Buried piles: Device and subtleties of construction work

Any building of modern type needs a reliable basis or foundation, which ensures the safety, stability and reliability of the entire structure. Most often, the developers are used by the tape type of foundation – it is easy to install, does not require large physical or financial costs, but it is not possible to apply it in all parts of the soil. Solid soil rocks are sometimes at great depths, which increases the volume of earthworks several times and increases all types of costs. Here it is advisable to use the foundation on boronobyl piles, the device and the subtleties of construction work on the installation of which we will consider in this article


The pile type of installation of the foundation is known even beginners in the construction sector. It is pretty popularized, and it can be found in the construction of absolutely any buildings – whether it is whole shopping centers or private homes. This is explained, of course, the reliability of the installation (since the piles evenly distribute the load from the building on the solid soil rocks) and lower financial costs, since the monolithic foundation base, and especially the basis of good quality, worthwhide.

Installation of any type of foundation involves the presence and positive and negative points, this is due to the conditions of the external environment, the characteristics of the soil, the individual features of the foundation. Very often in order to avoid one “illness” in the construction, you have to sacrifice something. So, consider the main advantages and disadvantages of burbot piles.

Let’s start with positive:

  • As already mentioned, the work on the installation of any pile designs is much cheaper than the monolithic or belt analogues, while they have the same high bearing capacity due to the uniform load distribution;
  • The design of boronobiling piles makes it possible to establish the foundation of the building in almost any parts of the soil, refer to the sample rocks and rocks with a high level of groundwater;
  • The term of working capacity or service life of burbot piles with competent layout and installation can reach 50 years or more;
  • In contrast to the installation of a ribbon foundation with slaughterhouses that need a more or less soft surface ground for a reliable driving, burbilling piles are placed in the ground after drilling holes, and cannot be damaged as a result of a mechanical or automatic driving;
  • Installing boronobiling piles, in fact, does not have any pressure on the ground rocks, as in the case of clogged piles, so they can be used in the territories even with a high ground loading, when there are already many buildings next to the future building, which is typical of large cities;
  • The placement of foundations of many species involves the presence of special equipment, which, as a rule, is quite overall and can harm the landscape integrity of your territory, in contrast to the burbill piles, the installation of which can be carried out with their own hands and rarely requires any technique;
  • Some types of reinforced concrete is very unstable to such processes as corrosion, it destroys their internal structure, which leads to a decrease in the reliability and sustainability of the entire structure, while at the same time high-quality burbilling piles are deprived of this shortage and can work better without viewing a large amount of time;
  • As for large cities with a developed sewer system or a large number of underground engineering structures – Burbinal piles do not carry potential danger to these communications, as they can be placed in an absolutely any place and if desired, moved;
  • Minor, but important plus – in contrast to other types of foundation on burbilling piles is established quickly and practically silently.

Despite such a number of positive moments, there are disadvantages and this kind of pile designs.

  • In the first stages of installing this type of piles, the technician faces the problem of large concrete costs on a separate pile. In addition, depending on the type of soil and its characteristics, it is difficult to calculate the exact amount of the necessary concrete on this territory – this is due to the fact that the soil around the installed pile is usually not tumped.
  • The second significant disadvantage is the large amount of manual earthworks. Handbooks are cheaper and less resource-friendly only in cases where you yourself are an experienced developer and understand all the subtleties of the competent organization of work. In another case, without the help of paid workers, self-installation of bubbly piles can lead to deplorable results, which is more expensive.

  • The following drawback is common to each type of foundation and pile designs – exceptional accuracy in calculations. Remember that factors such as ground freezing level, soil bunch, groundwater level, the influence of external climatic factors may not disturb you at the stage of installing piles, but will surely remind themselves in the future, since these factors will mostly change.
  • An important disadvantage is the complexity or, rather, the impossibility of placing a basement or basement under the building. With a competent layout, you can place a small cellar for vegetables and products under the foundation of the building, but even in this case it is worth being careful – the uneven distribution of piles under the building leads to an increase in the loads on their separate sections. And this is already breakdown, cracks and chips.

