TECHNICAL INFORMATION

WHY IS THE REBAR COUPLER?


The traditional rebar connection techniques, such as overlapping or welding to overcome the technical difficulties which are encountered in the construction sector gradually, cannot meet the needs. With more successful structural integrity, the couplerd joint system product with high technology gives speed and competence to your projects while it reduces the cost.
The basic benefits of the couplerd joint system are as follows:
• It provides structural continuity as it has higher strength than the rebar. Thus it provides advantages statically especially in the multi-floored constructions.
• It prevents the problems such as time and labor loss, air void in joints and exceeding the percentage rate which are the open issues of lap mounting.
• It helps more durable and smaller column design and increase the living space by decreasing the length of rebar density in terms of architecture.
• It pulls the total rebar amounts down as no saving like that can be made for any item. It provides significant cost advantage in buying, logistic and stocking the rebar in site.
• It shortens the project period and presents cost advantages by decreasing the worker and crane operating time.
• It provides the opportunity of rebar mounting with no need to confusing.
• It reduces the quality control frequency and provides fast and easy joint without any question during the mounting.
• The quality control can easily be made with the available test techniques.
• It eases constructing the heavy rebar systems which has high strength degree around the world with the help of the couplerd joints.
• It provides the rebar continuity in the top-down manufactures which are applied in the subway rail and top-down projects.
• It is obliged to use over 30 mm in diameter in the Turkish Construction Standard TS500.
• Mechanic coupler overlapping provides to get rid of these calculations and the potential calculation faults.
• One of the biggest problems of the workers in site is that the concrete does not fill the construction elements well because of the rebar frequency. It allows ACI 318-95 max. 8% and TS500 max. 6% for percentage (This value is only allowed in the column / beam intersection in TS). As the mechanic couplers remove the lapped joint, there is no locking length coming from them and it provides the percentage to stay in limit. In addition to this, the concrete placement becomes easier with the decreasing of the rebar frequency.
• It reduces the cost of transportation, stock and crane.
• Giving the construction to the service earlier provides economic advantage as finishing the rough construction earlier reduces the construction time. As the rebar labor, the number of iron worker and crane decrease in the site, there appears more peaceful, secure and controlled working environment.
• Mechanic coupler provides to transfer the load in the rebar in the same line, independent from the concrete and ambient conditions. When the rebar transmits to non-elastic situation in the seismic application, mechanic connectors provide the integrity of the rebar continuity.
• Plastic locking area disregards the obligations in the joint standards. As the mechanic connectors can easily be moved out of the highly stressed areas, it provides the integrity of rebar without joint in these areas.
• The locking length in the rebar becomes out of work as it does not show concrete function covering the lapping joint in cold places, sea shores and in the conditions that the concrete section has damage, all of these cause the concrete cracks and the rebar does not work. Mechanic couplers provide the rebar continuity independent from this situation.