Abstract
A new testing methodology based on the Hopkinson bar principle is proposed for studying globally and locally the mechanical properties of plain concrete at a high strain rate. A Hopkinson bar bundle measures the local mechanical characteristics over the cross section of a large specimen of plain concrete subjected to impact loading. With this method, more accurate measurements of the stress-strain diagram are obtained, especially during the fracturing phase of the concrete specimen.
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References
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Albertini, C. andMontagnani, M., “Study of the True Stress-strain Diagram of Plain Concrete with Real Size Aggregate: Need for and Design of a Large Hopkinson Bar Bundle,”Journal de Phisique IV, Colloque C *,4,113–118 (1994).
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Albertini, C., Cadoni, E. & Labibes, K. Study of the mechanical properties of plain concrete under dynamic loading. Experimental Mechanics 39, 137–141 (1999). https://doi.org/10.1007/BF02331117
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DOI: https://doi.org/10.1007/BF02331117