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Andrzej Wrzesien

Dr

20152019
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Personal profile

Overview

I am a lecturer in Structural Engineering and Programme Leader for BEng (Hons) in Civil Engineering. Prior to my academic appointment, I worked in the industry for 5 years developing cold-formed steel (CFS) portal framing systems. In first two years of my industrial experience, I held a position of KTP Associate which led to my appointment as a Research and Development Manager. In this role, I was not only responsible for the development of new products and designs but I was also steering the development of the in-house design software.

I was awarded my PhD from the Department of Civil and Environmental Engineering, the University of Strathclyde for the thesis ‘Effect of stressed skin action on the behaviour of cold-formed steel portal frames with non-linear flexible joints and top-hat purlins’.  My research project focused on understanding the ‘true’ behaviour of metal clad CFS portal frame and interaction between frame and building envelope. For this research, I have used a combination of extensive full-scale testing and simple FE modelling. Due to a large scale of my experiments I had to design several smart systems monitoring the 3D behaviour of tested structures. I have experience in using strain gauges, load cells, linear and rotational displacement transducers, pressure gauges, thermocouples, accelerometers and anemometers. I have also developed several virtual instruments (National Instruments LabVIEW software) for data acquisition, analysis and presentation of results.

As CFS framing systems are relatively new and unconventional form of construction, my research interests are now shifting towards other problems which may challenge light gauge steel industry. One of them is the behaviour of CFS structures in the elevated temperature and their fire resistance. The other subject currently investigated is the behaviour of CFS portal frames under cyclic and seismic loading.

Considering that the computational power increases exponentially each year, I continue my efforts in promoting a use of more advanced analysis methods into everyday design. I am also interested in exploring the composite action between light-gauge steel and other materials such as timber, plasterboard or polymers.

My ambition is also to improve the sustainability of cold-formed steel buildings and to reduce their carbon footprint by combining stressed skin action design with modern optimisation techniques such as a genetic algorithm. CFS buildings are light, easy erected and could be used as temporary shelter or low-cost housing in disaster zones.          

In addition, during my industrial career I have enabled and co-supervised many final year projects at Strathclyde University and Queen’s University Belfast. I can proudly say that the industry benefited from every student projects coordinated by me and hard work of students contributed to the development of new products and designs.  As an engineer, I believe that my job is to improve the built environment and that this could be done most effectively through applied research and educating next generation of engineers.

External positions

Member of an International Advisory Panel , Malaysian Cold-formed Steel Institute (MyCSI )

31 Dec 2031 → …

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Research Output 2015 2019

Experimental cyclic performance of cold-formed steel bolted moment resisting frames

McCrum, D. P., Simon, J., Grimes, M., Broderick, B. M., Lim, J. B. P. & Wrzesien, A. M. 15 Feb 2019 In : Engineering Structures. 181, p. 1-14 14 p.

Research output: Contribution to journalArticle

Bolts
Steel
Buckling
Ductility
Energy dissipation

Effects of bolt hole clearance on sway deflections of cold-formed steel portal frames

Wrzesien, A. M., Pouladi, P., Lim, J. B. P., Grimes, M., Broderick, B. M. & McCrum, D. P. 5 Sep 2018 p. 73-73 1 p.

Research output: Contribution to conferencePaper

Bolts
Stiffness
Steel
Bearings (structural)
Compressive stress

Finite-element analysis of the eaves joint of cold-formed steel portal frames having single channel-sections

Pouladi, P., Ronaldson, J., Clifton, G. C., Ingham, J. M., Wrzesien, A., Milewski, P. & Lim, J. B. P. 8 Nov 2018

Research output: Contribution to conferencePaper

Hybrid seismic testing of cold-formed steel moment resisting frames

McCrum, D. P., Simon, J., Grimes, M., Broderick, B. M., Wrzesien, A. & Lim, J. 31 Oct 2018 In : Proceedings of the Institution of Civil Engineers - Structures and Buildings. p. 1-26

Research output: Contribution to journalArticle

Steel
Testing
Shear walls
Steel structures
Buckling

Stressed skin design of steel sheeting panels – Part 1: shear resistance and flexibility of screw lapped joints

Wrzesien, A. M., Lim, J. B. P., MacLeod, I. A. & Lawson, R. M. 7 Nov 2018 (Submitted)

Research output: Contribution to conferencePaper

Skin
Steel
Roofs
Diaphragms