TY - JOUR
T1 - Effect of improper ballast packing/tamping on dynamic behaviors of on-track railway concrete sleeper
AU - Kaewunruen, S.
AU - Remennikov, A.M.
PY - 2007/3
Y1 - 2007/3
N2 - A finite element approach is extended to study the ground vibrations induced by metro trains and their propagation properties. Two dynamic interaction models are established: the two-dimensional train-track interaction model, which provides the excitation loads of moving trains onto the tunnel structure, and the three-dimensional track-tunnel-ground interaction model, by which the propagation properties of ground accelerations and velocities are analyzed. The results show that there exists a vibration amplifying area in certain distance away from the tunnel center, and the dominant frequencies of the ground vibration concentrate in a certain range. Buildings located in that area with their natural frequencies falling in the specific frequency range will be sensitive to the ground vibrations induced by metro trains.
AB - A finite element approach is extended to study the ground vibrations induced by metro trains and their propagation properties. Two dynamic interaction models are established: the two-dimensional train-track interaction model, which provides the excitation loads of moving trains onto the tunnel structure, and the three-dimensional track-tunnel-ground interaction model, by which the propagation properties of ground accelerations and velocities are analyzed. The results show that there exists a vibration amplifying area in certain distance away from the tunnel center, and the dominant frequencies of the ground vibration concentrate in a certain range. Buildings located in that area with their natural frequencies falling in the specific frequency range will be sensitive to the ground vibrations induced by metro trains.
UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-33947217426&partnerID=MN8TOARS
U2 - 10.1142/S0219455407002174
DO - 10.1142/S0219455407002174
M3 - Article
SN - 0219-4554
VL - 7
SP - 167
EP - 177
JO - International Journal of Structural Stability and Dynamics
JF - International Journal of Structural Stability and Dynamics
IS - 1
ER -