Tunneling in Khimti Hydropower Project, central Nepal

Authors

  • S. C. Sunuwar Butwal Power Company, Hydroconsult Division Pulchok, Kathmandu
  • B. O'Neill Butwal Power Company, Hydroconsult Division Pulchok, Kathmandu

DOI:

https://doi.org/10.3126/jngs.v14i0.32400

Keywords:

Tunnel support, Q-classification system, Khimti Hydropower Project, central Nepal

Abstract

The role of geology is very important in any underground excavation. Proper geological investigation reduces the overall cost of a project and saves time. It is important to understand and be able to predict the behaviour of a rock mass before designing the support system. In good quality rock, the self-supporting capacity of rock mass should be used to its maximum advantage and the amount of rock support kept to a minimum. In the Khimti Hydropower Project the tunnel support will be designed to take optimum advantage of the self-supporting capacity of rock mass and the correct choice of support systems. The rocks encountered in the tunnels at Khimti will be logged in accordance with the Q-classification system. The experience in desigining tunnel support that has been developed in Norway will be used to this project as well.

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Published

1996-11-01

How to Cite

Sunuwar, S. C., & O'Neill, B. (1996). Tunneling in Khimti Hydropower Project, central Nepal. Journal of Nepal Geological Society, 14, 109–120. https://doi.org/10.3126/jngs.v14i0.32400

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Section

Articles