As the frame is the foundation of the foundation, on the quality of which depends the strength of the entire structure, the binding of the reinforcement and, specifically, the way in which these works are produced, are of great importance for determining the quality and reliability of the structure. The strength of the structure and the ability to withstand any environmental influences directly depend on how well the elements of the reinforcement are connected: from the type of reinforcement and its quantity used in the laying of the foundation, the method of binding the rods.
How to bind reinforcement to the foundation
Choosing rods for the construction of
The diameter that is used to determine the use of a particular brand of reinforcement in a foundation is considered. Thicker bars will carry more tension and other loads. The diameter is determined when designing the structure based on the indicators of soil soils, the planned weight of the structure. But not everyone in the construction strictly adhere to the projects, and some, in general, do not. What are the rods to use, if the construction is conducted without a project?
For the construction of a house of foam, heat and gas, a small cottage, a garage, bars suitable for diameters up to 12 mm are suitable. Use when laying the foundation of rods with a diameter of less than 12 millimeters, is not allowed.
If the construction of solid, large buildings is planned, the base foundation is reinforced with large diameter rods. When planning construction, be sure to look at the class of rods. In private construction, the A-3 class is suitable. Such a metal even in the cold state is bent by 90 degrees without consequences. Also used, but much less often, and A-2-class rods, bent at 180 degrees in the cold state. About how to fill the foundation, read here.
About how to fill the foundation read here.
We connect the ends of the wire with pliers
Mating systems of the reinforcing cage
For the foundation, you can knit the fittings either manually or semi-automatically.
If you knit with your hands, you will use a special hook or pliers. Bind the rods in the place of their crossing with ordinary wire, section from 0,8 to 1,2 mm. For the bundle, the wire is folded twice, winding the rods about a couple of dozen centimeters of double wire. Then the ends wrapped around the reinforcing bars, you need to twist the pliers with each other.
If the connection of reinforcing bars passes using a hook for binding, the process is as follows: fold the wire two times, under the crosshair, the resulting loop is put on the hook, and the second end is also put on the hook, then start to rotate the tool. This leads to tightening the connection.
The crochet hook can be replaced with a screw. The screw hook also twists the wire, but for this it is only necessary to pull the handle.
I must admit that manual binding of the armature is rather long and energy-intensive. An easier way to tie the reinforcement cage is using a knitting gun.
It greatly simplifies the screed process itself and at times reduces the time it takes to perform this procedure. On the screed of one piece of reinforcing bars, with the
the presence of a knitting gun is not spent more than two seconds. To operate the machine, you only need to press the trigger button. With all the advantages of such equipment, its only significant disadvantage is the high cost. From a thousand dollars and up. Knitting pistol is indispensable in the construction of larger buildings and structures, and its use on low-rise construction projects is irrational.
Video - binding of armature
Video - how to knit armature by hook
