公路隧道综合管沟施工工艺及控制要点  

CONSTRUCTION TECHNOLOGY AND CONTROL POINTS OF INTEGRAL TRENCH IN HIGHWAY TUNNEL

作　　者：张春成 陈家欣 马伸康 李通 孔凡胜 李达强 Zhang Chun-cheng;Chen Jia-xin;Ma Shen-kang;Li Tong;Kong Fan-sheng;Li Da-qiang

机构地区：[1]中铁三局集团第四工程有限公司,北京100000 [2]吉林大学建设工程学院,长春130000

出　　处：《建筑技术开发》2023年第2期132-134,共3页Building Technology Development

摘　　要：为解决寒区公路隧道消防管道的防冻问题,桓仁–集安段高速公路大路2号隧道工程首次应用综合管沟技术。文中介绍了有仰拱段综合管沟的施工工艺,主要包括仰拱开挖支护、防排水措施、管沟立模浇筑和仰拱回填。重点介绍了施工过程中的控制要点,总结了综合管沟技术在寒区公路隧道工程中应用的优势,可为综合管沟的施工和推广提供借鉴。In order to solve the problem of anti-freezing of tunnel fire pipeline in cold area,the integrated trench technology is applied in tunnel No.2 of Huanren-Ji’an Highway for the first time.The construction technology and of integral trench with inverted arch section are introduced,which mainly includes excavation and support of inverted arch,water proof and drainage,vertical shuttering grouting of integral trench and backfilling of inverted arch.The construction control points are highlighted,and the advantages of integral trench technology are summarized,which can provide reference for the construction of integral trench.

关 键 词：综合管沟 施工工艺 寒冷地区 公路隧道 

分 类 号：U449[建筑科学—桥梁与隧道工程]