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胡凌華， 師建偉， 敖國勝
（浙江綠城東方建筑設計有限公司，杭州 310012）[摘要] 上海天山路項目采用框架剪力墻結構，其底部帶有一個大裙房和一個長懸臂，給結構帶來較多超限項，結構屬于超限結構，按規(guī)范進行性能設計時，大震不屈服狀態(tài)下，剪力墻出現(xiàn)較大拉力，結構可能有較大損傷，基于此，本文對結構采用Perform-3D進行動力彈塑性分析，采用基于美國ASCE-06可接受的塑性變形準則，定義了梁、柱剪力墻的IO、LS和CP性能目標，同時提出對剪力墻和柱基于抗剪彈性的時程設計方法，找出結構的薄弱部位，從而有針對性地采取加強措施。計算結果表明，結構的各項性能指標未超過預定的性能指標，結構沒有出現(xiàn)較大損傷，能滿足性能設計的要求，同時滿足規(guī)范大震不倒的性能目標。
[關鍵詞] 高層建筑；抗震性能設計；塑性變形；時程設計方法；動力彈塑性
中圖分類號：TU313 文獻標識碼：A 文章編號：1002-848X(2012) Sl-0162-06Elastic-plastic seismic analysis on the project of Tianshan Road in Shanghai
Hu Linghua, Shi Jianwei, Ao Guosheng
( Greentown Oriental Architects, Hangzhou 310012, China)Abstract: Frame-shear wall structure is used in the project of Tianshan Road in Shanghai with a large podium and a long cantilever. It beyonds many code limits. A large tensile-force will appear in the shear-wall according to performance design under elastic rare earthquake, and the serious damage may occur. To find the weak parts and the corresponding reinforcement measures to be adopted, dynamic elastic-plastic analysis using Perform-3D was carried out in this structure. The detail parameters of lugh-rise building was calculated based on the standard of American ASCE-06, and the performance goal such as IO, LS and CP was assigned to the beam, column and shear-wall. The method of time-lustory design was applied to column and shear-wall based on the elastic shear capacity. The results show that the performance goal defined in advance is achieved and meet the code requirements.
Keywords: high-rise building; performance-based seismic design; plastic deformation; time-history design method; dynamic elastic-plastic analysis
