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2021 | OriginalPaper | Buchkapitel

Numerical Simulation of Swelling in Tunnels

verfasst von : Marco Barla, Alessandra Insana

Erschienen in: Challenges and Innovations in Geomechanics

Verlag: Springer International Publishing

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Abstract

Swelling of soils and rocks is a phenomenon that is experienced in different geological conditions around the world. The design of tunnels in a saturated swelling ground is a difficult task. Difficulties are generally met for characterisation and testing of swelling soils and rocks and for prediction of the response to tunnel excavation and support loading. This paper is intended to describe the methodology to predict the behaviour of tunnels in swelling ground with an application to a case study. Special triaxial laboratory tests were used to obtain the governing parameters. Numerical analyses were performed to simulate swelling by generating a volumetric strain increment in a given zone of the model based on the volumetric strain measured by laboratory tests.

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Vorheriges Kapitel On the Mechanisms of Impoundment-Induced Foundation Deformations of Super-High Arch Dams

Nächstes Kapitel Analysis of the Stability of Openings Excavated in Anisotropic Rocks

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Titel: Numerical Simulation of Swelling in Tunnels
verfasst von: Marco Barla
Alessandra Insana
Verlag: Springer International Publishing
Buch: Challenges and Innovations in Geomechanics
Print ISBN: 978-3-030-64517-5

Electronic ISBN: 978-3-030-64518-2

Copyright-Jahr: 2021
DOI: https://doi.org/10.1007/978-3-030-64518-2_42

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