Space positioning construction method for pre-stressing tendon of dome structure
A technology of prestressed reinforcement and construction method, which is applied in building structure, processing of building materials, construction, etc., can solve the problem that the construction quality of prestressed reinforcement cannot be guaranteed, the safety and reliability of the dome structure cannot be guaranteed, and the construction positioning is complicated. problems, to achieve the effect of saving construction period, high feasibility and simple operation
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[0040] The plane of the prestressed tendon passing through the dome of a nuclear power project is as follows Figure 4 As shown, there are a total of 180 prestressed tendons 1, each arranged at an average of 2°, numbered 1-180. The prestressed tendons 1 passing through the dome are two orthogonal layers. There are 52 prestressed bars 1.1 in the lower layer, 26 on each side passing through opposite directions, all along the directions of 60° and 240° (coordinate axis YY direction); the upper layer of prestressed bars 1.2 There are 52 in total, 26 on each side passing through each other, all along the directions of 150° and 330° (coordinate axis XX direction), perpendicular to the prestressed tendons in the directions of 60° and 240°.
[0041] Establish an overall three-direction Cartesian coordinate system X, Y, Z, where X is 90° and 270°; Y is 0° and 180°; Z is vertical to the XY plane, which conforms to the right-hand rule.
[0042] The local plane Cartesian coordinate syste...
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