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  • 1
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 136 (Feb. 2008), p. 145-152 
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Notes: Concrete when subjected to a blast loading from a close-in detonation will experiencespalling due to formation of tension waves on the opposite face of the concrete panel. The spalledconcrete may be ejected at high velocity causing undesirable effects to occupants. Tests using 1/2kgTNT blocks were conducted on 100mm thick concrete panels to study the effects of spalling andwhether the spalled materials can be arrested using a sprayed-on polymeric coating. From the tests,it was observed that without the sprayed-on polymeric coating, extensive spalling occurred.However, with just a 3-4mm thick layer of sprayed-on polymer, the spalled materials were arrestedand contained. Numerical models of the reinforced concrete slab were created using Autodyn 2Dand the results of the simulation were compared to observations from the tests. There was goodcorrelation between the test results and the simulation results as the size of the crater, both front andback, on the concrete slab were rather similar
    Type of Medium: Electronic Resource
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