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HE Liang-de, JIANG Ye, YIN Zhao-jin, ZHOU Bo, TANG Hui. Following distance model of inland ship[J]. Journal of Traffic and Transportation Engineering, 2012, 12(1): 55-62. doi: 10.19818/j.cnki.1671-1637.2012.01.010
Citation: HE Liang-de, JIANG Ye, YIN Zhao-jin, ZHOU Bo, TANG Hui. Following distance model of inland ship[J]. Journal of Traffic and Transportation Engineering, 2012, 12(1): 55-62. doi: 10.19818/j.cnki.1671-1637.2012.01.010
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Following distance model of inland ship

doi: 10.19818/j.cnki.1671-1637.2012.01.010
  • 1.

    School of Harbor, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, Jiangsu, China

  • 2.

    Jiangsu Provincial Communications Planning and Design Institute Co., Ltd., Nanjing 210004, Jiangsu, China

More Information
  • Author Bio:

    HE Liang-de (1964-), male, associate professor, +86-25-83786540, hldhsy@163.com

  • Received Date: 2011-09-26
  • Publish Date: 2012-02-25
    Abstract
  • In order to study the characteristics of inland ship flow, the correlation among breaking distance, ship length and speed was analyzed, the empirical equation of breaking distance was given based on ship breaking mechanism.The impact of operator experience on actual breaking distance was considered, and the following distance model of inland ship was established.Combined with instance analysis including single motorship, pushing fleet and towing fleet in Jiangsu, the parameters of following distance model were determined by analyzing the empirical value of major axis for inland ship domain and the computing value of piecewise linear model of 100 t single motorship.Analysis result shows that the breaking distances of 3 ship categories are related to the lengths of single ship, fleet and the longest barge, and the calculated length coefficients are 5.98, 2.73 and 17.41 respectively.The breaking distances of single motorship and pushing fleet are in direct proportion to the square of ship speed, the breaking distance of towing fleet is in direct proportion to the 0.85 th power of ship speed.The breaking operation coefficient and index of ship operator are determined as 0.78 and 2.5 respectively.

     

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