Environment Vibration Visualization Technology of Rail Transit Based on Vibration Map

Due to the huge vehicle-track-under rail foundation-earth coupling system, prediction and evaluation of environmental vibration caused by transit are subject analysis efficiency for a long time. Whether it is test or theoretical simulation, research object often limited specific sensitive points. However, scientific accurate urban planning requires that global. Referring noise map technology, this paper puts forward concept map, which used quickly predict visually manage transit, establishes rapid model builds technical route realizing takes one section as an example carry out application technology. The results cases show in vertical line direction, induced decreases gradually with increase propagation distance, individual sections rebounds when transmitted beyond 30m from center line; difference geological conditions has significant impact on transmission transit.