泥水平衡法顶管在大口径管道穿越高速公路中的应用

摘要

文章介绍了泥水平衡法顶管机的施工特点、工艺原理、施工工艺、主要材料及机具、顶管设备安装、进出洞措施、触变泥浆减阻和水泥浆置换、纠偏测量及控制、沉降、位移监测、质量控制和应用实例。特别就工作坑和接收坑的施工、注浆减摩、顶进方向控制作了重点阐述。%The article introduces the construction traits,principle,technology,main materials,tools,the installation of slurry balance pipe jacking machine,and the measures of departure and reception as well,it also introduces the measures of thixotropic slurry to reduce resistance,cement slurry exchange,deviation control and so on,highlighting the construction of work pit,the technology of reducing friction through injecting slurry,and the control of tunneling direction.