Construction method for reinforcing turnout zone of criss-cross I-shaped steel and D beam combination system
A construction method, the technology of I-beam, applied in the direction of bridge reinforcement, roads, bridges, etc., can solve the problems of small application range, impossibility, and high construction risk, and achieve high safety and stability, low construction cost, and reduced demolition Effect
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[0023] The technical solution claimed by the present invention will be described in detail with reference to the drawings.
[0024] 1. Manually pierce the steel beam and move the D-shaped steel convenient beam
[0025] Because square concrete turnout sleepers are not needed in the turnout area, and the sleeper spacing cannot be squared and adjusted in advance, the steel beam 2 is inserted in the middle of the turnout sleepers directly according to the coordinate position of the steel beam. Manually move the D-shaped steel temporary beam 1, and set up a beam-moving platform on the outside of the existing shoulder in advance. The beam-moving platform must be firm and the height cannot exceed the rail top elevation; two D-shaped steel temporary beams 3.5 meters away from the two ends The steel rail slideway uses the standard gauge large pulley on the railway to horizontally move the D-shaped steel convenient beam 1; when entering the beam, advance a beam in the middle of the strand, a...
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