（大连市建筑设计研究院有限公司，大连 116021）

[摘要]  大连某商场改造项目中，在原有工程的南侧接建钢框架-中心支撑结构。原工程按B类建筑进行抗震鉴定，结果满足要求；接建部分采用钢框架-中心支撑结构，其西南角采用钢桁架托住上层的钢柱，并设置钢吊杆承担一层和二层的荷载，通过合理的节点设计，满足了建筑对立面和空间的要求。

[关键词]  抗震鉴定；桁架；钢吊杆

中图分类号:TU318    文献标示码：A

作者简介：韩光翔，硕士，高级工程师，一级注册结构工程师Email:flyfishx1975@163.com。

Structure design of a mall reconstruction project in Dalian

Han Guangxiang，Wang Zhaojun，Liu Peng，Gao Fang

(Dalian Architectural Design & Research Institute Co., Ltd., Dalian 116021, China)

Abstract：The steel frame-central bracing structure is built in the south of the original building in a  reconstruction project in Dalian. The seismic evaluation results of original structure which is according to construction of class B, meet the requirements. In the southwest corner of the new construction using the steel frame-central bracing structure, the project sets steel trusses to hold the upper steel columns, and steel booms to bear load of the first and second floor. Finally, the construction meets all the requirements of building facade and space through reasonable joint design.

Keywords：seismic evaluation；truss；steel boom

参 考 文 献

[1] GB 50023—2009 建筑抗震鉴定标准[S].北京：中国建筑工业出版社，2009.

[2] GB/T 20934—2007 钢拉杆[S].北京：中国国家标准化管理委员会，2007.