How and what to knit reinforcement correct?

You should always remember that the more reliable connections, the more reliable will be the design itself. Of course, in the beginning of the work should be carefully prepared fittings. We can not allow that the valve was dirty and rusty. When all obstacles are eliminated, the reinforcement can be cut into appropriate sizes in the required amount.

Two types of valves used in concrete constructions: corrugated longitudinal reinforcement in monolithic slabs as well as in vertical designs, smooth valve mainly used in the apparatus for transverse reinforcement stirrups and ties holding the reinforcing cage design. The cross section of reinforcement is chosen for calculation of design loads.

Methods and ways of reinforcement connections much. Each method is applied in a particular case. But today we look at the most common method of connection and fastening of reinforcing bars - knitting.

The pros and cons of the compound by mating:

• The simplicity of the method and speed of execution. With the help of special tools, fittings can learn to knit any person for 5 minutes.
• Cost and performance of work material is less than with other methods of connection.
• The very process of knitting can be performed directly on the spot in an already installed formwork.

The knitted reinforcement?

Tools and instruments from many different nail with pliers so the electric gun for mating fittings.

Consider the three main tools:

1. Average hook for mating fittings
Sam hook made of steel, and a wooden or plastic handle. It features a simple crochet knitting is that it is performed manually. And not a professional process will be long, because at first it will be necessary to get the hand.

Now for those who do not know how to do it. It's simple.
Take the wire interval 150-200 mm. Bend it in half. Once again, bend the wire in the form of loops. This pushes a loop under the two reinforcement bars along the diagonal. Next, take the hook itself and put on him from the first loop of wire bending. Then do one full rotation hook, holding the other end of the wire. The final step - dokruchivaem wire through.

2. Screw hook for mating fittings
Screw a hook - a mechanized version of the common hook for tying rebar. The principle of operation is almost the same: by rotating the tip of the hook-wire loop delay occurs. The mechanized version rotation is transmitted through the tip of the worm gear with the forward motion of the handle device up. When using mechanized hook much higher performance.

3. Cordless gun for mating fittings
Of course, for this work - it is the perfect tool number one. With this tool process it is much easier and much faster. This tool work with large volumes of monolithic structures, where the speed of the work is not unimportant factor. But also in the performance of work at the foundation of the device alone - productively take such Gun Rentals (because the cost of the gun is quite high and a one-time operation is not profitable it purchase).

The principle of operation of such a gun is simple. Hold it directly to the connection node and press the trigger - start button. The connection is ready. (Possible options according to the method of application depending on the version and model of the gun for mating fittings).

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