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Design and Implementation of Tunnel Injection Access Tehran S7 Metro Access

Fidaraspra Company
Date Begin:
Date End:


Design and implementation of injection and stabilization of upper soil of tunnel access station of Tehran Metro Station S7 in Tohid Square,
Project description: Due to the lack of access to the tunnel at S7 subway station in Tehran, due to the lack of adhesion in the soil, after the precise design and determination of the number and disadvantage and precise length of the injected boreholes, the injection operations from the top of the tunnel were carried out by these consulting engineers. The tunnel digging at a depth of 10 meters was then successfully completed.