中文版 | English
Title

Physical model study of pile type effect on long-term settlement of geosynthetic-reinforced pile-supported embankment under traffic loading

Author
Corresponding AuthorFeng, Wei-Qiang
Publication Years
2023
DOI
Source Title
ISSN
2214-3912
Volume38
Abstract
In coastal area, the long-term settlement of high-way embankment is seriously concerned. Geosynthetic-reinforced pile-supported (GRPS) embankments have been widely adopted for the construction over soft soils to solve the large settlement problem. However, the long-term performance of GRPS embankment under traffic loadings is not fully understood. In this study, a series of physical model tests were conducted. Different pile types (rigid pile, rigid-flexible pile, flexible pile) and geosynthetic layers (single-layer and double-layer) were comparatively investigated. Two stages of long-term cyclic loadings were applied to simulate the traffic loadings. Based on the results, it is found that the model test with rigid pile has the least settlement, whereas the model test with flexible pile experiences the largest settlement when subjected to both 1 Hz and 2 Hz cyclic loadings. In the view of long-term settlement control, the rigid pile is the best choice for the GRPS system. The applied cyclic loadings have the lowest effect for the pile strain distribution in rigid pile model but much higher effects in both flexible pile and the rigid-flexible pile models, which demonstrates that the traffic loading after the construction of GRPS embankments may leads to unneglected stress redistributions. The findings of this study would provide the reference to consider the traffic loading effects on different pile types of GRPS embankment.
Keywords
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
Corresponding
Funding Project
National Natural Science Foundation of China["51878619","52078465","52278356"] ; Shenzhen Science and Technology Innovation Commission[JCYJ20210324105210028] ; Natural Science Foundation of Guangdong Province, China[2022A1515010118] ; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)["K19313901","GML2019ZD0210"]
WOS Research Area
Engineering
WOS Subject
Engineering, Civil ; Engineering, Geological
WOS Accession No
WOS:000911770300001
Publisher
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/425301
DepartmentDepartment of Ocean Science and Engineering
Affiliation
1.Zhejiang Sci Tech Univ, Sch Civil Engn & Architecture, Hangzhou 310018, Peoples R China
2.Southern Univ Sci & Technol, Dept Ocean Sci & Engn, Shenzhen 518055, Peoples R China
3.Hong Kong Polytech Univ, Dept Civil & Enviormental Engn, Hong Kong, Peoples R China
Corresponding Author AffilicationDepartment of Ocean Science and Engineering
Recommended Citation
GB/T 7714
Liu, Kai -Fu,Feng, Wei-Qiang,Cai, Yong-Hao,et al. Physical model study of pile type effect on long-term settlement of geosynthetic-reinforced pile-supported embankment under traffic loading[J]. Transportation Geotechnics,2023,38.
APA
Liu, Kai -Fu,Feng, Wei-Qiang,Cai, Yong-Hao,Xu, Hui,&Wu, Pei-Chen.(2023).Physical model study of pile type effect on long-term settlement of geosynthetic-reinforced pile-supported embankment under traffic loading.Transportation Geotechnics,38.
MLA
Liu, Kai -Fu,et al."Physical model study of pile type effect on long-term settlement of geosynthetic-reinforced pile-supported embankment under traffic loading".Transportation Geotechnics 38(2023).
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