Análisis numérico de los esfuerzos verticales en el paramento de un muro de tierra reforzada en suelo diabásico

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Document typeConference lecture
Defense date2011
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Abstract
The paper presents a numerical analysis of the service behaviour of a reinforced soil wall constructed in a diabasic soil. A 2D model developed through the Finite Element Method (FEM) using the commercial computer software PLAXIS has been developed for this purpose. This model has been applied to the case of a 6 meters high wall constructed on a diabasic, lateritic and porous underlying soil, common to the region of Campinas (São Paulo, Brazil). The geotechnical properties of this soil have been quantified for different compaction levels. In particular the vertical stresses in the front structure of the wall have been analyzed. The results show that variations in the soil stiffness and of the structure elements geometry cause significant variations of the stress-strain state and the forces that are generated.
Mediante el desarrollo de un modelo numérico 2D por el método de los elementos finitos (M.E.F.) con el programa comercial de ordenador PLAXIS se ha modelado el comportamiento en servicio de muros de tierra reforzada. Este modelo se ha aplicado al caso de un muro de 6 metros de altura ejecutado en suelo del diabásico, laterítico y poroso, común en la región de Campinas (São Paulo, Brasil), con propiedades resistentes variables que se han cuantificado según diferentes niveles de compactación. Utilizando este modelo se ha estudiado, en particular, el estado tensional en el paramento del muro. Los resultados más relevantes de dicho análisis, presentados en este documento, muestran que variaciones tanto en la rigidez del terreno como en la geometría de los elementos constructivos provocan cambios significativos en el estado tenso-deformacional y en de los esfuerzos que se generan.
CitationPuig, I. [et al.]. Análisis numérico de los esfuerzos verticales en el paramento de un muro de tierra reforzada en suelo diabásico. A: Pan-Am CGS Geotechnical Conference. Pan-American Conference on Soil Mechanics and Geotechnical Engineering. Canadian Geotechnical Conference. Pan-American Conference on Teaching and Learning of Geotechnical Engineering. "4th Pan-American conference on soil mechanics and geotechnical engineering. 64th Canadian geotechnical conference. 5th Pan-American conference on teaching and learning of geotechnical engineering. Geo-Innovation addressing global challenges". Toronto: 2011, p. 1-9.
ISBN978-0-920505-47-2
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