A debris slide of about 14m length and 30m width took place, upslope of the road heading from Kariyashola to Sultan Bathery, Nilgiri district. The main causative factor for the slide is due to heavy rainfall, there was increase in pore water pressure and
Ahmed A. and Achrya, S., 2020. Macroscale (1:50,000) Landslide Susceptibility Mapping in parts of Toposheets nos. 58G/4,7,8,9,10,13,14, 58H/1,5 & 58A/02, 06, 08 & 10 parts of Tirunelveli, Theni, Madurai , Virudunagar & Nilgiri Districts of Tamil Nadu
Sulthan Bathery road debris slide
Road from Nellakottai to Kariyashola
Removal of loose material and construction of retaining wall/ gabion wall with lined toe drain
Due to heavy rainfall, there was increase in pore water pressure and decrease in shear strength of the overburden material. Unplanned steep cutting of slope for construction of road lead to failure.