粉土地层异形大断面顶管隧道防水设计研究与探讨  

Study and Discussion on Waterproofing Design for Special Shape Large Section Pipe-jacking Tunnel under Silt Soil

作　　者：徐薇娜[1] 贾逸[1] 

机构地区：[1]上海市隧道工程轨道交通设计研究院,上海200235

出　　处：《中国建筑防水》2016年第4期13-17,共5页China Building Waterproofing

摘　　要：根据工程特点,因地制宜地制定相关混凝土技术要求及措施,完善结构混凝土自防水体系,是确保结构防水和耐久性的关键。结合郑州市沈庄北路—商鼎路下穿中州大道顶管隧道工程,对在粉土层中的异形大断面顶管混凝土自防水、管节接口防水以及顶管出洞装置的设计进行了论述,以期为今后类似工程的设计及施工积累经验。Formulating relevant concrete technical requirements and measures, and perfecting concrete self-waterproofing system according to project characteristics and local conditions are critical for the structure waterproofing and durability.Combines with the pipe-jacking tunnel project in Zhenzhou, which goes underneath Zhongzhou Avenue from Shenzhuang North Road to Shangding Road, the article discusses the design of concrete self waterproofing, pipe joint waterproofing and pipe outgoing device for special shape large section pipe-jacking under silt soil, in order to accumulate experiences for design and construction of similar projects in the future.

关 键 词：顶管隧道 粉土层 异形 大断面 混凝土自防水 管节接口防水 出洞防水装置 

分 类 号：U452.2[建筑科学—桥梁与隧道工程]