西安—安康线上的秦岭隧道 ,位于陕西秦岭山脉北部。这一地区的地质和地形条件非常复杂 ,工程非常艰巨。自 1 990年起 ,对各种设计施工方案 ,包括钻爆法、ＴＢＭ(隧道掘进机 )法、钻爆法与掘进机法相结合的方法进行研究。通过向专家咨询 ,评估了设计、科研、工程管理和施工等各 Xi’an - Ankang Qinling tunnel on the line, located in the northern Qinling Mountains in Shaanxi Province. The geological and topographical conditions in this area are very complex and the project is extremely difficult. Since 1990, a variety of design and construction programs, including drilling and blasting, TBM (tunnel boring machine) method, drilling and blasting method and boring machine method of combining research. By consulting with experts, we evaluated various aspects of design, research, project management and construction