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拱北隧道曲线顶管管幕施工关键技术
收稿日期: 2016-02-01
修回日期: 2016-03-09
网络出版日期: 2016-08-17
Key Construction Technologies for Curved Jacking Pipe Roofing of Gongbei Tunnel
Received date: 2016-02-01
Revised date: 2016-03-09
Online published: 2016-08-17
张鹏 , 潘建立 , 刘应亮 , 马保松 . 拱北隧道曲线顶管管幕施工关键技术[J]. 隧道建设, 2016 , 36(8) : 968 -975 . DOI: 10.3973/j.issn.1672-741X.2016.08.012
The construction difficulties of curved jacking pipe roofing of Gongbei Tunnel under complex soft soil, high groundwater pressure and sensitive environment conditions are analyzed. The technologies adopted include pipe jacking machine selection, launching and receiving under high groundwater pressure technology, accuracy control of small span curved jacking, pipeline structure and sealing test and treatment of pipe jacking slurry and obstacles. Good effects have been achieved.
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