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YOU Qing-long, LING Jian-ming, YUAN Jie, SHAO Dao-jie. Finite element model of flexible airport pavement structure for large aircraft[J]. Journal of Traffic and Transportation Engineering, 2012, 12(2): 18-23. doi: 10.19818/j.cnki.1671-1637.2012.02.003
Citation: YOU Qing-long, LING Jian-ming, YUAN Jie, SHAO Dao-jie. Finite element model of flexible airport pavement structure for large aircraft[J]. Journal of Traffic and Transportation Engineering, 2012, 12(2): 18-23. doi: 10.19818/j.cnki.1671-1637.2012.02.003
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Finite element model of flexible airport pavement structure for large aircraft

doi: 10.19818/j.cnki.1671-1637.2012.02.003
  • 1.

    Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China

  • 2.

    Key Laboratory for Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai 201804, China

  • 3.

    General Station of Quality Inspection for Special Engineering of Civil Aviation, Civil Aviation Administration of China, Beijing 100007, China

More Information
  • Author Bio:

    YOU Qing-long(1982-), male, lecturer, PhD, +86-29-82334845, youqinglong0730@63.com

  • Received Date: 2011-11-16
  • Publish Date: 2012-04-25
    Abstract
  • The finite element model of three-layer pavement structure was set up by using general finite element software ABAQUS.The influences of model geometry size, boundary conditions, contact conditions among layers, element types, and grid divisions on the mechanical responses of pavement structure were analyzed under large aircraft load.The parameters of flexible airport pavement structure's finite element model were put forward to adapt the characteristic of large aircraft load, and the effectiveness of the model was verified by using the measured mechanical response data.Study result indicates that considering the whole landing gear load of large aircraft, the geometry size of finite element model is appropriately 30 m×30 m×10 m, and the tie is chosen for completely continuous interaction among layers.C3D8R is used as an optimal element type, and the element size of load region could be controlled not to exceed 0.05 m×0.05 m.All the displacements are constrained at the bottom of the model, horizontal displacement is corresponded with the model constraint around, and the finite element model is effective verified by measured data.

     

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    • References(14)
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