[Mise en œuvre de la procédure c-phi de réduction des paramètres de résistance dans le code Cast3M pour le calcul de la stabilité des murs de soutènement dans le remblai stratifié par analyse elements finis elasto-plastique en utilisant les données de terrain]
Cet article présente une implémentation de la procédure de réduction c-phi dans le code aux éléments finis Cast3M. Cette procédure est d’abord validée sur un exemple simple de capacité portante d’une semelle filante, puis utilisée pour évaluer le facteur de stabilité d’une structure géotechnique composée de deux niveaux de remblai retenus par deux murs de soutènement, avec une route construite sur le dessus du second remblai. Les résultats de la procédure de réduction c-phi pour la construction du premier et du second remblai sont également comparés à d’autres méthodes d’analyse classiquement utilisées en géotechnique et aux résultats des calculs par éléments finis.
This paper presents an implementation of the c-phi reduction procedure in the finite element code Cast3M. This procedure is first validated on a simple example of bearing capacity of a strip footing and then used to evaluate the stability factor of a geotechnical structure composed of two levels of backfill retained by two retaining walls, with a road built on the top of the second backfill. The results of the c-phi reduction procedure for the construction of first and second backfill are also compared to other analysis methods classically used in geotechnics and to the results of finite element calculations.
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Mot clés : Mise en œuvre, Procédure de réduction c-phi, Code Cast3M, Facteur de stabilité, Structure géotechnique, Calculs par éléments finis
Zoa Ambassa 1, 2 ; Jean Chills Amba 1, 2 ; Nandor Tamaskovics 3
@article{CRMECA_2023__351_G2_485_0, author = {Zoa Ambassa and Jean Chills Amba and Nandor Tamaskovics}, title = {Implementation of the c-phi reduction procedure in {Cast3M} code for calculating the stability of retaining walls in the layered backfill with strength parameters reduction by elasto-plastic finite element analysis using fields data}, journal = {Comptes Rendus. M\'ecanique}, pages = {485--523}, publisher = {Acad\'emie des sciences, Paris}, volume = {351}, year = {2023}, doi = {10.5802/crmeca.230}, language = {en}, }
TY - JOUR AU - Zoa Ambassa AU - Jean Chills Amba AU - Nandor Tamaskovics TI - Implementation of the c-phi reduction procedure in Cast3M code for calculating the stability of retaining walls in the layered backfill with strength parameters reduction by elasto-plastic finite element analysis using fields data JO - Comptes Rendus. Mécanique PY - 2023 SP - 485 EP - 523 VL - 351 PB - Académie des sciences, Paris DO - 10.5802/crmeca.230 LA - en ID - CRMECA_2023__351_G2_485_0 ER -
%0 Journal Article %A Zoa Ambassa %A Jean Chills Amba %A Nandor Tamaskovics %T Implementation of the c-phi reduction procedure in Cast3M code for calculating the stability of retaining walls in the layered backfill with strength parameters reduction by elasto-plastic finite element analysis using fields data %J Comptes Rendus. Mécanique %D 2023 %P 485-523 %V 351 %I Académie des sciences, Paris %R 10.5802/crmeca.230 %G en %F CRMECA_2023__351_G2_485_0
Zoa Ambassa; Jean Chills Amba; Nandor Tamaskovics. Implementation of the c-phi reduction procedure in Cast3M code for calculating the stability of retaining walls in the layered backfill with strength parameters reduction by elasto-plastic finite element analysis using fields data. Comptes Rendus. Mécanique, Volume 351 (2023), pp. 485-523. doi : 10.5802/crmeca.230. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.5802/crmeca.230/
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