Slope stability assessment and design of remedial measures for Tungnath Temple at Uttarakhand, India: a case study

M. Samanta (), P. Punetha (), S. Sarkar (), A. Dwivedi () and M. Sharma ()
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M. Samanta: CSIR-Central Building Research Institute, Roorkee-247 667, India & Academy of Scientific and Innovative Research (AcSIR)
P. Punetha: University of Technology Sydney
S. Sarkar: CSIR-Central Building Research Institute, Roorkee-247 667, India & Academy of Scientific and Innovative Research (AcSIR)
A. Dwivedi: CSIR-Central Building Research Institute, Roorkee-247 667, India & Academy of Scientific and Innovative Research (AcSIR)
M. Sharma: CSIR-Central Building Research Institute, Roorkee-247 667, India & Academy of Scientific and Innovative Research (AcSIR)

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2019, vol. 96, issue 1, No 10, 225-246

Abstract: Abstract The present paper assesses the slope stability of the Tungnath Temple at Rudraprayag District, in the Indian state of Uttarakhand, and suggests the remedial measures. The temple is made of stone masonry and is believed to be over 1000 years old. Recently, signs of distress such as the development and subsequent widening of the cracks were observed on the walls of the temple. The field investigation reveals that the inadequate stability of the site, stagnation of water at the foundation level of the temple and poor drainage of the rainwater from the upper hill are the primary causes of distress for the temple. The factor of safety (FoS) values computed using the limit equilibrium method indicate that the site is marginally stable (FoS—0.8 to 1.0) under static condition and unstable (FoS—0.6 to 0.9) under the pseudo-static condition for a particular section. Thus, suitable control measures have been proposed to ensure the long-term stability of the site. The proposed control measures include the construction of a geosynthetic lined drain at critical locations and geosynthetic lining in the periphery of the temple to prevent the ingress of water. Additionally, the construction of two levels of gabion wall (6 m to 8 m high) at the periphery of the site has been proposed to improve the stability. The paper discusses the possible causes of the cracks, slope stability analysis and subsequently present the design details of the remedial measures for the long-term stability of the temple.

Keywords: Tungnath Temple; Slope stability analysis; Geosynthetic; Lined drain; Gabion wall; Remedial measures; Sensitivity analysis (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1007/s11069-018-3538-y

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