Research interests

• Assessment of masonry structures
• Geotechnics and rockfall protection structures
  
• Yield design homogenisation and structural analysis
• Life cycle analysis
  

Academic and professional background

• Since 2020 - Gustave Eiffel University - Researcher at RRO laboratory
  
• 2017 – Paris-Est University – Habilitation thesis in Civil Engineering
• 2012-2019 – Ifsttar – Researcher at the EMGCU laboratory
• 2009-2011 – Sétra – Project Engineer at the CTOA
• 2009 – ECL–ENTPE – PhD thesis in Mechanical Engineering
• 2005 – ECL–ENTPE – Master degree in Mechanical Engineering
• 2005 – ENTPE – Engineering degree

Theses supervision

• Ambroise Lachat: Environmental modelling and physical characterization of materials from demolition for their recycling in a circular economy. Lab Recherche Environnement Vinci-ParisTech thesis, Paris-Est University, ongoing (co-supervisors A. Feraille, T. Desbois).
• Giovanni Tomaselli: Analytical and numerical approaches to evaluate the load carrying capacity of block masonry structures. Roma Tre University thesis, 2020 (co-supervisors G. de Felice, M. Malena).
• Benjamin Terrade: Structural assessment of masonry earth retaining walls. MEDDE thesis, Paris-Est University, 2017 (co-supervisors P. de Buhan, J-C. Morel, D. Garnier). Read (in French).
• Omar Moreno Regan: Behavior of the masonry tunnels of the Paris subway system. CIFRE RATP-Ifsttar thesis, Paris-Est  University, 2016 (co-supervisors P. Chatellier, E. Bourgeois, A. Desbordes, J-F. Douroux). Read (in French).

Teaching experience

• Since 2017 – "Masonry week" (lectures/tutorials, M2, 30 h) – ENPC
• 2015-2016 – Materials for nuclear power plants (tutorials, M2, 8 h) – ENSTA
• 2014-2015 – Analysis of civil engineering structures (lectures, L3, 6 h) – UPMC-Paris VI
• Since 2013 – Dry-stone training (prof. training, 8 h) – FFPPS
• 2010-2020 – Mechanics of materials (lectures, L2, 24 h) – ESTP
• Since 2009 – Limit analysis and yield design (tutorials, M2, 15 h) – ENTPE
• 2009-2019 – Mechanics of materials (tutorials, M1, 12 h) – ESTP
• 2007-2008 – Mathematics (tutorials, L2, 20 h) – ENSAL
• 2006-2009 – Experimental approach in civil engineering (tutorials, M1, 20 h) – ENTPE
• 2006-2009 and since 2020 – Scientific calculation (lectures, L3, 30 h) – ENTPE

Selected publications

• B. Terrade, A.S. Colas, D. Garnier. Upper bound limit analysis of masonry retaining walls using PIV velocity fields. Meccanica, 53(7), pp.1661-1672, 2018. Read.
• O. Moreno Regan, A.S. Colas, E. Bourgeois, P. Chatellier, A. Desbordes, J.F. Douroux. Experimental characterization of the constitutive materials composing an old masonry vaulted tunnel of the Paris subway system. International Journal of Architectural Heritage, 12(2), pp.195-215, 2018. Read.
• A.S. Colas. Analysis of masonry structures in civil engineering: serviceability, safety, and environmental performance. Habilitation thesis, Paris-Est University, 2017. Read (in French).
• O. Moreno Regan, E. Bourgeois, A.S. Colas, P. Chatellier, A. Desbordes, J.F. Douroux. Application of a coupled homogenization-damage model to masonry tunnel vaults. Computers and Geotechnics, 83, pp. 132–141, 2017. Read.
• H.H. Le, D. Garnier, A.S. Colas, B. Terrade, J.C. Morel. 3D homogenised strength criterion for masonry: Application to drystone retaining walls. Journal of the Mechanics and Physics of Solids, 95, pp. 239–253, 2016. Read.
• A.S. Colas, J.C. Morel, D. Garnier. Upper-bound solution for the stability of stone-facing embankments. Materials and Structures, 49(10), pp. 4279–4289, 2016.Read.
• A.S. Colas, J.C. Morel, D. Garnier. Assessing dry-stone retaining wall 2D behaviour by full-scale experiments and yield design simulation. Géotechnique, 63(2), pp. 107–117, 2013. Read.
• A.S. Colas. Dry-stone retaining wall mechanics: yield design modelling and full-scale experiments. PhD thesis, ECL–ENTPE, 2009. Read (in French).