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Depending on the geological conditions, the size of the pile when using small pile size is not much high than tradition pile.
In some cases, when the soil layer is too thick, the building is too narrow, the cost is lower than the use of pressed piles. The effectiveness of bored piles is also reflected in other feature such as:
Do not cause cracks in adjacent works when construction, it will not cause the cost of compensation, repair of neighboring works, speed up the construction progress.
When installing small diameter bored piles to ensure the absolute safety of the existing works around, it is also the biggest advantage for the solution of foundation insert today.
Small diameter bored piles make full use of the bearing capacity of concrete pile foundation due to the calculation of concentration. Load capacity on each pile head is about 50 tons to 185 tons. Three to four times the bearing capacity of pressed piles.
D300: Load capacity from 30 to 60 tons / pile.
D400 diameter: Load capacity from 50 to 80 tons / pile.
D500: Load capacity: 100 – 140 tons / pile.
Price is cheaper than other types of pile reinforced by reinforced concrete due to the load capacity on each end of the pile so the number of piles in the foundation decreased. In addition, the small pile section contributes to reducing the cost of the pile.
Safety in design and construction. The concrete pouring continuously from the bottom of the pit to avoid the patching between the piles. Thanks to the guiding tower, the difference of guaranteed piles lies within the allowed limits.
The construction is fast and strictly supervised.
Identify the strata that the pile penetrates, so that accurate identification of the pile to ensure the safety of the works. Determine the latitude of the pile on the good ground.
The pile head can be selected at an arbitrary height to suit the structure and architectural plan.
