A computational model for simulation of steel fibre reinforced concrete with explicit fibres and cracks

MR Carvalho, JAO Barros, Y Zhang… - Computer Methods in …, 2020 - Elsevier
A new formulation is herein proposed to embed discrete fibres and cracks in finite elements.
The main features of the fibre behaviour are automatically accounted for, including bond and …

Mesoscale numerical investigation of dynamic spalling fracture in toughness concrete

X Yin, Q Li, Q Wang, B Chen, C Shu, S Xu - International Journal of …, 2024 - Elsevier
This study presents a two-phase mesoscale numerical model to investigate the dynamic
spalling fracture behaviour of hybrid fibre ultra-high toughness cementitious composites …

[HTML][HTML] Inverse characterization of UHPC material based on Hopkinson bar test

MR Khosravani - Applications in Engineering Science, 2021 - Elsevier
Coupling scientific researches with engineering applications leads to significant increase in
development of innovative materials. Since time-consuming and expensive experimental …

[PDF][PDF] An interpretable machine learning-based model for shear resistance prediction of CFRP-strengthened RC beams using experimental and synthetic dataset

A Mohammadi, JAO Barros, J Sena-Cruz - Compos. Struct, 2025 - researchgate.net
Existing analytical models for predicting the shear resistance of RC beams strengthened
with externally bonded CFRP reinforcements exhibit deficient performance due to their …

Constitutive model for fibre reinforced concrete by coupling the fibre and aggregate interlock resisting mechanisms

LMP Matos, JAO Barros, A Ventura-Gouveia… - Cement and Concrete …, 2020 - Elsevier
This paper describes the development of a constitutive model for Fibre Reinforced Concrete
(FRC) by combining the fibre and aggregate interlock resisting mechanisms. The proposed …

Analytical methods for stress-crack width relationship and residual flexural strengths of 3D/4D/5D steel fiber reinforced concrete

C Ding, D Gao, A Guo - Construction and Building Materials, 2022 - Elsevier
In this study, three methods were proposed to predict the stress-crack width (σ-w)
relationship and the residual flexural strengths of 3D/4D/5D steel fiber reinforced concrete …

A novel analytical framework for assessing the impact response of SFRC beam

M Bakhshi, JAO Barros, M Rezazadeh… - International Journal of …, 2023 - Elsevier
This paper presents a novel model for predicting the impact response of steel fiber
reinforced concrete (SFRC) beams. The model utilizes the principles of energy conservation …

Effect of the displacement rate and inclination angle in steel fiber pullout tests

M Tarifa, E Poveda, VMCF Cunha… - International Journal of …, 2020 - Springer
This paper summarizes the results obtained in an experimental campaign on the effect of the
displacement pullout rate and the inclination angle of the steel fiber pullout tests. For that …

Modeling micro-cracking and failure in short fiber-reinforced composites

G Lancioni, R Alessi - Journal of the Mechanics and Physics of Solids, 2020 - Elsevier
Composites made of reinforcing short fibers embedded into brittle matrices, like, eg, fiber-
reinforced concretes, exhibit enhanced strength and ductility properties. Their failure …

Rate effect in inclined fibre pull-out for smooth and hooked-end fibres: a numerical study

E Poveda, RC Yu, M Tarifa, G Ruiz… - International Journal of …, 2020 - Springer
Based on a numerical model to simulate the static behaviour of a smooth fibre extracted from
a cementitious matrix, a rate dependent friction law, widely used in earthquake engineering …