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Integrated Geophysical and Geotechnical Analyses at a Landslide Area - Case History in Lopare, Bosnia and HerzegovinaNormal access

Authors: K. Suto, J. Sugawara, M. Urosevic, S. Arsenovic and S. Komatina
Event name: 24th European Meeting of Environmental and Engineering Geophysics
Session: Geophysics in Engineering Geology and Geotechnical C & Investigations - Slope Instabilities and Tunnel Investigations A & Investigations - High-resolution Engineering Seismic Studies A
Publication date: 09 September 2018
DOI: 10.3997/2214-4609.201802538
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 3.49Mb )
Price: € 20

Summary:
A heavy rainfall in May 2014 caused an extensive damage in the Balkan area. A combination of seismic reflection, MASW and electric resitivity surveys are carried out to supplement a surface geotechnical observation at an area in Bosnia and Herzegovina for potential of further landslides. This is a Geoscientists without Borders project. Surface observation found soft and low strength layers in the area with multiple scarps and cracks. The depths of slip surface are estimated at 10m at the upper part of slope and about 2m at the lower part of slope. These are indicated by low reflectivity on the seismic reflection, low S-wave velocity in the MASW and high conductivity in the resistivity tomography sections. According to these results, several suggestions are made to local government to mitigate landslide disasters.


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