At the left side of the Munnar- Coimbatore road occurred a Debris slide. The road blocked due to the unscientific hill slope modification for road construction that left cut slope with no lateral support. Reduction of strength on super saturation and exc
Munnar- Coimbatore road
Munnar- Coimbatore road
Retaining wall  with weep holes and suitable filter medium founded on the hard rock should be provided at the road bench. Stabilise the accumulated material. Lined drains to be provided at the road side.
Unscientific hill slope modification for road construction left cut slope with no lateral support. Reduction of strength on super saturation and excess pore water pressure due to heavy rainfall.