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- W74495515 abstract "This paper investigates the failure mode of a foundation structure supporting a wind turbine tower subjected to a cyclic load using three-dimensional non-linear FE analyses. The model, incorporating a steel tower and reinforced concrete foundation, was made up mainly from solid elements. Anchor bolts were modeled using line elements. First, static analysis was performed. Ultimate load at tower collapse was calculated as approximately 1000 kN. Next, dynamic analyses were carried out. Cyclic loads with constant amplitudes ranging from 30% to 60% of the ultimate load were applied to the top of the tower. Foundation failure occurred at 400 kN (40%). The cone-shaped failure starting at the anchor ring inside the reinforced concrete foundation was confirmed by strain contour and deformation. Next, failure processes of 400 kN and 600 kN loads were explored in detail. Finally, the relation between load and number of cycle at failure was shown as a simple diagram. It suggests that the wind turbine collapsed due to low-cycle fatigue." @default.
- W74495515 created "2016-06-24" @default.
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- W74495515 date "2013-09-12" @default.
- W74495515 modified "2023-09-26" @default.
- W74495515 title "LOW-CTCLE FATIGUE FAILURE MECHANISM OF WIND TURBINE FOUNDATION DUE TO VIBRATION OF UPPER STRUCTURE" @default.
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- W74495515 hasPublicationYear "2013" @default.
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