A Judgment Method for the Positional Relationship Between the Shield Tail and the Segments of Large-diameter Shield TBMs
A technology of shield shield and large diameter, which is applied in the field of determining the positional relationship between the shield tail and the segment, which can solve the problems affecting the construction progress, segment misalignment, damage, etc., so as to reduce the investment of construction workers, speed up the construction production efficiency, Optimizing the effect of segment selection
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[0034] The overall process of the present invention is as figure 1 As shown, in the early stage of construction, according to the design drawings of the shield machine manufacturer, the calculation formulas of the propulsion cylinder stroke and hinge stroke of the selected four points are calculated through the spatial geometric relationship, and the formulas are input into the EXCEL table and then imported into the upper computer of the shield machine. After the import is completed, it can be used in the construction process.
[0035] Such as figure 2 As shown, during the shield construction process, the center of the segment 1 coincides with the center of the front shield 2 in the shield machine, and the space between the segment 1 and the shield tail 3 is geometrically parallel, which is the optimal positional relationship between the segment and the shield tail. However, in the actual construction process, because the shield machine needs to fit the design axis for excav...
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