不良地质隧道小管棚预支护施工工艺

Small-tube-shed Pre-supporting Construction Technique Used in Tunnel under Unfavorable Geological Conditions

分析了在不良地质隧道开挖工程中小管棚预支护的工艺特点及适用范围,重点介绍了其工艺原理、工艺流程及操作要点,同时对施工中劳动力的组织、机具设备的配置、施工质量的控制和施工安全措施等进行了总结和概括。

This paper analyzes the technical features and applicability of small-tube-shed pre-supporting construction technique used in tunnel excavation under unfavorable geological conditions, introduces emphatically its technical principles, technical processes and operating points, and sums up the organization of manpower, the allocation of machines and equipment, the control of construction quality, and the safety measures, etc.