Assessment of diagonal macrocrack-induced debonding mechanisms in FRP-strengthened RC beams

Y Huang, W Zhang, X Liu - Journal of Composites for Construction, 2022 - ascelibrary.org
This study presents a numerical model to characterize the fracture process of a reinforced
concrete (RC) beam strengthened with fiber-reinforced polymer (FRP) in detail. A numerical …

[HTML][HTML] Bond degradation at environmentally exposed FRP-strengthened steel elements: State of the art

B Samali, P Shadan, N Saeed - Composites Part C: Open Access, 2023 - Elsevier
Due to several advantages that Fiber Reinforced Polymer (FRP) composites offer in
comparison with other strengthening techniques for steel structures, they have attracted …

Experimental and numerical study of hooked-end steel fiber-reinforced concrete based on the meso-and macro-models

Y Huang, J Huang, W Zhang, X Liu - Composite Structures, 2023 - Elsevier
In this study, several three-point-bending (TPB) experiments were conducted to investigate
the influence of fiber content on the fracture behavior of hooked-end steel fiber-reinforced …

A cohesive fracture model for predicting crack spacing and crack width in reinforced concrete structures

U De Maio, F Greco, L Leonetti, PN Blasi… - Engineering Failure …, 2022 - Elsevier
The cracking behavior analysis, in terms of crack spacing and crack width prediction, is
essential to assess the damage and durability of a reinforced concrete (RC) structure …

[HTML][HTML] The damage effect on the dynamic characteristics of FRP-strengthened reinforced concrete structures

U De Maio, D Gaetano, F Greco, P Lonetti… - Composite Structures, 2023 - Elsevier
The present work aims to assess the modal properties of reinforced concrete structures
strengthened with FRP-based systems subjected to progressive damage. In particular, an …

An improved fracture approach to investigate the degradation of vibration characteristics for reinforced concrete beams under progressive damage

A Pranno, F Greco, P Lonetti, R Luciano… - International Journal of …, 2022 - Elsevier
This work presents a cohesive fracture modeling approach to investigate the damage effects
on the mechanical response of reinforced concrete beams in terms of degradation of …

The reinforcing effect of nano-modified epoxy resin on the failure behavior of FRP-plated RC structures

U De Maio, D Gaetano, F Greco, P Lonetti… - Buildings, 2023 - mdpi.com
The ability to manipulate concrete-based and composite materials at the nanoscale
represents an innovative approach to improving their mechanical properties and designing …

[HTML][HTML] Experimental characterization of the textile-to-mortar bond through distributed optical sensors

E Bertolesi, M Fagone, T Rotunno, E Grande… - … and Building Materials, 2022 - Elsevier
Abstract TRM (Textile Reinforced Mortar) and FRCM (Fiber Reinforced Cementitious Mortar)
strengthening materials are highly heterogeneous composites involving domains that have …

FRP Strips Externally Bonded to Quasi-Brittle Substrates: Discussions and Advances of Open Research Topics

F Focacci, MM Rahman, T D'Antino… - Journal of Composites …, 2024 - ascelibrary.org
In the first part of the paper, a critical review of the fundamental knowledge of the debonding
mechanism of externally bonded fiber-reinforced polymer (FRP) composites from a quasi …

[HTML][HTML] Microstructural design for elastic wave attenuation in 3D printed nacre-like bioinspired metamaterials lightened with hollow platelets

U De Maio, F Greco, R Luciano, G Sgambitterra… - Mechanics Research …, 2023 - Elsevier
In this work, the wave propagation properties of lightened bioinspired composite materials
are investigated. A new lightened nacre-like microstructure is proposed demonstrating that …