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논문 기본 정보

자료유형
학술저널
저자정보
Ren, Feifan (Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University) Wang, Guan (School of Environment and Architecture, University of Shanghai for Science and Technology) Ye, Bin (Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University)
저널정보
테크노프레스 Geomechanics & engineering Geomechanics & engineering 제14권 제3호
발행연도
2018.1
수록면
233 - 240 (8page)

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Pullout tests are usually employed to determine the ultimate bearing capacity of reinforced soil, and the load-displacement curve can be obtained easily. This paper presents an analytical solution for predicting the full-range mechanical behavior of a buried planar reinforcement subjected to pullout based on a bi-linear bond-slip model. The full-range behavior consists of three consecutive stages: elastic stage, elastic-plastic stage and debonding stage. For each stage, closed-form solutions for the load-displacement relationship, the interfacial slip distribution, the interfacial shear stress distribution and the axial stress distribution along the planar reinforcement were derived. The ultimate load and the effective bond length were also obtained. Then the analytical model was calibrated and validated against three pullout experimental tests. The predicted load-displacement curves as well as the internal displacement distribution are in closed agreement with test results. Moreover, a parametric study on the effect of anchorage length, reinforcement axial stiffness, interfacial shear stiffness and interfacial shear strength is also presented, providing insights into the pullout behaviour of planar reinforcements of MSE structures.

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