Flexural performance of hybrid beams made of glass and pultruded GFRP

Speranzini, Emanuela; Agnetti, Stefano

doi:10.1016/j.conbuildmat.2015.06.008

Cited by 30 publications

(15 citation statements)

References 31 publications

(37 reference statements)

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“…For this purpose, several studies have been carried out, in order to improve the typical structural performance of traditional glass assemblies (in the pre‐cracked and post‐breakage phases, or in the latter one only), by the application to LG elements of additional external reinforcements . For an exhaustive review of the current developments and available techniques for the reinforcement of structural glass elements, the reader is encouraged to refer to refs …”

Section: Glass In Buildings and Actual Reinforcement Techniquesmentioning

confidence: 99%

“…These primary effects are achieved by controlling the maximum deflections and stresses occurring in the glass panes, when subjected to higher temperatures, through the automatic thermal activation of the embedded SMA wires. Differing from traditional reinforced structural glass applications, where fiber‐reinforced polymers (FRP) sheets or steel tendons and pre‐stressed cables are used to improve the first‐cracking and post‐cracked response of glass beams or panels, the current enhancement technique is characterized by an adaptive reinforcing system that helps to mitigate the degradation of the structural performances in LG assemblies under high temperatures. The efficiency of this novel approach is assessed in this paper by means of parametric Finite‐Element (FE) investigations carried out on some selected configurations of practical interest.…”

Section: Introductionmentioning

confidence: 99%

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FE Exploratory Investigation on the Performance of SMA‐Reinforced Laminated Glass Panels

Bedon

Santos

2016

Adv Eng Mater

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Shape-Memory Alloys (SMAs) are a class of metal materials that exhibit two outstanding properties, the superelastic and the shape-memory effects. Taking advantage of these properties, several SMA actuator wires and plates have been proposed over the last years in robotic, automotive, and biomedical engineering. In this paper, the feasibility of a novel design concept of SMA-reinforced laminated glass panels is proposed, based on an adaptive embedded system built up of SMA wires. Glass panels used as cladding walls in facades have in fact typically high size-to-thickness ratios, hence, major restrictions in design are represented by prevention of glass failure and large deflections. It is expected, based on the current investigation, that useful design recommendations can be derived for this novel design concept

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Section: Glass In Buildings and Actual Reinforcement Techniquesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

FE Exploratory Investigation on the Performance of SMA‐Reinforced Laminated Glass Panels

Bedon

Santos

2016

Adv Eng Mater

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“…For glass-FRP composite beam solutions in specific, it is noted that these are typically obtained by adhesively bonding a monolithic or laminated glass (LG) section (namely representing the web of the so assembled systems) with one or more FRP sections, consisting in various FRP solutions as well as specific geometrical/ mechanical properties [3][4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Numerical analysis of glass-FRP post-tensioned beams – Review and assessment

Bedon

Louter

2017

Composite Structures

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Architectural trends to include transparency in structural systems lead to the implementation, in the last decades, of structural glass load-bearing components able to substitute traditional construction materials like timber, steel, concrete.In this paper, the structural bending performance of post-tensioned, glass-FRP hybrid beams is evaluated by means of advanced Finite-Element (FE) numerical analyses. To this aim, a concise recapitulation of existing research on several typologies of glass-FRP hybrid beams is first provided. Based on earlier experimental and preliminary FE research outcomes, further detailed discussion is then proposed for the specific concept of glass-FRP post-tensioned glass beams. FE parametric simulations for quasi-static bending loading configuration and room temperature are compared for such systems, typically including a laminated glass (LG) cross-section and an adhesively connected, post-tensioning FRP tendon. As shown, several aspects should be properly taken into account when investigating the overall performance of these systems, as far as both their elastic and post-cracked performance are highly sensitive to various mechanical and geometrical input parameters. A sensitivity FE study is hence presented, aiming to better explore their typical performance

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“…Johnsson et al, 2006;Nadira et al, 2016) and even glass (i.e. Correia et al, 2011;Speranzini and Agnetti, 2015). Benefit of the CFRP tendons is the enhanced tensile strength compared to regular steel tendons and thus a more efficient use of material.…”

Section: Introductionmentioning

confidence: 99%

Finite-Element Numerical Simulation of the Bending Performance of Post-Tensioned Structural Glass Beams with Adhesively Bonded CFRP Tendons

Bedon¹,

Louter²

2016

American Journal of Engineering and Applied Sciences

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In this paper, a Finite-Element (FE) numerical investigation is carried out on laminated glass beams with Carbon Fibre Reinforced Polymer (CFRP) adhesively bonded post-tensioning tendons. Taking advantage of past four-point bending experimental test results available in literature, a refined full 3D FE numerical model is calibrated and validated. A key role is given to a multitude of aspects, including the implementation of damage models for materials as well as the appropriate mechanical interaction between the beam components, in order to properly reproduce the expected effects of post-tensioning as well as the overall bending behavior for the examined structural typology.

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Flexural performance of hybrid beams made of glass and pultruded GFRP

Cited by 30 publications

References 31 publications

FE Exploratory Investigation on the Performance of SMA‐Reinforced Laminated Glass Panels

FE Exploratory Investigation on the Performance of SMA‐Reinforced Laminated Glass Panels

Numerical analysis of glass-FRP post-tensioned beams – Review and assessment

Finite-Element Numerical Simulation of the Bending Performance of Post-Tensioned Structural Glass Beams with Adhesively Bonded CFRP Tendons

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