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三车道大跨度高速公路隧道浅埋地段开挖方式是成功的关键 ,不同地质情况必须采用不同的开挖方法 ,才能取得预期的效果。结合昆石高速公路阳宗、小团山隧道开挖实践 ,分析选择方法的依据和失败的教训。
Three-lane long-span highway tunnel excavation shallow section of the tunnel is the key to success, different geological conditions must use different methods of excavation in order to achieve the desired results. Combined with the practice of Yangzong and Xiaotuanshan tunnel excavations on Kunming-Shiyan Expressway, the basis and failure of the selection method are analyzed.