Heavy rainfall saturated debris mass causing reduction in shear strength, highly jointed and shattered rocks, planar and wedge failure along planes and intersection of joints.

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_ 025
Pagla Nala
Channelisation of surface run off, shotcrete wuth wiremesh, check bunds for reduction of erosion and dissipation of energy, breast wall with weep holes.
Heavy rainfall saturated debris mass causing reduction in shear strength, highly jointed and shattered rocks, planar and wedge failure along planes and intersection of joints.