Issue |
EPJ Web Conf.
Volume 250, 2021
DYMAT 2021 - 13th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|
|
---|---|---|
Article Number | 01034 | |
Number of page(s) | 5 | |
Section | Experimental Techniques | |
DOI | https://doi.org/10.1051/epjconf/202125001034 | |
Published online | 09 September 2021 |
https://doi.org/10.1051/epjconf/202125001034
Analysis of dynamic fracture properties of High-Performance
Departamento de Ciencia de los Materiales, ETSI Caminos, Canales y Puertos, Universidad Politécnica de Madrid, C/ Profesor Aranguren s/n, 28040 Madrid, España
* Corresponding author: v.rey@upm.es
Published online: 9 September 2021
Concrete product research has experimented a deep change during the last decades in the search of novel products with improved mechanical properties. Conventional concrete (CC) is now being replaced by new high-performance-concrete (HPC) mixes, with compressive strengths ranging from to 80 to 200 MPa, offering great chemical resistance and improved durability. The use of these HPC mixes has been extended to a wide diversity of applications, from civil to military structures, allowing the development of new designs by increasing the compressive properties with a notorious self-weight decrease. As opposite to the improved quasistatic behaviour, HPC may be more susceptible to certain dynamic actions as compared to conventional mixes. Research in the dynamic behaviour of these new mixes is needed in order to ensure resilient structural designs. In the present paper, a compared analysis of the dynamic response of HPC mixes versus conventional concrete is carried. Using a Modified Hopkinson Bar, spalling tests are performed over cylindrical concrete specimens. Results on the dynamic tensile strength are compared for CC and HPC.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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