- 摘 要
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（中國五洲工程設(shè)計集團(tuán)有限公司， 北京 100053）
［摘要］對國家金融信息大廈核心筒墻肢由雙向設(shè)防地震作用引起的墻肢拉應(yīng)力進(jìn)行了分析，分別探討了伸臂設(shè)置、環(huán)帶桁架剛度、底部斜撐等影響因素的作用。分析結(jié)果表明，伸臂低位設(shè)置可顯著降低墻肢拉應(yīng)力；提高環(huán)帶桁架剛度可有效降低墻肢拉應(yīng)力，但其對樓層側(cè)向剛度比的影響顯著，不利于結(jié)構(gòu)豎向規(guī)則性控制；底部斜撐可在不影響樓層側(cè)向剛度比的情況下有效降低墻肢拉應(yīng)力，為優(yōu)選的方案。
［關(guān)鍵詞］超高層建筑; 框架-核心筒結(jié)構(gòu); 墻肢拉應(yīng)力; 伸臂; 環(huán)帶桁架; 底部斜撐
中圖分類號：TU973 文獻(xiàn)標(biāo)識碼：A 文章編號：1002-848X(2014)18-0018-04
Research on the seismic induced tension stress control of core wall in National Financial Information Center
Zhu Weiliang, Yang Chunxia, Zhang Meng, Ding Dayi, Ma Dongxia
(China Wuzhou Engineering Group Co., Ltd., Beijing 100053, China)
Abstract: The wall tension stress of core-wall in National Financial Information Center caused by bidirectional moderate earthquake was analyzed, the influential factors including the setup of outriggers, stiffness of belt members and bottom braces were discussed. The results show that lower-setting outriggers can obviously reduce the wall tension stress; enhancing the stiffness of belt members can effectively reduce the tension stress, but it can also amplify the stiffness ratio of the story，which is adverse to control the vertical regularity of the structure; the bottom braces can effectively reduce the tension stress but have no obvious influence on the lateral stiffness of the structure, which make it an optimal solution.
Keywords: super high-rise building; frame-corewall structure; wall tension stress; outrigger; belt member; bottom brace
*北京市科委科技服務(wù)業(yè)促進(jìn)課題（Z131110000213135）。
作者簡介：朱偉亮，博士，工程師，Email:snake-joe@163.com。
參考文獻(xiàn)
［1］徐培福，傅學(xué)怡，王翠坤，等. 復(fù)雜高層建筑結(jié)構(gòu)設(shè)計［M］. 北京：中國建筑工業(yè)出版社，2005.
［2］中國五洲工程設(shè)計集團(tuán)有限公司. 國家金融信息大廈抗震設(shè)防審查專項報告［R］. 北京：2014.
