Conventional vs. reinforced resin injected connectors’ behaviour in static, fatigue and creep experiments on slip-resistant steel-FRP joints

Olivier, Gerhard; Csillag, Fruzsina; Tromp, Elisabeth; Pavlović, Marko

doi:10.1016/j.engstruct.2021.112089

Cited by 7 publications

(3 citation statements)

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“…The possible failure modes that can occur in an injected SRR joint under static load can vary. Olivier et al explored them by performing single-lap joint experiments with 60mm hole diameter in the FRP plate and 84mm diameter for the SRR piece [32]. Due to the configuration of the set-up i.e., most of the SRR piece being uncovered, it was possible to distinguish the point in time and the location of the initiation of the different failure mechanisms.…”

Section: Shear Loading Acting On Isrr Connectormentioning

confidence: 99%

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Mechanical Performance of Injected Steel‐reinforced Resin Connectors Under Different Confined Conditions for Reusable Composite Structures

Christoforidou¹,

Kavoura²,

Pavlović³

et al. 2023

ce papers

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A novel injection material for the development of demountable injected bolted connections in oversized holes has been recently developed by the Steel and Composite Structure research group at Delft University of Technology [1]. This injection material is a steel‐reinforced resin (SRR) which consists of spherical steel particles embedded in a resin. The SRR proved to have several benefits such as the increase of the stiffness and strength of the connection and the decrease of its creep deformation when compared to injected connections with conventional epoxy resin. Research on the performance of the injected steel‐reinforced resin (iSRR) has been focused on steel‐to‐steel, steel‐to‐concrete, and steel‐to‐FRP connections. This paper presents an overview of the recent experimental and numerical research on the mechanical properties of demountable iSRR connections and provides a comparison between different confined conditions of the injected volume.

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Section: Shear Loading Acting On Isrr Connectormentioning

confidence: 99%

“…The iSRR connector that was previously investigated on steel-concrete composite floor systems has proven to be a possible way to connect also an FRP deck with a steel support structure [30][31][32]. Due to the nature of the FRP, slight modifications of this joining system were introduced.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Performance of Injected Steel‐reinforced Resin Connectors Under Different Confined Conditions for Reusable Composite Structures

Christoforidou¹,

Kavoura²,

Pavlović³

et al. 2023

ce papers

View full text Add to dashboard Cite

show abstract

“…Injection bolts have also been studied for application in hybrid structures (steel-FRP) for innovative light-weight bridges [8][9][10], in crane girders [11], towers for wind turbines and stadium roofs [7]. Fatigue tests on preloaded injected bolted connections were conducted by several authors showing that there is a contribute to reduce the scatter on the results and to improve the fatigue life [12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%