›› 2013, Vol. 34 ›› Issue (S2): 433-438.

• Numerical Analysis • Previous Articles     Next Articles

Simulation and prediction for environment vibration induced by urban rail transit with elevated line

ZHANG He-nian1, SUN Guang-jun 2,3, XIAO Jun-hua2, LI Xiong-wei 4   

  1. 1. School of Architecture, Southeast University, Nanjing 210096, China; 2. College of Civil Engineering, Nanjing University of Technology, Nanjing 210009, China; 3. College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100022, China; 4. School of Civil Engineering & Architechture, Changzhou Institute of Technology, Changzhou, Jiangsu 213002, China
  • Received:2013-03-25 Online:2013-11-11 Published:2013-11-19

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Abstract: Firstly, on the basis of wheel-track interaction theory, a function of exciting force of moving train on elevated line is established. Then, the exciting force is acted on the three-dimensional numerical models of rail structure, elevated line and soil foundation by utilizing the finite element software. The surrounding environment vibration response caused by train operation is simulated; and the numerical results are compared and verified by the field measurement data. Furthermore, the parameter effects of length of bridge span, train speed and soil properties on environment vibration are studied. On the basis of investigation of parameter influence characters and according to the statistical analysis, a prediction formula of vibration level on ground induced by urban rail transit with elevated line is presented and validated by the field experiments. The research results show that the numerical simulation and prediction can truly reflect the actual environment vibration caused by urban rail transit with elevated line.

Key words: urban rail transit, elevated line, environment vibration, simulation, prediction model

CLC Number: 

  • O 327
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