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(中國建筑西南設(shè)計研究院有限公司, 成都 610041)
[摘要]青島浙商國際項目A塔結(jié)構(gòu)高度220-75m,主體結(jié)構(gòu)采用鋼筋混凝土筒中筒結(jié)構(gòu)體系。主要介紹了工程結(jié)構(gòu)特點和超限情況,針對超限情況提出相應(yīng)的應(yīng)對加強(qiáng)措施,以保證整體結(jié)構(gòu)安全可靠、經(jīng)濟(jì)合理。采用多種軟件對結(jié)構(gòu)性能進(jìn)行了多遇地震、設(shè)防地震和罕遇地震下的計算分析,并對斜柱、特殊樓層樓板、轉(zhuǎn)換桁架關(guān)鍵節(jié)點等重要部件進(jìn)行補(bǔ)充驗算。結(jié)果表明,所提出的應(yīng)對加強(qiáng)措施是安全有效的,能夠?qū)崿F(xiàn)“三水準(zhǔn)”抗震性能設(shè)計目標(biāo)。
[關(guān)鍵詞]超高層建筑; 桁架轉(zhuǎn)換; 斜柱; 性能化抗震設(shè)計
中圖分類號:TU973-3文獻(xiàn)標(biāo)識碼:A文章編號:1002-848X(2019)05-0065-06
Structural design of super-rise building of Qingdao Zhejiang Chamber of Commerce International Project
Han Xia, Chen Zhiqiang, Li Jianqun, Feng Zhongwei, Chen Linzhi
(China Southwest Architectural Design and Research Institute Co., Ltd., Chengdu 610041, China)
Abstract:Tower A of Qingdao Zhejiang Chamber of Commerce International Project adopts reinforced concrete tube-in-tube structure system, with structural height of 220-75m. The characteristics and out-of-code circumstances of the structure were introduced. Considering the out-of-code conditions,corresponding seismic measures were proposed to ensure the safety, reliability and economic rationality of the overall structure. Multiple kinds of software were used to calculate and analyze the structure performance under frequent earthquake, fortification earthquake and rare earthquake. Supplementary checking analysis were conducted on significant members,such as inclined column, slab of special floor and key joints of transfer truss. The results show that specific strengthening measures proposed are safe and effective, andthe designed seismic performance objective of “three levels” can be achieved.
Keywords:super-rise building; transfer truss; inclined column; performance-based seismic design
作者簡介:韓夏,碩士,工程師,一級注冊結(jié)構(gòu)工程師,Email:hanxiamail@163.com。