盛德大廈改建工程抗震性能研究
韓小雷1,2，陳學偉1，熊愛國1，何偉球1
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(1 華南理工大學土木與交通學院高層建筑結構研究所，廣州 510640；2 華南理工大學亞熱帶建筑科學國家重點實驗室，廣州 510640)［摘要］針對廣州盛德大廈改建設計后的結構進行抗震性能研究。要求改建設計后的結構滿足現(xiàn)行結構規(guī)范，故對原已建部分承載力復核并采取相應的加強改造措施，以確保其有足夠的抗震能力。改建后的結構設計采用基于性能的抗震設計方法，包括小震彈性計算、中震彈性以及中震不屈服構件驗算，以及罕遇地震下的彈塑性分析。利用ETABS和PERFORM3D分析軟件進行了整體結構彈性及彈塑性時程分析和推覆分析，并運用多種分析手段驗證不同地震作用下結構的抗震性能，最后校核了樁基礎在地震作用下的承載力。［關鍵詞］超限高層改建設計；基于性能的抗震設計；彈塑性時程分析中圖分類號：文獻標識碼：A文章編號：1002-848X(2011)04-0088-05Seismic performance research of the reconstructing design project of Shengde buildingHan Xiaolei1,2, Chen Xuewei1, Xiong Aiguo1, He Weiqiu1(1 Tall Building Structure Research Institute, School of Civil Engineering and Transportation, Guangzhou 510640,China; 2 Key Laboratory of Subtropic Architecture Ministry of Education,South China University of Technology,Guangzhou 510640,China)Abstract:The seismic performance research of the reconstructing design structure of Shengde building was presented. As the reconstructing design structure is required to meet the demands of current code, the bearing capacity of the original part was checked and some improving and strengthening measures, which ensure-the structure have enough seismic capacity, have been taken. Design and analysis procedures of the reconstructing design structure, which are based on the performance-based seismic design method, consist of elastic analysis under frequent earthquake, elastic analysis and un-yield analysis of components under moderate earthquake, and elastio-plasticity analysis under rare earthquake. Analysis of the whole structure model including elastic time history analysis, elastio-plastic time history analysis and pushover analysis were applied by ETABS and PERFORM-3D software. Different seismic performance levels of the whole structure were checked by different analysis methods. In the end, the bearing capacity of pile foundation under earthquake was verified in order to meet the demand of current code.Keywords:reconstructing design of super high-rise building; performance-based seismic design method; elasto-plastic time history analysis作者簡介：韓小雷，教授,博士生導師，Email:xlhan@scut.edu.cn。參考文獻［1］GBJ11—89 建筑抗震設計規(guī)范［S］. 北京:中國建筑工業(yè)出版社,1989.［2］GB50011—2001 建筑抗震設計規(guī)范［S］. 北京:中國建筑工業(yè)出版社,2001.［3］JGJ3—2002 高層建筑混凝土結構技術規(guī)程［S］. 北京:中國建筑工業(yè)出版社,2002.［4］廣州市盛德廣場工程場地地震安全性評價報告［R］. 廣州:廣東省地震工程實驗中心,2009.［5］陳學偉,韓小雷,文健，等. 中洲二期觀光門架結構設計［J］. 建筑結構,2010,40(10)：44-50.［6］GB50009—2001 建筑結構荷載規(guī)范［S］. 北京:中國建筑工業(yè)出版社,2002.［7］ASCE/SEC41-46 Seismic Rehabilitation of Existing Buildings ［S］. USA: American Society of Civil Engineers, 2007.［8］韓小雷,陳學偉,何偉球,等. 盛德大廈結構可行性研究報告［R］. 廣州:華南理工大學高層建筑結構研究所,2009.［9］韓小雷,何偉球, 陳學偉,等. 天朗海峰國際中心結構可行性報告［R］. 廣州:華南理工大學高層建筑結構研究所,2008.［10］陳學偉，韓小雷, 林生逸,等. 中洲中心二期結構抗震性能分析［J］. 建筑結構學報,2010,31(1)：101-109.［11］韓小雷,陳學偉,林生逸,等. 基于纖維模型的超高層鋼筋混凝土結構彈塑性時程分析及工程應用［J］. 建筑結構,2010,40(2)：13-16.
