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Volume 14
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10.3390/buildings14010193
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Article

Design and Analysis of a New Prefabricated Foundation for Onshore Wind Turbines

by
Xinyu Li
1,
Huageng Hao
2,
Haijun Wang
1,3,
Liying Zhang
2,
Yaohua Guo
1,3,*,
Jijian Lian
1,3,4,
Yanyi Du
5,
Xianwen Wang
6 and
Cong Zeng
7
1
School of Civil Engineering, Tianjin University, Tianjin 300350, China
2
China Huaneng Group Clean Energy Research Institute Co., Ltd., Beijing 102209, China
3
State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University, Tianjin 300350, China
4
Maritime College, Tianjin University of Technology, Tianjin 300384, China
5
Huaneng Longdong Energy Co., Ltd., Qingyang 745000, China
6
Huaneng Jilin Power Generation Co., Ltd., Jilin 130012, China
7
School of Civil Engineering and Architecture, Northeast Electric Power University, Jilin 132012, China
*
Author to whom correspondence should be addressed.
Buildings 2024, 14(1), 193; https://doi.org/10.3390/buildings14010193
Submission received: 17 November 2023 / Revised: 7 January 2024 / Accepted: 9 January 2024 / Published: 12 January 2024
(This article belongs to the Section Building Structures)
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Abstract

A new type of prefabricated foundation for onshore wind power was proposed in this paper. The stress and bearing mechanism of the new foundation was explored through theoretical calculation and finite element analysis. The results show that compared with the extended foundation in the same position, the amount of concrete in the new foundation is reduced by 30.00%, and the amount of rebars are reduced by 34.69%. The new prefabricated foundation has been inspected and calculated according to the specification. The calculation results indicate that the stress and initial reinforcement of the foundation meet the specification requirements. The bearing capacity, inclination rate, deformation, and stability of the foundation meet the requirements. Through finite element analysis, it is further confirmed that the structure meets the requirements of wind turbine operation, and the overall force meets the requirements of various indicators. The stress distribution of the foundation concrete and rebars is reasonable and uniform, and the load transfer is great. Also, the maximum stress of rebars and concrete does not exceed the specification limit, and the concrete remains intact without cracking or damage. The new foundation structural design and theoretical analysis were reasonable and accurate, and can be put into application in the future.
Keywords: onshore wind power; assembly; new prefabricated foundation; theoretical calculation; finite element analysis onshore wind power; assembly; new prefabricated foundation; theoretical calculation; finite element analysis

Share and Cite

MDPI and ACS Style

Li, X.; Hao, H.; Wang, H.; Zhang, L.; Guo, Y.; Lian, J.; Du, Y.; Wang, X.; Zeng, C. Design and Analysis of a New Prefabricated Foundation for Onshore Wind Turbines. Buildings 2024, 14, 193. https://doi.org/10.3390/buildings14010193

AMA Style

Li X, Hao H, Wang H, Zhang L, Guo Y, Lian J, Du Y, Wang X, Zeng C. Design and Analysis of a New Prefabricated Foundation for Onshore Wind Turbines. Buildings. 2024; 14(1):193. https://doi.org/10.3390/buildings14010193

Chicago/Turabian Style

Li, Xinyu, Huageng Hao, Haijun Wang, Liying Zhang, Yaohua Guo, Jijian Lian, Yanyi Du, Xianwen Wang, and Cong Zeng. 2024. "Design and Analysis of a New Prefabricated Foundation for Onshore Wind Turbines" Buildings 14, no. 1: 193. https://doi.org/10.3390/buildings14010193

APA Style

Li, X., Hao, H., Wang, H., Zhang, L., Guo, Y., Lian, J., Du, Y., Wang, X., & Zeng, C. (2024). Design and Analysis of a New Prefabricated Foundation for Onshore Wind Turbines. Buildings, 14(1), 193. https://doi.org/10.3390/buildings14010193

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