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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2010  >  10(3): 35-40
SHI Xiong-wei, LIU Hai-peng, ZHOU Yong-jun, HU Zhao-tong, YUAN Zhuo-ya. Effect of double-thin-wall distance on seismic response of continuous rigid frame bridge[J]. Journal of Traffic and Transportation Engineering, 2010, 10(3): 35-40. doi: 10.19818/j.cnki.1671-1637.2010.03.006
Citation: SHI Xiong-wei, LIU Hai-peng, ZHOU Yong-jun, HU Zhao-tong, YUAN Zhuo-ya. Effect of double-thin-wall distance on seismic response of continuous rigid frame bridge[J]. Journal of Traffic and Transportation Engineering, 2010, 10(3): 35-40. doi: 10.19818/j.cnki.1671-1637.2010.03.006
shu

Effect of double-thin-wall distance on seismic response of continuous rigid frame bridge

doi: 10.19818/j.cnki.1671-1637.2010.03.006
  • 1.

    School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China

  • 2.

    Xi'an Highway Research Institute, Xi'an 710054, Shaanxi, China

  • 3.

    Shaanxi Provincial Communications Construction Group, Xi'an 710075, Shaanxi, China

More Information
  • Author Bio:

    SHI Xiong-wei(1976-), male, senior engineer, doctoral student, +86-29-87827236, shixiongwei123@163.com

    HU Zhao-tong(1954-), male, professor, +86-29-82334831, hzt@gl.chd.edu.cn

  • Received Date: 2010-01-23
  • Publish Date: 2010-06-25
    Abstract
  • In order to study the effect of pier's layout on the seisimic response of continuous rigid frame bridge, a curved rigid frame bridge was taken as an example, the natural frequencies of the bridge under five double-thin-wall distances were analyzed by finite element procedure, and artificial earthquake wave was employed to compute the elastic seismic response of the bridge.The result shows that when double-thin-wall distance lies between 1/20 and 1/25 of main span, the change of fundamental frequency is not more than 5%, and the seismic responses of the moments of girder and pier and the displacement of the superstructure are not more than 12%, which indicates that the natural frequencies and the seismic response of the structure are not sensitive to double-thin-wall distance.So during the period of primary design, the effect of double-thin-wall distance on the dynamic performance of continuous rigid frame bridge can be neglected if the bridge has ordinary double-thin-wall distance.

     

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