Chapter
Apr 26, 2012
Seismic Analysis of Rigid Pile Composite Ground
Authors: Erxiang Song [email protected] and Siyu WuAuthor Affiliations
Publication: Advances in Ground Improvement: Research to Practice in the United States and China
Abstract
Rigid pile composite ground is a type of artificially improved ground widely used for high rise buildings in northern China. Its seismic behavior is of concern to many engineers. This paper summarizes the study carried out by the author's group. Both shaking table tests and dynamic finite element analyses were carried out to investigate the seismic behavior of this type of composite ground. It is shown that the earthquake resistance capacity of this type of composite ground is sufficient for usual situations. However, for buildings of more than 30 storeys on layered soils with larger difference in modulus there can be damage to the piles under strong earthquakes. In addition, a simplified calculation method is proposed to analyze the seismic response of the piles, and its applicability is validated through a number of comparative calculations.
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Information
Published In
Advances in Ground Improvement: Research to Practice in the United States and China
Pages: 189 - 197
Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Analysis (by type)
- Composite materials
- Dynamic analysis
- Dynamic tests
- Earthquake engineering
- Engineering fundamentals
- Engineering materials (by type)
- Finite element method
- Foundations
- Geomechanics
- Geotechnical engineering
- Laboratory tests
- Materials engineering
- Methodology (by type)
- Numerical methods
- Pile foundations
- Piles
- Seismic effects
- Seismic tests
- Soil dynamics
- Soil mechanics
- Soil stabilization
- Tests (by type)
Authors
Affiliations
Professor, Dept. of Civil Engineering, Tsinghua University, Beijing 100084, CHINA. E-mail: [email protected]
Siyu Wu
Engineer, Ground and Foundation Engineering Branch, China Jingye Construction Engineering Contract Company, Beijing 100088, CHINA
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