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Abstract

The Hopkinson bar technique is considered to be the most suitable experimental technique to study material behaviour under uniaxial conditions. This technique is applied at the LDTF apparatus for performing a series of experiments in order to study concrete dynamic behaviour under tension. Stress-strain diagrams, fracture parameters and crack propagation characteristics are investigated, under different strain and strain-rate time-histories. In the theoretical part, a strain-rate dependent material model for concrete under monotonic dynamic loading was also considered, in order to represent the observed experimental behaviour.

Additional information

Authors: ECONOMOU S, JRC Ispra (IT);CADONI E, JRC Ispra (IT);LABIBES K, JRC Ispra (IT);ALBERTINI C, JRC Ispra (IT)
Bibliographic Reference: Paper presented: XXV AIAS National Conference on Material Engineering, Lecce (IT) September 4-7, 1996
Availability: Available from (1) as Paper EN 40070 ORA
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