#grouting sleeve

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Characteristic of Grouting Sleeve

The sleeve should be made of high-quality carbon structural steel, low-alloy high-strength structural steel, or alloy structural steel.

Grouting material for sleeves: It is a dry mix composed of cement as the basic material, fine aggregate concrete admixtures, and other materials.

The grouting sleeve is a combination of specially processed sleeves, matching grouting materials, and assembled reinforcements. When connecting the reinforcements, quick-hardening non-shrinkouting materials are injected, and the steel reinforcements are connected to the sleeves through the bond between the materials. Grouting sleeve connectors have the advantages of reliable performance, wide applicability, and easy installation.

1. The steel reinforcements are fully and evenly enveloped by the concrete, and if two reinforcements are tightly anchored side by side, they form an overlap.

2. There is no need to increase the concrete strength grade or the length of the reinforcement anchorage. At the same time, it can ensure that the two ends of the reinforcement are in line with the direction of force.

3. While saving costs, the strength of the connection node is greatly enhanced.

In summary, the sleeve grouting connection offers precise alignment, robust load transfer, vibration reduction, corrosion protection, and ease of installation and maintenance.

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Whole Grouting Sleeve Vs. Half Grouting Sleeve

Advantages of whole grouting sleeve compared to half grouting sleeves:

1. Under the condition that all performances can be met, the grouting sleeve pressed by special equipment and special process is lower in cost and easy to use compared with the grouting sleeve processed from bar material and the sleeve cast by ductile iron.

(2) When prefabricating components in the factory, the steel bar can be directly inserted into the sleeve, which saves the some steps if use half grouting sleeve, like threading and tightening the half grouting sleeve. The installation is fast and convenient, and the positioning accuracy can meet the standard requirements of use;

(3) Both ends are connected to the steel bar through high-strength grouting material, so the connection quality at both ends of the joint can be effectively guaranteed.

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Application Technology of Grouting Sleeve

Grouting connection means that both ends of the grouting sleeve are cavities, which are connected to the steel bars through the grouting material. It is suitable to the connection of the horizontal main bars between the beams and the connection of the main bars of the vertical members.

Grouting sleeves are divided into GTH series vertical grouting sleeves and GTQ4J series beam grouting sleeves. In addition, there are FG series vertical grouting sleeves and FGS series beam grouting sleeves specially designed for export.

The diameter of the grouting sleeve connecting the steel bars ranges from 16mm to 40mm.

Changsha DLADTO Rebar Splice Co., Ltd is a professional rebar coupler producer, we have been in this field for a long time with customers for all over the world. If you have any inquiry, welcome to contact us.