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本文对在软弱围岩条件下的隧道设计及施工技术特点进行了分析 ,涉及超前支护、开挖、二次支护、病害的治理等内容。通过山王庙大跨度隧道的施工 ,介绍了可供借鉴的一些施工技术及手段。
In this paper, the tunnel design and construction technology under the conditions of weak surrounding rock are analyzed, including the advanced support, excavation, secondary support, disease control and so on. Through the construction of the long-span tunnel of Shanwang Temple, some construction techniques and means are introduced.