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文章介绍了桃坝隧道浅埋段的长大管棚施工方法,讲述了长大管棚的施工工艺和流程,从明洞边迎坡开挖与支护、施工机具选择、管棚参数、钢管制备等方面阐述了各项施工准备,重点从搭设平台及安装钻机、钻孔和注浆方面说明管棚施工过程控制,简述了一期管棚段开挖及二期管棚施工和管棚施工的作用及成效。
The article introduces the construction method of the long and big pipe shed in the shallow buried section of Taoba tunnel, describes the construction process and flow of the long pipe shed, excavation and support from the side slope of Myeong-dong, choice of construction machinery, pipe shed parameters, Preparation and other aspects of the construction of the preparation described, focusing on the erection of the platform and the installation of drilling rigs, drilling and grouting instructions pipe shed construction process control, a brief description of the first phase of pipe and shed excavation and two shed construction and shed The role of construction and effectiveness.