The Bhairon Jhanp slide of Uttarkashi was triggered due to heavy rainfall The area is occupied by steep slope exposing rocks belonging to central crystalline. The rock is jointed forming wedges and caused dislodgement of blocks. Also, Bhairon Jhanp nala
Interim Report on Preliminary Slope Stability assessment of the recent disaster affected areas of Uttarkashi district, Uttarakhand by D.P.Dangwal, Sr.Geol., Neetu Chauhan, Mayukhee & T. Ghosh, Geologists, M-IV, NR, Dehradun, (LHZ/NR/UPUK/2013/053)
UK_UTT_NH108_L33
NH-108, Bhairon Jhanp slide
The height of the protection wall needs to be raised by 5m, Regular dredging of the debris along the nala, 3. Chainlink with deep nailing.
Reduction in shear strength, steep slope,planar/wedge failure