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Dynamic impedance of pile and caisson foundations

 

作者: Cheng‐Using Chen,  

 

期刊: Journal of the Chinese Institute of Engineers  (Taylor Available online 1988)
卷期: Volume 11, issue 5  

页码: 467-476

 

ISSN:0253-3839

 

年代: 1988

 

DOI:10.1080/02533839.1988.9677097

 

出版商: Taylor & Francis Group

 

关键词: pile;impedance;soil‐structure interaction

 

数据来源: Taylor

 

摘要:

The dynamic impedance of a pile or caisson foundation embedded in a homogeneous visco elastic half‐space was evaluated using the hybrid method. The soil‐foundation system is partitioned into a near‐field and a far‐field by choosing a cylindrical interface passing through the soil region very close to the foundation. The near‐field is modeled by the finite element method while the far‐field is characterized by a frequency‐dependent impedance matrix through the continuum approach. From the results presented, it is shown that the proposed method is very effective and can be widely used for parameter studies in engineering applications.

 

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