Some recent developments in the finite element analysis of shallow tunnels

H. F. Schweiger*, M. Kofler, H. Schuller

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

A constitutive model for soils including strain hardening plasticity and the so-called small strain behaviour for soils is presented. Some results from finite element simulations of shallow tunnels, where comparison is made to elastic perfectly plastic models, show that more realistic surface settlement troughs are obtained with the proposed model. In the second part of the paper a similar model is formulated within the multilaminate framework and is enhanced to include strain softening behaviour. The model is capable of simulating the development of shear bands and thus potential failure mechanisms can be identified.

Original languageEnglish
Pages (from-to)426-431
Number of pages6
JournalFelsbau
Volume17
Issue number5
Publication statusPublished - 1 Jan 1999

ASJC Scopus subject areas

  • Water Science and Technology
  • Geotechnical Engineering and Engineering Geology
  • Energy(all)

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