A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Scholte-wave propagation for near-surface soil stiffness profiling
Abstract This paper presents the feasibility of using Scholte waves by spectral-analysis-of-surface-waves (SASW) method for near-surface soil stiffness profiling. Scholte-wave measurement does not require ground coupling thus fast SASW can be performed. Scholte wave propagation at the air-to-soil interface was analyzed first by Finite Element (FE) simulation. In the FE model, a coupled acoustic-structural model was employed to simulate Scholte-wave propagation and acoustic wave contamination were controlled by sensor insulation. Field testing at several compaction sites based on FE results was performed. We found that the dispersion curve of Scholte waves agrees well with Rayleigh-wave dispersion curve if sensors are perfectly insulated. Higher phase velocity is observed when Scholte waves are interrupted by acoustic wave. However, 1 cm opening at the bottom of insulated microphone can be considered as perfect insulation.
Scholte-wave propagation for near-surface soil stiffness profiling
Abstract This paper presents the feasibility of using Scholte waves by spectral-analysis-of-surface-waves (SASW) method for near-surface soil stiffness profiling. Scholte-wave measurement does not require ground coupling thus fast SASW can be performed. Scholte wave propagation at the air-to-soil interface was analyzed first by Finite Element (FE) simulation. In the FE model, a coupled acoustic-structural model was employed to simulate Scholte-wave propagation and acoustic wave contamination were controlled by sensor insulation. Field testing at several compaction sites based on FE results was performed. We found that the dispersion curve of Scholte waves agrees well with Rayleigh-wave dispersion curve if sensors are perfectly insulated. Higher phase velocity is observed when Scholte waves are interrupted by acoustic wave. However, 1 cm opening at the bottom of insulated microphone can be considered as perfect insulation.
Scholte-wave propagation for near-surface soil stiffness profiling
Norinah, A. R. (author) / Joh, Sung-Ho (author)
KSCE Journal of Civil Engineering ; 21 ; 1183-1190
2016-07-11
8 pages
Article (Journal)
Electronic Resource
English
Scholte-wave propagation for near-surface soil stiffness profiling
| Online Contents | 2017
Research of Porous Solid - Fluid Interface Scholte Wave
| Trans Tech Publications | 2012
Modeling of Scholte Wave for Offshore Seismic Survey
| Springer Verlag | 2024
Defect Detection Using Quasi-Scholte Wave for Plate Loaded with Water on Single Surface
| British Library Online Contents | 2016