深港开放创新中心连体结构设计

引用文献:

覃建华 ,周斌, 陈琳. 深港开放创新中心连体结构设计[J]. 建筑结构,2022,48(23):69-77.

QIN Jianhua ,ZHOU Bin ,CHEN Lin. Connected structure design of Shenzhen-Hong Kong Open Innovation Center[J]. Building Structure,2022,48(23):69-77.

作者:覃建华 ,周斌, 陈琳
单位:深圳市建筑设计研究总院有限公司
摘要:深港开放创新中心由西至东跌落退台,逐渐收进,中部形成中央庭院,中庭区域通过室内连廊和观光楼梯相连,两栋塔楼分别在低区3~4层、高区11~14层通过三座跨2层高和一个跨4层高的连廊连接。结构存在扭转不规则及偏心布置、凹凸不规则等6个不规则项,属于高层超限结构。简要介绍了项目的整体情况,重点叙述了设计关键点:跨地块连廊分析、大跨转换桁架分析、斜柱和分叉柱分析等;同时进行了小震、中震弹性、大震弹塑性分析,并对分析结果提出了针对性的加强措施。通过基于抗震性能的分析,工程满足“小震不坏、中震可修、大震不倒”设防目标要求,可以实现预期的抗震性能目标C级要求。
关键词:深港开放创新中心;连体结构;高层超限结构;跨地块连廊;大跨转换桁架;斜柱;分叉柱;性能目标;
作者简介:覃建华,学士,高级工程师,一级注册结构工程师,主要从事建筑结构设计工作,Email:332972135@qq.com。
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Connected structure design of Shenzhen-Hong Kong Open Innovation Center
QIN Jianhua ,ZHOU Bin ,CHEN Lin
(Shenzhen General Institute of Architectural Design and Research Co.,Ltd.)
Abstract: Shenzhen-Hong Kong Open Innovation Centre fell back from west to east and gradually in, form the central courtyard, central atrium area is connected by an indoor corridor and a sightseeing staircase, and the two tower buildings respectively in low area 3~4 layers, high area 11~14 layer through three across different 2 floors and a nest of 4 floors connection. The structure has 6 irregularity items such as torsion irregularity and eccentricity arrangement, concave-convex irregularity etc., which belongs to the over-limited high-rise structure. The overall situation of the project was briefly introduced, and the key points of the design were described with emphasis on: cross-block corridor analysis, large-span conversion truss analysis, inclined column and bifurcated column analysis, etc. At the same time, small earthquake, medium earthquake elasticity and large earthquake elastic-plastic analysis were carried out, and the corresponding strengthening measures were proposed for the analysis results. Through the analysis based on the seismic performance, the project meets the fortification target requirements of "not bad under small earthquake, repairable under medium earthquake, not collapse under large earthquake", and can achieve the expected seismic performance target class C requirements.
Keywords: Shenzhen-Hong Kong Open Innovation Centre; connected structure; out-of-code high-rise structure; cross-block corridor; large-span conversion truss; inclined column; bifurcated column; performance objective
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