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西交利物浦大学行政信息楼为平面及竖向特别不规则的超限复杂高层结构,采用PERFORM-3D软件进行罕遇地震作用下动力弹塑性时程分析,验证结构是否满足“大震不倒”的设防水准要求,寻找结构薄弱部位,提出相应加强措施;同时,评价结构在大震作用下的力学性能和耗能能力,研究结构关键构件的塑性损伤和屈服情况,并对损伤程度做出性能评价,以指导设计。计算结果表明,在给定的三组地震波罕遇地震作用下,结构具有充分的耗能能力,整体塑性损伤有限,受力性能良好,弹塑性反应及破坏机制符合结构抗震概念设计的要求。
Xi’an Jiaotong-Liverpool University Administrative Information Building is a plane and vertical special irregular high-rise complex high-rise structure. PERFORM-3D software is used to conduct dynamic elasto-plastic time history analysis under rare earthquakes to verify whether the structure satisfies “ ”, And find out the weak parts of the structure, and put forward corresponding strengthening measures. At the same time, evaluate the mechanical performance and energy dissipation capacity of the structure under the action of large earthquake, study the plastic damage and yield condition of the key components of the structure, and do the damage degree Out performance evaluation to guide the design. The calculation results show that the structure has sufficient energy dissipation capacity under the given rare earthquakes of three groups of seismic waves, the overall plastic damage is limited, the mechanical properties are good, and the elastoplastic response and failure mechanism are in accordance with the requirements of structural seismic design.