- 摘 要
-
（天津市建筑設(shè)計院， 天津 300074）
［摘要］天津琨泰中心辦公樓項目結(jié)構(gòu)主屋面高度186.3m，采用鋼筋混凝土框架-核心筒結(jié)構(gòu)體系。工程為超B級高度超限高層建筑，且存在穿層柱、斜柱等不規(guī)則。介紹了結(jié)構(gòu)體系、超限情況及性能化設(shè)計的原則和方法。采用多種軟件對結(jié)構(gòu)進行了小震彈性反應(yīng)譜分析、小震彈性時程分析、中震不屈服分析、大震等效彈性法分析及大震彈塑性時程分析。此外采用ABAQUS軟件驗算了斜柱在中震下的性能。根據(jù)計算結(jié)果，通過對結(jié)構(gòu)薄弱部位采取加強措施，可以實現(xiàn)預定的性能目標，確保結(jié)構(gòu)具有良好的抗震性能。
［關(guān)鍵詞］超限高層結(jié)構(gòu)； 鋼筋混凝土框架-核心筒； 性能設(shè)計； 斜柱； 有限元分析
中圖分類號： TU355， TU973 文獻標識碼： A文章編號： 1002-848X(2016)S2-0005-05
Structural design on out-of-code high-rise building of Tianjin Kuntai Centre office building
Liu Tao， Huang Xin， Huang Zhaowei， Wu Fapin， Hu Xueying， Zhu Xudong
（Tianjin Architecture Design Institute， Tianjin 300074， China）
Abstract: Tianjin Kuntai Centre office building with main roof height of 186.3m adopts the reinforced concrete frame-corewall structure. The building is over the limitation of B-level height, which contains other irregular items such as skip-floor column and inclined column. The characteristics of structural system and the out-of-code conditions were described，meantime the design principle and method based on seismic performance were introduced. The multiple programs were used to carry out elastic response spectrum analysis and elastic timehistory analysis under the frequent earthquake, unyielding analysis under the fortification earthquake, equivalent elastic method and dynamic elastic-plastic time history analysis under the rare earthquake. Furthermore, the performance of inclined columns under fortification earthquake was checked by ABAQUS software. In order to meet the requirements of performance-based seismic objectives, strengthen measures were taken to the weak parks of structure by analysis results, which ensure structure with the high performance under earthquake.
Keywords: out-of-code high-rise building； reinforced concrete frame-corewall structure； performance-based seismic design； inclined column； finite element analysis
*天津市建委科技計劃項目（2011-12），天津市建設(shè)系統(tǒng)科學技術(shù)項目（2016-5）。
作者簡介： 劉濤，碩士研究生，高級工程師，Email：liutao307@126.com。
