Pile foundations: advantages, disadvantages, construction technology

Pile foundations are a modern solution for the construction of frame houses. This type of foundation is used:

- For the construction of country houses on difficult terrain.
- In situ groundwater close to the surface.
- In frame construction in winter conditions.
- In difficult terrain.

Pile foundation - a design which takes the load from the frame house on piles made of various materials. These supports are deepened into the ground or to the base part. Tip communicates often raft.

Types of foundations on piles.

Piles are different from the way they are loaded into the ground.

- Driven. Such piles are made of a different material, and then immersed into the ground using a vibrating devices or by manual or mechanical hammer. These piles are hammered without ground works and partial dredging.
- Printed piles. To install such piles drilled hole, which is gradually filled with reinforced concrete.
- Screw piles are installed with the help of special devices that screw them into the ground.

Piles differ in the type of load:

- Pile-rack. Here, the load is distributed on the entire pile.
- Hanging piles. On piles mounted faces a special design, which take the brunt of the load.

Installation technology of pile foundation

- At the first stage the construction site is marked in accordance with the project, then it does the exact layout of each pile installation. The distance between piles is calculated based on the type and piles of building loads.
- Next installing piles in exact accordance with the markings in compliance with the selected type of piling technology.
- Piles for a frame house can not be established without the involvement of special equipment or special equipment according to the type of pile foundation.
- If the foundation used concrete works, it is necessary to wait until the concrete hardens 2 to 3 weeks.

Advantages of the pile foundation:

- The ability to withstand loads on piles of unstable complex soils.
- Piles possible to build frame houses on the complex terrain, for example, on the slopes of hills, mountains.
- The possibility of laying the foundation in any weather.
- Reduction of construction time.
- No need for additional pre-preparatory earthworks.
- It is possible to make an addition to the already built structures.
- Durability: pile foundation will stand guarantee for at least 100 years.
- a solid foundation on any grounds.

Weaknesses pile foundation

- The need for the additional costs associated with the study of the soil.
- The need to use only high quality materials.
- The need for strict observance of technology, otherwise possible shrinkage and, as a result, distortion of the building.

In the next article we will explain in a slab foundation.