Slope Stability Analysis along NH 1D from Sonamarg to Kargil, J&K, India: Implications for Landslide Risk Reduction
Authors
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Department of Geography & Regional Development, University of Kashmir, Srinagar - 190 006
Aadil M. Nanda -
Department of Civil Engineering, National Institute of Technology, Srinagar – 190 006
Maqbool Yousuf
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Department of Geography & Regional Development, University of Kashmir, Srinagar - 190 006
Zahoor Ul Islam
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Department of Geography & Regional Development, University of Kashmir, Srinagar - 190 006
Pervez Ahmed
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Department of Geography & Regional Development, University of Kashmir, Srinagar - 190 006
T. A. Kanth
DOI:
https://doi.org/10.1007/s12594-020-1588-8Abstract
The present work attempts to analyze the slope stability of road section along the national highway NH-1D from Sonamarg to Kargil in the erstwhile J&K, India. The rugged and treacherous terrain in this region is prone to frequent slope failures taking heavy toll of life, property and inconveniences to commuters due to disruption of vehicular movement. For slope study analysis twenty facets were chosen for detail based kinematic analysis and Rock Mass Rating (RMR) to identify the causes and types of failure and potential failure directions. The RMR values obtained from the study range from17 to 96, representing very poor to very good rating and the slopes range from completely unstable to completely stable. The kinematic analysis reveals that most joint planes intersect with each other in different directions consequently forming different potential failure modes. The study concludes that the existing slopes require urgent mitigation measures to thwart the failure.
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