IMHE OpenIR  > 山地灾害与地表过程重点实验室
Numerical modeling of parallel seismic method for detecting existing piles in layered soil
Zhang, Jing-Yi1; Lei, Xiaoqin2
2018-02-01
Source PublicationSOILS AND FOUNDATIONS
ISSN0038-0806
Volume58Issue:1Pages:134-145
SubtypeArticle
Contribution Rank2
AbstractFor piles connected to superstructures, whose pile tops are inaccessible, a lateral horizontal impact on the side of the piles through the generation of a flexural wave of the pile shaft is a more feasible approach. This paper presents a parallel seismic ( PS) method based on the flexural wave of the pile shaft that combines down-hole tests for the length and an integrity evaluation of existing piles in layered soil. It is suggested that two PS tests be conducted by horizontal striking on the side surface of the pile along and perpendicular to the pile-to-borehole direction, respectively. The first arrivals of the transmitted P-wave and S-wave at the pile-soil interface obtained in these two PS tests and the results of down-hole tests are combined to analyze the pile length and to distinguish the embedded defects for the pile integrity evaluation. A simplified theoretical model for PS tests in layered soil is established, and a correction formula is proposed to correct the initial estimated pile length accordingly. A three-dimensional finite element model is then established to verify the effectiveness and reliability of the proposed PS method in layered soil and the correction formula. (C) 2017 Production and hosting by Elsevier B.V. on behalf of The Japanese Geotechnical Society.
KeywordExisting piles Parallel seismic method Integrity Flexural wave Nondestructive test
DOI10.1016/j.sandf.2017.11.009
Indexed BySCI
WOS KeywordFOUNDATION DEPTH ; SIMULATION ; INTEGRITY ; IMPACT
Language英语
Funding ProjectNSFC[41702331]
WOS Research AreaEngineering ; Geology
WOS SubjectEngineering, Geological ; Geosciences, Multidisciplinary
WOS IDWOS:000429409000010
Funding OrganizationNSFC
PublisherJAPANESE GEOTECHNICAL SOC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/22908
Collection山地灾害与地表过程重点实验室
Corresponding AuthorZhang, Jing-Yi
Affiliation1.Sichuan Inst Bldg Res, Chengdu 610081, Sichuan, Peoples R China;
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Hazards & Earth Surface Proc, Chengdu 610041, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Jing-Yi,Lei, Xiaoqin. Numerical modeling of parallel seismic method for detecting existing piles in layered soil[J]. SOILS AND FOUNDATIONS,2018,58(1):134-145.
APA Zhang, Jing-Yi,&Lei, Xiaoqin.(2018).Numerical modeling of parallel seismic method for detecting existing piles in layered soil.SOILS AND FOUNDATIONS,58(1),134-145.
MLA Zhang, Jing-Yi,et al."Numerical modeling of parallel seismic method for detecting existing piles in layered soil".SOILS AND FOUNDATIONS 58.1(2018):134-145.
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