Advances in Acoustics and Vibration / 2009 / Article / Tab 8

Research Article

Assessing the Open Trenches in Screening Railway Ground-Borne Vibrations by Means of Artificial Neural Network

Table 8

Percentage of contribution to the attenuation of the velocities—site close to the trench.

Attenuation ratio for horizontal velocitiesAttenuation ratio for vertical velocities
ParametersPercentage of contributionParametersPercentage of contribution

d31.00%d27.00%
23.00% 26.00%
ξ17.00%l 15.00%
l14.00% 13.50%
11.00%ξ11.50%
w4.00% 7.00%

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