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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Acknowledgments
This research is conducted under the Research Project of Science Fund No. 01-01-02-SF0338 and also supported by Science Fund No. 01-01-02-SF0681 from Ministry of Science, Technology and Innovation of Malaysia.
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Islam, T., Chik, Z. Advanced performance in geotechnical engineering using tomography analysis. Environ Earth Sci 63, 291–296 (2011). https://doi.org/10.1007/s12665-010-0702-4
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DOI: https://doi.org/10.1007/s12665-010-0702-4