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Effect of anisotropy and hydro-mechanical couplings on pore pressure evolution during tunnel excavation in low-permeability ground

Autor: Siavash Ghabezloo, Jean Sulem, L. M. Guayacán-Carrillo, Darius Seyedi, Gilles Armand

Publikováno v: International Journal of Rock Mechanics and Mining Sciences
International Journal of Rock Mechanics and Mining Sciences, Pergamon and Elsevier, 2017, 97, pp.1-14. ⟨10.1016/j.ijrmms.2017.02.016⟩

International audience; Continuous monitoring around drifts excavated in the Underground Research Laboratory (URL) of The French National Radioactive Waste Management Agency (Andra) in Callovo Oxfordian claystone revealed the development of a fractur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::077a8ee61ec6adc18f8d733fbb224355
https://doi.org/10.1016/j.ijrmms.2017.02.016

Size Effect on the Time-Dependent Closure of Drifts in Callovo-Oxfordian Claystone

Autor: Darius Seyedi, Siavash Ghabezloo, L. M. Guayacán-Carrillo, Jean Sulem, Gilles Armand

Publikováno v: International Journal of Geomechanics
International Journal of Geomechanics, American Society of Civil Engineers, 2018, 18 (10), pp.04018128. ⟨10.1061/(ASCE)GM.1943-5622.0001213⟩

International audience; In this study, we analyzed the influence of the excavation size and the sequence of excavation on the convergence evolution in drifts excavated in Callovo-Oxfordian claystone. The drifts, which are part of the Underground Rese

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::320d3c2e2fba14ed23cbef26f513e560
https://hal.archives-ouvertes.fr/hal-03135130

Convergence analysis of an unsupported micro-tunnel at the Meuse/Haute-Marne Underground Research Laboratory

Autor: L. M. Guayacán-Carrillo, A. Noiret, Gilles Armand, Jean Sulem, Siavash Ghabezloo, Darius Seyedi

Publikováno v: The Geological Society, London, Special Publications
The Geological Society, London, Special Publications, Geological Society of London, 2017, 443 (1), pp.115-125. ⟨10.1144/SP443.24⟩

International audience; Convergence measurements recorded for one representative micro-tunnel (diameter c. 0.7 m) in Callovo-Oxfordian claystone were analysed. The micro-tunnel was excavated in the direction of the horizontal principal major stress.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07ef2fd137075f441f060a69d9d31774
https://hal.archives-ouvertes.fr/hal-03135139