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Published in:

Volume 7 Issue 7
July-2020
eISSN: 2349-5162

Unique Identifier

JETIR2007211

Page Number

1705-1713

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Title

THE ASSESSMENT OF NINE MILE LANDSLIDE AREA THROUGH GEOPHYSICAL INVESTIGATION IN EAST DISTRICT, SIKKIM

ISSN

2349-5162

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"THE ASSESSMENT OF NINE MILE LANDSLIDE AREA THROUGH GEOPHYSICAL INVESTIGATION IN EAST DISTRICT, SIKKIM", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.7, Issue 7, page no.1705-1713, July-2020, Available :http://www.jetir.org/papers/JETIR2007211.pdf

Abstract

Landslide in Sikkim has been reported since 1957, and Nine mile is one of them. It is at entrance gate of Gangtok- capital of Sikkim, along NH-31A. It possess disturbance to traffic movement along NH31-A, close to instable hill slope at western bank of Rohini chhu a-tributary of Tista river. The various kinds of water has played typical role in triggering of nine mile landslide, in different seasons under neo-tectonic activity. Geophysical investigation has been conducted through temporal resistivity survey during successive pre-monsoon, monsoon & post-monsoon seasons. Twelve instrumentation sites have been selected at five different portions of landslide area for objective to decipher-causes, mode of occurrence and remedial measures. The continuous sinking of partial NH 31-A in the area posses an unique feature. It has been observed that- the cause of sinking is an account of developing negative groundwater pore pressure due to absent of hard rock formation beneath the area. The non-structural remedial measure as cultivation of LAPSI vegetation at vulnerable sites seems to most successful cheap and eco-friendly technique for Nine mile landslide area.

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"THE ASSESSMENT OF NINE MILE LANDSLIDE AREA THROUGH GEOPHYSICAL INVESTIGATION IN EAST DISTRICT, SIKKIM", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.7, Issue 7, page no. pp1705-1713, July-2020, Available at : http://www.jetir.org/papers/JETIR2007211.pdf

Publication Details

Published Paper ID: JETIR2007211
Registration ID: 235274
Published In: Volume 7 | Issue 7 | Year July-2020
DOI (Digital Object Identifier):
Page No: 1705-1713
ISSN Number: 2349-5162

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Cite This Article

"THE ASSESSMENT OF NINE MILE LANDSLIDE AREA THROUGH GEOPHYSICAL INVESTIGATION IN EAST DISTRICT, SIKKIM", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.7, Issue 7, page no. pp1705-1713, July-2020, Available at : http://www.jetir.org/papers/JETIR2007211.pdf




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