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Structural Engineering and Mechanics Volume 90, Number 6, June25 2024 , pages 531-542 DOI: https://doi.org/10.12989/sem.2024.90.6.531 |
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Study on grout-free smart ground anchor using electromagnetic induction |
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Hyun-Seok Lee, Jong-Kyu Park and Jung-Tae Kim
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| Abstract | ||
| This study proposes a ground anchor using electromagnetic induction and utilizes an extended structure using hinges and links and mounting and sensing using electromagnets. The aim is to secure the anchor force, excluding grout, and to secure various sensing capabilities, including ground behavior. We propose a design based on the drilling diameter of 150 mm, and the materials used were STS304 and Aluminum 6061-T6. Computerized analysis was performed to confirm structural safety and functional implementation. The pull-out experiment was conducted by simulating the bedrock environment on a model earthwork as an experiment to check whether anchor force was generated by the insertion and tension of the anchor. The environmental pollution of grout, the difficulty of removing strands, and the inability to check whether the anchor is seated, which were pointed out as disadvantages of the existing ground anchor, were solved. Therefore, this study suggest that it can be effectively utilized as a secure and monitored anchoring solution in eco-friendly construction practices, including the installation of landslide prevention barriers. | ||
| Key Words | ||
| design application; mortar; sensor; simulation; vibration | ||
| Address | ||
| Hyun-Seok Lee, Jong-Kyu Park: Department of Mechanical Engineering, Changwon National University, Changwon, Gyeongsangnamdo, Korea Jung-Tae Kim: Graduate School of Advanced Defense Engineering, Changwon National University, Changwon, Gyeongsangnamdo, Korea | ||