Wuhan Railway Bureau's CP3 measurementand track alignment adjustment
In 2021, within the jurisdiction of the Wuhan Bureau, the sectionfrom Hankou to Yichang, with a total length of 300 kilometers,underwent CP3 surveying operations.Railwaycare has re-calibrated the geometric dimensions of therailway tracks. Based on the standard of posterior intersectiondetection, eight reference points were used for repeatedcalibrations, thereby establishing a standard geometric state forthe tracks.
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