After studying all the pros and cons described above, it is worth formulating a clear definition of burbill piles. Buried type piles (some call this type of “brown”) – these are such piles, for the installation of which in the soil are pre-digging or the holes of the desired depth and diameter. Then the reinforcing frame is placed there, which is subsequently poured with cement (some developers first pour pile cement, and then reinforced under certain pressure). After passing these stages of work and solidification of concrete piles, it is connected to a reinforced concrete base, and as a result, the same belt foundation is obtained, but already on boronobiling piles.

Regulatory requirements

At the moment, a separate standard of GOST is missing for the installation of boronobivinal piles, however, there is a separate list of rules and rules that the technician must adhere to the installation of any kind of the foundation of the pile type. It is SNiP 02.03, 02.01 and 03.01. Each of these rules was introduced into production at the end of the XX century, but their general provisions due to minor changes in the process of installing piles did not change and at the moment.

If you adhere to the requirements of SNiPs, it is necessary to make calculations of geological, hydrometeorological and geodetic nature to the process of installing bubbly piles. Already after carrying out accurate calculations, you should choose: the appropriate type of burbilling piles is for your territory, the size of the piles themselves or supports. Some of the geological and hydrometeorological data can be calculated independently, with the help of an expert technology or contact the actual information in the nearest hydrometectors.

CP standards suggest the effect of climatic factors and the installation process itself. Here, the equipment is recommended:

  • carry out the placement of burbilic piles in wet soils under thermal conditions of the external environment not lower than -10 Hz;
  • to carry out the entire spectrum of measures to prevent the freezing of concrete composition to the fill in the well;
  • Provide proper operation of technology under certain conditions of the external environment.

For more, these requirements concern, of course, environmental conditions at low temperature values, as most problems arise due to soil bunch processes (to minimize these processes, you should use data for the freezing of soil in your territory). At high temperatures, as a rule, problems with the performance of equipment and the fill of the solution is not observed.

In addition to the recommendations described, a certain set of activities should be held for the preparation of the territory for the installation of burbill piles.

This complex involves:

  • installation of barriers and warning tablets at the borders of the work;
  • the liberation of the territory from all limiting movement or the construction of elements – they will slow down as the process of building, and to have an excessive effect and load on the soil (if obbarite objects);
  • removal of herbal cover and all kinds of shrubs from the construction site – separate plant elements may interfere with the work;
  • Providing platform with drainage structures – this is useful for the future operation of the already built house, it will be useful in the process of the development itself due to not always favorable weather conditions or too high groundwater level;
  • To organize the territory of construction in such a way that the whole necessary for drilling and fill the technique could freely enter the object and move on it.


Manufacture of high-quality foundation on burbilling piles is characterized by some characteristic features. This applies, as a rule, the characteristics of the elements of fastening, fixation and sealing both wells and pile structures. Consider the characteristics of the elements of the foundation of a boronobyl type. The first important element are formwork, their device and characteristics. They were already mentioned slightly higher in the material as a fixing element of the reinforcement parts.

Perhaps many of you are accustomed to understanding the formwork as a wooden or iron element for giving the forms of concrete or reinforced concrete structures.

In part, this technology concerns and building piles, but in this case, as a formwork can be:

  • Cylindrical rolled regularoid (appropriate if the hole diameter does not exceed 50-60 centimeters) – this element will provide additional waterproofing of the reinforcement parts during the fill;
  • Asbesto-cement pipe – it is stronger than other analogues, strengthens the entire design and protects from unintentional mechanical damage;
  • PVC pipes, PP or pipes from other polymers (this type is applicable to small, oversized and lightweight buildings, an example of this is a small house, a bathhouse, a building not more than 2-3 floors).

Formwork can be both removable and non-removable even after the fill of concrete. Techniques are most often used first type, the second type provides additional fixation and waterproofing of reinforced concrete foundation, but the first is more economical. Note that when using certain types of polymer formwork, it is worth considering the vulnerability of certain types to the straight sunlight. At the mention of the formwork, it is worth saying about the method of fastening the walls of the hole by applying the casing – it performs to some extent a similar function, but it is most often not taken out of the pipe, although leaning developers and developers with limited finance can act otherwise.

