Immersed Tunnels in Subarctic Conditions

The thesis aims to find the changes in design and execution to immersed tunnels in subarctic regions. The Orlovsky Tunnel in St. Petersburg serves as a case study. The Orlovsky tunnel is a 1600 m tunnel in a rapid flowing river. the ice regime of the Neva River is characterized by frazil ice, which causes hanging ice jams and anchor ice....

Process-based modelling of the Maumusson inlet: Interaction between inlet, ebb-delta and adjacent shoreline

In 2010, a realignment of the main channel of the Maumusson inlet, France, is observed. This breach of the ebb-delta is observed not long after a severe storm that afflicted the Charente-Maritime region in February 2010; Xynthia. A strong link between the breach and the Xynthia storm is expected: a storm event driven breach. In order to assess...