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Turkish Hello, I would like information about a topic. Can someone explain exactly why we do performance analysis? The information I had was as follows, remodeling the buildings without a project with performance analysis and giving the building usable permission. However, we remodeled another building with a Project by performing performance analysis. I was confused here, but I couldn't ask the owner of the business. can you answer?
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- Thread starter gencideci
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Performance analysis is used to evaluate existing structures according to chapter 7 of the earthquake code. It has a calculation algorithm other than the design conditions made from scratch according to the earthquake regulations. The fact that the building has a project does not change anything. There are levels of information gathering only in performance analysis. Having a project at information gathering levels makes sense, but it is insufficient on its own. As a result of this calculation, it is checked whether the building, whose information is obtained according to the regulation in question, provides performance in today's conditions and possible earthquake scenario. If it does not provide performance, it becomes clear which elements will be strengthened. If the building meets one of the conditions of "immediate use performance level or life safety performance level" depending on the type of use, its use is approved. Even if there are projects from the existing structure, the number of cores specified in the regulation should be taken from each floor and the concrete strengths should be determined. In addition, it is necessary to strip the reinforcement in the elements specified in the regulation and to check the reality of the reinforcement. Again, reinforcement readings are made with non-destructive methods. Then, an analysis is made in line with these data and an examination is made according to article 7.7 of the regulation. I think that's enough preliminary information. Note: Sometimes it is observed that it does not perform when subjected to earthquake performance analysis as it is a newly designed structure. The main issue here is that the calculation methods in both regulations are completely different from each other.