An experimental method for dynamic tensile testing of concrete by spalling

By J. Klepaczko, A. Brara. 2001

294 citations recorded by the source corpus.

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Discrete element modelling of concrete submitted to dynamic loading at high strain rates (2004, methodology): “Secondly, and more simply, ultra-high speed ccd video was used to film the tests, so it is possible to evaluate the speed of ejection of the ruptured fragment, and deduce the strength with the equation [29]”
Experimental confirmation of some factors influencing dynamic concrete compressive strengths in high-speed impact tests (2013, background): “A large number of laboratory tests have indicated that the dynamic strength of concrete material is comparatively higher than its corresponding static strength [6–16].”
An Experimental Method to Determine the Tensile Strength of Concrete at High Rates of Strain (2010, methodology): “Brara [ 9 ]. In this method, the residual velocity of fragments is measured from successive pictures of a CCD video camera.”
High-Speed Photography and Digital Optical Measurement Techniques for Geomaterials: Fundamentals and Applications (2017, methodology): “Spalling is a process that can be carried out in controlled laboratory conditions (Klepaczko and Brara 2001) and refers to a specific form of fracture, which occurs when a compressive wave reaches a free surface and is reflected as a rarefaction wave.”