Soil nailing is a widely adopted ground reinforcement technique that involves the insertion of slender elements into unstable soil masses to enhance slope stability and support retaining structures.

Geological Survey of India had conducted a survey of the unstable areas on Altinho hill a few years ago and recommended soil nailing as a protective measure to arrest landslips during the monsoon.

The State highways department is undertaking the stabilisation of slopes around the Nilgiris’ major roads at five locations by growing grasses to prevent soil erosion. The project, known as ‘slope ...