Random detection method of assembling quality of assembling segment rings of shield tunnel
A technology of shield tunnel and detection method, which is applied to measurement devices, optical devices, instruments, etc., can solve the problems of total station not having visibility conditions, unable to measure the total station, difficult to operate, etc.
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[0053] The invention is a random detection method for the quality of segment rings assembled in a shield tunnel, and the invention can solve two problems in the background technology.
[0054] combine figure 2 , when the shield excavation reaches the mileage of the 20th ring assembly segment ring, and the shield segment assembly area forms the latest ring, that is, the 20th ring assembly segment ring, according to the visual situation in the segment assembly area and the assembly segment ring The diameter of the target group is set symmetrically, and four target groups are arranged symmetrically along the circumference of the 20th ring assembled segment ring. The polygon formed by the position connection of adjacent target groups is approximately the same as the 20th ring assembled tube A regular quadrilateral with concentric rings, each target group is equipped with 3 targets, and the line connecting the positions of the 3 targets must be an acute triangle and the distance b...
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