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    • Rehabilitation and Retrofitting of Reinforced Concrete Structures Using Fiber Reinforced Polymers-Experiments

    G. R. Reddy

    Fiber Reinforced Polymeric Materials and Sustainable StructuresComposites Science and Technology（2023）

    University of Mumbai

    Cited 1|Views8
    Abstract
    Structures get distressed or health of the structures gets deteriorated with the time. Also demand on the structures may increase with the time. Good examples to mention are moving loads on the bridges, seismic loads on the structure etc. To take care of these aspects, structures have to be revisited frequently and assessed for its strength and serviceability status. If these requirements are not met, the structure needs to be rehabilitated to meet the initial design intent and retrofitted if the load demand increases. Conventionally after proper repair, steel jacketing, concrete jacketing, bracing etc. are adopted to rehabilitate and retrofit the structure. However, recently Fiber Reinforced Polymers (FRP) is taking the lead materials for rehabilitation and retrofitting of structures especially Reinforced Concrete structures. Along with fundamental procedure of FRP rehabilitation and retrofitting, details of testing as built and rehabilitated/ retrofitted structure are discussed in this paper. Importance of key parameters such as setting time, anchoring, workmanship etc. to achieve the target strength and ductility are also discussed. Brief explanation on modelling and analysis of tested as built and retrofitted structure is provided.
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    Key words
    reinforced concrete structures,retrofitting,fiber,polymers-experiments
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