What question did this study set out to answer?

This research aims to analyze the fastening mechanisms of high-strength blade root bolts in offshore wind turbines.

Study on fastening process of high strength blade root bolts of offshore wind turbine

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Study examines fastening process of high-strength bolts in wind turbines, revealing critical parameters influencing reliability.

This research aims to analyze the fastening mechanisms of high-strength blade root bolts in offshore wind turbines.
Developed a meso-scale finite element model of blade root bolts
Constructed a test system to simulate installed bolt states
Investigated the impact of fastening process parameters on pre-tightening force
Step-by-step tensioning, bolt length, and bolt interface stiffness influence pre-tightening force accuracy
Controlling instantaneous attenuation of pre-tightening force enhances fastening precision
Improved precision reduces likelihood of bolt failure

Han et al. (2026) studied this question.

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