Hunan Provincial Key Laboratory of Key Technology on Hydropower Development 410014;
PowerChina Zhongnan Engineering Corporation Limited 410021;
State Key Laboratory of Coastal and Offshore Engineering University of Technology 116024;
DeepWater Engineering Research Centre University of Technology 116024;
Institute for Earthquake Engineering of Infrastructure Engineering University of Technology 116024;
large-scale monopile; offshore wind turbine; pile-soil model; wind-wave load combination;