Seismic Retrofitting of Structures Using Steel Bracing: An Overview
One of the major causes of the collapse of buildings are earthquakes. Reinforced concrete structures are vulnerable to seismic activities and can destruct the structures. The RC structures which are prone to seismic activities should be protected and need to be retrofitted to resist the seismic loads. Retrofitting is one of the best methods which can be used to strengthen the structures safe against seismic loads. Retrofitting techniques will increase the strength, stiffness, ductility and stability of structures as well as reduce the operation costs and environmental impacts. Various techniques of retrofitting can be adapted to improve the stability of the structure. One of the most effective method for retrofitting of structures is the use of steel bracings. Steel bracing can be effectively used for enhancing the earthquake resistance of seismically inadequate reinforced concrete frames. This paper reviews the effect of different steel bracing patterns used as retrofitting technique in the seismic performance of the structures.
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