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Predicting the Tensile Behaviour of Ultra-High Performance Fibre-Reinforced Concrete from Single-Fibre Pull-Out Tests

  • In this paper, a prediction model for the tensile behaviour of ultra-high performance fibre-reinforced concrete is proposed. It is based on integrating force contributions of all fibres crossing the crack plane. Piecewise linear models for the force contributions depending on fibre orientation and embedded length are fitted to force–slip curves obtained in single-fibre pull-out tests. Fibre characteristics in the crack are analysed in a micro-computed tomography image of a concrete sample. For more general predictions, a stochastic fibre model with a one-parametric orientation distribution is introduced. Simple estimators for the orientation parameter are presented, which only require fibre orientations in the crack plane. Our prediction method is calibrated to fit experimental tensile curves.

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Metadaten
Author:Konstantin HauchORCiD, Kasem MaryamhORCiD, Claudia RedenbachORCiD, Jürgen Schnell
URN:urn:nbn:de:hbz:386-kluedo-69710
ISSN:1996-1944
Parent Title (German):Materials
Publisher:MDPI
Document Type:Article
Language of publication:English
Publication Date:2022/07/21
Year of Publication:2022
Publishing Institute:Technische Universität Kaiserslautern
Date of the Publication (Server):2022/10/20
Issue:2022, 15(14), 5085
Number of page:22
Source:https://doi.org/10.3390/ ma15145085
Faculties / Organisational entities:Fachbereich Mathematik
DDC-Cassification:5 Naturwissenschaften und Mathematik / 500 Naturwissenschaften
Collections:Open-Access-Publikationsfonds
Licence (German):Zweitveröffentlichung