大跨度镶嵌碎裂结构隧道稳定性分析及施工

On stability analysis of tunnels with large-span inlaying fragmentation structure and its construction

结合扁平状大跨度、大断面镶嵌碎裂结构石灰岩质隧道的工程地质特点,对其围岩稳定性进行了分析,剖析了镶嵌碎裂结构石灰岩对大跨度、大断面隧道开挖和支护的影响作用,提出了相应的施工措施和方案,确保了隧道"安全、有序、高效"施工。

Combining with the engineering features of the slab-shaped large-span and large-section inlaying fragmentation structure limestone tunnel, the paper analyzes the stability of the surrounding rock, analyzes the influence of the inlaying fragmentation structure limestone on the large- span and large-section tunnel excavation and the support, and points out the respective construction measures and schemes, so as to ensure the tunnel construction to be safe, orderly and efficient.