- 摘 要
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（深圳市力鵬工程結(jié)構(gòu)技術(shù)有限公司， 深圳 518034）
［摘要］安信金融大廈為超B級高度的復(fù)雜高層建筑，采用現(xiàn)澆鋼筋混凝土框架（帶柱轉(zhuǎn)換）-兩端邊筒結(jié)構(gòu)體系，兩端的筒體平面尺度和豎向布置不對稱，抗側(cè)剛度明顯不均勻；主要柱網(wǎng)均設(shè)置了19-6m跨度的托柱轉(zhuǎn)換桁架；較多樓層設(shè)置了大面積的樓板開洞，屬于特別不規(guī)則建筑。基于性能的抗震設(shè)計方法，結(jié)合項目具體的超限情況，深入研究結(jié)構(gòu)在豎向荷載、地震、風(fēng)荷載作用下的受力性能，對結(jié)構(gòu)可能的薄弱環(huán)節(jié)或部位進(jìn)行重點分析，采取了設(shè)置伸臂桁架、跨層支撐、型鋼混凝土構(gòu)件、提高轉(zhuǎn)換層樓板和剪力墻的配筋率等加強(qiáng)措施，保證了結(jié)構(gòu)安全。
［關(guān)鍵詞］安信金融大廈； 框架-兩端邊筒結(jié)構(gòu)； 轉(zhuǎn)換桁架； 樓板不連續(xù)
中圖分類號：TU318文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2017)03-0047-09
Study on several problems in structural design of Anxin Financial Building
Sun Renfan, Wu Hubao, Wang Yanqing, Wei Lian
（Shenzhen Li Peng Structural Engineering Technology Co., Ltd., Shenzhen 518034, China）
Abstract:Anxin Financial Building is a complex high-rise building that exceeds B-level height requirement of the code. It adopts cast-in-situ reinforced concrete frame-two side tubes structural system and the plane dimensions and vertical layouts of the two tubes at two sides are asymmetrical, and the lateral resistant stiffness is obviously not well-distributed. The 19-6m-span transfer trusses to support columns are set in all main column grids. Large slab openings are adopted in many floors. In conclusion, the building is a highly irregular structure. Combining with specific out-of-code conditions of the project, performance-based seismic design method was used to study the mechanical performances of the building in depth under vertical load, earthquake and wind load actions. The possible weak parts or members of the structure were also analyzed emphatically. Several reliable reinforcement measures were proposed to ensure the structure safety, such as setting the cantilever truss, cross-layer brace, steel reinforced concrete components, and increasing the reinforcement ratio of transfer slab and shear wall.
Keywords:Anxin Financial Building; frame-two side tubes structure; transfer truss; slab discontinuousness
作者簡介：孫仁范，碩士，教授級高級工程師，一級注冊結(jié)構(gòu)工程師， Email：sunrenfan@163.com。
