Experimental and numerical analysis of concrete Slabs subjected to Blast
2013
This paper summarizes the research activities focused on the behaviour of concrete and
concrete structures subjected to blast loading carried out by the Department of Materials Science of the
Technical University of Madrid (PUM). These activities comprise the design and construction of a test
bench that allows for testing up to four planar concrete specimens with one single explosion, the study
of the performance of different protection concepts for concrete structures and, finally, the
development of a numerical model for the simulation of concrete structural elements subjected to
blast. Up to date 6 different types of concrete have been studied, from plain normal strength concrete,
to high strength concrete, including also fibre reinforced concretes with different types of fibres. The
numerical model is based on the Cohesive Crack Model approach, and has been developed for the LSDYNA
finite element code through a user programmed subroutine. Despite its simplicity, the model is
able to predict the failure patterns of the concrete slabs tested with a high level of accuracy
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