Die oberflächennahe Unterfahrung von Gewässern beim Koralmtunnel Baulos KAT 1 – Wahl des optimalen Rohrschirmsystems

Abstract

example drilling method, drilling length, gap between the pipes, overlap, type of injection or excavation advance. This article shows the decision making process based on an actual project. The experience gained during the exploration project was incorporated in the planning and tendering of the main project, thus leading to a successful application of the measures and to safe tunnelling.