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。
2
During the construction of excavation in soft soil, soil reinforcement outside the excavation is used usually in order to protect the departure and reception of shield and surrounding buildings.
在软土基坑施工过程中，由于地铁盾构进出洞以及为了保护基坑周围建筑物等原因，常常会进行坑外加固。
3
The hierarchical analysis theory is used to analyze the sensitivity of the input parameters of the neural network model of ground deformation of shield tunnel and excavation.