下穿隧道卵石地层组合式SMW搅拌桩施工技术

Construction Technology of Composite SMW Mixing Pile for the Diversion Tunnel in Pebble Stratum

随着三线、四线城市的发展,城市的拥堵已成为解决交通问题的首要任务,下穿隧道的修建越来越多。如何处理好复杂地质条件下下穿隧道的施工成为急需解决的关键问题。论文结合具体工程应用,详细阐述了下穿隧道卵石地层组合式SMW搅拌桩施工特点、原理及方法。结果表明,该施工技术是经济可行的。

With the development of three lines and four lines city,urban congestion has become the most important task to solve the traffic problems.How to solve the problem of the construction of the tunnel under complicated geological condition becomes the key problem to be solved urgently.Combining with the application of solid engineering,the construction characteristics,the principle and method of the combined SMW mixing pile in the lower tunnel are introduced.The results show that the construction technology is economical and feasible.