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Impact behaviour of concrete beams

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Abstract

An instrumented impact machine was used to carry out impact tests on concrete beams, 100×125 mm in cross-section and 1400 mm long. The simply supported beams were struck at their midpoints by a 345 kg mass impact hammer, dropped from various heights. The instrumentation included strain gauges mounted on the striking end of the hammer, strain gauges mounted on one support anvil, and three accelerometers placed at various locations along the beam. The data were collected using a 5-channel data acquisition system. Normal strength, high strength, and fibre reinforced concrete beams were tested. In general, it was found that the properties of concrete under the high stress rates associated with impact loading could not be predicted from conventional static tests.

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Authors and Affiliations

  1. Department of Civil Engineering, University of British Columbia, BC V6T 1W5, Vancouver, Canada

    N. P. Banthia & Sidney Mindess

  2. Building Research Station, Department of Civil Engineering, Technion-Israel Institute of Technology, 32000, Technion City, Haifa, Israel

    Arnon Bentur

Authors
  1. N. P. Banthia
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  2. Sidney Mindess
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  3. Arnon Bentur
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Banthia, N.P., Mindess, S. & Bentur, A. Impact behaviour of concrete beams. Materials and Structures 20, 293–302 (1987). https://doi.org/10.1007/BF02485926

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  • DOI: https://doi.org/10.1007/BF02485926

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