大跨径隧道开挖施工技术研究

Research on Excavation Construction Technology of Long-Span Tunnel

以实际工程项目为例,介绍了项目具体的工程地质条件,指出大跨径隧道开挖施工技术控制要点,包括隧道进出口工程地质评价、炮眼布置参数、隧道衬砌设计、开挖方法以及隧道施工监控量测,分析了大跨径隧道开挖施工技术的应用效果。

Taking the actual engineering project as an example, the paper introduces the specific engineering geological conditions of the project, points out the key points of the construction technology control of the long-span tunnel excavation, including the tunnel entrance and exit engineering geological evaluation, borehole layout parameters, tunnel lining design, excavation method and tunnel construction monitoring measurement, and analyzes the application effect of the construction technology of the long span tunnel excavation.