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淮州新城國(guó)際會(huì)展中心抗震性能化設(shè)計(jì)
謝軍1,孫亞琦2,鄒翔2,賈雨萌1,樊欽鑫1,楊超杰1
摘 要

(1 中國(guó)航空規(guī)劃設(shè)計(jì)研究總院有限公司, 北京 100120;2 成都淮州新城建設(shè)投資有限公司, 成都 610404)

[摘要]淮州新城國(guó)際會(huì)展中心結(jié)構(gòu)主體由桁架體系、屋面網(wǎng)格及下部框架支撐(屈曲約束支撐)體系組成。結(jié)構(gòu)存在樓板大開(kāi)洞、穿層柱、扭轉(zhuǎn)不規(guī)則等超限項(xiàng)目,為復(fù)雜超限鋼結(jié)構(gòu)。根據(jù)結(jié)構(gòu)的受力特點(diǎn),對(duì)不同的結(jié)構(gòu)部位提出了相應(yīng)的抗震性能目標(biāo),并采用MIDAS Gen和SAUSAGE軟件進(jìn)行了結(jié)構(gòu)多水準(zhǔn)內(nèi)力分析,通過(guò)抗震性能化設(shè)計(jì)和合理的抗震措施,確保結(jié)構(gòu)具有足夠的抗震能力,滿足抗震設(shè)防要求。采用ANSYS軟件進(jìn)行了關(guān)鍵節(jié)點(diǎn)的有限元分析以確保節(jié)點(diǎn)的安全可靠。結(jié)果表明,結(jié)構(gòu)采用的性能化設(shè)計(jì)方法和加強(qiáng)措施是安全可靠的,能夠?qū)崿F(xiàn)“三水準(zhǔn)”抗震性能設(shè)計(jì)目標(biāo)。 

[關(guān)鍵詞]淮州新城國(guó)際會(huì)展中心;超限鋼結(jié)構(gòu);性能化設(shè)計(jì);關(guān)鍵構(gòu)件;屈曲約束支撐

中圖分類號(hào):TU318 文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1002-848X(2021)13-0052-07

 

 Anti-seismic performance-based design of Huaizhou New City International Convention and Exhibition Center  

XIE  Jun1,  SUN  Yaqi2,  ZOU  Xiang2,  JIA  Yumeng1,  FAN  Qinxin1,  YANG  Chaojie1 

(1 China Aviation Planning and Design Institute Co., Ltd., Beijing 100120, China;2 Chengdu Huaizhou New City Construction Investment Co., Ltd., Chengdu 610404, China) 

Abstract: The main structure of Huaizhou New City International Convention and Exhibition Center is composed of truss system, roof grid and lower frame-brace (buckling restraint brace) system. The structure is a complex over-limit steel structure, whose out-of-code contents include large holes in the floor, skip-floor columns, and irregular torsion. According to the mechanical characteristics of the structure, corresponding anti-seismic performance-based targets were proposed for different structural parts, and the multi-level internal force analyses of the structure were carried out using MIDAS Gen and SAUSAGE softwares. The anti-seismic performance-based design and reasonable seismic measures were adopted to ensure that the structure has sufficient seismic capacity and meet the requirements of seismic fortification. The finite element analysis of the key nodes was carried out using ANSYS software to ensure the safety and reliability of the nodes. The results show that the anti-seismic performance-based design methods and strengthening measures proposed in the structure are safe and effective, and can achieve the performance-based seismic design goals of “three-level”. 

Keywords:Huaizhou New City International Convention Center; out-of-code steel-structure; performance-based design; key component; bucking restraint brace

 

 作者簡(jiǎn)介:謝軍,碩士,工程師,Email:xiejun@avic-aic.com。

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