Journal - Engineering geological problems of shear and fault zones in Nepal Himalaya

Engineering geological problems of shear and fault zones in Nepal Himalaya

Subas Chandra Sunuwar

Butwal Power Company Limited, Kathmandu, Nepal

Jour. Nep. Geol. Soc., Vol. 34, 2007, 47-52


Abstract

Shear zones and faults pose serious engineering geological problems to the development of infrastructures. The problems are related to the contrasting properties of such zones which contain a weak matrix and strong rock fragments. Shear zones and faults are also frequently affected by groundwater.

 

In this paper an attempt has been made to classify the shear or fault zones from an engineering geological point of view. The geotechnically problematic brittle shear or fault zones are generally sheared, shattered, powdered, or folded. They contain lenticular to angular fragments and randomly orientated rock clasts supported by a soft and weak matrix. They are further divided into clayey and blocky types. Some problems induced by such shear or fault zones in various hydropower and road projects of Nepal are also discussed.

Member Login
NEWS AND EVENTS
  • Jul
    08

    Academic and professional development Sub Committee of the Nepal Geological Society and Nepal Geological Students’ Society in collaboration with Central Department of Geology has organized a training and interaction program entitled “Mining and Engineering Geology in field” on 23rd  Asadh 2075 at the conference hall of the Central Department of Geology, Kirtipur.

  • May
    21

    Nepal Geological Society has organized a press meeting on the memory of 2015 Gorkha Earthquake on 2075/1/12 at the conference hall of Department of Irrigation, Jawalakhel

Activities and Information

Activities of 17th and 18th Executive Committee
Nepal Geological Society
P.O.Box No. 231
Kathmandu, Nepal
FREEPHONE: +977-01-4437874
Email: info@ngs.org.np