Concrete piers, specifically drilled concrete piers, are poured after preparing the foundation site by drilling a hole, placing reinforcement, and then filling the hole with concrete.
Based on the method described for drilled concrete piers, the process involves several key steps to create a strong, stable foundation element. This type of pier is typically round and forms a robust support structure once the concrete cures.
The process for pouring drilled concrete piers follows a clear sequence:
- Site Preparation and Drilling: The first step involves preparing the ground. A drilling rig is used to meticulously drilling a hole into the ground. The depth and diameter of this hole are determined by the structural requirements of the building or load it will support. The precision of the drilling is crucial for the pier's final position and load-bearing capacity.
- Placing Reinforcing Steel: Once the hole is drilled to the required specifications, The hole is then filled with reinforcing steel. This steel cage, often referred to as rebar, significantly enhances the pier's strength and ability to resist bending and tension forces, providing crucial structural integrity.
- Pouring the Concrete: With the reinforcing steel correctly positioned within the drilled hole, concrete is poured in to reach the top. The concrete mix is carefully selected to meet specific strength requirements and is typically poured using methods that ensure it fills the entire void around the steel reinforcement, preventing air pockets or voids.
After the concrete is poured, it is left to set and cure. Once the concrete has hardened sufficiently, it provides a strong, stable base that is essential for supporting the load of the structure built upon it. This method is widely used in construction for creating deep foundation supports.