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Geophysical techniques for characterisation of municipal solid waste landfills

Naveen, BP and Sitharam, TG and Sivapullaiah, PV and Kumar, S (2021) Geophysical techniques for characterisation of municipal solid waste landfills. In: Proceedings of Institution of Civil Engineers: Waste and Resource Management, 174 (3). pp. 78-96. (In Press)

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Official URL: https://doi.org/10.1680/jwarm.20.00022


This paper presents the seismic site characterisation of Mavallipura landfill in Bengaluru, India using multichannel analysis of surface waves (MASW). The survey was performed at top level up to a height of 25 m. Up to 6 m it consisted of uncompacted waste. Also, the shear-wave velocity increased with depth from approximately 74 to 150 m/s. A series of one-and two-dimensional MASW surveys at various levels of the landfill was carried out to map the site fully. A new empirical correlation between standard penetration test corrected N values and shear-wave velocity was also developed. The MASW survey results and correlation with the conventional geotechnical investigation are presented in this paper. The results showed that the seismic waves can achieve changes in shear-wave velocity and Poisson's ratio to conclude the amount of degradation taking place at the landfill and thereby provide some knowledge with regards to the properties required for evaluating seismic stability. © 2021 ICE Publishing: All rights reserved.

Item Type: Journal Article
Publication: Proceedings of Institution of Civil Engineers: Waste and Resource Management
Publisher: ICE Publishing
Additional Information: The copyright for this article belongs to ICE Publishing
Keywords: Acoustic wave velocity; Land fill; Seismology; Shear flow; Shear waves; Surface waves; Surveys; Wave propagation, Empirical correlations; Geophysical techniques; Geotechnical investigations; Multi-channel analysis of surface waves; Municipal solid waste landfills; Seismic stability; Shear wave velocity; Standard penetration test, Municipal solid waste
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 02 Dec 2021 13:02
Last Modified: 02 Dec 2021 13:02
URI: http://eprints.iisc.ac.in/id/eprint/70090

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