Vibration Response Analysis Of Station Structure Under Excitation Of Metro Train Driving

Along with plenty of high-speed railway projects construction in our country, transportation hubs were also constructed to achieve the "zero or short transfer" between railway, subway, light rail and bus. So these station buildings were in complex vibration conditions. This paper which based on theory and research from home and broad, studied the vibration response of the station structure under excitation of metro train driving through numerical simulation method. The major content of this paper includes the following four parts.First, development, present research status and the disadvantage of related research content was expounded. This paper summarizes the research method of the vibration response of the station structure under excitation of metro train driving.Second, this paper studied the characteristics and the confirming method of excitation of metro train driving through the references. A numerical model of steering train’s vibration excitation was established to get the time-history curve of excitation of metro train driving.Third, the finite element model of integral structure which contain soil, tunnel and station structure of Tianjin West Station was built in ANSYS software.Finally, the time-history curve of metro train vibration loads was applied to the modal. The vibration response of the station structure which was caused by excitation of metro train driving through the surrounding soil was calculated. This paper analysis the station structure’s vibration response in different tunnel burying depth, different train speed and different geological conditions. The vibration response of the station structure under excitation of metro train driving was concluded.