Numerical and experimental assessment of the soil-structure interaction effect of a building in the Brazilian central area

Renato P. Cunha, Thelma T. Cámbar

In the proceedings of: GEO2011: 64th Canadian Geotechnical Conference, 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, 5th Pan-American Conference on Teaching and Learning of Geotechnical Engineering

Session: Deep Foundations

ABSTRACT: The study of the soil-structure interaction (SSI) in buildings is commonly neglected in superstructure calculations, in other words, the supports, or the foundations, in such structural programs are considered fixed, leading to a rigidity equal to infinity. Therefore, the soil-structure interaction in building design has been the objective of a thesis from the University of Brasília, to be summarized in the present paper. The paper describes the results and problems during the experimental works and related numerical analyses of the structure. The gained experience and knowledge is of value to those interested in calculating the structural behaviour of buildings with the proper incorporation of soil-foundation interaction & geotechnical 3D foundation effects. PRESENTACIONES TÉCNICAS La investigación de la interacción sueloestructura (SSI) en edificaciones es normalmente despreciada en cálculos de superestructura, en otras palabras, los apoyos, o las cimentaciones, en estos programas estructurales son considerados empotrados, causando una rigidez igual al infinito. Por lo tanto, el uso de la interacción sueloestructura en el diseño de edificios fue el principal objetivo de una tesis de la Universidad de Brasília, a ser resumida en este artículo. La experiencia y conocimiento ganados aquí son de gran valía aquellos interesados en calcular el comportamiento estructural de edificios con la correcta incorporación de la interacción suelo-cimentación & el efecto geotécnico 3D de las fundaciones.

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