Preloading design based on long term extensometer readings. A comparison of alternative models

E. Alonso; A. Gens; R. Madrid; D. Tarragó

Preloading design based on long term extensometer readings. A comparison of alternative models

E. Alonso, A. Gens, R. Madrid, D. Tarragó

Resultado de la investigación: Capítulo del libro/informe/acta de congreso › Capítulo › revisión exhaustiva

Resumen

The paper describes the analysis of a large scale preloading test aimed at determining precisely soft soil properties in a deltaic area. Deep continuous extensometers provided the key information to validate the settlement models. Two alternatives: an elastoplastic 2D plane strain FE model and a one dimensional consolidation model were used to reproduce the long term deformation records, including an unloading stage. The two models were then used to predict the behaviour of the soil under the project service loading

Idioma original	Inglés
Título de la publicación alojada	New Techniques on Soft Soils
Editores	Márcio Almeida
Estado	Publicada - 2018
Publicado de forma externa	Sí

Palabras Clave

Suelo blando
asentamiento
fluencia
precarga
Ensayos in situ

Citar esto

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AB - The paper describes the analysis of a large scale preloading test aimed at determining precisely soft soil properties in a deltaic area. Deep continuous extensometers provided the key information to validate the settlement models. Two alternatives: an elastoplastic 2D plane strain FE model and a one dimensional consolidation model were used to reproduce the long term deformation records, including an unloading stage. The two models were then used to predict the behaviour of the soil under the project service loading

KW - Suelo blando

KW - asentamiento

KW - fluencia

KW - precarga

KW - Ensayos in situ

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