Composite prestressed bar finished guy cable and manufacturing method thereof
A technology for finished rib and prestress, applied in the field of composite prestressed rib finished cable and its preparation, can solve the problems of high quality control requirements in the construction process, difficult anti-corrosion work, complicated construction steps, etc. Homogeneous stress cracking, improving the ability to resist wind and rain vibration, and avoiding the effects of simultaneous corrosion damage
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[0051] Example one:
[0052] A finished cable with composite prestressed tendons composed of isolated anticorrosive steel strands. It includes a cable body I and two anchors II at both ends of the cable body I. The cable body I includes 7 single-stranded steel wires. The finished cable body of composite prestressed tendons composed of 4 and 6 stay wire 3; each anchor includes anchor unit Ⅱ01 and sealing unit Ⅱ02 (see figure 1 );
[0053] The anchoring unit II01 includes an end cover 5, a taper sleeve 6, an anchor plate 7, a nut 8, an anchor cup 9 and a restraining ring 11; the anchor plate 7 has a plurality of tapered anchor holes 701 for anchoring single stranded steel wires And the through holes used for anchoring the cable wire 3, the 7 single-strand steel wires 4 and the 6 cable wires 3 that form the cable body I of the finished composite pre-stressed tendon, after passing through the anchor cup 9, each single-strand steel wire The wires are respectively penetrated into the c...
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[0059] Embodiment two:
[0060] The manufacturing method of the composite prestressed tendon finished cable is described in the first embodiment. The production process includes the following steps:
[0061] A. Remove a length of the sheath at one end of the cable body I of the composite prestressed tendon product composed of n single-strand steel wires 4 and p cable wires 3, and clean the surface of each single-strand steel wire 4;
[0062] B. Pass the cleaned n single-strand steel wires 4 and p cable wires 3 through the anchor cup 9, and each single-strand steel wire 4 is inserted into the tapered anchor hole 701 of the anchor plate 7. The center wire 401 of each single stranded steel wire 4 is covered with a tapered sleeve 6, and the center wire is upset to form an upsetting head 4011, and the remaining m-1 side wires are located on the outside of the tapered sleeve 6 and are tapered Distributed and distributed with the tapered anchor hole of the anchor plate 7 to form a singl...
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