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Publications tagged with [constitutive model]

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<p>The main purpose of this study was to provide a three-dimensional numerical model which would allow to show the influence of the constitutive model of the ground on the tunnel lining behaviour and displacement field surrounding the tunnel. Most of the processes ...
Reference: American Journal of Applied Sciences 10 (8): 863-875, 2013
<p>Bangkok metropolitan located on thick river soft clay deposit has recently construction project on mass rapid transit underground railway (MRT). This paper presents a finite element study on the Bangkok MRT underground construction project. The Sukhumvit ...
Reference: Soils and Foundations Volume 53, Issue 5, October 2013, Pages 756–773
The paper demonstrates the application of a hypoplastic model in class A predictions of a NATM tunnel in an urban environment. The tunnel, excavated in a stiff clay, is 14 m wide with 6 m to 21 m of overburden thickness. The constitutive model was calibrated ...
Reference: Computers and Geotechnics
Computer methods are in the forefront of the procedures for analysis and design for geotechnical problems. Constitutive models that characterize the behavior of geologic materials and interfaces / joints play a vital role in the solutions obtained by using ...
Reference: ACTA GEOTECHNICA SLOVENICA, 2010/1
The paper studies the accuracy of 3D finite element predictions of a displacement field induced by NATM tunnelling in stiff clays with high K0 conditions. The studies are applied to the Heathrow express trial tunnel. Two different constitutive models are used ...
Reference: February 4, 2009 Revised version of the paper submitted to ASCE JGGE
<p>A large-size creeping natural slope was simulated with the Finite Element (FE) method, using a visco-hypoplastic material model, which describes the mechanical behaviour of cohesive soils, allowing for viscous effects (i.e. creep, relaxation and rate-dependence ...
Reference: Geomorphology 103 (2009) 136-142
The paper presents comparison of 2D and 3D analyses of an exploratory adit of a NATM tunnel in stiff clays using two constitutive models (hypoplastic model for clays and Mohr-Coulomb model). The stress-release factor β of 2D simulation has been optimised to ...
Reference: EURO:TUN 2009, 2nd International Conference on Computational Methods in Tunnelling Ruhr University Bochum, 9-11 September 2009
<p>This report focuses on the development of a new method of analysis of laterally loaded piles embedded in a multi-layered soil deposit treated as a three-dimensional continuum. Assuming that soil behaves as a linear elastic material, the governing differential ...
Reference: JTRP Technical Reports
<p>The present paper deals with the in&infin;uence of soil non-linearity, introduced by soil liquefaction, on the soil-foundation-structure interaction phenomena. The objective is to reveal the beneficial or unfavourable effects of the non-linear SSI on both ...
Reference: Soil Dynamics and Earthquake Engineering 28, 2 (2008) 85-98
Existing methods of evaluation based on the undrained behavior cannot always provide a realistic prediction to post-liquefaction deformation and strength behavior of saturated sands. Redistribution of water content or void redistribution in saturated sand ...
Reference: The 14 th World Conference on Earthquake Engineering October 12-17, 2008, Beijing, China