- 摘 要
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(1 同濟(jì)大學(xué)建筑設(shè)計(jì)研究院(集團(tuán))有限公司, 上海 200092; 2 同濟(jì)大學(xué)建筑工程系, 上海 200092)
摘要: 高層建筑連體結(jié)構(gòu)通過(guò)連接體將不同塔樓連在一起,相比常規(guī)獨(dú)棟塔樓,受力性能更為復(fù)雜,對(duì)結(jié)構(gòu)分析和設(shè)計(jì)提出了更高的要求。 從連體結(jié)構(gòu)基本力學(xué)概念出發(fā),首先介紹了高層連體結(jié)構(gòu)受力特點(diǎn),針對(duì)典型工程案例,分析對(duì)比了與不同塔樓結(jié)構(gòu)形式相適應(yīng)的連接方式。 從結(jié)構(gòu)整體受力、變形以及連接體的受力變形等方面,對(duì)連接體的選型與設(shè)計(jì)進(jìn)行了剖析,總結(jié)了不同連接形式的受力特點(diǎn)、適用情況和設(shè)計(jì)原則。 對(duì)不同工程案例的分析表明,對(duì)柔性連接連體結(jié)構(gòu),連接體對(duì)整體結(jié)構(gòu)受力性態(tài)基本無(wú)影響,可按單塔和連接體分別設(shè)計(jì);而剛性連接連體結(jié)構(gòu),連接體對(duì)整體結(jié)構(gòu)的自振特性、變形特點(diǎn)和受力情況的影響不容忽視,需進(jìn)行單塔和整體結(jié)構(gòu)的包絡(luò)設(shè)計(jì)。
關(guān)鍵詞: 高層建筑; 連體結(jié)構(gòu); 柔性連接; 剛性連接; 受力性態(tài)
中圖分類號(hào):TU393?? 3 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):1002?848X(2022)14?0007?10
DOI:10?? 19701 / j?? jzjg?? LS210364
Mechanical behavior analysis and engineering practice of conjoined structure
WU Honglei1, DING Jiemin1,2, LIU Bo1
(1 Tongji Architectural Design (Group) Co. , Ltd. , Shanghai 200092, China; 2 Department of Building Engineering,Tongji University, Shanghai 200092, China)
Abstract: The conjoined structure of high?rise buildings connects different towers together through connectors. Comparedwith conventional single?family towers, the mechanical performance is more complex, which puts forward higherrequirements for structural analysis and design. Starting from the basic mechanical concept of the conjoined structure, thestress characteristics of the high?rise conjoined structure were firstly introduced. According to the typical engineering cases,the connection methods suitable for different tower structures were analyzed and compared. The selection and design of theconnecting body were analyzed from the aspects of the overall stress and deformation of the structure and the stress anddeformation of the connecting body. The stress characteristics, applicable conditions and design principles of differentconnecting forms were summarized. The analysis of different engineering cases shows that, for the flexible connectedconjoined structure, the connecting body has basically no effect on the mechanical behavior of the overall structure, and canbe designed according to the single tower and the connecting body respectively. While for the rigid connecting conjoinedstructure. The influence of the natural vibration characteristics, deformation characteristics and stress conditions of theoverall structure can not be ignored, and the envelope design of the single tower and the overall structure should be carriedout.
Keywords:high?rise building; conjoined structure; flexible connection; rigid connection; mechanical behavior
第一作者:吳宏磊,博士,教授級(jí)高級(jí)工程師,主要從事復(fù)雜結(jié)構(gòu)研究設(shè)計(jì)工作,Email: 8whl@ tjad. cn。通信作者:劉博,博士,高級(jí)工程師,主要從事復(fù)雜結(jié)構(gòu)研究設(shè)計(jì)工作,Email:52lb@ tjad. cn。[引用本文] 吳宏磊,丁潔民,劉博. 連體結(jié)構(gòu)受力性態(tài)分析與工程實(shí)踐[ J]. 建筑結(jié)構(gòu),2022,52(14):7?16. WU Honglei,DING Jiemin ,LIU Bo. Mechanical behavior analysis and engineering practice of conjoined structure[J]. Building Structure,2022,52(14):7?16.
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