JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2013, Vol. 43 ›› Issue (6): 72-76.

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Effect of train-induced vibration on the sensitive structure in city

KUANG Jian1, WANG Ming-bin2,3,  ZHANG Bo4,  ZHANG Dun-fu4*   

  1. 1. Jiandong Engineering Supervision Co Ltd of Guangzhou Province, Guangdong 510500, China;
    2. School of Civil Engineering, Ludong University, Yantai 264025, China;
    3. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China;
    4. School of Civil and Hydraulic Engineering, Shandong University, Jinan 250061, China
  • Received:2013-06-19 Online:2013-12-20 Published:2013-06-19

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Abstract:

For the monolithic track bed and rubber floating slab track bed, the vehicle-track coupling model was established, and the train loads were calculated by Newmark method. Then the tracksoil coupling model was established, the propagation characteristics on surface of metro vehicle-induced vibration was analyzed, and the effect of metro vehicle-induced vibration on the sensitive structure was studied by the finite element method. The results showed that the vertical Z vibration level of sensitive point and the horizontal vibration velocity of sensitive structure were bigger than the standard values respectively under monolithic track bed, which were lower than the standard values respectively under rubber floating slab track bed. The results also showed that the damping effect of the rubber floating slab track bed was very good.

Key words: sensitive structure, monolithic track bed, rubber floating slab track bed, finite element method, structure vibration velocity, vertical Z vibration level

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