Abstract
At the present time of political and war conflicts between countries, more and more attention is focused on the protection of important structures, being part of critical infrastructure, such as buildings of energy importance, government buildings or military bases. Regardless of the type of industry area, primarily, buildings needed to be protected. For this reason, the paper is focused on the determination of resistance of selected structural elements creating the protection system against the effects of the blast from the explosion, including terrorist attack. The paper has need of analysing the behaviour of structural elements affected by the blast load and setting the structural resistance of elements loaded by such dynamic type of load. The outputs can serve as a basis for the design of an effective plan for the protection of a selected elements of critical infrastructure, which ultimately represents not only the protection of the buildings themselves, but also the affected people presented inside the buildings.
Highlights
To assess the resistance of structure to high pressure, several factors that affect the magnitude of the consequences of the explosion have to be considered
For Single Degree of Freedom model (SDOF) models, we consider the minimum number of coordinates needed to fully determine the position of all parts of the system at any time, which define the degree of freedom of the system
Comparing the results of analytical calculations and experimental measurements, we conclude that the results are only partially consistent for several reasons:
Summary
To assess the resistance of structure to high pressure, several factors that affect the magnitude of the consequences of the explosion have to be considered. These factors include the weight of the charge, the distance between the building and the place of the explosion (so called stand-off distance), the type of explosive and the type of building material. To determinate the blast resistance of the structure is not task. Various blast test were conducted [7, 8] to determine blast resistance [9,10,11]
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