Inspection,Appraisal and Reinforcement Analysis of the Main Structure of Existing Buildings
This paper introduces an example of repairing the main structure of a building damaged by fire,describes the results of on-site in-vestigation and test,and formulates the reinforcement scheme of the structure.Through the visual observation of the damage of the main struc-ture of the building,and then the analysis and field material test are carried out to determine the carbonization depth of the remaining structure,sample the specifications of damaged concrete and steel bar,and test their residual strength.and the residual structural capacity of the mem-bers is analyzed by finite element method.Considering the present situation of the structure and the construction sequence,two repair methods are put forward.
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