Precise control network measurement method of urban rails
A precision control and measurement method technology, applied in the direction of track, measuring instrument, track maintenance, etc., can solve the problems of low precision, inability to save for a long time, difficult operation and maintenance, etc., and achieve the effect of avoiding error accumulation and relatively high accuracy
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[0023] The urban track precision control network measurement method of the present invention is to carry out as follows:
[0024] Step 1. Buried SCP control points
[0025] Each SCP control point A is buried on the two side walls of the urban rail transit structure as a permanent reference. The longitudinal distance between adjacent SCP control points A is 30-60m, and each SCP control point A is 0.7m- 1.2m, the SCP control points A located on the two side walls of the urban rail transit structure are arranged in pairs, and the longitudinal direction refers to the direction along the track;
[0026] Corresponding measures in specific implementation also include:
[0027] Each SCP control point should be buried in a stable, reliable, non-destructive and easy-to-measure place, and should be anti-freezing, anti-settling, anti-vibration and anti-movement. When embedding the embedded parts of the SCP control point, first horizontally drill a hole at the selected position, using a ...
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