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Half Grout-filled Sleeve for Rebar Splicing
Half Grout-filled Sleeve for Rebar Splicing is a grout-filled sleeve for connecting rebar between prefabricated building elements. This type of sleeve serves to connect reinforcing steel between prefabricated elements to ensure structural integrity and continuity. In an experimental study, it was found through testing that these sleeves can be optimally designed to achieve a reliable connection between two discontinuous reinforcing bars.
The conventional parameters include the diameter of the rebar, the length of the sleeve, the length of the threads, and the torque used. For example, in the experiment, in order to connect discontinuous bars with diameters of 12 mm and 20 mm, two types of steel semi-grouted sleeves were prepared, where one bar had a certain length of threads and was screwed into the threaded end of the sleeve, and the other bar was inserted into the other end of the sleeve and anchored with grout.
Its main role is to ensure the reliability of the connections between prefabricated elements and to maintain performance equivalent to that of site-cast structures. In addition, it helps to maintain the stability and load-bearing capacity of the structure under complex stress conditions and external environments.
Application of grouting sleeve
Features and benefits of the Half Grout-filled Sleeve include:
- Provides Reliable Connections: Enables reliable connections of reinforcing steel between prefabricated elements, ensuring structural integrity and continuity.
- Optimized design: Sleeves with different structural characteristics can be designed to suit different applications.
- Resistance performance: exhibit pinch shrinkage effect and stiffness degradation under cyclic loading, and have higher load carrying capacity and maximum strain under dynamic loading.
- Temperature adaptability: Although the tensile capacity is reduced at high temperatures, a design method for the bond strength of the sleeve can be established based on the mechanical properties at high temperatures.
- Defect tolerance: The effect of a variety of defects, including the ratio of stripped ribbing of reinforcement, on the performance of the sleeve connection has been investigated to ensure that structural safety is maintained even in the presence of defects.
Schematic diagram of grouting sleeve
These features make the Half Grout-filled Sleeve an important joining technology in the field of prefabricated construction, helping to improve the construction efficiency and safety of prefabricated structures.
Packaging and Shipping of Grouting sleeve products