How To Avoid Rust In Prestressed Anchors
Release time:
2021-06-18
When the anchor is used, there must be no rust, water and other debris. The working clip can be used by removing the foam in the packing box.
When the anchor is used, there must be no rust, water and other debris. The working clip can be used by removing the foam in the packing box. However, when the pre-stressed beam is long and needs to be repeatedly tensioned and anchored, it is recommended to apply a small amount of lubricant in the cone hole of the anchor plate, which is beneficial to the follow-up and follow-up of the working clip. Unanchoring is also beneficial to anchoring multiple times; the outer surface of the tool clip and the inner surface of the anchor plate cone hole are coated with lubricant before use, and the debris on the surface of the clip is often removed, which can make the anchor flexible, but when the clip is used If the tooth surface is cracked or damaged, it needs to be replaced and must not be used again.
Both the inner and outer walls of the anchor ring are threaded, the inner thread is used to connect the tension screw rod, and the outer thread is used to tighten the nut to anchor the wire bundle. Holes are drilled around the anchor ring and the anchor plate to fix the steel wire of the upsetting head. The number of holes and the spacing are determined by the number of steel wires. The steel wire is headed with the LD-10 hydraulic cold heading device. One end of the wire bundle can be upset when making the bundle, and the other end is to be upset after the bundle is threaded. Therefore, the end of the component channel should be equipped with a reaming hole. When tensioning, one end of the tension screw rod is connected to the inner thread of the anchor ring, and the other end is connected to the pull head of the tie rod jack. When the tension is controlled to control the stress, the anchor ring is pulled out, then tighten the outer thread of the anchor ring The nut to be anchored.
The anchor system should be used as a complete set and cannot be mixed with other systems. If you want to do a static load test, please clean the clip with an organic solvent and wipe off the anti-rust oil in the anchor plate hole, otherwise it will affect the anchoring performance.
The editor believes that the anchors must be kept well in the application, only in this way can they effectively extend their service life, save engineering costs, and improve work efficiency.
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