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|Title:||ENGINEERING GEOLOGICAL STUDIES RELATED TO STABILITY OF HILL SLOPE AROUND MANSA DEVI TEMPLE, HARIDWAR, UTTARAKHAND, INDIA|
|Keywords:||UTTARAKHAND;GEOLOGICAL;STABILITY;EARTH SCIENCE ENGINEERING|
|Abstract:||In the study presented, an engineering geological investigation related to slope stability around Mansa Devi hill has been attempted. For this purpose, based on field observation and base map, detailed section plan and geological map of the site have been prepared up to a scale of 1:1000. Geological section has been prepared along six ridges. Apart from these, several subsections are prepared across these ridges as slope is varying at both sides of the ridge, which are different from the main slope of ridge. During geological investigation in the field, attributes related with joint and bedding are collected to fmd out preferred orientation of discontinuities along with hill slope by plotting in stereo net and also to perform rock mass rating, RMR (Bieniawski, Z.T., 1989). The engineering properties of rock (sandstone) have been determined in the laboratory from the samples obtained from the field. The Point Load Lump Index (IL(50)) values are used to find out the Uniaxial Compressive Strength (UCS) by using empirical code of Bureau of Indian Standards (BIS). From Uniaxial Compressive Strength and discontinuity data it is possible to get RMR value of the rock which can ultimately be used to determine the angle of internal friction and cohesion of the sandstone. Slope stability analysis along six section as well as subsections have been carried out for determining conditions of instability and type of failure (Kinematic Analysis) by using Hoek and Bray (1981) approach. For instable slopes, concept of limiting equilibrium has been used to get factor of safety (FOS), and analysis carried out for plane and wedge failure in dry conditions.|
|Research Supervisor/ Guide:||Anbalagan, R.|
|Appears in Collections:||MASTERS' DISSERTATIONS (Earth Sci.)|
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