Shaking table tests on geosynthetic encased columns in soft clay
| Autor: | Erol Guler, Cihan Cengiz |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
021110 strategic
defence & security studies geography geography.geographical_feature_category 0211 other engineering and technologies 02 engineering and technology Geotechnical Engineering and Engineering Geology Column (typography) Dynamic loading Earthquake shaking table General Materials Science Geotechnical engineering Geosynthetics Deformation (engineering) Reinforcement Levee Subsoil Geology 021101 geological & geomatics engineering Civil and Structural Engineering |
| Zdroj: | Geotextiles and Geomembranes. 46:748-758 |
| ISSN: | 0266-1144 |
| Popis: | This paper presents the results of an experimental research on the behavior of geosynthetic encased stone columns and ordinary stone columns embedded in soft clay under dynamic base shaking. For this purpose, a novel laminar box is designed and developed to run a total of eight sets of 1-G shaking table tests on four different model soil profiles: Soft clay bed, ordinary stone column installed clay bed, and clay beds with geosynthetic encased columns with two different reinforcement stiffnesses. The geosynthetic encased columns are heavily instrumented with strain rosettes to quantify the reinforcement strains developing under the action of dynamic loads. The responses of the columns are studied through the deformation modes of the encased columns and the magnitude and distribution of reinforcement strains under dynamic loading. The response of the granular inclusion enhanced soft subsoil and embankment soil and the identification of the dynamic soil properties of the entire soil body are also discussed in this article. Finally, to determine the effect of dynamic loading on the vertical load carrying capacity, stress-controlled column load tests are undertaken both on seismically loaded and undisturbed columns. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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