（北京市建筑设计研究院有限公司， 北京 100045）

［摘要］北京鲜活农产品流通中心是北京及周边重要的农产品交易运输枢纽之一，分为交易区和服务区。其中交易区地下长540m、宽210m，地上分为8个结构单元，每个结构单元长度为80～110m。交易区结构体系采用加消能减震（BRB和MD）技术的现浇钢筋混凝土框架。本工程的特点是超长、超重、高大空旷，故对于该工程超重动荷载与超长混凝土结构的耦合问题进行了专项研究，采用预应力技术改善其结构服役表现；针对高烈度区、超重荷载、层高大等特点，引入减隔震技术，减小地震作用，提高抗震性能，从而保证结构安全，并进行超长、超重结构分析以及大震下动力弹塑性计算。

［关键词］超重荷载； 超长结构； 消能减震

中图分类号：TU352.1文献标识码：A文章编号：1002-848X(2017)18-0070-05

Structural design of Beijing Fresh Agricultural Products Disteribution Center

Wang Ran,  Shu Weinong, Zhang Yanhe, Li Boyu ,  Yu Senlin,  Bi Pengfei,  Zhang Meng,  Hao Shumin,  Zhang Ran

(Beijing Institute of Architectural Design, Beijing 100045, China)

Abstract:Beijing Fresh Agricultural Products Disteribution Center is one of the important transportation hubs for agricultural commodities trading in Beijing and surrounding areas, which is divided into trading areas and service areas. The trading area is 540m long and 210m wide underground, and there are 8 structural units with 80～110 meters in length for each unit. The structural system of trading area adopts the reinforced concrete frame with the buckling restrained braces and mass dampers as energy dissipation measures. The features of this project are overlength, overload, tall and empty, etc. Special studies were conducted for the coupling issue of overload and overlength concrete structure, and prestress technique was used to improve its structural service performance. In order to ensure the structural safety, the seismic isolation and energy dissipation technologies were introduced to reduce the seismic action and improve the seismic performance, considering the high intensity area, overload and high floor height. The structural analysis of super-long and overweight structure  and the dynamic elasto-plastic calculation under the rare earthquakes were carried out.

Keywords:over weight load; super long structure; energy dissipation

作者简介：王然，本科，高级工程师，一级注册结构工程师，Email：184139447@qq.com.cn。