Reinforcement anchor plate and reinforcement mechanical anchorage technology provide a new mechanical anchorage method for reinforcement anchorage in concrete structure. The anchor plate integrating nut and base plate is connected with the end of reinforcement through straight thread connection to form reinforcement mechanical anchorage device. Its action mechanism is that the anchoring force of reinforcement is borne by the bonding force between reinforcement and concrete and the local bearing pressure of anchor plate, or all by anchor plate.

Technical indicators:

Compared with the traditional mechanical anchorage technology, the application of steel bar anchorage plate in concrete structure can reduce the anchorage length of steel bar by more than 40% and save the anchorage steel bar by more than 40%; The application of steel bar anchor plate in frame joints can save more than 60% of the steel used for anchoring; The anchor plate is connected with the end of the reinforcement through thread, which is fast in installation and easy to ensure the quality and performance; The anchoring plate has the advantages of large anchoring stiffness, good anchoring performance and convenient construction, which is conducive to commercial supply; Several new structural forms of mechanical anchorage of reinforcement at the top end node and middle end node of concrete frame can greatly simplify the on-site construction of reinforcement engineering, avoid the problems of dense reinforcement congestion and difficult binding, and improve the mechanical performance of joints and concrete pouring quality.

Scope of application:

The mechanical anchoring technology of steel bar is suitable for the mechanical anchoring of hot-rolled ribbed steel bar in concrete structure. The main scope of application includes: replacing the traditional bending bar with steel bar anchor plate, which can be used for beam column joints of frame structure; Replace the traditional bending bar and stirrup for simply supported beam support; It is used for reinforcement anchorage of concrete structures such as bridges, hydraulic structures, subways, tunnels and nuclear power plants; Used as fasteners for reinforcement anchor rod (or tie rod).

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