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LIU Hua, YE Jian-shu, YU Bo, LI Hai-sheng. Calculation method of transversal distribution factor for bridge load[J]. Journal of Traffic and Transportation Engineering, 2009, 9(1): 62-66. doi: 10.19818/j.cnki.1671-1637.2009.01.013
Citation: LIU Hua, YE Jian-shu, YU Bo, LI Hai-sheng. Calculation method of transversal distribution factor for bridge load[J]. Journal of Traffic and Transportation Engineering, 2009, 9(1): 62-66. doi: 10.19818/j.cnki.1671-1637.2009.01.013
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Calculation method of transversal distribution factor for bridge load

doi: 10.19818/j.cnki.1671-1637.2009.01.013
  • 1.

    China Zhongtie Major Bridge Reconnaissance and Design Institute Co. Ltd., Wuhan 430050, Hubei, China

  • 2.

    China Zhongtie Major Bridge (Nanjing) Bridge and Tunnel Detecting and Treatment Co. Ltd., Nanjing 210061, Jiangsu, China

  • 3.

    School of Transportation, Southeast University, Nanjing 210096, Jiangsu, China

More Information
  • Author Bio:

    LIU Hua(1979-), male, engineer, PhD, +86-25-58744600-8048, kylinbridge@163.com

  • Received Date: 2008-09-20
  • Publish Date: 2009-02-25
    Abstract
  • The load transversal distribution of bridge was confirmed according to the transversal distribution rule of main girder's vertical displacement. The modal parameters of bridge structure, such as natural frequency, modal shape and modal mass, were considered. A modal parameter method of calculating load transversal distribution factor was advanced for all kinds of bridge structure types. A test bridge model made of organic glass and a highway skew T bridge were selected to discuss the applying steps of the method. Computation result shows that the maximal difference between the computation value and the test value is only 2.6%, so the method for calculating the factor is more universal and exact than other traditional methods, and reduces the error resulted from the classification and assumption of bridge structures.

     

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