What are the three ways of connecting steel bars?
Release time:
2024-03-06
There are three main ways of connecting steel bars:
Lapping: Use the bonding force of concrete to transfer the stress of steel bars. This method is relatively simple and does not require energy consumption. It is mainly suitable for the extension of steel mesh, main bars and stirrups, and longitudinal steel bars.
Welding connection: The connection is achieved by melting parts of the steel bar and then cooling and solidifying into a whole. There are two types of welding methods: pressure welding and fusion welding. Pressure welding includes flash butt welding, resistance spot welding, and air pressure welding; fusion welding includes arc welding and electroslag pressure welding. Welded connection joints are strong and fast, and are suitable for lengthening longitudinal steel bars and connecting steel bars to steel plates.
Mechanical connection: Connect two steel bars by mechanical means, including sleeve cold extrusion connection, tapered threaded sleeve connection, rolled straight thread sleeve connection, etc. This connection method has reliable joints and good seismic resistance, and is suitable for connecting larger diameter steel bars in vertical, horizontal and other directions.
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