Abstract
This chapter primarily conducted the finite element analysis of the dynamic response of soil around the tunnel under dynamic load induced by the subway train; the main work and conclusions are summarized as below:
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1.
This chapter analyzed the mechanism of the generation of dynamic load induced by subway train and simulated it by programming in ANSYS.
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2.
According to the field investigation and data from the boreholes, we developed a 3D finite element numerical model by inputting the relevant data.
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3.
For obtaining accurate results without too large computational domain, artificial boundary was applied to simulate the soil body in the discretization of this model.
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4.
The dynamic response of the soil in the model was consistent to the data obtained from the field test. And the results were proved effective and reliable.
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5.
According to the calculation results, σ ′ z propagates further in vertical direction, while σ ′ x propagates further in the horizontal direction. Furthermore, the influence range of the dynamic load was determined by this model.
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Tang, Y., Zhou, J., Ren, X., Yang, Q. (2014). Finite Element Modeling. In: Dynamic Response and Deformation Characteristic of Saturated Soft Clay under Subway Vehicle Loading. Springer Environmental Science and Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-41987-4_5
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DOI: https://doi.org/10.1007/978-3-642-41987-4_5
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