During road widening, the slope was cut at an steep angle leaving back slope vulnerable. The planar failure took place along J2 plane. During heavy rainfall on 16th & 17th June 2013, slope forming material got  saturated and started flowing down and dama
An Interim Report on Preliminary  Geological  Slope Stability Assessment of the Recent Disaster Affected Areas in Parts of Chamoli District, Uttarakhand by Bhupendra Singh, Bhupender Singh, Ajay Kumar and Arindam Roy, Senior Geologists, M-IV, NR GSI Dehr
UK_CHA_NH_ 026
Tangni Villlage
Breast wall, diversion of surface run off, shotcrete with wire mesh, reconstruction of retanining wall.
Continuous heavy rainfall  for 3-4 days resulted in saturation and reduction in shear strength of debris material, toe cutting, planar failure along joint planes.