（广东省重工建筑设计院有限公司， 广州 510670）

［摘要］随着城市化进程和城市轨道交通的不断发展，城市对快速交通系统覆盖需求越来越大，车站站点密度需求越来越高。高架车站具有建设周期快、成本低的优点，是城市轨道交通建设的重要组成部分。在地铁线路建设过程中，部分站点存在因规划等原因未能与线路同步建设，条件变化后而增设的情况。结合实际项目介绍了既有运营城市轨道交通线路增设高架车站结构设计及保护方案，在保证了行车安全的前提下，结构设计满足要求，同时保证了施工进度和质量，获得了较好的经济效益和社会效益。广州轨道交通四号线庆盛站成为了目前全国范围内首个成功实现在既有运营线路上增设的高架车站，为行业提供了成功参照案例。

［关键词］既有轨道交通； 高架车站； 建桥分离； 现浇+预制站台板； 不间断保护方案

中图分类号：TU391， TU375文献标识码：A文章编号：1002-848X(2020)15-0053-05

Structural design of adding elevated stations to existing urban rail transit lines

TAN Wei, YAN Xiaofeng, YANG Simou, WU Zhongyan

(Guangdong Zhonggong Architectural Design Institute Co., Ltd., Guangzhou 510670, China)

Abstract:With the urbanization process and the continuous development of urban rail transit, the coverage demand for rapid transit system coverage is increasing, and the demand for station density is increasing. With the advantages of fast construction cycle and low cost, elevated station is an important part of urban rail transit construction. In the process of metro line construction, some stations fail to be built synchronously with the line due to planning and other reasons, and are added after the conditions change. Combined with the actual project, the structural design scheme and protection scheme of the elevated station added to the existing urban rail transit lines were introduced. On the premise of ensuring the traffic safety, the structural design meets the requirements, while ensuring the construction progress and quality, and better economic and social benefits were obtained. Qingsheng station of Guangzhou Rail Transit Line 4 has become the first elevated station successfully added to the existing operation lines in the whole country, providing a successful reference case for the industry.

Keywords:existing rail transit; elevated station;  bridge separation; cast\|in\|place+prefabricated platform plate; uninterrrupted protection scheme

作者简介：谭玮，硕士，教授级高级工程师，Email: 715014130@qq.com； 通讯作者：杨思谋，硕士，高级工程师，Email:309613394@qq.com。