کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
279766 | 1430354 | 2008 | 22 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Ground vibration due to a high-speed moving harmonic rectangular load on a poroviscoelastic half-space Ground vibration due to a high-speed moving harmonic rectangular load on a poroviscoelastic half-space](/preview/png/279766.png)
The transmission of vibrations in the ground, due to a high-speed moving vertical harmonic rectangular load, is investigated theoretically. The problem is three-dimensional and the interior of the ground is modelled as a totally or partially saturated porous viscoelastic half-space, using the complete Biot theory. The solutions in the transformed domain are obtained using a double Fourier transform on the surface spatial variables. A modified hysteretic damping model defined in the wavenumber domain is used, first presented by Lefeuve-Mesgouez et al. [Lefeuve-Mesgouez, G., Le Houédec, D., Peplow, A.T., 2000. Vibration in the vicinity of a high-speed moving harmonic strip load. Journal of Sound and Vibration 231(5) 1289–1309]. Numerical results for the displacements of the solid and fluid phases, over the surface of the ground and in depth, are presented for loads moving with speeds up to and beyond the Rayleigh wave speed of the medium.
Journal: International Journal of Solids and Structures - Volume 45, Issues 11–12, 15 June 2008, Pages 3353–3374