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（中廣電廣播電影電視設(shè)計(jì)研究院， 北京 100045）

［摘要］三門(mén)峽傳媒大廈主樓建筑高度190.50m，采用帶加強(qiáng)層的框架-核心筒混合結(jié)構(gòu)體系。外圍框架柱采用圓形鋼管混凝土柱，內(nèi)部采用鋼筋混凝土核心筒，并結(jié)合建筑使用功能分別利用12，27層避難層設(shè)置為兩道結(jié)構(gòu)加強(qiáng)層，每道加強(qiáng)層由四榀桁架水平伸臂+周邊帶狀桁架組成。由于結(jié)構(gòu)平面為異形且高度較高，設(shè)計(jì)中對(duì)本工程進(jìn)行了性能化抗震設(shè)計(jì)并對(duì)不同構(gòu)件采用相應(yīng)的性能目標(biāo)。分別對(duì)結(jié)構(gòu)在小震、中震及大震下進(jìn)行了分析。通過(guò)一系列的計(jì)算，結(jié)果表明，結(jié)構(gòu)的工作狀態(tài)和性能均能達(dá)到設(shè)計(jì)的預(yù)期性能目標(biāo)和規(guī)范要求。

［關(guān)鍵詞］超高層建筑； 混合結(jié)構(gòu)體系； 抗震性能設(shè)計(jì)； 靜、動(dòng)力彈塑性分析 

中圖分類號(hào)： TU972+.9 文獻(xiàn)標(biāo)識(shí)碼： A文章編號(hào)：  1002-848X(2016)S1-0028-05

Design of tall mixed structure of Sanmenxia media main building

Feng Zhe， Zhang Hongyin， Qin Ke， Dai Xue

（Radio, Film and Television Design and Research Institute, Beijing 100045, China)

Abstract: The main building height of Sanmenxia media building is 190.50m, the structure adopts strengthening layer framework-core tube hybrid structural system. Outer frame column is circular steel tube concrete column, internal adopts reinforced concrete core tube. Combined with the building use function, respectively, using 12, 27 refuge floor sets two structural strengthening layer, each strengthening layer is made up of  the four levels of truss boom + peripheral belt truss. Because the plane is special-shaped and altitude is higher, the design of this project is based on the performance-based seismic design, and adopts different components of the performance goal. The structure under small earthquakes, medium and strong earthquakes were analyzed. Through a series of calculation, the results show that the working state of the structure and performance can achieve the desired performance objectives and specification requirements.

Keywords: tall building; hybrid structural system; seismic performance design; static and dynamic elastic-plastic analysis

作者簡(jiǎn)介：馮哲，學(xué)士，高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email：fengzhe@drft.com.cn。