Acoustic doppler velocimeter backscatter for suspended sediment measurements: Effects of sediment size and attenuation
… In the present study, a detailed quantitative representation of signal attenuation for ADV
measurements for different sediment sizes and SSC levels was provided for the first time (Figs. …
measurements for different sediment sizes and SSC levels was provided for the first time (Figs. …
Experimental investigation of the effect of moisture on the acoustic properties of lightweight substrates used in green envelopes
… Measurement of dry and moistened substrates are conducted to evaluate their effective speed
of sound, attenuation… or as a soil amendment to retain moisture and lighten compact soils. …
of sound, attenuation… or as a soil amendment to retain moisture and lighten compact soils. …
Study of Soil Surface Sealing and Crusting using a Seismic Surface Wave Method.
Z Lu, GV Wilson - Journal of the Mississippi Academy of …, 2022 - search.ebscohost.com
… Secondly, the attenuation coefficients of Rayleigh waves measured in the high frequency
MASW test have much higher values and dynamic range than those of conventional MASW …
MASW test have much higher values and dynamic range than those of conventional MASW …
Built-up structural steel sections as seismic metamaterials for surface wave attenuation with low frequency wide bandgap in layered soil medium
… and multiple layered soil medium (substrate) and to study the feasibility of surface waves
attenuation by finite element technique. Two types of simple and small geometric size built-up …
attenuation by finite element technique. Two types of simple and small geometric size built-up …
Mitigation of high-speed train-induced environmental ground vibrations considering open trenches in the soft soil conditions by in-situ tests
… Therefore, the focused soil layer for the measurements is the ground surface in this research…
attenuation of vibrations in the propagation area. The schematic plan showing the geometric …
attenuation of vibrations in the propagation area. The schematic plan showing the geometric …
Experimental assessment of train-induced soil vibration characteristics using Arduino-based accelerometers
PCK Kioko, S Abuodha, J Mwero, Z Kuria - Cogent Engineering, 2023 - Taylor & Francis
… vibration attenuation concerning soil … soil that can be observed and measured without
applying external forces. The physical soil properties tested in this research included particle size…
applying external forces. The physical soil properties tested in this research included particle size…
[HTML][HTML] Assessment of small-strain characteristics for vibration predictions in a Swedish clay deposit
F Theland, G Lombaert, S Francois, C Pacoste… - Soil Dynamics and …, 2021 - Elsevier
… of surface wave dispersion and attenuation curves. The results are synthesised into a
dynamic layered soil model which is validated by measurements at the soil's surface at source-…
dynamic layered soil model which is validated by measurements at the soil's surface at source-…
The surface wave attenuation zone of periodic composite in-filled trenches and its isolation performance in train-induced ground vibration isolation
C Cai, L Gao, X He, Y Zou, K Yu, D Wu - Computers and Geotechnics, 2021 - Elsevier
… measured acceleration data at the pier and its corresponding Fourier spectra under a running
train speed … surface wave in the first layered soil, the velocity of the Rayleigh waves was …
train speed … surface wave in the first layered soil, the velocity of the Rayleigh waves was …
Advances on the acoustic emission testing for monitoring of granular soils
W Mao, L Hei, Y Yang - Measurement, 2021 - Elsevier
… The propagation nature of elastic waves in granular soils, by contrast, is more complex and
attenuates rapidly, which makes the effective detection and interpretation of the signal more …
attenuates rapidly, which makes the effective detection and interpretation of the signal more …
[HTML][HTML] Estimating multidirectional stiffness of soils using planar piezoelectric transducers in a large triaxial apparatus
… dimension on wave velocity measurements Due to the large specimen size used in this
research, there is a concern of attenuation … confirm whether the attenuation of propagating waves …
research, there is a concern of attenuation … confirm whether the attenuation of propagating waves …