Torsional Deformation Analysis of Large Miter Gate under Different Operating Conditions

Ran Li, Hanbin Xiao, Xinyi Xiao, Jie Zhang and Lin Pan
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Ran Li: School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China
Hanbin Xiao: School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China
Xinyi Xiao: Mechanical and Manufacturing Engineering Department, Miami University, Oxford, OH 45056, USA
Jie Zhang: College of Mechanical and Power Engineering, China Three Gorges University, Yichang 443002, China
Lin Pan: School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China

Energies, 2022, vol. 15, issue 3, 1-17

Abstract: As an important part of the navigation facilities for water conservancy and electricity in Gezhouba, the operation safety of herringbone gates is critical. Due to the minor torsional stiffness of the gate, it is easy to produce torsional deformation during operating under the water pressure, wind load, and gravity, which may lead to fatigue damage. In this study, a gate model with a combination of plate unit and the solid unit was developed, taking a ship lock herringbone gate as an example. According to the gate load under different working conditions, such as self-weight, surge, etc., in this research, we used the finite element analysis software ANSYS to analyze and calculate the stress and strain of the gate, with and without a back tie, and obtained the characteristics of the gate torsional deformation under various working conditions. The results show that the gate’s deformation degree and the direction under different working conditions vary greatly. The maximum deformation point mostly appears in the upper or lower corners of the oblique joint column. The gate deformation can be significantly reduced by adding the back tie. The research results provide a theoretical basis for further optimizing the design of the gate and installation of the back tie to reduce the fatigue damage of the miter gate.

Keywords: finite element method; miter gate; torsional deformation; fatigue damage; Gezhouba (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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