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Publications (31)
Natural gas storage in salt caverns requires fast injection / withdrawal cycles due to the increasing dynamics of the energy market. High rates induce rapid changes in the internal pressure of the stored gas causing important temperature changes susceptible to damage the rock salt mass. To experimentally observe this, the Starfish project aimed to...
In the Lorraine area of eastern France, decades of iron-ore mining from 1850 to 1997 have left vast underground cavities beneath or in the vicinity of urban areas. Several major collapses occurred in the southern part of this iron-ore basin in the 1990s, after the mine closure and the flooding of underground mine workings. Following these large-sca...
http://gji.oxfordjournals.org/content/early/2016/04/29/gji.ggw163.abstract?keytype=ref&ijkey=TXW3ako2zyzGp6N
In this paper, we present an integrated monitoring solution that has been
installed on the Sechilienne rock slope for four years. This solution provides surface
measurements as well as in-depth measurements used to 1- better understand the response of
the slope to hydro-climatic stresses, 2- better quantify the 3-D kinematics of the movements
and 3...
To improve our understanding in large scale ground failure phenomenon induced by old underground mining works, a field experiment was undertaken by the partners of GISOS1in collaboration with the SOLVAY mining company: a solution mine was instrumented in 2004 previously to its collapse which was triggered in February 2009, as part of the mining sch...
The ceasing of a two centuries intense French underground mining industry has let a stupendous number of disused mines exploited by the room and pillar method. By the end of the 1990s, a series of catastrophic ground collapse and subsidence phenomena in urbanized zones occurred, triggering the foundation of a post mining national policy and launchi...
Le mouvement de terrain des Ruines de Séchilienne - localisé sur le versant Sud du Mont Sec (38) - fait l'objet depuis 1985, d'une étude approfondie des mouvements observés et potentiels, ainsi que d'une surveillance continue par le CETE de Lyon. Les mécanismes de déformation et rupture en profondeur de ce versant restent encore mal connus, du fait...
Risk prevention related to complex extended cavities raises often strong economic, social and/or technical issues for local authorities and decision-makers. Remote monitoring offers a median way of vulnerability mitigation. However relevant monitoring of those geohazards calls for innovative volumetric methods to meet reasonable cost/benefit ratios...
Natural or abandoned anthropogenic cavities are to be found in various contexts all around the world. In France, shallow cavities count rises up to several hundreds of thousands. It concerns complex cavities as old abandoned multilevel quarries, extended mines or naturally interlaced karsts. Risk assessment related to these cavities, such as sinkho...
Risk management of un derground cavities req uires a go od working knowledge of acci dental phenomena like subsidence or large-scale collapse. This was the context when the opportunity was taken to instrument a large size in use saline cavern, so as to test various auscultation techniques available under controlled conditions. A micro seismic monit...
The CAMI-AFT experiment was performed to calibrate the physical parameters of real time microseismic systems installed at sites affected by post-mining instabilities, in the Lorraine iron basin (France) and to improve the processing tools as well as the data analyses. Blasts in the mine bottom, with known locations and energy release, were carried...
Andra is conducting scientific experiments in the Meuse/Haute-Marne Underground Laboratory among which REP experiment is a vertical mine-by-test focusing on short and long term hydromechanical response of the argilite to the main shaft sinking. Displacements, strains, and pore pressures will be monitored while the shaft is passing down. Andra and I...
Dans le cadre d’un accord de partenariat scientifique conclu entre l’INERIS et l’Andra, l’Institut a participé à plusieurs expérimentations in situ au sein du laboratoire souterrain de Meuse/ Haute-Marne. L’interprétation des données acquises, assurée à l’aide de modèles numériques et d’outils spécifiques de traitement de données, a pour objectif d...
Dans le cadre d’un programme financé par le MinEFI et le Fonds Européen de Développement Régional (FEDER) de la région Lorraine, un travail de recherche en cours a pour objectif d’améliorer la connaissance et la compréhension des phénomènes physiques liés à la propagation des ondes dans l’environnement d’un ancien site minier sous surveillance. Un...
Stress measurements were carried out in the Arc syncline using drifs in a lignite mine. Eleven sites were investigated using the flat jack and hydraulic fracturing (or stimulating) methods. Two stress states were found to coexist, one isotropic, the other highly anisotropic. The orientations of the principal stresses are not homogeneous and an orie...
Summary This paper describes current results from the OMNIBUS project, a study funded by the EC as part of the fifth framework EURATOM programme. The objective of the project is to develop ultrasonic monitoring tools and associated technologies for investigating the rock barrier in both potential and operational underground nuclear waste repositori...
