›› 2007, Vol. 28 ›› Issue (5): 933-938.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Solutions for axisymmetric problems of double layers generalized Gibson subgrade

DU Qin-wen1, WANG Jin-chang2, ZHU Xiang-rong3, WANG Xiao-mou1   

  1. 1. Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, Xi’an 710064, China; 2. College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310027, China; 3. Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China
  • Received:2005-03-07 Online:2007-05-10 Published:2013-09-10

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Abstract: The exact analytical solutions for displacements and stress of a double layers generalized Gibson elastic subgrade subjected to an axisymmetric surface load are presented. It is assumed that the soil of the subgrade is incompressible and that the shear modulus varies linearly with depth. In the two layers, the ratios of coefficient of linear term to constant term of the shear modulus expression are also assumed to equal during analyzing. Selected numerical results for vertical displacements are presented to portray the influence of the degree of nonhomogeneity, depth of second layer and different stiffnesses of the two layers on the responses of the nonhomogeneous subgrade. Hankel transforms are used in the analysis.

Key words: nonhomogeneous, Gibson subgrade, axisymmetric, Hankel transform

CLC Number: 

  • TU 47
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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