How are bored piles installed?

Installing a bored pile starts with drilling a vertical hole into the soil, using a bored piling machine. The machine can be outfitted with specially designed drilling tools, buckets, and grabs to remove the soil and rock. Piles can be drilled to a depth of up to 60 meters and a diameter of up to 2.4 meters.

What is bored cast in situ pile?

Bored piles are steel reinforced concrete elements cast in situ used to transfer high loads through soil to deeper, more competent soil or rock stratum. Constructed with conventional rotary kelly bar plant, the drilling tooling is selected to suit the nature of the soils to be excavated.

Which type of pile is in situ pile?

Deep foundations Driven cast in-situ (DCIS) piles are constructed by driving a closed-ended hollow steel or concrete casing into the ground and then filling it with concrete.

What are the different types of cast in situ piles?

The names of the various types of commonly used cast-in situ piles are:

• Simplex pile.
• Franki pile.
• Vibro pile.
• Vibro-expanded pile.
• Raymond pile.
• Mac Arthur pile.

What do you mean by bored cast?

Bored cast in situ pile is constructed by digging a hole in the ground by suitable means such as percussive or rotary method with the use of temporary or permanent casing or drilling mud. After that, the construction is finalized by filling the hole with reinforced concrete.

Is code for bored cast in-situ pile?

The bored cast-in-situ piles having bulb(s) known as under-reamed piles are covered in IS : 2911 ( Part III )-1980*. 2.

How do you cast a pile?

Cast in-situ piles can be divided into two main categories: cased, or uncased. Cased concrete piles are made by driving a steel casing into the soil. In this case, the mandrel is placed inside the casing. After reaching desired depth, the mandrel is withdrawn, and the casing is filled with concrete.

Is code for bored cast in-situ piles?

What does cast in-situ mean?

Precast & cast-in-situ concrete are the product produced by casting concrete in a mould or formwork cured to get the strength of RCC elements. The cast-in-situ concrete is a standard concrete which is poured into the specific formwork on the site and cured to get the strength of RCC elements.

Is code for bored cast in situ piles?

How to build a bored cast in-situ pile?

Bored cast in-situ piles is built by digging a hole within the ground by suitable means like percussive or rotary method with the utilization of temporary or permanent casing or drilling fluid. then, the development is finalized by filling the opening with reinforced concrete .

What is the minimum clearance between cast in site piles?

Sufficient clearance shall be maintained between cast in-situ piles during the construction process. The distance should be more than 3 diameters of the pile. Figure no:7 showing a group of piles and the minimum distance between two piles. In the event of a lesser clearance, one pile shall be bored and cast first.

How deep can a bored pile be?

Bored piles diameter ranges from 600 mm to 3000 mm, and the bored pile depth can reach up to 70 m. This provides the designer with great freedom in customizing foundation design according to site condition and optimizing the cost to produce the economical design.

What is the Code of practice for bored cast concrete?

List of Reference & Code of practice – IS 456: 2000 code of practice for Plain and Reinforced Concrete. IS 2911-1979 (Part-1, Section -2) Design and construction of Bored Cast In-Situ Piles. IRC:78-2000 Standard Specification for road and bridge works- Foundations