In order to avoid the risk from the construction and to prevent the possible geological disaster from the construction, it is important to detect the aquifer, karst caverns, fault etc.

• 为了避免施工风险和预防施工过程中可能出现的地质灾害，查明隧道软弱层、岩溶洞穴及断层等的赋存情况都十分必要。