IMHE OpenIR  > 山地灾害与地表过程重点实验室
THE SEISMIC RESPONSE ANALYSIS FOR DIFFERENT SLOPES OF HIGHWAY ROADBED
Language英语
Zhang, Quanwen1; Zhong, Wei2; Yang, Tao3
Corresponding AuthorZhang, Quanwen
2011
Source PublicationICTE 2011 - Proceedings of the 3rd International Conference on Transportation Engineering
Pages1945-1950
Conference DateJuly 23, 2011 - July 25, 2011
Conference PlaceChengdu, China
Funding OrganizationChina Communications and Transportation Association; Transportation and Development Institute of ASCE; Mao Yisheng Science and Technology Education Fund
Abstract

The influence factors of the dynamic response of roadbed structure are discussed in detail in this paper. These include dynamic characteristic of earthquake, properties of subgrade soil and geometric shape of roadbed structure. The distributions of amplification factor of peak acceleration, peak velocity, peak displacement and relative displacement are comprehensively analyzed under variousroadbed slopes. 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, the growth 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 themaximum 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 atthe 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. So, the research results can provide some references for the anti-seismic design ofroadbed structure.

KeywordHighway Roadbed Slope Seismic Stability Amplification Coefficient Numerical Calculation
DOI10.1061/41184(419)321
ISSN9780784411841
Indexed ByEI
Accession numberAccession number:20113914382581
Citation statistics
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18293
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, Sichuan, 614200, China
2.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, Sichuan, 610041, China
3.College of Civil Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China
Recommended Citation
GB/T 7714
Zhang, Quanwen,Zhong, Wei,Yang, Tao. THE SEISMIC RESPONSE ANALYSIS FOR DIFFERENT SLOPES OF HIGHWAY ROADBED[C],2011:1945-1950.
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