软土地区矩形顶管下穿高速公路施工安全控制研究——以天津地铁4号线地铁车站为例  

Research on Construction Safety Control of Rectangular Pipe Jacking under Highway in Soft Soil Areas ——Taking the Subway Station of Tianjin Metro Line 4 as an Example

作　　者：张敬磊 程伟峰 Zhang Jinglei;Cheng Weifeng(CCCC(Tianjin)Rail Transit Engineering and Construction Co.,Ltd.,Tianjin 300211)

机构地区：[1]中交(天津)轨道交通工程建设有限公司,天津300211

出　　处：《工程技术研究》2022年第5期61-63,共3页Engineering and Technological Research

基　　金：中交第二公路工程局有限公司2021年重点科技研发项目“矩形顶管下穿高速公路施工监测分析与地面沉降控制技术研究”(2021S-5-16)。

摘　　要：文章依托天津地铁4号线地铁车站出入口通道工程,以软土地区矩形顶管下穿高速公路施工为背景,着重研究矩形顶管在下穿高速施工过程中的安全问题,总结地表变形特征。通过科学改进施工工艺,优化施工工序,严密控制风险,同时制订相关安全、质量保障措施,增强矩形顶管工程施工现场安全生产防护能力,提高社会效益和经济效益,降低施工风险,保障施工质量,研究成果为今后矩形顶管安全施工提供可参考的依据。Based on the entrance and exit channel project of Tianjin Metro Line 4 subway station,this paper takes the rectangular pipe jacking under highway construction in soft soil areas as the background,focuses on the safety problems of rectangular pipe jacking under highway construction,and summarizes the surface deformation characteristics.By scientifically improving the construction technology,optimizing the construction procedures,strictly controlling the risk,and formulating relevant safety and quality assurance measures at the same time,the safety production protection ability of rectangular pipe jacking engineering construction site is enhanced,the social and economic benefits are improved,the construction risks are reduced,and the construction quality is guaranteed.The research results provide references for the safe construction of rectangular pipe jacking in the future.

关 键 词：软土地区 矩形顶管 风险因素 安全控制 

分 类 号：TU990.3[建筑科学—市政工程]