Journal of Applied Science and Engineering

Published by Tamkang University Press

1.30

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1.60

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Chik Z. This email address is being protected from spambots. You need JavaScript enabled to view it.1 , Islam T.2 and Taha M. R.1

1Department of Civil and Structural Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor DarulEhsan, Malaysia
2Department of Electrical and Electronics Engineering in PSTU & PhD in Geotechnical Investigations Using Electrical Signal, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor DarulEhsan, Malaysia


 

Received: July 17, 2010
Accepted: December 3, 2010
Publication Date: June 1, 2011

Download Citation: ||https://doi.org/10.6180/jase.2011.14.2.03  


ABSTRACT


This paper presents improved dispersion analysis of the surface wave method for estimations of shear wave velocity profile at near surface soils. The conventional surface wave analysis has limited capability to reduce the irregularities and other noises in the dispersion curve. The frequencywavenumber (f-k) domains analysis with fitting criteria and different mode analysis is presented to obtain reliable dispersion curve of surface wave velocities. The irregularities and noises presented in absolute dispersion curve can be reduced using updated technique with the f-k analysis. The significance of the paper is to show how reliable apparent dispersion curve is obtained through f-k transformation with fitting criteria implemented in the MASW method.


Keywords: Dispersion Curve, f-k Transform, Fitting Criteria, Surface Wave Method, Multichannel Analysis


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