Abstract
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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Acknowledgement
The Authors are grateful to ICSSR, Govt. of India, Delhi and Chandigarh for supporting the research in the form of fellowship to the first Author. The authors are also thankful to the Department of Geography and Regional Development, University of Kashmir and Department of Civil Engineering, National institute of Technology, Srinagar for providing necessary lab. facilities. The authors also thank the unknown reviewers for their valuable comments and suggestions that helped in reshaping this research article.
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Nanda, A.M., Yousuf, M., Islam, Z.U. et al. Slope Stability Analysis along NH 1D from Sonamarg to Kargil, J&K, India: Implications for Landslide Risk Reduction. J Geol Soc India 96, 499–506 (2020). https://doi.org/10.1007/s12594-020-1588-8
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DOI: https://doi.org/10.1007/s12594-020-1588-8