MULTIDIRECTIONAL DOUBLE PUNCH TEST TO ASSESS THE POST-CRACKING BEHAVIOUR OF FRC.pdf (1.22 MB)

Multidirectional double punch test to assess the post-cracking behaviour of FRC

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conference contribution
posted on 26.03.2018, 10:24 by Pablo Pujadas, Ana Blanco-Alvarez, Sergio Pialarissi-Cavalaro, Albert De la Fuente, Antonio Aguado
Several authors have shown the direct influence of the orientation of the fibres on the residual strength of the material. From a design-oriented perspective, the anisotropy due to the dispersion and orientation of fibres has to be taken into account when characterizing the mechanical behaviour of the material. However, the wide variety of tests currently used for the characterization of fibre reinforced concrete (FRC) only allow a unidirectional characterization (without considering the orientation of the fibres in the matrix). In order to overcome this drawback, a complete characterization of the fibres orientation together with its structural contribution in the cracked section is required. Considering the above, this paper proposes the use of the double punch test on cubic samples (so called multidirectional double punching test or MDPT test) as an alternative to conventional characterization tests. Due to the specimen shape in a single procedure an estimation of the fibre orientation efficiency can be obtained, establishing a link between the mechanical properties of FRC with the fibre orientation. Thereby, this paper represents a meaningful contribution to provide a step towards the development of a rational and design-oriented constitutive model for real-scale structures.

Funding

The authors of this document wish to show their gratitude for the economic support received through the Research Project BIA2010-17478: Construction Processes by means of Fibre Reinforced Concretes.

History

School

  • Architecture, Building and Civil Engineering

Published in

BEFIB - 9th RILEM International Symposium on Fiber Reinforced Concrete FRC: The Modern Landscape. BEFIB 2016. Proceedings of the 9th RILEM International Symposium on Fibre Reinforced Concrete

Pages

55 - 63

Citation

PUJADAS, P. ...et al., 2016. Multidirectional double punch test to assess the post-cracking behaviour of FRC. IN: Banthia, N., di Prisco, M and Soleimani-Dashtaki, S. (eds.) 9th RILEM International Symposium on Fiber Reinforced Concrete (BEFIB 2016), Vancouver, Canada, Sept 19-21th, pp. 55 - 63.

Publisher

RILEM Publications S.A.R.L.

Version

AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2016

Notes

This is a conference paper.

Language

en

Location

Vancouver, Canada

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