What are the geological risks in tunnel construction projects?

Tunnel construction projects face various geological risks that can pose significant challenges. One major risk is encountering unstable or weak soil or rock formations that can lead to tunnel collapse or instability. This can be particularly problematic in areas with complex geological structures or high water pressure. Another risk is the potential for groundwater ingress into the tunnel, which can cause flooding and hinder construction progress. Moreover, tunnels passing through fault zones or areas prone to seismic activity may be at a higher risk of encountering earthquakes that can cause damage or collapse. Additionally, the presence of underground cavities or voids, such as old mines or karst formations, can pose a threat to tunnel stability. These geological risks require thorough site investigations, appropriate engineering measures, and continuous monitoring to mitigate and manage potential hazards for successful tunnel construction projects.

This mind map was published on 19 September 2023 and has been viewed 50 times.