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Analysis of the Concrete Behaviour in Tension at High Strain-rate by a Modified Hopkinson Bar in Support of Impact Resistant Structural Design

Document cover
Scientific article
Material Properties
2006
Abstract
The strain-rate sensitivity of concrete in tension has been investigated employing Hopkinson bar techniques. The devices used have allowed the successful testing of large specimens with real size aggregates. Full stress-strain curves, including the softening branch, have been obtained for several strain rates. The use of bar bundles for holding the specimens has further provided insight on the fracturing mechanism inside the specimen, revealing amply the crack multi-activation process under dynamic loading. Such data are considered essential in the impact and blast resistant design of concrete structures.
Authors
CADONI Ezio; ALBERTINI C.; SOLOMOS George
Year
2006
Publisher
E D P SCIENCES
Citation
Cadoni E, Albertini C, Solomos G. Analysis of the Concrete Behaviour in Tension at High Strain-rate by a Modified Hopkinson Bar in Support of Impact Resistant Structural Design. In: The 8th International Conference on Mechanical and Physical Behaviour of Materials under Dynamic Loading, DYMAT2006; 11-15 September 2006; Dijon (France). JOURNAL DE PHYSIQUE IV 134; 2006.p. 647-652. JRC34724
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