Organization profile

Organisational profile

The section Aluminium Structures focuses on the following research areas:

  •     Connections
  •     Stability
  •     Fire design
  •     Fatigue

The research on connections is focused on the mechanical behaviour of bolted, welded, and adhesively bonded connections. Most attention has been paid to welded connections, for statically loaded structures as well as structures loaded in fatigue. Adhesively bonded connections have also been studied extensively, both statically loaded and loaded in fatigue, since they becoming more and  more important for aluminium building and civil engineering structures. The results of the above research have led to design rules in the Eurocode for aluminium structures.

The research on stability has been focused on thin-walled aluminium cross-sections which are very common  in structural applications. These cross-sections show various stability (buckling)  phenomena, which are not well covered by the existing design rules in the Eurocode for aluminum structures. Design models  have been developed to accurately predict the local as well as distortional buckling behaviour of aluminium extrusions with arbitrary cross sections.

Research on fire design is carried out since the knowledge of aluminium behaviour at high temperatures as well as the design criteria for aluminium structural components subjected to fire conditions are very limited. The design rules in Eurocode for aluminium structures are more or less similar to the rules for steel. Since the mechanical properties of aluminium reduce at much lower temperatures as compared  to steel, it means that aluminium structures are sensitive to fire exposure. The research carried out has been focused on the development of a model to describe the mechanical properties at elevated temperatures as well as the development of a model to describe the local buckling behaviour of aluminium  members in compression.

Research on fatigue design of aluminium structures is focused on an accurate prediction of the life time of a structure. Existing design rules in the Eurocode for aluminium structures are based on ‘safe life design’ by implementation  of experimentally determined S-N curves. An alternative method  is ‘damage tolerant design’which is based on fracture mechanics to predict crack propagation. Since the S-N method is very conservative and limited to standard details, the damage tolerant design method is limited to crack propagation and neglects crack initiation, an approach based on ‘continuum damage mechanics’ is further developed to enable an accurate life time prediction including crack initiation and crack propagation.

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Profiles

No photo of Seyed Hashemi

Seyed Hashemi, MSc

Person: Prom. : doctoral candidate (PhD)

20162018
Photo of Davide Leonetti

Davide Leonetti, MSc

Person: Prom. : doctoral candidate (PhD)

20162018

Research Output 1992 2019

Bending moment - shear force interaction of rolled I-shaped steel sections

Dekker, R. W. A., 9 Jan 2019, Eindhoven: Technische Universiteit Eindhoven. 249 p.

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

A combined experimental and numerical examination of welding residual stresses

Rikken, M., Pijpers, R., Slot, H. & Maljaars, J., 1 Nov 2018, In : Journal of Materials Processing Technology. 261, p. 98-106 9 p.

Research output: Contribution to journalArticleAcademicpeer-review

Residual stresses
Welding
Superconducting transition temperature
Phase transitions
Dilatometers

A new model for fatigue load sequence effects in offshore wind turbine substructures and its implications for design life

Dragt, R. C., Hengeveld, S. T. & Maljaars, J., 1 Jan 2018, Proceedings of the 28th International Ocean and Polar Engineering Conference, ISOPE 2018. International Society of Offshore and Polar Engineers, p. 265-272 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Offshore wind turbines
Fatigue of materials
Fatigue crack propagation
Extrapolation
Experiments

Student theses

Analysis of plastic failure in case of a (fatigue) crack

Author: Hermus, J., 27 Mar 2018

Supervisor: Maljaars, J. (Supervisor 1), Leonetti, D. (Supervisor 2) & Snijder, H. (Supervisor 2)

Student thesis: Master

Automated two-way coupled CFD fire and thermomechanical FE analyses of a self-supporting sandwich panel façade system

Author: de Boer, J., 26 Jun 2018

Supervisor: Hofmeyer, H. (Supervisor 1), Maljaars, J. (Supervisor 2) & van Herpen, R. (Supervisor 2)

Student thesis: Master

File

Influence of thermal expansion on slender aluminium and steel cross-sections under fire conditions

Author: Van den Hove, F., 26 Sep 2017

Supervisor: Maljaars, J. (Supervisor 1), Hofmeyer, H. (Supervisor 2) & Feijtel, J. (External person) (External coach)

Student thesis: Master

File