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（廣州市設(shè)計(jì)院， 廣州 510620）

［摘要］凱達(dá)爾樞紐國(guó)際廣場(chǎng)由西塔樓、裙樓和東塔樓組成。介紹了結(jié)構(gòu)單元的劃分、風(fēng)洞試驗(yàn)及風(fēng)荷載的確定、地下室、地基基礎(chǔ)及與城際軌道的關(guān)系處理措施。對(duì)結(jié)構(gòu)高度為233-5m的西塔樓，采用混凝土框架（低層為鋼管混凝土柱）-核心筒結(jié)構(gòu)，分別進(jìn)行了小震下常規(guī)靜、動(dòng)力分析，中震下構(gòu)件截面承載力驗(yàn)算以及大震下動(dòng)力彈塑性時(shí)程分析，此外，還進(jìn)行了結(jié)構(gòu)舒適度、穿層柱穩(wěn)定性等驗(yàn)算，達(dá)到了所設(shè)定的C級(jí)結(jié)構(gòu)抗震性能目標(biāo)?；阡摴芑炷林h(huán)梁節(jié)點(diǎn)，提出了一種鋼管混凝土柱與懸臂混凝土梁的連接大樣。

［關(guān)鍵詞］凱達(dá)爾樞紐國(guó)際廣場(chǎng)； 風(fēng)洞試驗(yàn)； 地基基礎(chǔ)； 混凝土框架-核心筒； 鋼管混凝土柱； 抗震性能目標(biāo)； 結(jié)構(gòu)構(gòu)件損傷

中圖分類號(hào)：TU318文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2019)09-0013-07

Structural design and analysis of west tower building in Kaidaer Hub International Plaz

Han Jianqiang, Pang Weicong, Zhang Longsheng, Guo Jin

(Guangzhou Design Institute, Guangzhou 510620, China)

Abstract:Kaidaer Hub International Plaza consists of west tower building, podium building and east tower building. The division of structural units, wind tunnel test and determination of wind load, basement, foundation and treatment measures of the relationship with intercity track were introduced. In the west tower building with a height of 233-5m, the concrete frame (concrete filled steel tubular columns at the lower levels) and corewall structure was adopted. The conventional static and dynamic analysis under frequent earthquakes, the checking calculation of cross-section bearing capacity under fortification earthquakes and the dynamic elastic-plastic time-history analysis under rare earthquakes were carried out respectively. In addition, the checking calculation of structural comfort and the stability of skip-floor columns were also carried out, to achieve the C-grade performance-based seismic objective of the structure. Based on the concrete filled steel tubular column ring beam joint, a connection sample of concrete filled steel tubular column and cantilever concrete beam was proposed.

Keywords:Kaidaer Hub International Plaza; wind tunnel test;  foundation; concrete frame-corewall structure; concrete filled steel tubular column; performance-based seismic objective; damage of structure member