Mr. Qi Ling Profile

Qi Ling

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Proceedings Article | 10 February 2023 Paper

Analysis of prototype monitoring and safety limits for plain regulating reservoir during initial operation period

Lan Zhang, Bo Hu, Qi Ling, Hui Shen

Proceedings Volume 12552, 125520Z (2023) https://doi.org/10.1117/12.2667250

KEYWORDS: Safety, Deformation, Statistical analysis, Prototyping, Data modeling

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Plain regulating reservoirs have played an important role in optimizing the allocation of regional water resources, strengthening the conservation and protection of groundwater, and promoting the sustainable development of economy and society. By using reservoir safety monitoring index to implement the dynamic safety management during the initial operation period, it is helpful to find abnormalities in time and effectively control risks. Based on prototype monitoring results of a regulating reservoir in the initial five years, the temporal and spatial laws and characteristics of the project operation behavior evolution were summarized and refined. It was found the embankment dam was still in settlement and the settlement did not converge, and the seepage pressure of the dam foundation was significantly affected by the water level. By constructing the typical effect quantity sample which can reflect the effect of adverse load and statistical model, the typical small probability method, the confidence interval method and measured extreme value were comprehensively applied, then effective and practical safety monitoring indexes were established, which can be used to monitor reservoir safety operation and realize early warning and prediction.

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