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Failure Mechanism of Geosynthetic Reinforced Segmental Retaining Well in Tiered Configuration Using Reduced-scale Model Tests  

Yoo Chung-Sik (Dept. of Civil & Envir. Engrg., Sungkyunkwan Univ.)
Jung Hyuk-Sang (Tunnel Design Dept. of Daejung Consultant)
Jeon Sang-Soo (Dept. of Civil Engrg., Inje Univ)
Lee Bong-Won (Dept. of Civil & Envir. Engrg., Sungkyunkwan Univ.)
Kim Ki-Yeon (Dept. of Civil & Envir. Engrg., Sungkyunkwan Univ.)
Jeon Han-Yong (Dept. of Nano-System Engrg., Inha Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.21, no.3, 2005 , pp. 65-77 More about this Journal
Abstract
This paper investigates the failure mechanism of geosynthetic-reinforced segmental retaining walls with tiered configuration using reduced-scale model tests. The reduced scale model test set-up was established to simulate a 5 m high full-scale wall. The geometry and material properties used in the model test were determined based on the Similitude Laws. The wall failures in the model tests were successfully generated by their self weight without any surface loading and analyzed examining the digital video recordings. The failure mechanisms was examined with respect to the various offsets between the lower and upper teres and the reinforcement length. Based on the results the appropriateness of the current design guideline was discussed.
Keywords
Geogrid; Geosynthetic-reinforced segmental retaining wall; Reduced-scale model test; Similitude law;
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