Organization profile

Organisational profile

The research areas of the Chair are:

  • Structural properties of timber and timber products
  • Reinforced Connections
  • Bamboo

Structural properties of timber and timber products

Topics not yet fully understood and that still are important for structural design are the tensile (splitting) and compressive strength and stiffness perpendicular to grain of timber. Strategies to develop models require knowledge of fracture mechanics, damage and stress accumulation theories and stress analyses using theoretical and numerical approaches. Examples of research projects project are some of which have been studied by master students are:

  • stresses analyses of non-prismatic timber beams and portal frame corners;
  • the spreading of support stresses perpendicular to grain;
  • splitting of beams caused by connections perpendicular to grain;
  • stress concentration of notched beams;
  • structural assessment and repair of historic timber structures and foundations;
  • structural behaviour of historic timber connections;
  • high rise timber buildings, in-fill frame options, reinforced connections;
  • wood based panel products; determination of design rules for application as integrated roof-, floor-, and wall elements;
  • Ageing, creep and swelling processes in wood used for surface painting;
  • bamboo used as structural elements.


  • Awarded the Royal IBC-price for research on timber connections.
  • Initiated and managed European wide research projects and industry sponsored research projects, presented research results in many conferences and by guest lectures.
  • Jury member of Dutch Timber Innovation Award 2000.
  • Chairman of the Dutch Structural Timber Code committee.
  • Member of the Dutch society of Timber designers.
  • Dutch representative in Cost-action E8 and E24 (reliability of timber structures) of the European Community.
  • Member of CIB/W18, RILEM-MTE , IUFRO-s 5.02, ISO/TC165
  • Head of Dutch delegation in European standardization CEN/TC124 – Timber Structures.
  • Chairman of CEN/TC250/SC5 - Eurocode 5 – Design of Timber Structures
  • Convenor of CEN/TC124/WG1 – Test methods of the Committee of European Standardization.
  • European Code writer of final draft Eurocode 5 – Design of Timber Structures.
  • Spend sabbaticals at University of British Columbia, Canada, Kyoto University, Japan and Auckland University, New Zealand.
  • Participated in the award winning research project “the Development of a timber Guardrail” sponsored by Ministry of Environment and Waterworks.

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    Research Output

    Onderzoeksmiddag construeren met hout

    Jorissen, A. J. M., 5 Jan 2020, (Accepted/In press) Eindhoven: Technische Universiteit Eindhoven.

    Research output: Book/ReportBookAcademic

    Climate-induced damage in oak museum objects

    Luimes, R. A., 17 Sep 2019, Eindhoven: Technische Universiteit Eindhoven. 131 p.

    Research output: ThesisPhd Thesis 1 (Research TU/e / Graduation TU/e)

    Open Access
  • Activities

    Journal of Materials in Civil Engineering (Journal)

    Ad Leijten (Peer reviewer)
    5 Apr 2017

    Activity: Publication peer-review and editorial work typesPublication peer-reviewScientific

    CEN committee (External organisation)

    Ad Leijten (Chair)
    28 Sep 201629 Sep 2016

    Activity: Membership typesMembership of committeeScientific

    Engineering Structures (Journal)

    Ad Leijten (Peer reviewer)
    21 Sep 2016

    Activity: Publication peer-review and editorial work typesPublication peer-reviewScientific

    Press / Media

    Challenging Glass Conference 5, call for abstracts

    Jan L.I.F Belis


    1 item of Media coverage

    Press/Media: Expert Comment

    Student theses

    Analysis of glass parapets: calculation methods of glass parapets in aluminium parapet clamping profiles

    Author: Baidjoe, Y., 31 May 2017

    Supervisor: Belis, J. (Supervisor 1), Jorissen, A. (Supervisor 2) & Rögels, T. (External person) (External coach)

    Student thesis: Master


    An in-depth theoretical review on the current regulations of multilayer timber floors with a fastener shear connection in general and Nur-Holz floor elements in particular

    Author: Nomden, M. G., 29 Jan 2019

    Supervisor: Jorissen, A. (Supervisor 1), Leijten, A. (Supervisor 2) & Tran, T. (External person) (External coach)

    Student thesis: Master


    Behaviour timber moment connections with dowel-type fasteners reinforced with self-tapping screws in seismic areas

    Author: Fokkens, T., 31 May 2017

    Supervisor: Jorissen, A. (Supervisor 1), Leijten, A. (Supervisor 2) & Houben, J. (External person) (External coach)

    Student thesis: Master