Method and Application of Spatial Positioning for Valid Temperature-measuring Optical Fibers in Concrete Dams

Zhou, Huawei; Zhao, Chunju; Zhang, Liang; Zhou, Yihong; Wang, Fang

doi:10.1007/s12205-023-2336-6

KSCE J Civ Eng

2023

DOI: 10.1007/s12205-023-2336-6

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Method and Application of Spatial Positioning for Valid Temperature-measuring Optical Fibers in Concrete Dams

Huawei Zhou

Chunju Zhao

Liang Zhang

et al.

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2024

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Optimization Method for Improving Efficiency of Thermal Field Reconstruction in Concrete Dam

Xiang,

Lin,

Peng

et al. 2024

Applied Sciences

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In an actual concrete dam construction, the efficiency of thermal field reconstruction directly affects the timeliness of temperature control measures. Therefore, using lightweight methods to obtain real-time, accurate thermal fields is crucial for concrete temperature control. To balance both accuracy and efficiency, this study proposes an optimization method for thermal field reconstruction in concrete dams. The method consists of three components: evaluating interpolation algorithms, optimizing the number of monitoring points, and analyzing their positions. Specifically, a distributed temperature sensing system is employed for concrete monitoring, with a “Z-shaped” optical fiber layout. Three interpolation algorithms—Kriging, Natural Neighbor, and Inverse Distance Weighting—are quantitatively evaluated, with Kriging showing the highest accuracy. Sensitivity analysis, combined with the control variable method, is used to assess the impact of the monitoring point number and position. Lightweight application procedures are then proposed, using reconstructed thermal field results to guide strategy formulation and parameter adjustment for the intelligent cooling control system. A case study demonstrates that this method ensures the effectiveness and timeliness of concrete temperature control measures. The proposed approach enables real-time updates of concrete temperature control measures in sync with the progress of the pouring process, providing a valuable reference for similar projects.

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Optimization Method for Improving Efficiency of Thermal Field Reconstruction in Concrete Dam

Xiang,

Lin,

Peng

et al. 2024

Applied Sciences

View full text Add to dashboard Cite

show abstract

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Method and Application of Spatial Positioning for Valid Temperature-measuring Optical Fibers in Concrete Dams

Cited by 1 publication

References 33 publications

Optimization Method for Improving Efficiency of Thermal Field Reconstruction in Concrete Dam

Optimization Method for Improving Efficiency of Thermal Field Reconstruction in Concrete Dam

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