Inverse determination of material properties of timber beams reinforced with CFRP using the classical beam theory

Saad, Khaled; Lengyel, Ákos József

doi:10.14382/epitoanyag-jsbcm.2022.6

Cited by 1 publication

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“…In contrast, it was also demonstrated that, in most situations, the addition of reinforcements had a slight effect on stiffness [134,[150][151][152][153][154], and the increase does not usually exceed 30%; it is primarily negligible and occasionally much more significant. Bidirectional carbon fabrics and laminate strips were applied for strengthening timber beams taken from an old bridge.…”

Section: Effect Of the Cfrp On Flexural Stiffness Enhancement Of Timbermentioning

confidence: 96%

Strengthening Timber Structural Members with CFRP and GFRP: A State-of-the-Art Review

Saad

Lengyel

2022

Polymers

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The application of fibre-reinforced polymers (FRP) for strengthening timber structures has proven its efficiency in enhancing load-bearing capacity and, in some cases, the stiffness of structural elements, thus providing cost-effective and competitive alternatives both in new design and retrofitting existing historical buildings. Over the last few decades, several reinforcing materials and techniques evolved, and considerable progress was made in numerical modelling, especially using the finite element method. As this field of research has become extensive and diversified, as well as numerous contradicting results have emerged, a thorough review is necessary. This manuscript covers the topics of historical preliminaries, reinforcing with carbon and glass fibre composites, bond characteristics, main reinforcing techniques, modelling of knots, and the effects of the fibre waviness on the composite behaviour. A detailed overview is given on the experimental and numerical investigation of mechanics of strengthened beams. A one-of-a-kind table that compares the stiffness improvement observed in several studies with analytical estimates. Attention is drawn to a number of challenges that have arisen, e.g., the moderate stiffness enhancement, composite-to-wood interface, modelling of knots, and strengthening of defected timber members. This paper can be used as a starting point for future research and engineering projects.

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Section: Effect Of the Cfrp On Flexural Stiffness Enhancement Of Timbermentioning

confidence: 96%

Strengthening Timber Structural Members with CFRP and GFRP: A State-of-the-Art Review

Saad

Lengyel

2022

Polymers

View full text Add to dashboard Cite

show abstract

Inverse determination of material properties of timber beams reinforced with CFRP using the classical beam theory

Cited by 1 publication

References 0 publications

Strengthening Timber Structural Members with CFRP and GFRP: A State-of-the-Art Review

Strengthening Timber Structural Members with CFRP and GFRP: A State-of-the-Art Review

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