A numerical and experimental study of hollow steel pile in layered soil subjected to lateral dynamic loading |
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| Institution: | 1. School of Architecture & Civil Engineering, Xi''an University of Science and Technology, Xi''an 710064, China;2. Department of Civil & Environmental Engineering, University of Alberta, 9203-116 St NW, Edmonton T6G 1R1, Canada;3. Key Laboratory of Highway Construction & Maintenance Technology in Permafrost Regions, Ministry of Transport, CCCC First Highway Consultants Co., LTD, Xi''an 710075, China;1. State Key Laboratory of Subtropical Building Science, South China Institute of Geotechnical Engineering, South China University of Technology, 381 Wushan Road, Guangzhou 510640 China;2. Department of Infrastructure Engineering, Faculty of Engineering and Information Technology, The University of Melbourne, Parkville, Victoria 3010, Australia;3. School of Civil and Mechanical Engineering, Curtin University, Kent Street, Bentley 6102, Australia;1. State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resources and Hydropower, Sichuan University, Chengdu, Sichuan 610065, China;2. College of Engineering, University of Alaska Anchorage, 3211 Providence Drive, Anchorage, AK 99508, USA;3. School of Civil Engineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China;4. School of Civil Engineering, Shijiazhuang Tiedao University, Shijiazhuang, Hebei 050043, China |
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| Abstract: | The present study aims at investigating the nonlinear behavior of single hollow pile in layered soil subjected to varying levels of horizontal dynamic load. A finite element model has been developed using commercially available FEM based software. Mohr–Coulomb plasticity model is used to simulate the soil plasticity whereas the pile-material is idealized as elastic. Numerical results are validated comparing with the experimental results. The experimental investigations were carried out in the field located at IIT Kharagpur. Two types of motion: horizontal and rocking are studied. The effects of various influencing parameters, namely, exciting moment, length and diameter of the pile etc. on the nonlinear dynamic response of piles are investigated. It is found that separation of pile from the surrounding soil considerably affects the resonance frequency and amplitude of the pile foundations. |
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| Keywords: | Dynamic FEM Horizontal Layered soil Nonlinear Pile Resonance Rocking Separation |
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