Because of the heavy rainfall Kachra nala had brought down huge boulders breaching part of road formation. On the right bank hard, compact quartzite is exposed in the nala section but at upslope plane of weakness has been formed at the interface of overb
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_ 006 (Kachra nala)
Kachra nala near Lambagarh.
Check bunds in the upstream of nala course above road level, bank protection on the left bank above road level, channelization/restoration of nala flow and associated gullies on right flank, benches in upper part with boulder crates, RCC retaining wall o
Heavy rainfall in the catchment of Kachra nala, saturation of ovrburden mass, reduction in shear strength of the material.