超高層鋼筋混凝土建筑結(jié)構(gòu)抗震性能化評價體系與方法*
伍云天1,2, 代崇民2
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伍云天1,2, 代崇民2(1重慶大學(xué)山地城鎮(zhèn)建設(shè)與新技術(shù)教育部重點實驗室,重慶400045; 2重慶大學(xué)土木工程學(xué)院,重慶400045)[摘要] 我國抗震設(shè)防地區(qū)超高層建筑的實際抗震性能日益引起學(xué)術(shù)界與工程界的關(guān)注。盡管我國2010年版《高層建筑混凝土結(jié)構(gòu)技術(shù)規(guī)程》已經(jīng)正式納入了抗震性能設(shè)計方法,但在實際超高層建筑的分析與設(shè)計中如何具體合理應(yīng)用這一方法,還處于探索階段。本文基于《高規(guī)》建議的性能化分析方法,采用非線性分析軟件Perform-3D,對重慶市某250m高超高層框架一核心筒建筑進行了性能評估,并結(jié)合概念設(shè)計,綜合評價了該建筑的抗震性能。[關(guān)鍵詞] 超高層結(jié)構(gòu);抗震;性能化設(shè)計;Perform-3D中圖分類號:TU355 文獻標(biāo)識碼:A 文章編號:1002-848X(2012) S2-0284-05Systematic evaluation on seismic performance of super high rise reinforced concrete building structuresWu Yuntian1,2, Dai Chongmin2(1 Key Lab of Chinese Education Ministry for Construction and New Technology of Mountain Cities, Chongqing University, Chongqing 400045, China; 2 College of Civil Engineering, Chongqing University, Chongqing 400045, China)Abstract: The seismic performance of super high rise buildings located in seismic regions in China has attracted the attention of engineers and researchers in recent years. Although the "Technical specification for concrete structures of tall building (2010 Edition)” has adopted the performance based seismic design method, the application of this method in the design and evaluation of super high rise buildings is still under investigation. Based on the code specified seismic performance based design procedure, a 250 meters tall building in Chongqing was analyzed using the nonlinear analysis program Perform-3D to examine it seismic performance. The analysis results are used to comprehensively evaluate the seismic performance of the structure.Keywords: super high rise structure; seismic design; performance based design; Perform-3D