Screw piles: repair of the foundation with their help

Even the most good and strong home canfoundation repairs will be required if any errors were made during construction. In addition, this is possible if the house is on mobile ground. Screw piles are often used for this purpose. Repair of the foundation with their help is considered the most effective and quite simple. It's easy to do on your own.

What are screw piles?

Эти устройства представляют собой пустотелую pipe. At one end it has special cutting blades. With their help, the pipe is screwed into the ground to the required depth. At the other end is its tip. Its purpose is to support the foundation of the dwelling when you repair the foundation with screw piles.

Where are they used?

Screw piles are used in the construction of masts and pylons of power lines, fences, advertising billboards, marinas, moorings, while strengthening the ground in places where landslides occur.

How to make?

Of course, the ideal option is to buy a screw.piles in a specialized shop. Here you must provide all the necessary documentation: a technical passport with an indication of all the parameters of the pile, a certificate of quality. The personnel of the trading organization is obliged to answer all questions of interest, give the necessary advice, assist in the selection. When buying a pile, be sure to pay attention to the parameters specified in the passport, and the compliance of all characteristics.

In the manufacture of handicraft piles necessaryfollow the SNiP 2.02.03-85 "Pile foundations". Of the entire product is very difficult to properly make the screw itself. Often you can not choose the right angle. It is better to entrust the final welding of the product to a welder.

Screw piles: foundation repair

When repairing the foundation of the house is bestuse screw piles. The advantages of this design lie in its versatility, low labor intensity, the possibility of using it in any soils (except rock) and easy dismantling during the redevelopment of the site. Performing the repair of the foundation of the house with screw piles, you save the landscape of the site, you get the opportunity to increase and then twist the pipe to the required depth.

The undoubted advantage is the shortest time.foundation construction, structural durability (up to 150 years, and piles treated with a special compound will last up to 200 years). There are also disadvantages of this design: stray currents in the ground have a great influence on the corrosion resistance, miscalculations are possible when choosing the pile diameter and wall thickness of the barrel. Also in handicraft production, the quality of welds is of great importance.

So, we found out that for the work of interest to us it is best to use screw piles. Repair of the foundation, like any other work, must take place in several stages:

1. First you need to analyze the soil under the house. You must find out what breeds it consists of, calculate its density.
2. Next, you need to decide on the degreedamage to the base of the house, to understand: whether to change it completely, or simply enough to use screw piles. Repair of the foundation in this case can be performed independently.
3. Having decided on the scale of damage, it is necessary to raise the house using jacks and wooden posts. Before this work, it is necessary to take the furniture out of the house as far as possible in order to reduce its weight.
4. Beams should be placed along the perimeter of the house and under the bearing walls. They must exactly match the size of the building.
5. Screw piles are screwed in vertically along the walls at a distance of about 30-40 cm.
6. All piles are cut at the same level. By welding, they are connected to the beams under the house.
7. The old foundation can then be dismantled.

Foundation repair with screw pilessimple enough. At the same time, it is very reliable. We described the technology of repair for log houses. However, the concrete monolithic foundation of the building can be strengthened in the same way. To do this, it is enough to screw the screw piles into the necessary places and strengthen them with the help of anchors and welded devices. After you have finished repairing the basement of the dacha at home with screw piles, it is necessary to close and insulate it. For this there are many ways and various building materials.