Research Article

Microwave Structural Health Monitoring of the Grouted Connection of a Monopile-Based Offshore Wind Turbine: Fatigue Testing Using a Scaled Laboratory Demonstrator

Table 3

Procedure and test parameters for fatigue test.

DateLoad (%)Load typeForce vert. (kN)Force horiz. (kN)Duration (h)Frequency (Hz)Cycles (Nr.)

November 1410Bending, shear4015118,000
November 1620Bending, shear8025118,000
November 1840Bending, shear16045118,000
November 2260Bending, shear24065118,000