【摘要】 通过十天高速汉中—略阳段邓家坡隧道的洞口进洞方案研究,对浅埋、偏压和软岩地段隧道的进洞方案进行对比,并结合工程实际,提出相应的施工方案,为浅埋、偏压和软岩地段的隧道建设提供了一定的指导。更多还原

【Abstract】 Through studying the tunnel entrancing program of Dengjia slope at Hanzhong-Lueyang section of Shi-Tian highway,the paper compares the hole entrancing schemes of shall-burying,unsymmetrical loading and soft rock section tunnel.Combining with the engineering practice,it puts forward corresponding construction schemes,which has provided certain guidance for the tunnel construction at shallow-burying,unsymmetrical loading and soft rock section.更多还原