Research progress on the flexural behaviour of externally bonded RC beams

• Autorzy: Qeshta I. M. I. , Shafigh P. , Jumaat M. Z.

Identyfikatory

DOI

10.1016/j.acme.2016.07.002

• Języki publikacji: EN

Abstrakty

EN

The flexural behaviour of strengthened reinforced concrete (RC) beams is more complicated compared to the normal beams due to the different bond conditions and properties of the externally bonded material. A significant number of research studies have been reported on the use of different types of material for flexural strengthening of RC beams using the external bonding (EB) technique. Although most research has focused on the conventional strengthening materials, namely, steel plates, FRP and ferrocement; unconventional materials, such as sprayed FRP and cement-based composites, have shown that they also have a significant effect on the behaviour of bonded beams. This paper presents a comprehensive state-of-the-art review of the different materials used for strengthening RC beams using the EB technique and their evaluation criteria. The behaviour of the strengthened beams is discussed in terms of load carrying capacity, stiffness under service loads, and ductility and failure modes. In addition, the effect of elevated temperatures on the externally bonded materials is also discussed. The critical review of the existing data can help for a better utilization and usage of the different materials for strengthening projects, which contributes significantly to the current efforts of developing optimum and feasible strengthening systems.

Słowa kluczowe

EN

flexural behaviour; external bonding; strengthening; composite; elevated temperatures

PL

belka żelbetowa; kompozyty epoksydowe; polimery

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2016
• Tom: Vol. 16, no. 4
• Strony: 982--1003
• Opis fizyczny: Bibliogr. 100 poz., rys., tab., wykr.

Twórcy

autor

Qeshta I. M. I.

• Department of Civil Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia
• School of Engineering, RMIT University, Melbourne, Victoria, Australia

autor

Shafigh P.

• Department of Building Surveying, Faculty of Built Environment, University of Malaya, 50603 Kuala Lumpur, Malaysia

autor

Jumaat M. Z.

• Department of Civil Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę