Computational Technology Resources - CCP

Paper X.1

On the Development and Verification of a Three-Phase Soil Model for Tunnelling under Compressed Air

G. Oettl, R.F. Stark and G. Hofstetter

Institute for Structural Analysis and Strength of Materials, University of Innsbruck, Innsbruck, Austria

doi:10.4203/ccp.71.10.1

G. Oettl, R.F. Stark, G. Hofstetter, "On the Development and Verification of a Three-Phase Soil Model for Tunnelling under Compressed Air", in G. De Roeck, B.H.V. Topping, (Editors), "Computational Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 217-227, 2000. doi:10.4203/ccp.71.10.1

Abstract

The topic addressed in this paper deals with the development and the verification of a soil model for tunnelling under compressed air. Based on mixture theory the soil is described as a three-phase medium consisting of the deformable porous soil skeleton, water and compressed air. In the current coupled approach the flow of the fluids and the deformations of the soil are treated simultaneously, thus taking into account the interactions between the individual phases in a physically consistent manner. Numerical simulations of a laboratory test documented in the literature and of a large-scale in-situ experiment are presented for the verification of the developed finite element code.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 71 COMPUTATIONAL CIVIL AND STRUCTURAL ENGINEERING Edited by: G. De Roeck and B.H.V. Topping Paper X.1 On the Development and Verification of a Three-Phase Soil Model for Tunnelling under Compressed Air G. Oettl, R.F. Stark and G. Hofstetter Institute for Structural Analysis and Strength of Materials, University of Innsbruck, Innsbruck, Austria doi:10.4203/ccp.71.10.1 purchase the full-text of this paper Full Bibliographic Reference for this paper G. Oettl, R.F. Stark, G. Hofstetter, "On the Development and Verification of a Three-Phase Soil Model for Tunnelling under Compressed Air", in G. De Roeck, B.H.V. Topping, (Editors), "Computational Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 217-227, 2000. doi:10.4203/ccp.71.10.1 Abstract The topic addressed in this paper deals with the development and the verification of a soil model for tunnelling under compressed air. Based on mixture theory the soil is described as a three-phase medium consisting of the deformable porous soil skeleton, water and compressed air. In the current coupled approach the flow of the fluids and the deformations of the soil are treated simultaneously, thus taking into account the interactions between the individual phases in a physically consistent manner. Numerical simulations of a laboratory test documented in the literature and of a large-scale in-situ experiment are presented for the verification of the developed finite element code. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £75 +P&P)
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