A Cut slope of about 12m length and 10m width took place along the road heading from Pandanthorai to Devarshola, near Nellakottai village, Nilgiri district. The main causative factor for the slide is due to heavy rainfall, there was increase in pore wate
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
Nellakottai Cut slope
Road from Pandanthorai to Devarshola, near Nellakottai
Removal of loose material and construction of retaining/ gabion wall with lined toe drainage. A settlement is situated above the crown portion of the slide, the house members has to be precautioned about the slide.
Due to heavy rainfall, there was increase in pore water pressure and decrease in shear strength of the overburden material. Unplanned cutting and removal of toe support for construction of road lead to failure.