On the main road into Kathmandu, the west portal of the Nagdhunga Tunnel needed a permanent fix for an unstable slope. GSI carried out the west landslide countermeasure works, supplying and installing earth anchors and slope protection, with DTH drilling up to 45 m.
Earth anchors · Landslide countermeasure · Kathmandu
Nagdhunga Tunnel Project
West landslide countermeasure works: earth anchors and slope protection at the tunnel’s west portal, with DTH drilling up to 45 m.



- Client
- Hazama Ando Corporation
- Location
- Nagdhunga, Kathmandu
- Scope
- Supply and installation
- System
- Earth anchors, slope protection