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靜力彈塑性分析方法在不對稱結(jié)構(gòu)抗震設(shè)計中的應(yīng)用
魏璉,王森,王志遠(yuǎn),周清曉
摘 要

(上海魏璉工程結(jié)構(gòu)設(shè)計事務(wù)所深圳部,深圳 518034)
[摘要]靜力彈塑性分析是一種評估結(jié)構(gòu)抗震能力的方法。針對其在不對稱結(jié)構(gòu)中的應(yīng)用進(jìn)行探討,提出側(cè)向荷載模式的選擇。采用文[3]改進(jìn)方法二的原理,利用小震下振型分解反應(yīng)譜法計算結(jié)果,引入修正系數(shù),得到了能力譜的修正方法。最后通過一實例說明這種方法的應(yīng)用。
[關(guān)鍵詞]靜力彈塑性分析;?不對稱結(jié)構(gòu);?側(cè)向荷載模式;?能力譜
Application of nonlinear static analysis in antiseismic design of asymmetric buildingsWei Lian, Wang Sen, Wang Zhiyuan, Zhou Qingxiao(Shanghai Weilian Structure Design Institute Shenzhen Office, Shenzhen 518034,China)
Abstract:Nonlinear static analysis is a method to estimate the seismic performance of structures. Several problems about its application in asymmetric buildings, such as the selection of lateral load patterns, are discussed. Using the principle in literature 3 and the results of mode analytical response spectrum, the modified coefficient is led in and the improvement method on capacity spectrum is got. Finally an example is put forward to demonstrate the using of this method.
Keywords:nonlinear static analysis; asymmetric buildings; lateral load mode; capacity spectrum
作者簡介:魏璉,研究員,一級注冊結(jié)構(gòu)工程師,Email:wl2002111@163.com。
參考文獻(xiàn)
[1]GB50011—2001建筑抗震設(shè)計規(guī)范[S]北京:中國建筑工業(yè)出版社,2001.
[2]JGJ3—2002高層建筑混凝土結(jié)構(gòu)技術(shù)規(guī)程[S]北京:中國建筑工業(yè)出版社,2002.
[3]魏璉,王森,王志遠(yuǎn),等.靜力彈塑性分析方法(Pushover)的修正及其在抗震設(shè)計中的應(yīng)用[J].建筑結(jié)構(gòu),2006,36(11).
[4]ATC.Seismic Evaluation and Retrofit of Concrete Buildings[R].Report No. ATC -40 Applied Technology Council, Redwood City, California, 1996.
[5]PENELIS G G,KAPPOS A J.3D Pushover Analysis: The Issue of Torsion[C]∥12th European Conference on Earthquake Engineering, London, 2004
[6]Federal Emergency Management Agency. Guidelines and Commentary for the Seismic Rehabilitation of Buildings[S]. FEMA 273 & 274, 1998
[7]魏璉,王森,王志遠(yuǎn),等.保利國際廣場帶斜撐超高層框剪結(jié)構(gòu)在水平地震作用下的靜力彈塑性分析[J].建筑結(jié)構(gòu),2008,38(7).

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