ISRM Online Lecture “Design of concrete plugs for sealing of tunnels to prevent inrush of water and mud”

52. ISRM Online Lecture održat će 11.12. u 11 sati William Joughins naslovom  “Design of concrete plugs for sealing of tunnels to prevent inrush of water and mud”. Više:
https://isrm.net/page/show/1772

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