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The physical modelling aspect consists in developing a new small-scale model of energy pile tested in centrifuge.
The PhD subject is described at this link.
Here is the link to apply. The application deadline is 21st March 2022.
Contact : firstname.lastname@example.org
PhD opportunity at GeoEnvironmental Group UCLM (Ciudad Real, Spain). Project title THCM characterisation of engineered bentonite barriers in the very near field behaviour in deep geological repositories of high-level radioactive waste.
More information on this website.
Two Ph.D. student positions on “Geomechanics for engineered geological barriers” at EPFL Switzerland, Laboratory of Soil Mechanics
More info at this link.
Two industry co-funded Ph.D. student positions at the Department of Earth Sciences “A. Desio” of the University of Milan on “Soil improvement treatments by resin injection” (Tutor prof. Tiziana Apuani) and “Experimental and numerical analysis of the thermal and thermo-mechanical behaviour of thermo-active sheet pile walls” (Tutor prof. Francesco Cecinato).
More info at this link and on this flyer.
A Ph.D. student position on “Energy Geostructures” at the University of Perugia (tutor Prof. Diana Salciarini).
More into at this link.
Soft highly organic soils are widespread in the foundation layers of the built environment all over the world. They contain organic matter, roots and fibres, which improve their mechanical response. However, these soils are extremely vulnerable to climate-related hazards. Increasing climatic stresses, such as heat waves, drought, and more frequent intense precipitation accelerate the degradation of organic soils, by increasing their drying and shrinkage rate above the water table and their decomposition rate under water, with gas generation and exsolution. Both these mechanisms, drying and gas exsolution, ultimately contribute to significant land subsidence and reduction in available resistance. Quantifying the geotechnical engineering consequences of seasonally varying loads, including drying-wetting, temperature cycles and degradation, on organic soils is extremely challenging due to the complexity of a proper description of multi-physics gas-liquid-solid interaction. The project aims at deepening the understanding and the modelling of these coupled processes, to mitigate the climate-related hazard in natural soils and to assist in the design of durable innovative green solutions.
The twofold aim of the PhD project is:
– To experimentally investigate the coupled hydro-mechanical behaviour of organic soils subjected to cycles of environmental (e.g. drying and wetting, temperature) and mechanical loads. Soft soils reinforced with natural and artificial organic fibres will be tested, to quantify the role played by fibres, gas and fabric on their mechanical behaviour.
– To enhance existing constitutive models in order to include the effects of environmental factors such as drying-wetting cycles, temperature cycles and degradation in the prediction of their geotechnical properties.
The PhD candidate will benefit from advanced experimental laboratory facilities including unsaturated triaxial apparatus, biaxial plane strain apparatus, large-scale testing facility, geotechnical centrifuge and imaging facilities already available in the Faculty of Civil Engineering and Geosciences of TU Delft and partner institutions, and the support of experienced technical staff.
More information in the attached document: PhD_position_TU_Delft_TUD01486
The closing date for the applications is 17 October 2021.
Ineris proposes a post-doctoral position on the understanding and modelling of THMC processes in deep geothermal systems.
The postdoctoral position is offered in the Natural Hazards, Underground structures and storages unit within the Site and Territory Division. The unit activity covers all aspects of risks prevention related to the exploitation and post-exploitation of ground and underground including underground excavations, abandoned mines, salt caverns, deep boreholes, gas underground storage, geothermal systems and rock slopes. The core expertise of the unit is numerical modelling of thermo-hydromechanical and chemical (THMC) coupled processes in geomechanics.
This post-doctoral is expected to begin on 15th March 2021 for 6 months. The application should be submitted in French or in English. It must include a resume (including a list of publications and the names and positions of your former research advisers) and a cover letter. —> Mail to: email@example.com
Title: Micromechanics of cracking of clay subjected to air drying and/or gas breakthrough
Duration: 3 years
Start date: from 01/10/2020 to 31/12/2020
Eligibility: Applications from UK/EU applicants only, First Class Honours (or equivalent)
Where: Department of Civil and Environmental Engineering, University of Strathclyde, Glasgow, Scotland
Supervisors: Dr Matteo Pedrotti (https://www.strath.ac.uk/staff/pedrottimatteomr/) and Professor Alessandro Tarantino (https://www.strath.ac.uk/staff/tarantinoalessandroprof/)
This 3-year PhD at the University of Strathclyde will focus on investigating the mechanisms at the micro/particle scale underpinning the process of crack formation in clay associated with air drying and/or exposure of the clay interface to gas at high pressure.
The research will mainly be experimentally-based and the PhD candidate will make use of state of the art technologies for the investigation of the clay microstructure including X-Ray Computed Tomography, Environmental Scanning Microscopy, and Mercury Intrusion Porosimetry.
Despite 100 years of research on the macro-mechanical behaviour of clay, we are still largely ignoring underlying mechanisms at the particle scale. Clay micromechanics involves the understanding of the configuration of elements (particles) and the forces controlling the kinematics of such elements. Clay micromechanics (including the evolution of particle configuration in clays when subjected to mechanical loading) has rarely been investigated explicitly and is a young and rapidly growing discipline in the field of soil mechanics.
Besides joining a vibrant geotechnical community at Strathclyde, the candidate will join the International Research Centre For Clay Micromechanics (https://www.irccm.net ) which will provide the opportunity for international collaborations and to spend a period abroad in one of the partner universities (i.e. Chalmers University of Technology – Sweden, University of Twente – The Netherlands, Université Grenoble Alpes – France, University of Brasilia – Brazil, Politecnico di Bari – Italy, Technical University of Denmark – Denmark) .
Industrial contacts will be mainly focused, but not only, towards the Carbon Storage and Sequestration sector.
Il Laboratorio 3DR dell’Université Grenoble Alpes (Francia) offre una posizione di dottorato sul tema “A micro-mechanical approach to cemented granular materials” – supervisori Alessandro Tengattini, Gioacchino (Cino) Viggiani, Pierre Bésuelle.
Scadenza per le candidature: 31 maggio 2020.
Maggiori informazioni nell’allegato:
La Facoltà di Scienze della Charles University (Praga, Repubblica Ceca) offre due posizioni di dottorato sui seguenti temi:
- Effects of thermo-hydro-mechanical coupling on slope deformation in expansive clays: advanced experiments and hypoplastic modelling (Relatore: Dr. Gianvito Scaringi)
- Evaluation of hydromechanical properties of bentonite subjected to thermal loading (Relatore: RNDr. Jan Najser)
Il bando, disponibile su https://stars-natur.cz/, scade il 13 marzo 2020.
Ulteriori informazioni nell’allegato: PhD call Prague
Il Dipartimento di Ingegneria Civile e Ambientale dell’Università di Strathclyde (Glasgow, Scotland, UK) offre una posizione di dottorato sul tema “Vegetation-mediated ground-atmosphere interaction“.
Durata: 3 anni
Relatore: Prof. Alessandro Tarantino
Ulteriori informazioni nell’allegato: PhD Vegetation-mediated ground-atmosphere interaction
The call is open until all the positions will be filled. Candidates are urged to apply as early as they can, contacting firstname.lastname@example.org .
More information in the attachment: LMS-EPFL-openpositions