几种常用非开挖施工工艺的应用和比较

Application and Comparison of Several Common Trenchless Technologies

介绍了排污管网改造中常用的几种非开挖施工工艺,包括手掘式工具管顶管、挤压式工具管顶管、挤密式钢管顶管和牵引管工艺,总结了其各自的优、缺点,并列举了几个有代表性的工程实例,对其主要技术、经济指标作了对比。

Several common trenchless technologies in the reconstruction of draining systems, including hand-held tool jacking, pressing tool jacking, dense steel tube jacking and traction tube, were introduced. The advantages and disadvantages of the four technologies were also summarized. A number of representative practical cases were selected, and their main technical and economical indexes were compared.