Effect of FRP Strengthening on the Behavior of Shear Walls with Opening

Asfa, M.; Mostofinejad, Davood; Abdoli, N

doi:10.1007/978-3-642-17487-2_184

Cited by 2 publications

(1 citation statement)

References 8 publications

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“…There are many studies, especially in the last decade to strength and repair structures by FRP materials because of its importance in enhancing the behavior of the structural element. Asfa et al [26] studied the effect of FRP strengthening on the behavior of shear walls with openings using FRP strips around the openings. FE analysis was investigated and the results were verified with an experimental study, it was concluded that all different techniques of strengthening increased the ductility and strength of the walls.…”

Section: Coupled Shear Walls Strengthening Using Frp Laminatesmentioning

confidence: 99%

Strengthening of Coupled Shear Walls – An overview

Mustafa

Abdel-Rahim

Emara

et al. 2021

The Egyptian International Journal of Engineering Sciences and

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FRPCoupling beams are considered one of the most important structural elements due to their vital role in resisting lateral loads by improving the overall building stiffness and reducing the impact of the overturning. The resistance of coupled shear walls (CSWs) to earthquakes depends on the coupling beam (CB) for enhancing the ductility of the system and improving the energy absorption capacity. There are two main types of coupling beams; diagonally reinforced coupling beams and conventionally reinforced ones. In the case of diagonal reinforcement, which is being currently recommended by the new design codes, the coupling beams are more efficient in consolidating the walls and providing better performance in resisting earthquakes. On the other hand, the diagonal reinforcing configuration showed some difficulties in terms of construction. There are already existing buildings that have conventionally reinforced coupling beams, which were designed according to the old codes. These coupling beams are in extreme need of strengthening to resist earthquakes. Therefore, some studies have been conducted to find an alternative to the diagonal reinforcing scheme of coupled shear walls. The methods of strengthening differed whether using steel plates or fibrereinforced polymers sheets. Nowadays Fibre Reinforced Polymers (FRP) are being widely used to strengthen coupling beams and improve the structural behavior of coupled shear walls. This paper presents a summary of some studies available in the literature concerning the strengthening of the coupling beams and coupled shear walls using FRP. Strengthening method, strengthening configurations, failure modes, and test setups are summarized.

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Section: Coupled Shear Walls Strengthening Using Frp Laminatesmentioning

confidence: 99%

Strengthening of Coupled Shear Walls – An overview

Mustafa

Abdel-Rahim

Emara

et al. 2021

The Egyptian International Journal of Engineering Sciences and

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Advances in Seismic Strengthening Materials and Techniques

Mahadik

Mahajan

Bhagat

2020

IOP Conf. Ser.: Mater. Sci. Eng.

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Seismic strengthening of reinforced concrete (RC) members is a method of improving their existing capacity to withstand seismic forces. The process typically includes strengthening of RC structural members such beams, columns, slabs, footings, beam-column junctions, etc. to improve the axial, flexure, and shear capacity. Experiences during the recent earthquakes and changes in Indian Standards made it essential to carry out structural audit of buildings. The buildings, which do not comply with the recent Code provisions have to be reconstructed or to be strengthened to achieve the desired capacity level. Reconstruction of such buildings will consume time and money. In addition, evacuation of such buildings for reconstruction is a difficult task. In this paper an attempt has been made to focus on the seismic strengthening of structural members of RC buildings which are designed to only gravity loads or the structures designed prior to release of new building Codes. This paper covers a brief introduction of conventional methods of strengthening followed by an introduction of advanced FRP composite materials and techniques of retrofitting for existing RC buildings. Finally, it is concluded that the advanced FRP composite materials and recent innovative methods can more advantageously used for seismic strengthening of RC buildings.

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Effect of FRP Strengthening on the Behavior of Shear Walls with Opening

Cited by 2 publications

References 8 publications

Strengthening of Coupled Shear Walls – An overview

Strengthening of Coupled Shear Walls – An overview

Advances in Seismic Strengthening Materials and Techniques

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