tunneling excavation的意思|示意

In all environmental damages induced by subway tunneling excavation, the prediction and control of the ground surface subsidence are the important problems to have to be solved.

地铁施工诱发地层环境损伤的众多问题中，地层沉降的预测与控制是急待深入研究的重要课题。

Shield tunneling method has become a primary method in underground excavation with its predominance, earth pressure balanced shield tunneling (EPBS) is the most universal type in our country.

盾构隧道法开挖凭借自身的优势成为城市地下施工的主要手段，其中土压平衡式盾构目前在国内使用较为普遍。

Also the principle of NATM (New Austrian Tunneling method) and the method of excavation and shoring in tunnel construction are being given.

文章也介绍了新奥法的原理以及隧洞的开挖和支护方法。