High strain rate response of UHP(FR)C in compression

Bragov, Anatoly M. and Konstantinov, Alexander and Lomunov, Andrey and Forni, Daniele and Riganti, Gianmario and Cadoni, Ezio (2015) High strain rate response of UHP(FR)C in compression. EPJ Web of Conferences, 94. ISSN 2101-6275

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The objective of this study was to investigate the compression behaviour of the UHPFRC and its matrix (UHPC) under high strain rate. Two experimental set-ups were used for compression testing: a traditional Split Hopkinson Pressure Bars and a compression version of the Modified Hopkinson Bar. The tests were conducted, in the range of 100–500 s−1 on cylindrical specimens with both diameter and height of 20 mm. Results show significant increases in peak strength and dissipated energy.

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