›› 2005, Vol. 26 ›› Issue (3): 375-380.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Simplified analytic method of vertical harmonic response of single pile embedded in layered soils

LUAN Mao-tian1～3, KONG De-sen1, 4, YANG Qing1, 2, HAN Li-juan1   

  1. 1. Institute of Geotechnical Engineering, School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China; 2. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China; 3. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, wuhan 430071, China; 4.School of Civil and Architectural Engineering, Shandong University of Science and Technology, Qingdao 266510, China
  • Received:2003-12-02 Online:2005-03-10 Published:2013-11-21

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Abstract: Based on a certain assumptions and the improved dynamic beam-on-Winkler’s foundation model, a simplified analytic method for computing the vertical dynamic harmonic response of single pile embedded in nonhomogeneous soil layers are established by using the principle of soil dynamics and structural dynamics. Both nonhomogeneity of soil strata and softening effect of soil layers around pile are simultaneously taken into account in the proposed computational method. The comparative study on a numerical example shows that the dynamic response of single pile computed by the simplified analytic method are relatively rational and can well agree with the numerical results obtained by the well-known finite element program. Finally the parametric studies are made to examine the effects of main relevant parameters on dynamic response of single pile embedded in nonhomogeneous layered soils.

Key words: pile foundation, dynamic response, nonhomogeneous soil layers, softening effect, harmonic loading

CLC Number: 

  • TU 435
  • 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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