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Transportation Department Transportation Department

André Marques Paixão

André Marques Paixão
Phone: 218 443 974

Professional Situation

Postdoctoral Research Fellow at Transport Infrastructures Unit (NIT) of the Transportation Department (DT), LNEC

Academic and Scientific Degrees

  • 2014 – PhD in Civil Engineering, University of Porto, Faculty of Engineering of (FEUP) on the topic "Transition zones in railway tracks: an experimental and numerical study on the structural behaviour”
  • 2006 – Graduate Civil Engineering, Structural Engineering (5 year-course), University of Lisbon, Instituto Superior Técnico (IST) (IST/UTL)

Functions and Relevant Public Offices

  • Since -2015 – Postdoctoral Research Fellow at LNEC’s  Transportation Department
  • 2011-2014 – Doctoral Research Fellow at LNEC’s  Transportation Department
  • 2007-2011 - Junior Research grant-holder at Railway Infrastructures Division, DT, LNEC.
  • 2006-2007 – Junior Bridge/Structural Engineer at BETAR Consultores, Lda.

Areas of Research / Interest

  • Railway track - superstructure and substructure (from design to M&O)
  • Dynamic characterization, instrumentation and monitoring of transport infrastructures
  • Numerical modelling of railway tracks – structural optimization, dynamic train-track interaction and long-term behaviour of materials and structures
  • Innovative railway track components and solutions

Research and Professional Activity

  • Since 2016 GroutRail – Reabilitação de Plataformas Ferroviárias com Tratamento de Solos, P2020, LNEC, Mota-Engil Ferrovias;
  • Since 2016 COURSE - Continuous evaluation of railway tracks for efficient asset management, P2020, LNEC, Mota-Engil Ferrovias;
  • Since 2015 - "Métodos de análise estrutural e modelos de comportamento da via-férrea para aumento da eficiência do transporte ferroviário”, Programa de Investigação de Pós-Doutoramento, financiado por uma Bolsa individual de Pós-Doutoramento (SFRH/BPD/107737/2015);
  • Since 2015 TIRAMS - Gestão de Ativos de Infraestruturas de Transportes numa Ótica RAMS, inserido no projeto Europeu ISABELA no âmbito do CEDR, P2I LNEC;
  • Since 2015 ReTRACK - Reabilitação de plataformas ferroviárias em operação. P2I LNEC;
  • Since 2014 MODERB2 - MODElling Railway Ballast Behaviour. P2I LNEC;
  • 2011-2013 "Assessing the behaviour of track transition zones in Alcácer railway line”, joint R&D by LNEC, FEUP and REFER.
  • 2008-2011 "Optimization of High-Speed Railway Track Using. Bituminous Sub-Ballast” (FCT PTDC/ECM/70571/2006), joint R&D by IST and LNEC.
  • LNEC’s Programmed Research Projects on railway infrastructures and characterization of geomaterials.

Scientific Orientation

Supervisor of 6 master dissertations in collaboration with FEUP and UNL.

Relevant Publications

  • Paixão, A. (2014) Transition zones in railway tracks: An experimental and numerical study on the structural behaviour; PhD Thesis; University of Porto, Faculty of Engineering
  • Paixão, A., Fortunato, E., Calçada, R. (2016) A contribution for integrated analysis of railway track performance at transition zones and discontinuities. Construction and Building Materials; 111, 699-709; doi: 10.1016/j.conbuildmat.2016.02.126;
  • Paixão, A., Fortunato, E., Calçada, R. (2016) A numerical study on the influence of backfill settlements in the train/track interaction at transition zones to railway bridges. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 230(3), 866-878; doi: 10.1177/0954409715573289
  • Paixão, A., Fortunato, E., Calçada, R. (2015) The effect of differential settlements on the dynamic response of the train-track system: a numerical study. Engineering Structures, 88, 216–224; doi: 10.1016/j.engstruct.2015.01.044
  • Paixão, A., Fortunato, E., Calçada, R. (2014) Transition zones to railway bridges: track measurements and numerical modelling. Engineering Structures, 80, 435–443, 2014, doi: 10.1016/j.engstruct.2014.09.024;
  • Alves Ribeiro, C., Paixão, A., Fortunato, E., Calçada, R. (2015) Under sleeper pads in transition zones at railway underpasses: numerical modelling and experimental validation. Structure and Infrastructure Engineering, 11(11), 1432-1449; doi: 10.1080/15732479.2014.970203
  • Paixão, A., Alves Ribeiro, C., Pinto, N., Fortunato, E., Calçada, R. (2015) On the use of under sleeper pads on transition zones at railway underpasses: experimental field testing. Structure and Infrastructure Engineering, 11(2), 112-128; doi: 10.1080/15732479.2013.850730
  • Paixão, A., Fortunato, E., Calçada, R. (2015) Design and construction of backfills for railway track transition zones. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 229(1), 58-70; doi: 10.1177/0954409713499016
  • Paixão, A.,Varandas, J.N., Fortunato, E. & Calçada, R. (2016) Non-linear behaviour of geomaterials in railway tracks under different loading conditions. Procedia Engineering; 143, 1128–1135; doi: 10.1016/j.proeng.2016.06.147
  • Varandas, J.N., Paixão, A., Fortunato, E. & Hölscher, P. (2016) A numerical study on the stress changes in the ballast due to train passages. Procedia Engineering; 143, 1169–1176; doi: 10.1016/j.proeng.2016.06.127;
  • Paixão, A. & Fortunato, E. (2009) Novas soluções de superstrutura de via para a Alta Velocidade Ferroviária - Comparação com a via balastrada tradicional; INCVC 5 - NIF/DT; Lisboa: Laboratório Nacional de Engenharia Civil; ISBN: 9789724921730.

Other scientific and technical Activities

  • Member of organizing committees for scientific meetings
  • Core Member of the international network "Young Transportations Geotechnics Engineers” (since 2015)
  • Member of the TC202 national committee of the Portuguese Geotechnical Society (SPG) in "Transportation Geotechnics”, in association with the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE) (since 2013)
  • Member of 5 juries of academic examinations
  • Referee of communications to technical and scientific meetings and of articles in international scientific journals: , Structure and Infrastructure Engineering, Construction & Building Materials, Soil Dynamics and Earthquake Engineering,
  • Representation of LNEC at the Portuguese Railway Cluster, the "Plataforma Ferroviária Portuguesa”

Other Information

"Prémio Professor Doutor Joaquim Sarmento 2014”: PhD Thesis awarded by Fundação Eng.º António de Almeida, University of Porto, Faculty of Engineering

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