Performance Evaluation of Submerged Floating Tunnel Subjected to Hydrodynamic and Seismic Excitations
- Title
- Performance Evaluation of Submerged Floating Tunnel Subjected to Hydrodynamic and Seismic Excitations
- Author
- 최동호
- Keywords
- submerged floating tunnel (SFT); mooring cable configuration; dynamics of SFT; hydrodynamic response; seismic response
- Issue Date
- 2017-10
- Publisher
- MDPI
- Citation
- APPLIED SCIENCES-BASEL, v. 7, no. 11, Article no. UNSP 1122
- Abstract
- Submerged floating tunnels (SFTs) are innovative structural solutions to waterway crossings, such as sea-straits, fjords and lakes. As the width and depth of straits increase, the conventional structures such as cable-supported bridges, underground tunnels or immersed tunnels become uneconomical alternatives. For the realization of SFT, the structural response under extreme environmental conditions needs to be evaluated properly. This study evaluates the displacements and internal forces of SFT under hydrodynamic and three-dimensional seismic excitations to check the global performance of an SFT in order to conclude on the optimum design. The formulations incorporate modeling of ocean waves, currents and mooring cables. The SFT responses were evaluated using three different mooring cable arrangements to determine the stability of the mooring configuration, and the most promising configuration was then used for further investigations. A comparison of static, hydrodynamic and seismic response envelope curves of the SFT is provided to determine the dominant structural response. The study produces useful conclusions regarding the structural behavior of the SFT using a three-dimensional numerical model.
- URI
- https://www.mdpi.com/2076-3417/7/11/1122https://repository.hanyang.ac.kr/handle/20.500.11754/115743
- ISSN
- 2076-3417
- DOI
- 10.3390/app7111122
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
- Files in This Item:
- Performance Evaluation of Submerged Floating Tunnel Subjected to Hydrodynamic and Seismic Excitations.pdfDownload
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