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Optimization of Composite Piled Raft Foundation with Varied Rigidity of Cushion

Liang, F. / Li, J. / Chen, L.

The present paper is to study how to achieve optimization of a piled raft foundation with varied cushion rigidity. The analysis model of piled raft foundation was set up using the fictitious pile method, and Fredholm's integral equations of the second kind were deduced to solve the problems. By simulating the cushion with Winkler springs, the effect of cushion was taken into consideration. The present method is suitable to analyze the foundation under working loads and could be applied to solve problems of different rigidities of piles and cushion. By adjusting the cushion's rigidity, the optimizing goal could be reached. Numerical examples are presented to illustrate the design principles.

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Optimization of Composite Piled Raft Foundation with Varied Rigidity of Cushion

Liang, F. / Li, J. / Chen, L.

The present paper is to study how to achieve optimization of a piled raft foundation with varied cushion rigidity. The analysis model of piled raft foundation was set up using the fictitious pile method, and Fredholm's integral equations of the second kind were deduced to solve the problems. By simulating the cushion with Winkler springs, the effect of cushion was taken into consideration. The present method is suitable to analyze the foundation under working loads and could be applied to solve problems of different rigidities of piles and cushion. By adjusting the cushion's rigidity, the optimizing goal could be reached. Numerical examples are presented to illustrate the design principles.

Optimization of Composite Piled Raft Foundation with Varied Rigidity of Cushion

Liang, F. / Li, J. / Chen, L.

The present paper is to study how to achieve optimization of a piled raft foundation with varied cushion rigidity. The analysis model of piled raft foundation was set up using the fictitious pile method, and Fredholm's integral equations of the second kind were deduced to solve the problems. By simulating the cushion with Winkler springs, the effect of cushion was taken into consideration. The present method is suitable to analyze the foundation under working loads and could be applied to solve problems of different rigidities of piles and cushion. By adjusting the cushion's rigidity, the optimizing goal could be reached. Numerical examples are presented to illustrate the design principles.

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Title:

Optimization of Composite Piled Raft Foundation with Varied Rigidity of Cushion

Contributors:

Liang, F. (author) / Li, J. (author) / Chen, L. (author)

Conference:

GeoShanghai International Conference 2006 ; 2006 ; Shanghai, China

Published in:

Foundation Analysis and Design ; 29-34

Publication date:

2006-05-11

ISBN:

9780784478158 , 9780784408650

DOI:

https://doi.org/10.1061/40865(197)3

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Composite materials , Innovation , Raft foundations , Design , Pile foundations , Optimization , Foundations , Rigidity

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