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(中國航空規(guī)劃設(shè)計(jì)研究總院有限公司, 北京 100120)
[摘要]中航資本大廈建筑高度約220m,地上43層,是一座超高層5A甲級寫字樓,為高度超限、平面及豎向不規(guī)則結(jié)構(gòu)。采用鋼管混凝土柱+型鋼混凝土核心筒+環(huán)臂桁架+型鋼樓面梁+現(xiàn)澆混凝土樓板結(jié)構(gòu)體。首先介紹結(jié)構(gòu)體系、地基基礎(chǔ)等設(shè)計(jì)要點(diǎn),重點(diǎn)介紹穿層柱、墻體拉應(yīng)力等設(shè)計(jì)問題的解決方法。根據(jù)工程抗震超限情況提出了抗震性能化設(shè)計(jì)目標(biāo)和方法。小震、中震整體計(jì)算、罕遇地震下彈塑性分析結(jié)果表明,工程的性能化設(shè)計(jì)目標(biāo)合理,結(jié)構(gòu)設(shè)計(jì)安全可靠。
[關(guān)鍵詞]中航資本大廈; 鋼管混凝土柱; 結(jié)構(gòu)體系; 拉應(yīng)力; 環(huán)臂桁架; 抗震性能化設(shè)計(jì)
中圖分類號:TU318文獻(xiàn)標(biāo)識碼:A文章編號:1002-848X(2018)05-0010-08
Structural design of super high-rise Avic Capital Building
Fan Qinxin, Yang Chaojie, Jin Laijian, Xie Jun, Xu Zhijian, Fu Jinlong, Feng Dan, Li Ling
(China Aviation Planning and Design Institute Co., Ltd., Beijing 100120, China)
Abstract:Avic Capital Building with 43-story, 220m-tall, is a high-rise office building, including the characters of height exceeding limitation and plane and vertical irregular. The concrete filled steel tube column frame and steel reinforced concrete-encased core wall and belt truss and steel floor beam and cast-in-place floor slab were adopted. The structural system and foundation were introduced, and the solving methods of main problems about across the floor pillar and shear wall tensile stress action were also mainly introduced. The principles and methods of performance-based seismic design were introduced by the project on structure overlimit situation. To calculate and analyze the overall calculation results of frequent and intermediate earthquake, the static elastic-plastic ultimate seismic analysis under rare earthquake,as shown in the results, the objective of performance design is reasonable, and the structure is safe and reliable.
Keywords:Avic Capital Building; concrete filled steel tube column; structural system; tensile stress; belt truss; performance-based seismic design
作者簡介:樊欽鑫,碩士,高級工程師,一級注冊結(jié)構(gòu)工程師,Email:191128798@qq.com。
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