Abstract
Kunshan Xintiandi Super Tall Building is 142 meters high, with 3 floors underground and 31 floors above ground. Its structural system is composed of concrete-filled steel tube frame and core tube. The elastoplastic time-history analysis of the building was carried out by using PKPM-SAWS to analyze the overall overall index of the whole structure under large earthquake, and the mechanical performance of the key components under large earthquake was analyzed, and the loss mechanism of the key components under large earthquake was obtained, so as to ensure the mechanical performance target of the super high-rise building under large earthquake are not bad.
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