Serendipity in Carbon Fibres: Interfaces and Interphases in Composites

Jones, Frank R.

doi:10.1007/978-3-319-46120-5_4

Cited by 2 publications

(1 citation statement)

References 33 publications

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“…Wrapping beams with FRP presents a cost-effective and efficient solution to address these issues, enabling engineers to prolong the service life of existing structures without resorting to major demolition and reconstruction efforts. A wide array of materials, designs, wrapping methods, and mechanical anchors have been investigated to augment the strength of existing RC elements, with a focus on deferring or mitigating the debonding process in externally bonded FRP members [6][7][8][9]. While substantial experimental research has been conducted in this domain, there has been limited utilization of Finite Element Method (FEM) to comprehend the behavior of Carbon Fiber Reinforced Polymer (CFRP) containing RC beams subjected to parallel loading and varying CFRP orientations [10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Identification of Optimum Retrofitting Approach for Strengthening RC Beams using CFRP Sheets

Gandla Nanabala,

2024

Int. Res. J. multidiscip. Technovation

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Recently the formation of disasters like earthquakes, Tsunami, etc., are quite common in all parts of the world. Due to the disasters the existence of loss to property as well as human life is quite common and more to avoid/decrease the damage due to disasters, strengthening a structure is one parameter. Retrofitting is the use of revolutionary technology to reinforce the structural elements to resist the upcoming damage due to disaster. In this paper carbon fiber reinforced polymer strengthening is considered for retrofitting technique. Carbon fiber reinforced polymer sheets of 50 mm width are used and wrapped on the beams with four different orientations like 00, 450, 600 and 900. Experimentally ten beams are casted in which two beams are marked as control beams and in remaining eight beam, every two beams are used for each orientation. The beams are subjected to four-point loading, and the greatest deflections and cracks at the beam center are recorded. The beams are tested for flexural loading and studied different parameters like maximum deflection, maximum load, Initial crack load etc are compared. With an emphasis on RC beams specifically, the goal of this work is to close the current research gap by examining the behavior of fiber reinforced polymer orientation in concrete elements. A beam covered with 50 mm strips at a 45-degree angle produced better results than the remaining beams.

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