The second equally significant element is the reinforced frame and its properties / characteristics.

Many inexperienced builders do not pay attention to such an important parameter as the quality and correct installation of reinforced elements in a burbilling foundation. A frequently allowed error in determining the role of reinforcement parts for piles is simply their presence or absence. In other words – if they are, then already good. This is the root incorrect approach, and it can be applicable for small private buildings, but if you ignore this factor when building large buildings, you risk reliable all the construction.

Based on the standards, the reinforcement frame is a construction of 4 and more vertical rods with a diameter of at least 10 mm. The design of the reinforcement frame, in fact, is a cylinder – fastening with rods with special horizontal clamps (metallic, usually). It is worth noting that when immersing the reinforcement frame in the prepared well, the tops of the rods should be produced on 20-40 centimeters from the highest design point of the well (or from the point of the casing, formwork) – this is necessary for the subsequent fastening of reinforced concrete foundation.

Note that the placement of the reinforced frame in the boot concrete tab (using rubble or butt stone, which ride into concrete by providing vibratory pressure) may be problematic. In this case, the reinforced elements are placed not throughout the height of the structure, but only at the top of the pile. This method is applied in two cases: when the developer wants to strengthen the piles in a natural way; If you wish to save on a concrete mix.

It is advisable to this method or not – many experts consider differently.

Another important point in the installation of a burbilling foundation is the correct placement of the frame and the correspondence of its functions with the required characteristics. Whether the competent installation of the screaming is important, or it is enough just to place it on the piles – the question is rather rhetorical. Scarlet performs the main function in the work of the foundation – distributes the pressure and load from the building on piles or soil. The difference between the scattering of a boronabivinal foundation from the framework of an ordinary belt type in the fact that it is not based on grounded rocks in the prepared trenches, but on the ends of the reinforced rods growing over piles.

Remember, in winter, the risk of deformation of the soil due to bunching processes – For the foundation of the pile type, this is a common problem, so in order to avoid damage to the foundation itself, it is worth leaving the gap of 15-20 centimeters between its base and land. If you have already installed Ruralka and height from the Earth below, we advise you to arrange a 5-centimeter layer of foam, it will prevent intimidation and usually restores its forms in a warmer period.

Scarlet is installed after filling the formwork with concrete solution and after its complete drying. In the future, the framework of the framework of the foundation is recommended Woodworking two layers of rubberoid.


It is worthwhile to give step-by-step instructions, when used, and after carrying out the precautions and measures, the technician will be able to build high-quality boronabiva foundation with their own hands.

So, the builder should adhere to the following actions:

  • The implementation of measuring and marking works – for their competent, the techniques are prepared or special drawings are prepared, taking into account both the territorial and technical features of the construction;
  • Determination of the type of piles – hanging piles (which do not reach dense soil) and piles-racks (pile designs based on solid rocks), the first type is more applicable to the controversial portions of the soil – with a high level of groundwater, with possible shifts of soil and with large bunchiness soil in winter;
  • Installing a drill unit at a drilling point;

  • Conducting the well drilling of the required technique of depth and diameter values ​​(two of these parameters are selected in advance before the start of the construction depending on the size of the building and the type of soil rocks);
  • Entering the clay solution is necessary to prevent the cutting of the walls of the hole, and then the clay surface does not let moisture from groundwater and becomes a kind of natural internal strengthening of the hole;
  • Slurry elements (or the same drilling products – all sorts of breeds, impurities, applied during drilling) must be removed to the surface with drilling fluids or mechanically (it all depends on the type of drilling);

  • If the object is large and overall, and future pile elements require an exceptional reinforcement, the developer uses specialized techniques for immersing the reinforcement elements to the entire depth of the course of the well (depending on the depth, this process can pass under pressure);
  • After the room in the hole, the reinforcement elements are fixed by the stops, such perspirations may be formworks, whose species we will consider below;
  • After the procedures described above, the hole is filled with concrete (depending on the depth of the pile design, the concrete can be delivered by special equipment or manually, but concreting in any case should not last longer than 3 hours – this is the standard SNiP);
  • Further actions involve drilling and filling wells already at another point according to the described scheme, the next measuring actions and fastening all piles by reinforced concrete belt foundation.


