Bored pile is an application for foundation reinforcement by drilling a circular cross sectional opening into the ground and replacing steel reinforcement and casting concrete into the piled section. It's an effective method to reinforce foundation where the ground is not suitable for building construction geotechnically.
Depending on various factors including the conditions of the ground, ground water level, size of the pile, the piles can be constructed in different sizes by utilizing different machineries. It is an application into the ground which is applied depending on the ground water level and the capacity of the available machinery by applying protection pipe and utilization of bentonite slurry.
On the conditions where the bentonite slurry is applied, desanding the slurry, after the bored opening is ready for application, the prefabricated steel reinforcement case is placed into the pile with the required topographical elevations per the terms of the main contract blueprints .
Replacing the steel reinforcement, concrete is casted utilizing the case from the bottom section of the pile to the surface.
During the construction process, the quality is assured by utilizing testing tools designed for verticality and depth control specifically, applying quality testing for the bentonite slurry in accordance with the technical scope of work, positioning of the prefabricated steel reinforcement case, measuring the volume of the casted concrete, and applying integrity testing and load tests (statical, dynamic or Oesterberg cell) after the application.
There are many advantages in utilizing bored over conventional footings or other types of piles . Below are some of them which might provide you an insight about why your foundation needs the piles.