Investigation and remedial measures for few landslides in Kumaun region, Uttarakhand
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Date
2018-08
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G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand)
Abstract
Improvement in soil strength and slope stability has always been an area of concern to geotechnical engineers. In hilly terrain of India (Uttarakhand, Jammu & Kashmir, Himachal Pradesh and north eastern part of country) landslides (mudflow, debris flows, rock fall) has become serious concern now days. It occurs often and cause severe human loss, damage to infrastructure like roads, electric and communication lines, serious damages to flora and fauna, overall a huge economical loss of nation and hampering development in hilly terrain. Hence arises need to analyses such slopes in hilly terrain and suggest quick, economical and engineered remedial measure for protection of slopes in such terrain. Now day’s numerical simulation has made the things easier same is the case with numerical modelling of slope stability analysis. Hence study in this thesis covers numerical analysis of few natural slopes in Kumaun region which underwent major failure and certain engineered and economical remedial measure has been suggested to overcome future failure of slope and sinking zone in such areas. Not only this few previous case study regarding soil slope failure in India has been studied. Study is being carried out in three phases, firstly soil samples is being carried out from sites and reason for slope failure is determined (Geological and Meteorological), secondly geotechnical properties of soil samples is being determined in laboratory, lastly analysis is being done conventionally and numerically, hence economical and engineered remedial measures has been suggested to prevent future slope failure in these region.
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