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Kotoky P.,CSIR - Central Electrochemical Research Institute | Dutta M.K.,Jorhat Engineering College JEC | Goswami R.,Jorhat Engineering College JEC | Borah G.C.,CSIR - Central Electrochemical Research Institute
Journal of the Geological Society of India | Year: 2011

The bank sediments along the extremely meandered Dhansiri River channel, a south bank tributary of the mighty Brahmaputra River, with erosion potentiality have been investigated to evaluate its certain geotechnical characteristics. The study has shown that the bank sediments are basically composed of CL and ML types of soil. These types of sediments are very much prone to liquefaction which in turn related to erosion susceptibility. The bank stability analysis has differentiated the studied stretch into unstable, at risk and stable zones. Most of the erosion affected zones along the channel reach under study are located within the unstable or at risk zones. The field study around Butalikhowa, Barguriagaon, Golaghat and Duchmuagaon areas along the channel with active erosion activity has supported our contention and practical utility of the present study. It is expected that such type of study will help in providing certain inevitable baseline information for various channel management practices for this extremely flood prone areas of Northeast India. © 2011 Geological Society of India.

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