A State-of-the-Art Technical Review of Advanced Retrofitting Techniques for Reinforced Concrete Structures

Abstract

Any technology or material has its limitations and new technologies have been invented and utilized over the ages to meet the new requirements. A large number of seismically prone reinforced concrete structures are not able to withstand earthquakes in accordance with the current provisions for coal. Moreover, the seismic Due to a design deficiency, construction deficiency, additional loads, and behavior of existing buildings is affected Additional demand for performance, etc. Recent earthquakes have clearly shown an urgent need for improvement and strengthen those structures that are seismically deficient. The upgrade is one of the best options for making an existing one inadequate construction safe from future likely earthquakes or other environmental forces. The refurbishment reduces Vulnerability of structural damage in the near future of seismic activity. It aims to consolidate a structure Comply with the requirements of current seismic design codes. A considerable amount of research has been carried out develop various enhancement and rehabilitation techniques to improve seismic performance in recent years of structures. Of structures. This article aims to provide an overview of various innovative and cost-effective techniques Retrofit for reinforcement of damaged structures. Seismic construction protection is a concept based on requirements aimed at improving the performance of any structure Future earthquakes. Future earthquakes. Earthquakes of various magnitudes have taken place in India recently, causing extensive Life and property damage. Some materials and techniques recently developed can play an important role in the structural repairs. Seismic reinforcement, whether damaged or undamaged, of existing buildings. The main concern of a structural engineer must restore the structures as fast as possible successfully. Choice of the right materials, the techniques and procedures for the repair of a certain structure were a major challenge. Innovative Structural repair techniques have numerous advantages over conventional techniques. Some guidelines for the present paper discussed the selection of materials for repair work, e.g. steel, reinforced fiber polymers. The choice of materials and techniques to use depends on many aspects from various perspectives prospectivei.e. Requirement and available financial resources, applicability and appropriateness of materials Repair of structures damaged. Use of standard and innovative repair materials, suitable technology, manufacturing, Conservation and preservation according to project objectives and Building renovation can include a range of different technical considerations such as fire safety, geotechnical safety Weathering and water infiltration, hazards and remedies, structural performance in earthquakes and wind loads.