Retrofitting of RC Beam using Glass Fiber Reinforced Polymer Composite

Abstract Retrofitting is the modification of existing structure which may or may not be damaged to make them more resistant to external forces. The objectives like Upgraded loading requirements; damage by accidents and environmental conditions, rectification of initial design flaws, change of usage can be achieved by retrofitting. The solutions adopted are generally based on successful prior practice. It is necessary to take a decision whether to demolish a distressed structure or to restore the same for effective load carrying system. Many a times, the level of distress is such that with minimum restoration measures the structural component can be brought back to its normalcy and during such times retrofitting is preferred. One of the techniques of strengthening RC structural elements is through confinement with composite enclosure. FRP material, which are available in the form of sheet or laminates are used to enhance the flexural, shear, and axial load carrying capacity of these elements. The proposed technique consist of wrapping Glass Fiber Reinforced Polymer composite mats on the shear and Flexural zones of the RC beam and studying their characteristics.

Keywords Epoxy Resin, Flexural strength, Glass fiber reinforced polymer, shear Strength, Woven mat.

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Dynamic analyses of a flat plate and a beam subjected to a moving load

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