The procedure for construction of the blind area around the house

To the foundation of the house is not exposed to moisture, and therefore, the structure have stood for a long time without cracking or dipped, constructing a blind area. It is a strip of concrete or asphalt, erected on the perimeter of the building.

To blind area to function, to avoid any crevices between it and the cap, to avoid subsidence, it is necessary to implement a series of important events.

First, determine the line on the building basement, to which will reach the top of the blind area. Make simple calculations, you will realize that you need to remove the ground, the thickness of which is equal to 10 cm. After removal of this layer make the land base for ramming blind area.

Then lay it on the bedding layer. Its thickness is equal to 3 - 4 cm. As this layer is used a mixture of sand and gravel, brick nonstandard, debris, gravel, granite.

Then, a mesh-reinforced device. Armature 8 mm diameter is fine. Cut it into pieces 105 cm. in length. The number of parts must match the perimeter of your building. If it is

50 meters, the parts by 105 cm. must be 50 and better on a couple of pieces more.

Next, using the perforator drill holes in the base at a distance from each other by 1 meter at 45 degrees downward toward the base. The line on which the hole must be exactly in the middle between the top of the blind area assumed and the layer below that.

The next step. Insert into the holes of the fitting and bend downwards. If the valve penetrated the bedding layer, then it is best placed under something (e.g., a stone or brick). Then she gets into the layer of concrete that will be poured blind area. Then next to each bent portion of the ground vertically hammer More details of valve 2, the length of which is 40 cm.

One should be located near the base and fit the line of the blind area, the second - set the contrast, reducing its height by 2 - 2.2 cm. Use level. Both parts of the reinforcement must touch the one that stands in the socket. Next, lay the pins and longitudinal weld part. You also need to weld parts that are inserted into the base, to the vertical rods.

As a result, you will have 2 lines, each at their own level surrounds a house or other building.

These branches of the valves are needed:

- for reinforcement of the concrete slab of the blind area;

- to be beacons that will be made of concrete pouring.

Once everything is prepared, it can be made directly fill. But first, be sure to set the formwork to the transverse edge of the blind area. Its height should be slightly higher than the valve threads, which is the second time (on the cap).

Prepare the concrete. It is better to use for this purpose sand and gravel. So to get the strongest material. If there is no make up, then take the ASG or dropouts. But then add more cement.

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