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Evaluating cut slope failure by numerical analysis—a case study

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  • T. Singh
  • A. Gulati
  • L. Dontha
  • V. Bhardwaj

Abstract

Slope failure is very common phenomenon in hilly regions, especially in young techno active mountainous like Himalayas. It is hazardous because of the accompanying progressive movement of the slope-forming material. In order to minimize the landslide effects, slope failure analysis and stabilization requires in depth understanding of the process that governs the behavior of the slope. The present article mainly deals with the analysis of the stability of road cut slopes of Rudraprayag Area, Uttarakhand, India. The area experiences local as well as regional slides every year. Extensive field study was carried out along the road cut slopes. Laboratory experiments were conducted to determine the various Physio-mechanical properties of rock mass. These properties have been used as input parameters for the numerical simulation of slope using FLAC3D (Fast Lagrangian Analysis of Continua) including geological discontinuities. The computed deformations and the stress distribution along the failure surface are compared with the field observations. The study indicates that the overall slope is unstable except at the location E where slope is critically stable. The effects of instability have been thoroughly considered and remedial measures have been recommended. Copyright Springer Science+Business Media B.V. 2008

Suggested Citation

  • T. Singh & A. Gulati & L. Dontha & V. Bhardwaj, 2008. "Evaluating cut slope failure by numerical analysis—a case study," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 47(2), pages 263-279, November.
    • Handle: RePEc:spr:nathaz:v:47:y:2008:i:2:p:263-279
    DOI: 10.1007/s11069-008-9219-5
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    Citations

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    Cited by:

    1. Nahid Vatanpour & Mohammad Ghafoori & Hossein Talouki, 2014. "Probabilistic and sensitivity analyses of effective geotechnical parameters on rock slope stability: a case study of an urban area in northeast Iran," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 71(3), pages 1659-1678, April.
    2. T. N. Singh & Rajbal Singh & Bhoop Singh & L. K. Sharma & Rajesh Singh & M. K. Ansari, 2016. "Investigations and stability analyses of Malin village landslide of Pune district, Maharashtra, India," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 81(3), pages 2019-2030, April.
    3. T. Siddque & S. P. Pradhan, 2018. "Stability and sensitivity analysis of Himalayan road cut debris slopes: an investigation along NH-58, India," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 93(2), pages 577-600, September.
    4. V. Vishal & T. Siddique & Rohan Purohit & Mohit K. Phophliya & S. P. Pradhan, 2017. "Hazard assessment in rockfall-prone Himalayan slopes along National Highway-58, India: rating and simulation," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 85(1), pages 487-503, January.
    5. Shakti Suman & S. Z. Khan & S. K. Das & S. K. Chand, 2016. "Slope stability analysis using artificial intelligence techniques," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 84(2), pages 727-748, November.
    6. Ashok Kumar Singh & Jagadish Kundu & Kripamoy Sarkar, 2018. "Stability analysis of a recurring soil slope failure along NH-5, Himachal Himalaya, India," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 90(2), pages 863-885, January.
    7. Hong Zheng & Zhao Yang & Guan Sun, 2013. "Extremum solutions to the limit equilibrium method subjected to physical admissibility," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 65(1), pages 79-96, January.
    8. Zaobao Liu & Jianfu Shao & Weiya Xu & Hongjie Chen & Yu Zhang, 2014. "An extreme learning machine approach for slope stability evaluation and prediction," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 73(2), pages 787-804, September.
    9. D. Ramakrishnan & T. Singh & A. Verma & Akshay Gulati & K. Tiwari, 2013. "Soft computing and GIS for landslide susceptibility assessment in Tawaghat area, Kumaon Himalaya, India," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 65(1), pages 315-330, January.
    10. Guanhua Sun & Hong Zheng & Wei Jiang, 2012. "A global procedure for evaluating stability of three-dimensional slopes," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 61(3), pages 1083-1098, April.
    11. S. P. Pradhan & Vikram Vishal & T. N. Singh, 2018. "Finite element modelling of landslide prone slopes around Rudraprayag and Agastyamuni in Uttarakhand Himalayan terrain," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 94(1), pages 181-200, October.
    12. M. Samanta & P. Punetha & S. Sarkar & A. Dwivedi & M. Sharma, 2019. "Slope stability assessment and design of remedial measures for Tungnath Temple at Uttarakhand, India: a case study," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 96(1), pages 225-246, March.
    13. Ruchika Sharma Tandon & Vikram Gupta & Bhimala Venkateshwarlu & Pradeep Joshi, 2022. "An assessment of Dungale landslide using remotely piloted aircraft system (RPAS), ground penetration radar (GPR), and Slide & RS2 Softwares," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 113(2), pages 1017-1042, September.

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