Near-trapping effect of wave-cylinders interaction on pore water pressure and liquefaction around a cylinder array
Copyright policy )Near-trapping effect of wave-cylinders interaction on pore water pressure and liquefaction around a cylinder array
Abstract The near-trapping effects on wave-induced dynamic seabed response and liquefaction close to a multi-cylinder foundation in storm wave conditions are examined. Momentary liquefaction near multi-cylinder structures is simulated using an integrated wave-structure-seabed interaction model. The proposed model is firstly validated for the case of interaction of wave and a four-cylinder structure, with a good agreement with available experimental measurements. The validated model is then applied to investigate the seabed response around a four-cylinder structure at 0° and 45° incident angles. The comparison of liquefaction potential around individual cylinders in an array shows that downstream cylinder is well protected from liquefaction by upstream cylinders. For a range of incident wave parameters, the comparison with the results for a single pile shows the amplification of pressure within the seabed induced by progressive wave. This phenomenon is similar to the near-trapping phenomenon of free surface elevation within a cylinder array.
- State Key Laboratory of Ocean Engineering China (People's Republic of)
- Collaborative Innovation Centre for Advanced Ship and Deep-Sea Exploration China (People's Republic of)
- Manchester Metropolitan University United Kingdom
- Shanghai Jiao Tong University China (People's Republic of)
- University of Aberdeen United Kingdom
WSSI, Environmental Engineering, Wave-structure-seabed interaction (WSSI), 550, Four-cylinder foundation, 610, 600, Ocean Engineering, Seabed response, Civil Engineering, 0905 Civil Engineering, Near-trapping phenomenon, TC Hydraulic engineering. Ocean engineering, seabed response, Four-cylinder foudation, 0911 Maritime Engineering, Momentary liquefaction, 0405 Oceanography, Wave-structure-seabed interaction, TC
WSSI, Environmental Engineering, Wave-structure-seabed interaction (WSSI), 550, Four-cylinder foundation, 610, 600, Ocean Engineering, Seabed response, Civil Engineering, 0905 Civil Engineering, Near-trapping phenomenon, TC Hydraulic engineering. Ocean engineering, seabed response, Four-cylinder foudation, 0911 Maritime Engineering, Momentary liquefaction, 0405 Oceanography, Wave-structure-seabed interaction, TC
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