Abstract A capacity calibration method of underground water-sealed storage in rock caverns using total station was proposed, which arranged traverse surveying of each part of the cavern, formed a unified coordinate system, and the capacity table and curves of the cave are finally obtained by data acquisition and data fitted of the cavern. By establishing the measurement model and analyzing the uncertainty components, the uncertainty of the calibration method meeted the technical requirements of relevant specifications. The results showed that the relative expanded uncertainty was 4‰, when coverage factor k=2, confidence probability P=95%.
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2021, Vol. 42 
