大口径长距离机械顶管施工技术的应用研究

结合某市政污水处理的工程实例,分析了顶管施工中气压平衡和泥水平衡两类顶管施工技术的基本工作原理,简单介绍了其使用的主要设备及其作用,详细阐述了顶管施工技术,应用分析以及施工的措施,进一步总结出顶管技术的两个关键环节是顶进速度和管线定位,这两个关键环节控制的程度好坏直接影响着工程的质量。

Research on application of construction technique of large-diameter and long distance mechanical pipe jacking

Combining with the engineering case of some municipal sewage treatment,the paper introduces the basic working principles for the two kinds of the pipe jacking construction techniques,that is the atmosphere pressure balance and the cement balance,indicates its main equipment and its effect,illustrates the pipe jacking construction technique,its application analysis and the measures for the construction,and sums up the two key steps for the pipe jacking technique are the jacking speed and the pipeline location,and explores the control over the two steps affects the engineering quality directly.