At present,a large number of existing buildings have been difficult to meet people's requirements for the building environment,and the demand for environmental renovation and improvement,or functional changes is increasing.Environmental improvement and functional changes should be based on the premise of ensuring structural safety.This paper studies the reinforcement engineering of existing building structure,analyzes the basic principles of reinforcement and renovation of existing building structure,and expounds the operation points of common carbon fiber reinforcement technology,steel bonded reinforcement technology,and outsourcing angle steel reinforcement technology during the reinforcement and renovation of existing building structure.The aim is to improve the technical system of reinforcement and renovation of existing building structures,achieve standardized operation objectives,and ensure the building reinforcement and renovation effect.
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