Soil vibrations caused by driven piles using impact hammer can affect nearby buildings to varying degrees.To address this issue,through a 2 x 1000MW unit expansion project,the full-process vibration of a 43-meter pile in site was monitored.Using a triaxial vibrometer,the radial,tangential,and vertical vibration ac-celerations of the soil surrounding the pile were measured.The attenuation characteristics of soil vibration a-round the pile were analyzed.The variation of soil vibration at different distances from the pile as the depth in-creased was observed and visualized through peak acceleration contour maps.The study further revealed the vi-bration patterns of the soil surrounding the pile in relation to pile depth and distance from the pile.Results showed a trend of oscillatory attenuation in the soil vibration around the pile.
Precast pileDriven piles using impact hammerVibrationPeak acceleration
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