Results 241 to 250 of about 14,554 (295)

Dynamic Stress Enhances Electrocatalytic Hydrogen Evolution Reaction on Metals

Monai M, Yu X, Bianco E, Wang H, Deelen S, Brink Yvd, Meirer F, Bourquard C.   +7 more
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Load Transfers During Vibratory Driving

Geotechnical and Geological Engineering, 2012
The vibratory driving technique consists in applying a vibratory load onto a profile to reduce the ground resistance and allow penetration of the profile under its own weight. The vibratory action is produced by counter-rotating eccentric masses actuated within the exciter block.
Valerie Whenham
exaly   +2 more sources

A drive-free vibratory gyroscope

Chaos: An Interdisciplinary Journal of Nonlinear Science, 2011
Computational and analytical works have shown that certain coupling schemes can lead to significant enhancements in sensitivity, accuracy, and lower costs for a wide range of sensor devices whose output and performance depends directly on the ability of individual units to generate stable limit cycle oscillations.
Huy, Vu, Antonio, Palacios, Visarath, In, Patrick, Longhini, Joseph D, Neff   +4 more
openaire   +2 more sources

Dynamic Ground Response during Vibratory Sheet Pile Driving

Journal of Geotechnical and Geoenvironmental Engineering, 2021
AbstractVibratory sheet pile driving is a widely used foundation method. In order to investigate the effect of different operational parameters, such as vibration frequency and eccentric moment on ...
K. Rainer Massarsch, Carl Wersäll, Bengt H. Fellenius   +2 more
openaire   +1 more source

Modelling of vibratory pile driving in sand

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1992
AbstractA model for vibro‐driving of rigid piles in sand is proposed incorporating the interaction of the vibrator–pile–soil system. The vibro‐driver force and the non‐linear soil resistance (dynamic f–w and q–w relationships) have been quantified in terms ofin situstress, relative density and particle size.
Daniel Wong, Michael W. O'Neill, C. Vipulanandan   +2 more
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Numerical studies of vibratory pile driving

International Journal for Numerical and Analytical Methods in Geomechanics, 1988
AbstractThe processes underlying pile installation by vibratory loading rather than impact loading are complex. However, numerical studies using simple models for soil behaviour do throw some light on the basic dynamic processes involved. As better soil models become widely used, quantitative analyses using the techniques described, or simplifications ...
I. M. Smith, P. To
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Measured Effects of Vibratory Sheetpile Driving

Journal of the Geotechnical Engineering Division, 1980
The installation of sheetpiles using a vibratory hammer is becoming more common. However, this process induces vibrations into the ground which can be transmitted to nearby structures and which may produce settlements in sandy soil layers. A series of field case histories from San Francisco are reviewed where the effects of vibratory sheetpile driving ...
G. Wayne Clough, Jean-Lou Chameau
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The underwater sound field from vibratory pile driving

The Journal of the Acoustical Society of America, 2015
Underwater noise from vibratory pile driving was observed using a vertical line array placed at range 16 m from the pile source (water depth 7.5 m), and using single hydrophones at range 417 m on one transect, and range 207 and 436 m on another transect running approximately parallel to a sloping shoreline.
Peter H, Dahl, David R, Dall'Osto, Dara M, Farrell   +2 more
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