Accurate calculation method for horizontal bearing capacity of offshore wind power foundation

By integrating multidimensional datasets and three-dimensional pile-soil models, coupling wave forces and wind loads, identifying pile types, and quantifying environmental deviations, the problem of dynamic load coupling and real-time monitoring in the calculation of offshore wind power foundation bearing capacity was solved, and accurate bearing capacity prediction was achieved.

CN121145566BActive Publication Date: 2026-03-20CHINESE CLASSIFICATION SOC
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Patent Information

Application Number
CN202511666112.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-11-14
Publication Date
2026-03-20
Estimated Expiration
2045-11-14

AI Technical Summary

Technical Problem

Existing technologies fail to fully capture the time-varying characteristics and interactions of waves, wind, and tides in calculating the horizontal bearing capacity of offshore wind power foundations. They neglect the dynamic coupling effects of loads, lack simulation of local stress concentrations and complex load paths, and lack real-time monitoring and dynamic correction mechanisms, leading to deviations in calculation results.

Method used

By integrating wave spectrum parameters, wind distribution data, tidal parameters, and soil stratification parameters to form a multidimensional dataset, a three-dimensional pile-soil model is established, wave force and wind load are coupled, pile type is identified, environmental deviation compensation coefficient is quantified, and the critical state of bearing capacity is determined and corrected based on real-time monitoring data.

Benefits of technology

Accurate simulation of load transfer process reveals local stress concentration, improves the accuracy of load response prediction, ensures that calculation results adapt to the dynamic changes of complex marine conditions, and guarantees the accuracy of calculation results.

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Abstract

The application belongs to the technical field of foundation horizontal bearing capacity calculation, and specifically discloses a kind of offshore wind power foundation horizontal bearing capacity accurate calculation method, the method comprises: integrating wave spectrum, wind condition, tide and soil parameters to form multidimensional data set;Three-dimensional pile soil model is constructed and wave force and wind load are coupled;Stiffness coefficient is calculated and combined with length-diameter ratio to identify pile type;According to the type of pile, the environmental deviation compensation coefficient is quantified;After calculating the preliminary horizontal bearing capacity, the bearing capacity failure critical state is judged based on real-time displacement monitoring data, if the critical state is reached, the preliminary bearing capacity is modified by linear weighting of displacement deviation compensation coefficient and environmental deviation compensation coefficient.The application dynamically couples time-varying environmental load, simulates the interaction between pile and soil in detail, establishes a stiffness self-adaptive grading mechanism and a double compensation feedback system, significantly improving the accuracy and real-time warning capability of horizontal bearing capacity calculation in complex marine environment.
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