Person

Mathieu Nuth

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Related publications (26)

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Anisotropic features of the mechanical behaviour of Opalinus clay

Lyesse Laloui, Mathieu Nuth, Simon Salager

The Opalinus Clay is a potential host rock for radioactive waste repositories. Triaxial tests at different load levels and directions carried out on Opalinus clay showed that the mechanical behaviour of this soft rock is anisotropic. The stiffer samples ar ...

CRC Press2010

Understanding the thermo-mechanical response of heat exchanger piles

Lyesse Laloui, Hervé Péron, Mathieu Nuth

Although the adaptation of deep foundations into heat exchangers is receiving growing attention, geothermal research is focusing mostly on energy optimization aspects. Meanwhile, the primary bearing function of the foundation must remain unaltered. Also, p ...

International Centre for Computational Engineering2009

Constitutive modelling of unsaturated soils with hydro-geomechanical couplings

Mathieu Nuth

Even though the saturation in water of most natural and engineered soils is partial, constitutive models in geotechnical engineering have long made the assumption of complete saturation. The increasing knowledge of the rheological behaviour of unsaturated ...

EPFL2009

The definition of a consistent stress framework is an essential prerequisite to the constitutive modelling of unsaturated soils. It is proposed to clarify the effective stress lexicon commonly used for unsaturated soils, one of the purposes being to contri ...

2009

Analysis of the swelling pressure development in opalinus clay – experimental and modelling aspects

Lyesse Laloui, Hervé Péron, Mathieu Nuth, Simon Salager

In the context of nuclear waste geological storage, deep argillaceous formations are likely to be subjected to complex mechanical, hydraulic, and thermal loads. In particular, the argillaceous material can be firstly dried, and then re-wetted. During the l ...

European Association of Geoscientists & Engineers (EAGE)2009

The effective stress principle, conventionally applied in saturated soils, is reviewed for constitutive modelling purposes. The assumptions for the applicability of Terzaghi’s single effective stress are recalled and its advantages are inventoried. The pos ...

2008

Most natural and engineered soils usually exhibit a state of partial saturation in water. Indeed, fast and heavy water flowing into the soil is known to cause collapse or soil plasticization which may be at the origin of harmful settlements. The mechanical ...

2008

Advanced hydro-mechanical coupling for unified constitutive modelling of unsaturated soils

Lyesse Laloui, Mathieu Nuth

A new unified constitutive hydro-mechanical model named ACMEG-s is formulated to improve modelling of unsaturated soils in free or constrained conditions. Indeed, due to particular mechanical and hydraulic boundary conditions, some natural and engineered f ...

Taylor & Francis2008

Advanced hydro-mechanical coupling for unified constitutive modelling of unsaturated soils

Lyesse Laloui, Mathieu Nuth

Crc Press-Taylor & Francis Group, 6000 Broken Sound Parkway Nw, Ste 300, Boca Raton, Fl 33487-2742 Usa2008

Intelligent realisation of ground energy

Lyesse Laloui, Hervé Péron, Mathieu Nuth

There is a need to reduce the economic cost of the energy geostructures and increase the efficiency of such systems, which will also rationalise the environmental impact. ...

2008