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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2010  >  10(4): 29-33
FENG Zhong-ju, WU Yan-ling, CHENG Chao, WU Ming-yuan. Influence range calculation of damaged bridge during vibropile construction[J]. Journal of Traffic and Transportation Engineering, 2010, 10(4): 29-33. doi: 10.19818/j.cnki.1671-1637.2010.04.005
Citation: FENG Zhong-ju, WU Yan-ling, CHENG Chao, WU Ming-yuan. Influence range calculation of damaged bridge during vibropile construction[J]. Journal of Traffic and Transportation Engineering, 2010, 10(4): 29-33. doi: 10.19818/j.cnki.1671-1637.2010.04.005
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Influence range calculation of damaged bridge during vibropile construction

doi: 10.19818/j.cnki.1671-1637.2010.04.005
  • 1.

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

  • 2.

    Chifeng Highway Department, Chifeng 024000, Inner Mongolia, China

  • 3.

    CCCC First Highway Consultants Co., Ltd., Xi'an 710075, Shaanxi, China

  • 4.

    CCCC Highway Consultants Co., Ltd., Beijing 100088, China

More Information
  • Author Bio:

    FENG Zhong-ju(1965-), male, professor, PhD, +86-29-82334881, ysf@gl.chd.edu.cn

  • Received Date: 2010-02-10
  • Publish Date: 2010-08-25
    Abstract
  • The influence range of damaged bridge during vibropile construction on surrounding soil was studied in the actual accident scene of Jiujiang Bridge by using vibration theory, cavity expansion theory and simulation analysis.The lateral displacement of foundation soil under vibration load was simulated, and the influence range was 20 m according to the diminish law of displacement.According to vibration theory, the attenuation of vibration wave in foundation soil was considered, and the influence range was 15 m.Using cavity expansion theory, the relationship between the aperture and the plastic zone for the soil was analyzed, and the influence range was 23 m.The influence ranges were between 15 m and 23 m.The factors such as piling rate, piling order and piling process were considered under the construction, according to the theoretical computation results, the processing scheme of actual project and measure result, the intended safe distance is 18 m.Applied result shows that the vibration wave caused by the construction of accident treatment platform's vibropile foundation, does not cause further collapse in surrounding environment, so the influence range of theoretical analysis is scientific and reasonable.

     

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