Strengthening of Existing Structures Using Novel High Performance Materials

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• Dr Andreas Lampropoulos
• Friday 01 March 2024, 15:00-16:00
• CivEng Seminar Room (1-33) (Civil Engineering Building).

If you have a question about this talk, please contact Nishangani Gowrikanthan .

ABSTRACT

Strengthening of the built infrastructure is an urgent need in earthquake prone areas. Recent earthquakes worldwide have highlighted the deficiency of existing structures, which may be either damaged from previous strong earthquakes or have been designed without code provisions or designed to old obsolete code provisions. In addition, the majority of the existing structures in low- and middle-income countries have been constructed using substandard materials and without application of anti-seismic code provisions and, therefore, the seismic vulnerability in these areas is of high concern. This seminar is focused on the development of innovative strengthening techniques using novel composite and high-performance materials for the improvement of the structural performance and the durability of existing structural elements. Strengthening of existing Reinforced Concrete (RC) and Unreinforced Masonry (URM) elements has been examined using additional Ultra High-Performance Fibre Reinforced Concrete (UHPFRC) and Fibre Reinforced Geopolymer Concrete (FRGC) elements. Extensive experimental and numerical investigation has been conducted and the effectiveness of the examined techniques in terms of structural performance and durability has been highlighted.

SPEAKER BIO

Dr Andreas Lampropoulos is a Principal Lecturer in Civil Engineering at the University of Brighton. He obtained his Diploma (2003), MSc (2005) and PhD (2010) degrees in Civil Engineering (Structural Division) from the University of Patras in Greece. His main research agenda spans the areas of novel construction materials and seismic strengthening/retrofitting of existing structures. His research interests are focused on a wide range of cementitious materials such as ultra-high-performance fibre-reinforced concrete (UHPFRC), steel fibre-reinforced concrete (SFRC) and cementitious materials reinforced with nanoparticles, and he is also working on the development and application of cement-free concretes. He has conducted extensive experimental and numerical work on the development of novel strengthening techniques for the structural upgrade of reinforced concrete (RC) and unreinforced masonry (URM) structures. Dr Lampropoulos currently serves as the Chair of the International Association for Bridge and Structural Engineering (IABSE) Task Group 1.1 ‘Improving Seismic Resilience of Reinforced Concrete Structures’ and Task Group 5.5 ‘Conservation and Seismic Strengthening/Retrofitting of Existing Unreinforced Masonry Structures’ and he is an active member of various task groups of IABSE and of the International Federation for Structural Concrete (fib). He has had more than 80 works published in international research journals, books and conference proceedings and he is an editorial board member of several international journals in this field. In addition, he is a reviewer for more than 40 international journals, a member of the scientific committee of more than 20 international conferences, and he is an invited reviewer for research proposals for national centres of various countries.

This talk is part of the Engineering Department Structures Research Seminars series.

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