What is a pier foundation? During the construction of wooden houses, with light walls and have no basement, just apply the pier foundation. At the same poles are placed at points where the walls meet, they are placed under all angles. The pillars are made of concrete, brick or natural stone. The distance that is between the posts must be no more than 3 meters. To design a stable, top posts of the beam is put strapping wood or metal. Pier foundation of it all columnar base price is 1.5-2 times lower than the price the tape. This is due to the use of inexpensive materials and special techniques of manufacture.
For wooden houses light construction, pier foundation is the most common. Let's look at how the projects done and pier foundation under the house. To begin digging a trench having a cross-section of 30 cm or more. After that, the corners of the house put poles (piles). Especially pay attention to the installation of poles in the joints of the outer and inner walls of the house. Pier foundation for light homes without basements It also lays the walls of brick when you need deep foundations and foundation-type tape is expensive.
For the construction of pier foundation is most frequently used blocks of prefabricated concrete or reinforced concrete. The choice of material depends on the number of floors and building mass. Pier foundation placed in locations where the most concentrated load. At the heart of the foundation pillars that are arranged by drilling wells to a depth of 2.0 m in increments of 1.5 – 2.5 m diameter of 250-400 mm. Parks vertical bar (3 – 4 pins) with the release of grillage and poured concrete. Next, a trench is arranged under the concrete sand cushion tape (grillage) deep 200 – 300 mm in width and covered with grillage coarse sand from plugging. Parks reinforcement cage grillage with a bandage to the armature poles. Width grillage 250 – 400 mm, height 400 mm.