State-of-the-art on impact and explosion behaviour of concrete structures
Report of RILEM TC 288-IEC
Ezio Cadoni (University of Applied Sciences of Southern Switzerland)
Alejandro Pérez Caldentey (Universidad Politécnica de Madrid)
Matteo Colombo (Politecnico di Milano)
Avraham N. Dancygier (Technion Israel Institute of Technology)
Marco Di Prisco (Politecnico di Milano)
Hezi Grisaro (Technion Israel Institute of Technology)
Paolo Martinelli (Politecnico di Milano)
Josko Ožbolt (University of Stuttgart)
Małgorzata Pająk (Silesian University of Technology)
J. Weerheijm (TU Delft - Applied Mechanics)
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Abstract
Extreme loads can arise from accidents such as vehicle collisions or airplane crashes, as well as deliberate acts of terrorism or military attacks involving blasts and fragmentation. Blast overpressure can also occur accidentally, for example, from explosions of hazardous materials such as gas. Distinguishing between accidental and deliberate loads is crucial for designing appropriate protection measures. The repercussions of extreme loading events can be devastating, leading to injuries, loss of life, economic setbacks, and significant social disruption. These consequences result not only from the direct effects of impacts or explosions, but also from secondary factors such as structural collapse, which is particularly concerning due to its potential for widespread devastation and substantial losses. Efforts to enhance the protection of concrete structures have focused on understanding the properties of construction materials and how structures respond to impact and blast loads. This document presents a comprehensive overview of RILEM TC 288-IEC, aiming to provide essential guidance for designing concrete structures to withstand extreme dynamic loads. This emphasizes the importance of a thorough understanding and accurate modelling of loading scenarios and material behaviour. By implementing the strategies outlined in this document, engineers can enhance the safety and resilience of structures facing such challenges.
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