The installation process of any foundation is based on clear and dry numbers. No matter how much you want to think, but the slightest error in installing the foundation – and you can provide yourself and your structure with constant repairs with earthworks and a lot of financial costs. It is easy to avoid this – just worth considering as much as possible a wide range of factors that can affect the reliability of your foundation. This, of course, concerns the foundation on boronobiling piles.

Let us give a complete list of parameters that, one way or another, have an impact on the safety of the installation of a burbilling foundation:

  • The area and the length of the foundation / woodwork, as well as its height, the area of ​​the side surface and the sole – so you can calculate the average pressure from the building to a separate part of the foundation and pile (do not forget to take into account the parameters of the internal partitions);
  • The average costs of concrete or butt elements – this will calculate the capabilities of the stiffness and strength of a separate pile – here it is worth considering the presence or absence of siege pipes, formwork, waterproofing elements (do not forget that the initial planned concrete costs are almost 100% lower than the volume expended in result);

  • load and pressure on separate pile, and load on the breed from the weight of the building and the foundation;
  • Requirements and recommendations for the reinforced frame must be observed – this is a diameter of 1 cm, the amount, length and weight of the reinforcement rods, the diameter and step of the clamp clamps on the SNIP for your structure;
  • Formwork characteristics (depending on the material you use for formwork, these values ​​of GOST vary greatly);
  • In addition to all this, consider external climatic conditions that have already been mentioned above.

It often happens that some of the types of calculations may not be applied to the Estimated Private Developers, This can be justified by such factors as the installation of additional structures and elements on the territory (to which accurate estimated operations cannot be applied to construction), the use of an individual type of foundation (foreign, low-foot or not so widely known types of foundation) and some others. This is a common situation today, as the number of individual projects is increasing, becoming more and more bold design decisions in building buildings. In this case, the developer must take advantage of the rules, rules and tables with data in SNiP 2.02.03-85, SNIP 3.03.01-87, SNIP 52-01-2003 and GOST R 52086-2003. The study of these documents will allow you to determine the optimal amount of pile elements, calculate the depth of laying piles, the load on the soil and the foundation on your territory, and will surely be useful for beginner builders.

The process of calculating the burbilling foundation is simple. First you need to calculate the weight of all the designs of the foundation, take into account the approximate weight of furniture, people, wall blockages, stairs, add-ons, snow or rain. The next step is to determine the carrying capacity of a separate pile, it will depend on such parameters as the diameter and the length of the pile, the characteristics of the reinforcement frame, loads of the soil rocks and their properties. You can calculate the support of piles based on the data obtained by stamp tests

After the settlement measures, the builder conducts correction work, which include the optimization of the amount of piles (if the amount is odd, it is usually rounded to an even number) and checking the entire design for damage and cracks. The amount of piles, as well as the distance between them, is determined by the weight of the construction and the diameter of the piles themselves. When placing piles, consider that their installation at the corners and places of pairing walls at the building is obligatory. Otherwise, the load and pressure on certain parts of the foundation may be close to critical value.


After reviewing the recommendations of specialists, it can be understood that you should not neglect the rules for the installation of boronobiling piles. Any foundation – the base of the building, its “core”. Thorough inaccuracy in miscalculations – and consider that instead of the last 100 years, your home will have only 30-40. Consider this fact, if you wish to save on the quality of concrete or on the number of reinforced rods, do not forget to use the standards of SNIPs and guests, they are not created to limit your activity and not to make action on the facility, but only for your safety and security of other people.

And the advice and recommendations of professionals will help you in building a durable and reliable building.

How to make burbill piles with your hands, look in the following video.

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