In the last quarter of 2018, cyclone Titli took a toll on Odisha state, located on the east coast of India. It caused severe damages including landslides in various locations on National Highway 59.
Near Daringbadi – a tourist destination about 200 km away from the state capital Bhubaneshwar – the existing road was partly washed off. The unstable valley slopes supporting the road became a serious hazard to the commuting vehicles, especially during the monsoon.
The project owner, The Public Works Department, National Highways – Berhampur Division, Odisha had decided to restore the landslide area by strengthening the valley and widening the road. Terre Armée in India successfully proposed Reinforced Earth’s TerraLink® technology as an effective slope stabilization method.
TerraLink® allows for the construction of a Reinforced Earth® retaining wall linking it directly to an existing structure or stabilized slope by nailing or anchoring.
For this project TerraLink® comprises of galvanized TerraNail® with a yield Strength of 670 MPa and an ultimate tensile strength of 800 MPa and is followed by the construction of a GeoTrel™ steepened slope using prefabricated galvanized steel mesh fascia and GeoStrap5 soil reinforcement connected mechanically with TerraNail®.
The affected stretch length is almost 50 m, and the height of the valley slope is 15 m. The work is still in progress and expected to be completed April 2020.