Experimental study of coupling response characteristics of offshore monopiles, seabed, and waves in various sea conditions
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View abstract on PubMed
Summary
This summary is machine-generated.Offshore wind turbine monopiles experience significant wave forces, causing soil squeezing and potential instability. Understanding these complex interactions is vital for designing resilient offshore foundations in varying sea conditions.
Area Of Science
- Ocean Engineering
- Geotechnical Engineering
- Renewable Energy Systems
Background
- Rising demand for offshore wind energy necessitates understanding monopile foundation behavior.
- Wave-seabed-monopile interactions are critical for offshore structure stability and performance.
Purpose Of The Study
- To investigate the coupled response characteristics of offshore monopiles, seabed, and waves under various sea conditions.
- To provide insights into wave impact dynamics on monopiles and surrounding soil.
Main Methods
- Wave flume experiments were conducted to simulate offshore environmental conditions.
- Measurements of wave pressure, pile motion, and pore water pressure around the monopile were recorded.
Main Results
- Wave pressure on monopiles increases with wave height and pile height.
- Wave impact causes pile motion, soil squeezing, and pore water pressure buildup.
- Pore water pressure distribution varies with wave height and period, intensifying near the pile bottom under specific conditions.
Conclusions
- Wave-seabed-monopile coupling significantly influences offshore foundation stability.
- Understanding dynamic pore water pressure is crucial for predicting soil behavior and monopile integrity.
- The findings inform the design of robust offshore monopiles for diverse marine environments.
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