Chapter
Apr 26, 2012
Optimization of Composite Piled Raft Foundation with Varied Rigidity of Cushion
Authors: F. Liang [email protected], J. Li [email protected], and L. Chen [email protected]Author Affiliations
Publication: Foundation Analysis and Design: Innovative Methods
Abstract
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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Published In
Foundation Analysis and Design: Innovative Methods
Pages: 29 - 34
Copyright
© 2006 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Composite materials
- Design (by type)
- Engineering fundamentals
- Engineering materials (by type)
- Equations (by type)
- Foundations
- Geotechnical engineering
- Integral equations
- Integrals
- Load factors
- Materials engineering
- Mathematics
- Methodology (by type)
- Numerical methods
- Pile foundations
- Raft foundations
- Rigidity
- Structural behavior
- Structural design
- Structural engineering
Authors
Affiliations
Department of Geotechnical Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, People's Republic of China. E-mail: [email protected]
Department of Geotechnical Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, People's Republic of China. E-mail: [email protected]
Department of Civil Engineering, Shanghai Jiaotong University, 1954 Huashan Road, Shanghai 200030, People's Republic of China. E-mail: [email protected]
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