Moreover, TBM tunnel has advantage to the drilling and blasting tunnel on economic, which will be good to the development of the society economic and the tunnel technology.
同时，在经济性方面，TBM隧道也优于钻爆法隧道，这对于经济发展和隧道工程的技术进步都是有利的。
参考来源 - TBM隧道围岩稳定和支护结构受力特性研究Rock tunnel construction methods are drill-blasting method and TBM, our country mainly uses the method of drill-blasting method.
岩石隧道的施工方法主要有钻爆法和TBM法，我国主要采用的施工方法是钻爆法。
参考来源 - 电脑凿岩台车快速施工技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
所有这些隧道都是用钻爆法进行开挖的。
All these tunnels have been excavated by methods of drilling and blasting.
目前，天井的掘进方法，主要采用钻爆法。
At present, drilling and blasting method is mainly used in the shaft excavation.
设计和工程造价中关心的围岩分类应区别于传统的钻爆法。
Regarding the rock mass classification, for design and project cost estimation, it should be different from those in bore & blast.
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