Research on Model Calculating Depth of Environmental Vibration Caused by the Ground Rail Traffic Load

Xin Zheng; Yan Zhang; Xia Xin Tao; Fu Tong Wang; Li Li Xie

doi:10.4028/www.scientific.net/AMR.912-914.1698

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 912-914Research on Model Calculating Depth of...

Research on Model Calculating Depth of Environmental Vibration Caused by the Ground Rail Traffic Load

Abstract:

In order to reduce the computation amount and to ensure to compute environmental vibrations caused by ground rail traffic load comprehensively and accurately, calculating depth of the model for the ground was researched. The ground is simplified to a single layer elastic half-space model, and the dynamic Green's function of vertical displacement on the surface of the model was derived by using transfer matrix within frequency wave-number domain. vibration displacement amplitude in the range of 10 to 60 m away from the surface of the model to the vibration center were compared with different thickness of model and the elastic half-space model caused by the ground rail traffic load. It showed that the calculation results are quite different with different cover thickness, but with the increase of the cover thickness of layer, the results of single layer elastic half-space model approached the elastic half-space model. When the cover lager thickness reached to 25m, the difference of the magnitude was less than 5%.

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Periodical:

Advanced Materials Research (Volumes 912-914)

Pages:

1698-1701

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.912-914.1698

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Online since:

April 2014

Authors:

Xin Zheng*, Yan Zhang, Xia Xin Tao, Fu Tong Wang, Li Li Xie

Keywords:

Environmental Vibration, Model Calculating Depth, Rail Traffic, Transfer Matrix

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* - Corresponding Author

References

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