甘肃简牍博物馆结构选型与设计  

Structural system optimization and design of Gansu Bamboo Slip Museum

作　　者：刘锋 董凯利[1] 贾俊明[1] 吴翔艳[1] 龙婷 刘涛 LIU Feng;DONG Kaili;JIA Junming;WU Xiangyan;LONG Ting;LIU Tao(China Northwest Architectural Design and Research Institute Co.,Ltd.,Xi’an 710018,China)

机构地区：[1]中国建筑西北设计研究院有限公司,西安710018

出　　处：《建筑结构》2023年第17期69-76,共8页Building Structure

摘　　要：甘肃简牍博物馆位于高烈度区,结构设计使用年限为100年,地震作用大;建筑物布局呈高低错落状布置,为了便于建筑功能布局、使用及后期维护,不设置防震缝,刚度及质量分布不均匀,扭转问题突出;局部大开洞,存在较多联系薄弱部位,局部存在大跨、大悬挑,主体与交通核之间为大跨连廊,采用钢桁架连体连接,基于以上抗震不利因素,对比了层间隔震+钢筋混凝土框架与屈曲约束支撑+钢筋混凝土框架两种结构方案,简要介绍了两种结构方案及整体计算指标,综合考虑受力合理性、安全性、结构冗余度,建筑外立面处理难易程度,功能布局的适用性,施工周期,后期维护、检修及更换的便利性,经济性等各方面因素,最终选取了屈曲约束支撑+钢筋混凝土框架结构方案。Gansu Bamboo Slip Museum is located in the high⁃intensity area,the structural design service life is 100 years,and the earthquake action is large.The layout of the buildings is in a staggered arrangement.In order to facilitate the function layout,use and later maintenance of the building,no seismic joints are set,resulting in uneven stiffness and mass distribution and prominent torsion problems.There are large openings in the local area,many weak parts in connection,large spans and overhang in the local area,and there was a large⁃span corridor between the main body and the traffic core,the large⁃span corridor is connected by steel truss.Based on the above adverse seismic factors,two structural schemes of story seismic isolation+reinforced concrete frame and buckling constraint brace+reinforced concrete frame were compared,and the two structural schemes and overall calculation indexes were briefly introduced.Considering factors such as force rationality,safety,structural redundancy,difficulty of building facade processing,applicability of functional layout,construction period,convenience of later maintenance,overhaul and replacement,and economy,buckling constraint brace+reinforced concrete frame structure scheme was finally selected.

关 键 词：甘肃简牍博物馆 层间隔震 屈曲约束支撑 钢筋混凝土框架 钢桁架 连体结构 

分 类 号：TU318[建筑科学—结构工程]