Rehabilitation of Portal Subsidence of Heybat Sultan Twin Tunnels: Selection of Shotcrete or Geogrid Alternatives

Post date: Sep 08, 2021 10:26:48 AM

Lecturer Ako Abdullah Daraei Ahmed at the Department of Civil Engineering gave a seminar entitled “Rehabilitation of Portal Subsidence of Heybat Sultan Twin Tunnels: Selection of Shotcrete or Geogrid Alternatives” on 22th May 2021 at 12:15 PM. The seminar focused on occurrence of karst phenomenon, which is one of the common problems in carbonate rocks in the presence of water. The rock masses constituting the ground surface are mostly of sedimentary types among which carbonate rocks are widely observed. It is therefore necessary to accept such a geological hazard in many projects. Some of the rehabilitation

Seminar keywords: Subsidence, Karst, Geogrid, Shotcrete, Tunneling