Ballast Track Structure Vibration And Environment Evaluate About The Vibration Spread In The Soil

With the development of city planning, people have more and more noticed the problem that the vibration induced by railway traffic affect the environment. Open out the principle of vibration induced by railway traffic, tracing its course of spread, and decrease the vibration pollutant has become a serious problem must to be resolved immediately in the environment vibration domain. Vibration induced by railway traffic mainly spreads through three kinds of wave, that is vertical wave, horizontal wave and surface wave. When we research the problem that wave spread in the soil, we need think over the artificial boundary condition.Stickiness boundary method is easy to use and has a wide application area so it is widely used .In this text, we use stickiness boundary method to research the problem that vibration wave spreads in the earth. We use ANSYS to establish the calculation model of railway structure and the earth under the railway, and input these force dates operate on railway foundation to the earth model to calculate dynamical respond of the earth, so we can receive the rule that vibration wave spreads in earth.