Sarlah Tunnel, motorway E-80, Niš – Dimitrograd (border crossing with Bulgaria), Ciflik-Pirot (East), Serbia
Supplementary Geotechnical Investigation, Geotechnical Evaluation, Underground Excavation and Primary Support Design, Entrance – Exit Portals and Cut & Cover Design, Entrance Portal Retaining Structures Design (Pilewall configuration), for the twin tube Sarlah Tunnel (NATM) of ≈470m length and its connection tunnel.
October 2014 - June 2015
Koridori Srbje D.O.O.
OGRANAK AKTOR Beograd
Sotiropoulos& Associates SA