Reliability Analysis of Subgrade Bearing Capacity of Gravity Foundation of Wind Turbine Based on JC Method

Zhong Qing Cheng; Ping Yang; Hai Bo Jiang

doi:10.4028/www.scientific.net/AMR.413.314

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 413Reliability Analysis of Subgrade Bearing Capacity...

Reliability Analysis of Subgrade Bearing Capacity of Gravity Foundation of Wind Turbine Based on JC Method

Abstract:

The design of foundation of wind turbine should meet the requirement of subgrade bearing capacity. In this paper, reliability method was used to analyze the bearing capacity of gravity foundation of wind turbine. The circular gravity foundation in coral sands is taken as research object. By deriving the expression of maximum pressure at the edge of foundation base under the action of overturning moment, the performance function of subgrade bearing capacity reliability analysis is established. JC method is used to calculate the subgrade bearing capacity reliability index. Effect of foundation size to reliability index is analyzed. Iterative calculation shows that the method proposed in this paper can calculate the reliability index of foundation quickly.

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Periodical:

Advanced Materials Research (Volume 413)

Pages:

314-319

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.413.314

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Online since:

December 2011

Authors:

Zhong Qing Cheng, Ping Yang, Hai Bo Jiang

Keywords:

Gravity Foundation, JC Method, Reliability, Subgrade Bearing Capacity, Wind Turbine (WT)

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