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The spiral case and its surrounding concrete (SCSC) constitute the core components of the hydropower station’s structural system. As the main load-bearing body of the hydroelectric generating unit, the quality of concrete construction serves as a critical prerequisite for ensuring the safe and stable operation of both the unit and the overall structure. In this study, the temperature control and cooling parameters of the SCSC during the construction phase were determined through inversion using the Coati Optimization Algorithm (COA). The resulting parameters were subsequently validated by finite element simulation. The findings indicate that the water pipe cooling parameters obtained via COA effectively limit the adiabatic temperature rise induced by the hydration heat of concrete, thereby offering theoretical guidance and technical reference for the temperature control design of mass concrete.

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Intelligent Inversion Method of Temperature Control Design Parameters for the Surrounding Concrete of the Spiral Case in Hydropower Stations

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年

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  • Wenjie Xu,
  • Gang Wang,
  • Zhenyue Ma

摘要

The spiral case and its surrounding concrete (SCSC) constitute the core components of the hydropower station’s structural system. As the main load-bearing body of the hydroelectric generating unit, the quality of concrete construction serves as a critical prerequisite for ensuring the safe and stable operation of both the unit and the overall structure. In this study, the temperature control and cooling parameters of the SCSC during the construction phase were determined through inversion using the Coati Optimization Algorithm (COA). The resulting parameters were subsequently validated by finite element simulation. The findings indicate that the water pipe cooling parameters obtained via COA effectively limit the adiabatic temperature rise induced by the hydration heat of concrete, thereby offering theoretical guidance and technical reference for the temperature control design of mass concrete.