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논문 기본 정보

자료유형
학술저널
저자정보
Liu, Huabei (Huazhong University of Science and Technology) Yang, Guangqing (School of Civil Engineering, Shijiazhuang Tiedao University) Wang, He (School of Civil Engineering, Shijiazhuang Tiedao University) Xiong, Baolin (School of Civil Engineering, Shijiazhuang Tiedao University)
저널정보
테크노프레스 Geomechanics & engineering Geomechanics & engineering 제12권 제4호
발행연도
2017.1
수록면
579 - 593 (15page)

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Geosynthetic reinforced soil retaining walls can be employed as railway embankments to carry large static and dynamic train loads, but very few studies can be found in the literature that investigate their dynamic behavior under simulated wheel loading. A large-scale dynamic test on a reinforced soil railway embankment was therefore carried out. The model embankment was 1.65 meter high and designed to have a soilbag facing. It was reinforced with HDPE geogrid layers at a vertical spacing of 0.3 m and a length of 2 m. The dynamic test consisted of 1.2 million cycles of harmonic dynamic loading with three different load levels and four different exciting frequencies. Before the dynamic loading test, a static test was also carried out to understand the general behavior of the embankment behavior. The study indicated the importance of loading frequency on the dynamic response of reinforced soil railway embankment. It also showed that toe resistance played a significant role in the dynamic behavior of the embankment. Some limitations of the test were also discussed.

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