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(華東建筑設計研究院有限公司, 上海 200002)
摘要: 天津高銀 117 大廈塔樓結構大屋面高度 596m,高寬比 9. 5,為目前中國在建結構高度最高的超高層建筑.主要介紹了塔樓的結構布置方案、基礎設計、主要構件和節(jié)點設計以及施工措施的影響. 塔樓采用巨型框架支撐筒-鋼筋混凝土核心筒抗側力體系,保證結構剛度和構件承載力滿足規(guī)范要求. 采用超長鉆孔灌注樁和 6. 5m 厚筏板作為結構基礎. 沉降分析及觀測結果表明,結構封頂 4. 5 年后最大沉降值約 100mm. 巨型鋼管混凝土柱截面積達 45m2,尺度較大,試驗結果表明巨柱截面仍滿足平截面假定. 對巨柱復雜連接節(jié)點進行了有限元分析和試驗研究,在保證安全性的基礎上優(yōu)化了節(jié)點構造. 通過施工模擬,分析了施工措施對主體結構的影響,并給出了核心筒領先施工的高度建議.
關鍵詞: 天津高銀 117 大廈; 超高層建筑; 巨型框架支撐筒; 異形多腔體鋼管混凝土柱; 巨型節(jié)點; 筏板基礎
中圖分類號:TU398,TU318 文獻標志碼:A 文章編號:1002-848X(2022)09-0010-07
DOI:10. 19701 / j. jzjg. HDY2205
Structural design summary of the tower of Tianjin Goldin 117 Building
BAO Lianjin, TONG Jun, CHEN Jianxing, WU Jiangbin, ZHOU Jianlong, WANG Dasui
(East China Architectural Design & Research Institute Co. , Ltd. , Shanghai 200002, China)
Abstract: The tower structure of Tianjin Goldin 117 Building has a large roof height of 596m and a height-to-width ratio of9. 5. It is currently the highest super high-rise building under construction in China. The structural layout scheme,foundation design, main component and node design and the influence of construction measures of the tower were mainlyintroduced. The tower adopts anti-lateral force system of mega frame braced tube-reinforced concrete core tube to ensurethat the structural rigidity and bearing capacity of component meet the requirements of the codes. Using super-long boredpiles and 6. 5m thick rafts as the structural foundation. The settlement analysis and observation results show that themaximum settlement value of the structure after 4. 5 years of capping is about 100mm. The cross-sectional area of the megaconcrete-filled steel tube column is 45m2, and the scale is relatively large. The test results show that the cross-section ofthe giant column still meets the assumption of flat cross-section. The finite element analysis and experimental research werecarried out on the complex connection nodes of the giant columns, and the joint structure was optimized on the basis ofensuring the safety. Through the construction simulation, the influence of the construction measures on the main structurewas analyzed, and the height suggestion for the leading construction of the core tube was given.
Keywords:Tianjin Goldin 117 Building; high-rise building; mega frame braced tube; special-shaped multi-cavity concretefilled steel tube column; giant node; raft foundation
∗國家自然科學基金資助項目(5207804) ,“上海超高層建筑設計工程技術研究中心” 建設項目( 14DZ2252800) ,華建集團科研項目(19-1 類-0142-結) .
第一作者:包聯(lián)進,博士,教授級高級工程師,主要從事高層建筑及復雜建筑的結構設計,Email:lianjin_bao@ ecadi. com.
[引用本文] 包聯(lián)進,童駿,陳建興,等. 天津高銀 117 大廈塔樓結構設計綜述[ J] . 建筑結構,2022,52( 9) :10-16.BAO Lianjin,TONG Jun,CHEN Jianxing,et al. Structural design summary of the tower of Tianjin Goldin 117 Building[ J] .Building Structure,2022,52(9) :10-16.
