昆明某框架-支撐筒全鋼結(jié)構(gòu)主樓設(shè)計(jì)
張衛(wèi)東1，孫學(xué)水1，關(guān) 超1，吳 波2，王忠秋1
- 摘 要
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（1 廣東杭蕭鋼構(gòu)有限公司， 珠海 519055； 2 云南省建筑工程設(shè)計(jì)院， 昆明 650000）[摘要] 昆明某改建項(xiàng)目主樓為高度169.9m的高層建筑，采用鋼管混凝土框架-鋼支撐筒結(jié)構(gòu)體系，外圍框架柱采用矩形鋼管混凝土柱。介紹了該工程的主要特點(diǎn)和結(jié)構(gòu)分析的有關(guān)內(nèi)容，包括結(jié)構(gòu)布置、抗震性能目標(biāo)、多道抗震防線等內(nèi)容。采用SATWE，ETABS進(jìn)行多遇地震作用和風(fēng)荷載作用下結(jié)構(gòu)的計(jì)算分析，采用SATWE進(jìn)行彈性時(shí)程分析，采用PUSH&EPDA進(jìn)行罕遇地震下的靜力彈塑性推覆分析（Pushover）。計(jì)算結(jié)果表明該結(jié)構(gòu)滿足規(guī)范的各項(xiàng)要求，并采取了一些構(gòu)造加強(qiáng)措施，可供同類工程參考。[關(guān)鍵詞] 超高層建筑;全鋼結(jié)構(gòu);矩形鋼管混凝土柱;性能設(shè)計(jì);時(shí)程分析中圖分類號(hào)：TU391 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2013)S1-0394-05作者簡(jiǎn)介：張衛(wèi)東，工程師，Email：972598909@qq.com。Structure design on steel frame-steel braced core tube of twoer in KunmingZhang Weidong1，Sun Xueshui1，Guan Chao1，Wu Bo2，Yin weize1，Wang Zhongqiu1(1 Guangdong Hangxiao Stssl Structure Co. ,Ltd. , Zhuhai 519055, China; 2 Architectural of Engineering Design Institute of Yunnan Province, Kunming 650000, China)Abstract: An reconstruction in Kunming is a high-rise building of 169.9 meters high, with concrete filled steel tubular(CFST) column- steel braced core tube structue system. The main characteristic of the stucture, structural analysisi and relevant details 0f design were introduced, including the structure arrangement,anti-seismic performance targets,seismic multiple-details lines,and so on.The structure was analyzed by SATWE and STABS under frequent earthquake and wind load.The elastic time history analysis under frequent earthquake by SATWE,elastic-plastic static analysis (Pushover) and elastic-plastic dynamic analysis (EPDA) under rare earthquake by PUSH&EPDA were carried out. The results meet requirements of technical codes and some strengthening measures have also been used to ernsure the security of the structure. It can be a reference for other similar projects.Keywords: high-rise building; all-steel stucture;concrete-infilled rectangular steel tube column; performance design;time history analysis
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