The 52nd ISRM Online Lecture by Mr. William Joughin from South Africa on "Design of concrete plugs for sealing of tunnels to prevent inrush of water and mud" is online.
2025-12-11
The 52nd ISRM Online Lecture by Mr. William Joughin from South Africa on "Design of concrete plugs for sealing of tunnels to prevent inrush of water and mud" is online.