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(上海天華建筑設(shè)計(jì)有限公司， 上海 200235)

摘要: 介紹了高度約 299. 4m 的重慶俊豪 ICFC 塔樓基礎(chǔ)及上部結(jié)構(gòu)設(shè)計(jì)。 塔樓核心筒區(qū)域基礎(chǔ)為筏板基礎(chǔ)，外框柱區(qū)域基礎(chǔ)為獨(dú)立基礎(chǔ)，地鐵巖石破裂面影響范圍內(nèi)的裙房框架柱區(qū)域基礎(chǔ)為人工挖孔樁，樁基嵌入地鐵坑底巖石破裂面以下 2m，有效保證上部結(jié)構(gòu)能夠有力傳遞地鐵底的巖石破裂面以下。 塔樓采用帶環(huán)帶桁架加強(qiáng)層的型鋼混凝土柱￣鋼梁￣鋼筋混凝土核心筒混合結(jié)構(gòu)體系，環(huán)帶桁架增加了結(jié)構(gòu)剛度，減小層間位移角，并對(duì)環(huán)帶桁架的設(shè)置位置進(jìn)行了比選分析。 動(dòng)力彈塑性分析結(jié)果表明，結(jié)構(gòu)受力性能良好，能達(dá)到預(yù)期的抗震性能目標(biāo)。 對(duì)塔樓進(jìn)行了風(fēng)洞試驗(yàn)研究，選用風(fēng)洞試驗(yàn)荷載與規(guī)范風(fēng)荷載的包絡(luò)值進(jìn)行設(shè)計(jì)。 對(duì)項(xiàng)目與地鐵站共建、山地建筑地下室排水、酒店中庭等項(xiàng)目難點(diǎn)進(jìn)行分析研究，分析結(jié)果滿足規(guī)范要求。

關(guān)鍵詞: 高層結(jié)構(gòu)； 地鐵共建； 山地建筑； 型鋼混凝土； 環(huán)帶桁架； 動(dòng)力彈塑性時(shí)程分析

中圖分類號(hào):TU318 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):1002￣848X(2022)04￣0031￣08

DOI:10. 19701 / j.jzjg.20200349

Structural design of Junhao ICFC tower

JIANG Kewei

(Shanghai Tianhua Architecture Planning & Engineering Co.， Ltd.， Shanghai 200235， China)

Abstract:The foundation and upper structure design of Chongqing Junhao ICFC tower with a height of about 299. 4m wereintroduced. The foundation of the core tube region of the tower was a raft foundation， and the foundation of the outer framecolumn region was a single foundation. The foundation of the podium frame column region within the influence of the subwayrock fracture surface was a manual digging pile， and the pile foundation was embedded 2m below the rock fracture surfaceof the subway pit. It can effectively ensure that the upper structure can effectively transmit the rock below the fracturesurface of the subway bottom. The tower adopts a steel concrete column￣steel beam￣reinforced concrete core tube mixedstructure system with a ring￣belt truss reinforcement layer. The ring￣belt truss increases the structural rigidity and reducesinterlayer displacement angle. The setting positions of the ring￣belt truss were compared. The dynamic elastoplastic analysisresults show that the structure has good mechanical performance and can achieve the expected seismic performance target. Awind tunnel test study was conducted on the tower， and the envelope value of the wind tunnel test load and the normativewind load was selected for design. The project difficulties of subway station co￣construction， mountain building basementdrainage， hotel atrium were analyzed and studied， and the analysis results meet the requirements of the specification.

Keywords:high￣rise structure； subway co￣construction； mountainous building； steel reinforced concrete； ring￣belt truss；dynamic elastoplastic time history analysis

第一作者:蔣科衛(wèi)，碩士，高級(jí)工程師，一級(jí)注冊結(jié)構(gòu)工程師，注冊咨詢工程師(投資)，主要從事超高層結(jié)構(gòu)設(shè)計(jì)及咨詢工作，Email:JiangKewei@ thape.com.cn。

[引用本文] 蔣科衛(wèi). 俊豪 ICFC 塔樓結(jié)構(gòu)設(shè)計(jì)[ J]. 建筑結(jié)構(gòu)，2022，52(4):31￣38. JIANG Kewei. Structural designof Junhao ICFC tower[J]. Building Structure，2022，52(4):31￣38.