Chapter
Apr 26, 2012
Study on Anti-Seismic Function of EPS Geo-Foam in Metro Tunnel
Authors: Fei Ma, Chuan He, and Xiancong WuAuthor Affiliations
Publication: Logistics: The Emerging Frontiers of Transportation and Development in China
Abstract
In order to lessen the damage of seism in metro tunnel, many experts have made tests and practices in different methods, in which the method to cover a tunnel lining with a soft and thin coating material has been studied frequently in recent years. In this paper, the material EPS (expanded polystyrene) geo-foam is used as the coating material first time in this field. Under different thicknesses and densities of EPS geo-foam, the response of the metro tunnel in earthquake shear wave is analyzed by using Three-Dimension Soil-Structure Model. Numeral analysis results show that peak shear stress can be reduced greatly by adopting EPS material and the effect is not sensitive to the density of EPS geo-foam.
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Published In
Logistics: The Emerging Frontiers of Transportation and Development in China
Pages: 2509 - 2514
Copyright
© 2009 American Society of Civil Engineering.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Coating
- Continuum mechanics
- Dynamics (solid mechanics)
- Earthquake engineering
- Engineering fundamentals
- Engineering mechanics
- Geotechnical engineering
- Infrastructure
- Materials engineering
- Materials processing
- Rail transportation
- Seismic effects
- Seismic tests
- Seismic waves
- Shear stress
- Shear waves
- Solid mechanics
- Stress (by type)
- Stress analysis
- Structural analysis
- Structural engineering
- Subways
- Tests (by type)
- Transportation engineering
- Tunnels
- Waves (mechanics)
Authors
Affiliations
Fei Ma
College of Civil Engineering, Southwest Jiaotong University, Chengdu, China, 610031
Chuan He
College of Civil Engineering, Southwest Jiaotong University, Chengdu, China, 610031
Xiancong Wu
School of Economics and Management, Southwest Jiaotong University, Chengdu, China, 610031
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