Analysis on the Precision of Ballastless Track Alignment Measurement Based on Fast Track Measurement System
In order to verify the reliability and feasibility of the application of the rapid track measurement system in the measurement of the ballastless track of the high-speed railway in operation,based on the ballastless track of a high-speed railway,the rapid track measure-ment system GRP1000 IMS and the conventional track detection system GRP1000 are selected respectively,and the track alignment measure-ment is carried out according to the set scheme by using the mode of multi-point absolute station setting. The track parameters such as plane deviation,elevation deviation,gauge,super-high deviation,track direction and long-short wave are compared and analyzed. The results show that the use of fast track measurement system can greatly improve the efficiency of ballastless track profile measurement,and can meet the re-quirements of high-speed railway ballastless track profile measurement accuracy.
fast track measurement systeminertial navigation technologyballastless track alignment measurementtrack parameters
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