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Failure Simulation of Brick Protective Walls Under Explosive Aerial Shock Waves

Bedon, Chiara
•
Kurszka, Leopold
2019
  • book part

Abstract
Recent decades have seen an increase in the number of terrorist attacks, necessitating the development of more efficient global security policies. One of the most important elements of this enhanced security is the protection of critical infrastructure. This book presents edited contributions from the NATO Advanced Training Course (ATC) on Critical Infrastructure Protection - Best Practices and Innovative Methods of Protection, held in Agadir, Morocco, from 6 to 12 May 2018. The main objective of the course was to bring together specialists working in the area of protecting critical infrastructure in NATO Member and Partner countries to share their knowledge and expertise. One lecture block was dedicated to important legal aspects, as these differ from country to country. The other main topic areas included the structural design and protection of critical infrastructure, new materials and material analysis, and material and construction testing at elevated impact velocities via experiment and numerical simulation. New designs for critical infrastructure elements were also demonstrated. The course provided an ideal forum for speakers and participants from government, academia, and military bodies to exchange information and best practice, while at the same time creating links to foster further collaboration and the exchange of ideas about the protection of critical infrastructure, and the book will be of interest to all those whose work involves protecting critical infrastructure from the threat of terrorist attack. °°°°°°°°°°°° Finite element method procedures of solution of masonry walls during non-stationary dynamic processes allow taking into calculations tensile and shearing strengths of brick and mortar, as well as, geometrical non-linear behavior of those brick walls, i. e. large displacements, rotation and bending at conditions of three dimensional state of deformation. Numerical results obtained for 3D-deformation and failure process of brick wall model with a thickness of 0,25 m, 2 m in length and 0,54 m in height loaded explosively in variants of charge mass 1 kg and 1.8 kg in distance of 2 m were compatible qualitatively with experimental results for this considered wall analyzed for various type of its reinforcements. These retrofits have caused considerable resistance of such protective masonry wall against explosive aerial shock wave.
DOI
10.3233/978-1-61499-964-5-143
Archivio
http://hdl.handle.net/11368/2944462
http://ebooks.iospress.nl/volumearticle/51447
Diritti
closed access
license:copyright editore
license:copyright editore
FVG url
https://arts.units.it/request-item?handle=11368/2944462
Soggetti
  • Brick protective wall...

  • aerial shock wave

  • failure simulation

Visualizzazioni
5
Data di acquisizione
Apr 19, 2024
Vedi dettagli
google-scholar
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