Chapter
Apr 26, 2012
Variance of the Subgrade Reaction for the Estimating the Resistance of a Pile Perpendicular to Pile Axis
Publication: Foundation Analysis and Design: Innovative Methods
Abstract
In Japan, a beam on an elastic medium model is usually used for designing piles loaded perpendicular to the pile axis. Three types of subgrade reaction model, namely Chang's model, S-type model, and C-type model, are usually used. The estimated coefficient of subgrade reaction varies from geotechnical investigation results quite differently for each model. It is therefore important to improve the accuracy of estimating the coefficient of subgrade reaction in reliability design methods. To do this for the most popular Chang's model, a new relationship between SPT-N value and the coefficient of subgrade reaction in Chang's model, kh, is proposed.
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Copyright
© 2006 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Beams
- Design (by type)
- Elastic analysis
- Engineering fundamentals
- Foundations
- Geotechnical engineering
- Geotechnical models
- Infrastructure
- Load and resistance factor design
- Load factors
- Models (by type)
- Pavements
- Pile foundations
- Piles
- Plastic design
- Structural analysis
- Structural design
- Structural engineering
- Structural members
- Structural systems
- Subgrades
- Transportation engineering
Authors
Affiliations
Head of Foundations Division, Port & Airport Research Institute, 3-1-1, Nagase, Yokosuka 239-8026, Japan;. E-mail: [email protected]
General Manager, Institute of Technology, Shimizu Corporation, 3-4-17, Etchujima, Kohto-ku, Tokyo 135-8530, Japan. E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.