- 摘 要
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(東南大學建筑設計研究院有限公司, 南京 210096)
摘要: 海門文化中心劇院由三棟塔樓連接而成,塔樓之間通過弱連接體連接,連接體最大跨度達 80m. 通過動力微分方程的定性推導明確連體結(jié)構(gòu)分析的重點為弱連接連體結(jié)構(gòu)支座的水平剛度. 對整體結(jié)構(gòu)進行了多遇地震作用下的彈性時程分析和罕遇地震作用下的彈塑性時程分析,對比不同弱連接支座對結(jié)構(gòu)的變形、內(nèi)力以及塔樓動力特性的影響,得出鉛芯橡膠支座最為合理. 分析結(jié)果表明,連體結(jié)構(gòu)通過鉛芯橡膠支座連接時能夠發(fā)揮弱連接作用,減小連接體對塔樓的不利影響,同時能滿足支座的變形要求.
關鍵詞: 海門文化中心劇院; 弱連接; 橡膠支座; 彈性鋼支座; 隔震設計; 支座水平剛度
中圖分類號:TU318 文獻標志碼:A 文章編號:1002-848X(2023)02-0050-05
DOI:10. 19701 / j. jzjg. ZJ220030
Analysis on weakly-connected bearings type selection on large-span connected structure of Haimen Cultural Center Theater
LI Liang
(Architects & Engineers Co. , Ltd. of Southeast University, Nanjing 210096, China)
Abstract: Haimen Cultural Center Theater consists of three towers connected by weak connection with a maximum span of80m. Through the qualitative derivation of the dynamic differential equation, it is clear that the key point of the analysis ofthe connected structure is the horizontal stiffness of the weakly-connected structure bearings. The elastic time-historyanalysis of the whole structure under frequent earthquakes and elasto-plastic time-history analysis under rare earthquakeswere carried out, and the influence of different weakly-connected bearings on the deformation, internal force and dynamiccharacteristics of the tower was compared. It is concluded that the lead rubber bearing is the most reasonable. The analysisresults show that the connected structure with the lead rubber bearing can play a weakly-connected role, reduce the adverseimpact of the connection on the tower, and meet the deformation requirements of the bearing.
Keywords:Haimen Cultural Center Theater; weakly-connected; rubber bearing; elastic steel bearing; seismic isolationdesign; horizontal stiffness of bearing
∗東南大學建筑設計研究院有限公司科研項目(2020-14).
第一作者:李亮,碩士,高級工程師,一級注冊結(jié)構(gòu)工程師,主要從事復雜結(jié)構(gòu)設計工作,Email:ll_civil@ foxmail. com.
[引用本文] 李亮. 海門文化中心劇院大跨度連體結(jié)構(gòu)弱連接支座選型分析[J]. 建筑結(jié)構(gòu),2023,53(2):50-54. LILiang. Analysis on weakly-connected bearings type selection on large-span connected structure of Haimen Cultural CenterTheater[J]. Building Structure,2023,53(2):50-54.
