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(啟迪設(shè)計(jì)集團(tuán)股份有限公司, 蘇州 215021)

摘要: 蘇州某軌道交通控制中心作為設(shè)計(jì)使用年限為 100 年的重點(diǎn)設(shè)防類(lèi)建筑,在構(gòu)件尺寸控制、結(jié)構(gòu)體系選取及保護(hù)層厚度選取等方面有其自身的特殊性. 針對(duì)以上難點(diǎn)進(jìn)行了分析并采取了相關(guān)措施,如改變結(jié)構(gòu)體系、剪力墻中增設(shè)型鋼等. 系統(tǒng)地闡述了本工程的抗震設(shè)計(jì)思路:小震作用下采用兩個(gè)不同軟件對(duì)結(jié)構(gòu)整體進(jìn)行計(jì)算分析對(duì)比,并對(duì)特殊部位補(bǔ)充了彈性時(shí)程分析;中震作用下對(duì)各部位關(guān)鍵構(gòu)件制定了合理的性能目標(biāo),并進(jìn)行了針對(duì)性設(shè)計(jì)及加強(qiáng);大震作用下采用靜力彈塑性方法進(jìn)行了極限承載能力下的變形分析. 結(jié)果滿足“小震不壞、中震可修、大震不倒”的抗震要求,保證了結(jié)構(gòu)體系抗震性能的安全性、合理性、可靠性. 通過(guò)以上措施及相關(guān)分析表明:結(jié)構(gòu)的各項(xiàng)指標(biāo)均滿足規(guī)范要求,結(jié)構(gòu)安全可靠.

關(guān)鍵詞: 軌道交通控制中心; 抗震設(shè)計(jì); 時(shí)程分析; 性能化設(shè)計(jì)

中圖分類(lèi)號(hào):TU398. 7 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):1002?848X(2022)07?0118?05

DOI:10. 19701 / j.jzjg.SZY2123

Seismic design of the structure of a rail transit control center in Suzhou

ZHU Liming, ZHANG Min, ZHU Yi

(Tus?Design Group Co., Ltd., Suzhou 215021, China)

Abstract: As a key fortified building with a design service life of 100 years, a rail transit control center in Suzhou has itsown particularities in terms of component size control, structural system selection and protective layer thickness selection.The above difficulties were analyzed and relevant measures were taken, such as changing the structural system, addingsection steel in the shear wall, etc. Systematically expounding the seismic design ideas of this project: under the action ofsmall earthquakes, two different software were used to calculate, analyze and compare for the overall structure, and theelastic time history analysis was carried out for supplement special parts. Reasonable performance targets were formulated forthe key components of each part under the action of moderate earthquakes, and targeted design and reinforcement werecarried out. Under the action of large earthquakes, the static elastic?plastic method was used to carry out the deformationanalysis under the ultimate bearing capacity. The results meet the seismic requirements of " no damage in smallearthquakes, repairable in moderate earthquakes, and no collapse in large earthquakes" , which ensures the safety,rationality and reliability of the seismic performance of the structural system. The above measures and related analysis showthat all the indexes of the structure meet the requirements of the specification, and the structure is safe and reliable.

Keywords:rail transit control center; seismic design; time?history analysis; performance?based design

第一作者:朱黎明,碩士,高級(jí)工程師,主要從事結(jié)構(gòu)設(shè)計(jì)工作,Email:287613563@ qq.com.

[引用本文] 朱黎明,張敏,朱怡. 蘇州某軌道交通控制中心結(jié)構(gòu)抗震設(shè)計(jì)[ J]. 建筑結(jié)構(gòu),2022,52(7):118?122.ZHU Liming,ZHANG Min,ZHU Yi. Seismic design of the structure of a rail transit control center in Suzhou[ J]. BuildingStructure,2022,52(7):118?122.