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Analysis method of thermal dam deformation

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Abstract

Based on the internal temperature variation of a dam lagging behind the ambient temperature variation, the ambient temperature of continuous variation is disctetized, and the functional expression of the thermal displacement component of the dam caused by single instantaneous temperature variation is obtained. Considering the temporal and spatial distribution law of the ambient temperature and its relation with air and water temperature, the function is expanded into a Taylor series. As a result, the improved thermal displacement component expression for a dam monitoring model is obtained.

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Authors and Affiliations

  1. College of Water-conservancy and Hydropower Engineering, Hohai University, Nanjing, 210098, China

    BaoSong Xu, DongJian Zheng, Lan Chen & CongCong Wu

  2. State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China

    BaoSong Xu, DongJian Zheng, Lan Chen & CongCong Wu

  3. Large Dam Safety Supervision Center(LDSSC), State Electricity Regulator Commission(SERC), Hangzhou, 310014, China

    BeiBei Liu

Authors
  1. BaoSong Xu
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  2. BeiBei Liu
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  3. DongJian Zheng
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  4. Lan Chen
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  5. CongCong Wu
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Correspondence to BaoSong Xu.

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Xu, B., Liu, B., Zheng, D. et al. Analysis method of thermal dam deformation. Sci. China Technol. Sci. 55, 1765–1772 (2012). https://doi.org/10.1007/s11431-012-4839-0

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  • DOI: https://doi.org/10.1007/s11431-012-4839-0

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