEM software), with fewer nodes in the case study. Kleinlogel’s formulas or the Winkler model gives a maximal increase in stresses at the middle of the raft of 5% and 12 times increased displacement. Finally, it emerges that for the same type of soil and a single structure, the reaction and shear modulus of the soil is highly depends on the distribution of loads on the structure.

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