Publications by Yafei Qiao | EPFL Graph Search

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The FEBEX test was a large-scale demonstration project for the deep geological disposal concept of nuclear waste involving bentonite seals that lasted 18 years. One of the objectives of the test was to evaluate the capabilities of numerical methods to prov ...

This paper introduces a novel soil water retention curve model that considers two different mechanisms of water retention –namely capillarity and adsorption – and their evolution with soil fabric along a generalized stress path. The model is formulated bas ...

FEBEX (Full-scale Engineered Barrier Experiment in Crystalline Host Rock) is a research and demonstration project that was initiated by ENRESA (Spain). The aim of the project is to study the behaviour of near-field components in a repository for high-level ...

The buffer-rock barriers system is widely proved to be one of the most promising options for isolating high-level radioactive waste from the human environment. To certify the efficiency and provide the additional development regarding design and assessment ...

This paper presents a three-dimensional elastic viscoplastic model that can describe the time-dependent behaviors of soft clays. The constitutive model is formulated based on the nonstationary flow surface theory and incorporates new developments, includin ...

In this paper, a thermoviscoplastic constitutive model for geomaterials is presented. The model is formulated based on two aspects: (i) the nonstationary flow surface theory, which is used to describe the viscous behaviour of geomaterials, and (ii) the the ...

Yafei Qiao

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Thermo-hydro-mechanical analysis of the complete lifetime of the bentonite barrier in the FEBEX in-situ test

A generalised water retention model with soil fabric evolution

Pre-dismantling THM modelling of the FEBEX in situ experiment

Sensitive THM coupled analysis of buffer-rock barriers for nuclear waste storage

Nonstationary flow surface theory for modeling the viscoplastic behaviors of soils

ACMEG-TVP: A thermoviscoplastic constitutive model for geomaterials