External prestressed tendon fireproof heat insulation device
A technology of external prestressing and heat insulation devices, which is applied in the erection/assembly of bridges, bridge parts, bridge maintenance, etc., can solve the problems of upper span bridge collapse, secondary accidents, accidents, etc., and achieve the effect of delaying the time of collapse
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[0029] Embodiment: When the external prestressed tendon fireproof and heat insulation device is installed, the flexible resin sleeve 42 and the expandable graphite inner tube 43 are bonded together first, and then the bonded flexible resin sleeve 42 and the expandable graphite inner tube 43 are bonded together. The graphite inner tube 43 is sleeved on the outside of the external prestressed tendon body, and then the two ends of the external prestressed tendon body are connected to the bridge structure 1 by using anchors 2, and then the expansion bolts 15 are driven into the backing plate on the bridge structure 1 13, and access the connecting rod 14 on the pad, then splice the first semicircular pipe 5 and the second semicircular pipe 6, and make the connecting rod 14 pass through the mounting hole in the mounting block 17, and then connect to the first Through the stud bolt 11 in the hole 8 and the second connection hole 10 and lock into the first lock nut 12, and lock into th...
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