超长距离大口径钢管顶进方向控制技术
Technique for Direction Controlling of Ultra-Long Distance and Large Caliber Steel Pipe-jacking
杨国新Yangguoxin 孙焕斌Sunhuanbin
(中国中铁四局集团有限公司市政工程分公司,湖北省襄樊市星火路20号,邮编441000)
(China Railway No.4 Engineering Group Co.Ltd, Municipal Engineering Branch,Xingfan,Hubei,441000)
摘要 本文分析了超长距离大口径钢顶管方向控制的技术难点和解决办法,结合在上海青草沙原水工程中的施工实例,重点介绍了过渡段辅助纠偏、超长距离顶管自动测量导向技术的具体实施方法,以及实施结果。
【Abstract】Combining with the practical construction in Shanghai Qingcaosha Original Water Project, in this article, the author analyze the technique difficulty and solution measures for direction controlling of the ultra-long distance and large caliber steel pipe-jacking , and emphasis on the implementation means and effect of the assistance deviation-rectifying technique for transition section and automatic measurement guiding technique for pipe-jacking.
关键词 超长距离 大口径 钢管 顶管 方向控制
【Key Words】ultra-long distance; large caliber; steel pipe; pipe-jacking; direction controlling