Advanced performance in geotechnical engineering using tomography analysis |
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| Authors: | T Islam Z Chik |
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| Institution: | (1) Department of Electrical and Electronics Engineering, Patuakhali Science and Technology University, Patuakhali, Bangladesh;(2) Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia;(3) Department of Civil and Structural Engineering, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia |
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| Abstract: | This paper presents the technique to demonstrate reliable two-dimensional (2-D) tomography of near-surface soil through multichannel
analysis of surface wave (MASW) method. The MASW method is used as seismic method for determining the shear wave velocity
profile of near-surface soil with better performance. Normally, this method represents one-dimensional (1-D) soil layer profile
to delineate anomalous subsurface materials and detect soil characteristics in geotechnical investigations. Conventionally,
the MASW method is able to represent depth corresponding shear wave velocity through 1-D representation. In this paper, this
method is improved through representation of depth and distance versus shear wave velocity profile using 2-D tomography analysis
in geotechnical investigations. The outcomes of the newly developed method are more reliable and informative in comparison
to the outcome of the conventional MASW method. The significance of this research is incorporating advanced tomography technique
with MASW method to obtain 2-D tomography of geotechnical characteristics with consistency. |
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