A Low-Cost Energy-Efficient Cableless Geophone Unit for Passive Surface Wave Surveys. [PDF]
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Dynamic tire pressure sensor for measuring ground vibration. [PDF]
Sensors (Basel), 2012 Wang Q, McDaniel JG, Wang ML.
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A Mobile Acoustic Subsurface Sensing (MASS) system for rapid roadway assessment. [PDF]
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Near-surface wave velocity structure of Faial (Azores - Portugal) Island for site effect studies [PDF]
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Multichannel analysis of surface waves (MASW) for offshore geotechnical investigations
Engineering Geology, 2020Abstract Multichannel analysis of surface wave (MASW) surveys are commonly used onshore to produce shear wave velocity (Vs) profiles. This paper describes its use in offshore geotechnical investigations (underwater MASW - UMASW) where the focus was on the upper 15 m of the sediment profile to aid the design of structures such as marine pipelines ...
Michael Long +3 more
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Rayleigh waves employed in engineering geophysical applications are typically generated by vertical strikes on a metallic plate that serves as a coupler between an active input source (e.g., a sledgehammer) and the ground surface. Seismic surface waves can also be generated with horizontal impacts (i.e., Love waves) using specialized coupling plates ...
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Roadside Passive Multichannel Analysis of Surface Waves (MASW)
Journal of Environmental and Engineering Geophysics, 2008A 2-D receiver array, such as a cross or circular type, should be used in a passive surface wave survey to provide the most accurate results. It is often not possible to secure such a spacious area, however, especially if the survey has to take place in an urban area.
Choon B. Park, Richard D. Miller
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Multichannel analysis of surface waves (MASW)—active and passive methods
The Leading Edge, 2007The conventional seismic approaches for near-surface investigation have usually been either high-resolution reflection or refraction surveys that deal with a depth range of a few tens to hundreds meters. Seismic signals from these surveys consist of wavelets with frequencies higher than 50 Hz.
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Multichannel Analysis of Surface Wave (MASW) Method for Geotechnical Site Characterization
Earthquake Engineering and Soil Dynamics, 2005A surface wave method is often used to map shear wave velocity variation of soil with depth. However, measured seismic wave field usually contains such unfavorable waves as higher modes of surface waves, body waves, and ambient noise. These waves can significantly influence results of the analysis if not properly handled. Since the conventional surface
Dayakar Penumadu, Choon B. Park
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Offset And Resolution Of Dispersion Curve In Multichannel Analysis Of Surface Waves (Masw)
14th EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems, 2001Influence of offset-related parameters on the resolution of dispersion curve in multichannel analysis of surface waves (MASW) surveys is described from the theoretical perspective of the dispersion curve imaging method used during a normal implementation of MASW.
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