Design Length of High-Grade Highway Circular Curve in Mining Area Basedon Curvature Changing Rate of Curve

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Design Length of High-Grade Highway Circular Curve in Mining Area Basedon Curvature Changing Rate of Curve

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[1]WANG Gang,GUO Guang-liLI Ling.Design Length of High-Grade Highway Circular Curve in Mining Area Basedon Curvature Changing Rate of Curve[J].Journal of Zhengzhou University (Engineering Science),2011,32(06):50-53.[doi:10.3969/j.issn.1671-6833.2011.06.012]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 32卷 Number of periods: 2011 06 Page number: 50-53 Column: Public date: 2011-11-10

Title:: Design Length of High-Grade Highway Circular Curve in Mining Area Basedon Curvature Changing Rate of Curve

Author(s):: WANG Gang1; 2; GUO Guang-li1; 2LI Ling1; 1.Key laboratory for resources environment and disaster monitoring of SBSM，China University of Mining and Technology ,Xuzhou 221116,China; 2. The Main Laboratory of Resource Environment Information of Jiang Su，China University of Miningand Technology ，Xuzhou 221116,China;3.Suthwest University of Science and Technology ,Mianyang 621010，China

Keywords:: curvature changing rate of curve; mining area; high-grade highway ; transition curve.

CLC:: U416

DOI:: 10.3969/j.issn.1671-6833.2011.06.012

Abstract:: In view of the shortage of traditional design methods of highway route,the conception of level curvechanging rate of curve was introduced,the safety assessment standard of level curve changing rate of curvewhich can ensure vehicle stability was proposed according to the relationship between level curve changing rateof curve and traffic accident.Based on this safety assessment standard,the formula for the circle curve lengthof high-grade highway level curve in mining area was investigated by using the design specifications of high-grade highway transition curve and the maximum additional curvature caused by mining.

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