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1. Reinforced joints should try to avoid locations with large bending moments;
2. The joint rate of the same section should be effectively controlled;
3. There will be requirements in the general design structure description;
4, GB52002 has corresponding regulations;
5, there are provisions in the technical regulations for the welding of steel bars;
6. There is a prescribed pattern in the Atlas of Pingfa.
7, the corresponding mechanical connection technical regulations also have provisions;
Due to the fact that the performance of the transfer force of the steel bar connecting joints is not as good as that of the entire steel bar, the principle for setting up the steel bar connection is: the joint should be set at a place where the force is less; the joint should be set less on the same bar.
Reinforced straight thread connection precautions
With the development of construction, the requirements for the production of reinforcing steel cages are getting higher and higher. The new requirements cannot be achieved by hand. For example, the diameter of the main bars used is getting larger and larger, and the maximum diameter can reach 50mm; the stirrups are cold-drawn. Ribbed high-strength rebar with a maximum diameter of up to 16mm; a 12m long cage weights up to 8 tonnes; two main reinforcements are used side-by-side in the radial or circumferential direction; according to the load-bearing requirements, different diameters of main reinforcements can be used on the same circumference to save Materials and so on. These new requirements for the connection of cages, in the production and construction must continue to practice, in order to lower production costs, construction speed, high construction quality.