Géotechnique (CERMES)

Carnot B112

philipp.braun@enpc.fr

Philipp Braun

Assistant Professor

Research topics

  • Underground hydrogen storage
  • Geological nuclear waste storage
  • Coupled thermo-hydro-mechanical behaviour of geomaterials
  • Experimental rock mechanics using high pressure and high temperature devices
  • Laboratory characterization of low permeability rocks

Teaching

  • Module MROS (Rock mechanics and underground structures) for the Master course Mechanics of Soils, Rocks and Structures in their Environment (MSROE) at Ecole des Ponts ParisTech
  • Module MECSR (Soil and Rock Mechanics) for Civil Engineering Diploma students at Ecole des Ponts ParisTech at Ecole des Ponts ParisTech
  • Module EXPGE (Applied geotechnical lab-testing and field investigations) for Civil Engineering Diploma students at Ecole des Ponts ParisTech

Biography

  • 2022 Assistant Professor at Navier (France)
  • 2020-2022 : Postdoc at Navier (France); Subject: Constitutive modelling of elastoplastic thermo-hydro-mechanical behavior of shale
  • 2019-2020 : Postdoc at GeM, Ecole Centrale de Nantes (France); Subject: Controlling earthquakes
  • 2015-2019 : PhD student at Navier (France) in collaboration with Andra (France); Subject: Thermo-hydro-mechanical behavior of the Callovo-Oxfordian claystone
  • 2013-2015 : Master’s degree in civil engineering at TU München (Germany)
  • 2015 : Master’s thesis internship at Navier (France); Subject: Poromechanical behavior of oil well cements
  • 2014-2015 : Exchange semester at the University of Tokyo (Japan), Geotechnical Engineering Laboratory; Subject: Earthquake engineering
  • 2012-2014 : Part time student trainee at engineering office Sailer, Stepan & Partner (Germany), concrete structures
  • 2013-2014 : Part time student assistant and tutor at the chair of geotechnics at TU München (Germany)
  • 2009-2013 : Bachelor’s degree in civil engineering at TU München (Germany)

Selected publications

  • Braun P, Delage P, Ghabezloo S, Chabot B, Conil N, Vu M-N (2022) Inducing tensile failure of claystone through thermal pressurization in a novel triaxial device. Rock Mechanics and Rock Engineering. doi:10.1007/s00603-022-02838-3.
  • Braun P, Ghabezloo S, Delage P, Sulem J, Conil N (2021) Transversely isotropic poroelastic behaviour of the Callovo-Oxfordian claystone: A set of stress-dependent parameters. Rock Mechanics and Rock Engineering 54(1):377-396.
  • Braun P, Ghabezloo S, Delage P, Sulem J, Conil N (2021) Thermo-poro-elastic behaviour of a transversely isotropic shale: Thermal expansion and pressurization. Rock Mechanics and Rock Engineering 54(1):359-375.
  • Braun P, Tzortzopoulos G, Stefanou I (2021) Design of Sand‐Based, 3‐D‐Printed Analog Faults With Controlled Frictional Properties. Journal of Geophysical Research: Solid Earth 126(5). doi:10.1029/2020JB020520.
  • Tzortzopoulos G, Braun P, Stefanou I (2021) Absorbent Porous Paper Reveals How Earthquakes Could be Mitigated. Geophysical Research Letters 48. doi:10.1029/2020GL090792.
  • Hu H, Braun P, Delage P, Ghabezloo S (2021) Evaluation of anisotropic poroelastic properties and permeability of the Opalinus Clay using a single transient experiment. Acta Geotechnica 16(7): 2131–2142.
  • Braun P, Ghabezloo S, Delage P, Sulem J, Conil N (2019) Determination of multiple thermo-hydro-mechanical rock properties in a single transient experiment: application to shales. Rock Mechanics and Rock Engineering 52(7):2023–2038.
  • Braun P, Delage P, Ghabezloo S, Sulem J, Conil N (2019) Effect of transverse isotropy on the thermal volume changes of shales: insight from the Callovo-Oxfordian claystone. Géotechnique Letters 9(4):1-18.
  • Braun P, Ghabezloo S, Delage P, Sulem J, Conil N (2018) Theoretical analysis of pore pressure diffusion in some basic rock mechanics experiments. Rock Mechanics and Rock Engineering 51(5):1361–1378.