Special design methods for construction of tunnel portals in areas with extremely steep morphology

@inproceedings{Koronakis2004SpecialDM,
  title={Special design methods for construction of tunnel portals in areas with extremely steep morphology},
  author={N. Koronakis and P. Kontothanassis and J. Bournazos},
  year={2004}
}
The highway ''Athens - Corinth - Patra'', which is an Olympic Games 2004 project, connects Athens to Peloponese. It is part of PATHE (Patra-Athens-Thessaloniki-Evzoni) highway project that links Peloponese to Northern Greece. In the section of the highway called ''Kakia Skala'', located approximately 50 km outside Athens, the highway tunnel AS1 is under construction. Tunnel AS1 comprises a double-bore tunnel, whose portals are located almost aside to the existing national highway. The length of… Expand

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