2. Mechanical connection of reinforcing bars are: ribbed steel sleeve extrusion connection, reinforcing bar taper thread connection and reinforcing bar equal strength threaded sleeve connection.
Welding is mainly the use of electric current to make the rebar joints or so that the welding rod melted, so that the parent material welded together, daily very common. The main introduction of the next rebar mechanical connection, rebar mechanical connection includes: taper thread connection, straight thread connection, cold extrusion.