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The evolution of spectral analysis of surface wave method – a review

Mannan Mitu, Sadia Mannan Mitu and Abd. Rahman, Norinah and Mohd Taib, Aizat and Ramli, Ahmad Bukhari and Abang Hasbollah, Dayang Zulaika (2021) The evolution of spectral analysis of surface wave method – a review. Journal of Mines, Metals and Fuels, 69 (8). pp. 140-150. ISSN 0022-2755

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Spectral analysis of surface wave (SASW) method for in-situ non-destructive testing of stiffness profiles of soil and pavement sites have undergone various improvements since its inception during the 1980s. Improvements have been in both data-acquisition (sampling and sensors) as well as in data-processing (forward calculation and inversion algorithm) aspects. The present study explores the relative effectiveness of using SASW and its automation. Precise recording of amplitude value has the potential to further improve the effectiveness and develop the surface wave testing methods. Different approaches for interpreting the dispersion curve and their potential regarding sensitivity to noise, reliability, and capability to extract significant information were investigated. Finally, the suitable algorithms, finite element modelling, data acquisition and processing and the inversion procedure to provide the reliable and robust stiffness profile were illustrated in this study. After reviewing a few inversion analysis techniques, a non-linear minimization technique could perform reasonably well, which is fully automated despite some limitations. The artificial neural network could be implemented to generate the shear wave velocity profile from the dispersion curve and perform well for the upper layer’s parameters.

Item Type: Article (Journal)
Additional Information: 9016/93653
Uncontrolled Keywords: Spectral analysis of surface waves, nondestructive testing, automation.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TA Engineering (General). Civil engineering (General) > TA168 Systems engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Civil Engineering
Kulliyyah of Engineering
Depositing User: Dr. Ahmad Bukhari Ramli
Date Deposited: 11 Nov 2021 08:43
Last Modified: 11 Nov 2021 08:43
URI: http://irep.iium.edu.my/id/eprint/93653

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