Proceedings of the International Conference on Industrial Design and Environmental Engineering, IDEE 2023, November 24–26, 2023, Zhengzhou, China

Research Article

Comparative Study on Calculation Methods of Temperature Field of Mass Concrete Structures in Subway Stations

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  • @INPROCEEDINGS{10.4108/eai.24-11-2023.2343470,
        author={Shuai  Kou and Manlin  Huo and Lian  Jin and Hua  Nie and Yuxin  Cao and Shaowei  Ren and Chong  Bian},
        title={Comparative Study on Calculation Methods of  Temperature Field of Mass Concrete Structures in  Subway Stations },
        proceedings={Proceedings of the International Conference on Industrial Design and Environmental Engineering, IDEE 2023, November 24--26, 2023, Zhengzhou, China},
        publisher={EAI},
        proceedings_a={IDEE},
        year={2024},
        month={2},
        keywords={mass concrete; temperature field; equivalent age; numerical simulation;  abaqus},
        doi={10.4108/eai.24-11-2023.2343470}
    }
    
  • Shuai Kou
    Manlin Huo
    Lian Jin
    Hua Nie
    Yuxin Cao
    Shaowei Ren
    Chong Bian
    Year: 2024
    Comparative Study on Calculation Methods of Temperature Field of Mass Concrete Structures in Subway Stations
    IDEE
    EAI
    DOI: 10.4108/eai.24-11-2023.2343470
Shuai Kou1, Manlin Huo1,*, Lian Jin2, Hua Nie3, Yuxin Cao2, Shaowei Ren1, Chong Bian1
  • 1: Lanzhou Jiaotong University
  • 2: Sinohydro Railway Construction Co., Ltd.
  • 3: Sinohydro Bureau 7 Co., Ltd.
*Contact email: huomlin@126.com

Abstract

When constructing the mass concrete temperature field, because the third type of boundary condition is difficult to deal with mathematically, the equivalent surface heat dissipation coefficient method or the equivalent thickness method is generally used for approximate processing in actual engineering. Based on different calculation methods, this study uses ABAQUS finite element software to establish three temperature field calculation models adds the concept of equivalent age, and compares and analyzes the error between the simulation results and the measured temperature. The calculation results show that after considering the equivalent age, the model of completely restoring the concrete surface insulation layer is the closest to the measured results, followed by the equivalent surface heat dissipation coefficient method; at the same time, both the simulation results and the measured results reflect that the concrete surface covering Insulation materials can effectively control the temperature difference between inside and outside.