（奥雅纳工程顾问， 北京 100020）

［摘要］京广中心加固改造工程主要分为混凝土结构加固和钢结构加固两部分。混凝土结构加固主要采用粘钢加固、增大截面加固、包钢加固、上翼缘增加次梁加固、增加剪力墙加固等几种方法；钢结构加固主要采用下翼缘加焊钢板、增加倒T形截面、上翼缘增加次梁、上翼缘增加隅撑等加固方法。加固设计时根据现场实际情况，综合考虑设计、施工、验收等多方面因素，选择了最适合的加固方法。

［关键词］粘钢加固； 增大截面加固； 包钢加固； 增加次梁加固； 增加剪力墙加固； 钢结构加固

中图分类号：TU7463文献标识码：A文章编号：1002848X(2014)24008906

Reinforcement and reconstruction design of Jing Guang Center

Zhong Congming, Zhu Yansong, Wang Fu′an

 (Arup, Beijing 100020, China)

Abstract:Reinforcement and reconstruction project of Jing Guang Center mainly involved two parts, the reinforced concrete structure strengthening work and steel structure strengthening work. For the reinforced concrete structure strengthening work, bond steel reinforcement, strengthening of increasing the crosssection, cladding steel  strengthening and strengthening by adding the secondary beam and strengthening by adding shear wall were used. For steel structure  strengthening work, the welded steel plate to the  lower flange, attaching the inverted Tshaped crosssection, and the upper flange strengthening by adding the secondary beam and inserting the knee bracing were mainly included. The strengthening design need to consider the actual situation of the site, design, construction, inspection and other factors to select the most suitable strengthening method.

Keywords:bond steel reinforement; strengthening of increasing the crosssection; cladding steel strengthening; strengthening by adding the secondary beam; strengthening by adding shear wall; steel structure strengthening

作者简介：钟聪明，硕士，一级注册结构工程师，Email：congmingzhong@163.com。

参考文献

［1］GB 50367—2006 混凝土结构加固设计规范［S］.北京:中国建筑工业出版社,2006.

［2］JGJ  116—2009 建筑抗震加固技术规程［S］.北京:中国建筑工业出版社,2009.

［3］CECS 77∶96 钢结构加固技术规范［S］.北京:中国计划出版社,2005.

［4］06 SG3111 混凝土结构加固改造图（上册）［S］. 北京:中国计划出版社,2007.