UM
Soil-Geogrid Interaction at Various Influencing Factors by Pullout Tests with Applications of FBG Sensors
Wang, Han-Lin1,2; Chen, Ren-Peng1; Liu, Qi-Wei1; Kang, Xin1; Wang, Yan-Wei3
2019-01
Source PublicationJOURNAL OF MATERIALS IN CIVIL ENGINEERING
ISSN0899-1561
Volume31Issue:1
AbstractThe behavior of soil-geogrid interaction is a dominant factor in the long-term performance of geogrid-reinforced earth structures. This study investigates the interaction of sandy soil and the embedded geogrid by pullout tests with the application of a novel testing method using fiber Bragg grating (FBG) sensors. Three influencing parameters are considered: dry density of soil, initial normal stress, and fixing condition of the pullout back end. A displacement-controlled mode is used for the normal stress, and the pullout load is applied at a constant loading rate. The results indicate that for the case with a free back end, the peak shear stress mobilizes from the front face toward the back end with the elongation of the geogrid during the pullout process, before the entire slippage of the geogrid. With higher dry density or higher initial normal stress, the mobilization of the peak shear stress transmits more slowly and the distribution area of shear stress along the geogrid is accordingly narrower due to the corresponding higher resistance by the soil particles. However, the values of the peak shear stress in these two cases are still higher than in cases with lower dry density or lower initial normal stress. By contrast, a different distribution mode of shear stress along the soil-geogrid interface is identified for geogrid with a fixed back end, with maximum shear stress developing near the front face for all pullout displacements.
KeywordSoil-geogrid interaction Fiber Bragg grating (FBG) Pullout test Dry density Fixing condition
DOI10.1061/(ASCE)MT.1943-5533.0002537
URLView the original
Indexed BySCI
Language英语
WOS Research AreaConstruction & Building Technology ; Engineering ; Materials Science
WOS SubjectConstruction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
WOS IDWOS:000450404600005
PublisherASCE-AMER SOC CIVIL ENGINEERS
Fulltext Access
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Cited Times [WOS]:5   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Hunan Univ, Coll Civil Engn, Minist Educ, Key Lab Bldg Safety & Energy Efficiency, Changsha 410082, Hunan, Peoples R China;
2.Univ Macau, Fac Sci & Technol, Dept Civil & Environm Engn, Macau, Peoples R China;
3.Ningbo Jiangong Jianle Engn Co Ltd, Ningbo 315040, Zhejiang, Peoples R China
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Wang, Han-Lin,Chen, Ren-Peng,Liu, Qi-Wei,et al. Soil-Geogrid Interaction at Various Influencing Factors by Pullout Tests with Applications of FBG Sensors[J]. JOURNAL OF MATERIALS IN CIVIL ENGINEERING,2019,31(1).
APA Wang, Han-Lin,Chen, Ren-Peng,Liu, Qi-Wei,Kang, Xin,&Wang, Yan-Wei.(2019).Soil-Geogrid Interaction at Various Influencing Factors by Pullout Tests with Applications of FBG Sensors.JOURNAL OF MATERIALS IN CIVIL ENGINEERING,31(1).
MLA Wang, Han-Lin,et al."Soil-Geogrid Interaction at Various Influencing Factors by Pullout Tests with Applications of FBG Sensors".JOURNAL OF MATERIALS IN CIVIL ENGINEERING 31.1(2019).
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