IMHE OpenIR  > 山地灾害与地表过程重点实验室
Numerical Simulation on the Dynamic Analysis for Different Highway Roadbed Height
Language中文
Quanwen, Zhang1; Wei, Zhong2; Tao, Yang3
Corresponding AuthorWei, Zhong
2011
Source Publication2011 International Conference on E-Business and E-Government, ICEE2011 - Proceedings ; 2011 International Conference on E-Business and E-Government (ICEE2011)
Pages7064-7066
Conference DateMay 6th-8th, 2011
Conference PlaceShanghai, China
Funding OrganizationIEEE
Abstract

The feature of dynamic response of different highway roadbed height under the action of seismic dynamic loading is analyzed by using numerical simulation. The distributions of amplification factor of peak acceleration, peak velocity, peak displacement and relative displacement are comprehensively analyzed under various heights. Some useful conclusions that the distributions of amplification factor of peak acceleration, peak velocity, peak displacement increase gradually with the raising of height is gone. Conclusively, thegrowth is low at the bottom part of slope, the top is fast. The contour is dispersal by slope shoulder point as circle center approximately, and increases gradually on the pavement from inner to outside. The contour of relative displacement is the similar to the amplification factor of peak displacement. It reaches the maximum at lateral slope mass of slope upper part. In general, it growths faster at the low 1/3 of slope mass, and changes a little at the upper part 2/3 of slope body. They have a more significant mutation between the two parts. The approximate position of instability slip surface under the seismic action is revealed. The change gradient is large at themiddle of roadbed, and is small at both sides. That is, the instability slip surface is easy to form at the middle of roadbed. The contour parallels to the foundation surface approximately and the distribution occur layers.

KeywordHighway Roadbed Seismic Stability Amplification Coefficient Numerical Simulation
DOI10.1109/ICEBEG.2011.5886871
ISBN9781424486946
Indexed ByEI
Accession numberAccession number:20112914159837
Citation statistics
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18294
Collection山地灾害与地表过程重点实验室
Affiliation1.Department of Civil Engineering, Southwest Jiaotong University, E'Mei Campus, E'Mei, Sichuan, China
2.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, Sichuan, China
3.Department of Civil Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
Recommended Citation
GB/T 7714
Quanwen, Zhang,Wei, Zhong,Tao, Yang. Numerical Simulation on the Dynamic Analysis for Different Highway Roadbed Height[C],2011:7064-7066.
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