Gyro Theodolite Use Example-1

(1) Measurement of tunnel centerline

In tunnel excavation projects, the centerline measurement in the pit generally uses long-distance wires that are difficult to ensure accuracy. In particular, in case of shield excavation, a high accuracy of angle measurement and transfer station must be established from the short reference centerline of the pit. Accuracy, but also in the measurement of the ground and underground checks often to ensure the accuracy of the measurement. Especially in dense urban areas, the inspection conditions are difficult and it is impossible to carry out excessive testing operations. If you use a gyro-theodolite, you can get an absolute high-accuracy azimuth reference, and it can reduce the costly inspection work (minimum checkpoint), which is a highly efficient centerline measurement method.

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