Analysis of a braced excavation in soft soils considering the consolidation effect

• Tipo: Artigo em Revista Científica Internacional
• Data: 2007

Autores

Pedro Alves Costa (Autor) FEUP; José Leitão Borges (Autor) FEUP; Manuel Matos Fernandes (Autor) FEUP

Revista

Título: Geotechnical and Geological Engineering

Vol. 25 Nº 6

Páginas: 617-629

ISSN: 0960-3182

Indexação

ISI Web of Knowledge

Scopus - 18 Citações

INSPEC

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia civil

CORDIS: Ciências Tecnológicas > Engenharia > Engenharia civil > Geotecnia

Outras Informações

ID Authenticus: P-007-JX9

DOI: 10.1007/s10706-007-9134-7

Abstract (EN): The studies of excavations in soft clayey soils are normally based on undrained total stress analyses. A better approach consists of taking into account the effects of consolidation during the excavation-bracing process and after the completion of the construction by means of coupled finite element analyses in effective stresses. In this paper, the geotechnical behaviour of a braced excavation in the soft soils of San Francisco (USA) is analysed, both during and after the construction period. Numerical analyses are performed with a finite element program, which incorporates the Biot consolidation theory (coupled formulation of the water flow and equilibrium equations) and soil constitutive relations simulated by the p-q-ο, critical state model. Numerical results are compared with field results. © Springer Science+Business Media B.V. 2007.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 13