Partial Destruction of Reinforced Concrete Wall by Small Blasting

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Abstract:

The crater on the reinforced concrete wall generated by the explosion of a few grams of Composition C4 explosive was investigated. A series of the single-shot blast experiment were conducted. The structural specimens for the reinforced concrete wall (750 mm × 750 mm × 250 mm) were used for estimation of the crater size. The diameter of the borehole was fixed 16 mm, and the length of borehole was varied to generate the various size of crater. The amount of explosive was also varied from 3.0 to 8.0 g. The effect of the length of the borehole to the crater depth was examined. High-speed photography was used to observe the fracture process of the crater. As the results, in the difference of the side where the crater was generated, the situation of crushing was different. The strain measurements were also conducted.

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268-273

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June 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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