London's leading piling contractors since 2017

Understanding Rotary Bored Piling: A Guide to Stable Foundations

Constructing durable foundations is crucial for infrastructure projects. The Rotary Bored Piling method, often referred to as RBA, stands out as an effective and budget-friendly approach. Adopting this innovative method accelerates the construction of essential projects, ensuring a robust ground support.

Why Choose Rotary Bored Piling?

RBA is ideal for projects needing a robust load-bearing capacity, especially when there’s a constraint on piling depth. The use of a specialized rotary piling rig can craft a sizable diameter pile, generally around 25cm, creating a trustworthy foundation. Especially in terrains like chalk or clay, this method proves invaluable, allowing for the formation of an open bore pile without the necessity of concreting using an auger.

Detailed RBA Process

Equipped with a telescopic bar and a 1-1.5m auger, the piling rigs tailored for RBA are top-notch. The auger is drilled into the ground to the specified depth and is simultaneously retracted, extracting the soil. This technique crafts a bore pile, eliminating the need for added concreting, marking its efficiency.

Where Can Rotary Bored Piling Be Used?

RBA finds its application in an array of construction ventures such as:

  • Anchorages for bridges
  • Sturdy retaining walls
  • Deep basements
  • Underground tunnels
  • Road infrastructure
  • Complex industrial constructions

With its unmatched ability to forge solid foundations, it’s no surprise that many construction experts prefer Rotary Bored Piling.

Engage with KHB Piling LTD for Superior Piling Solutions

Searching for top-notch Rotary Bored Piling services? KHB Piling LTD is at your service. Our seasoned team is well-versed in diverse piling methodologies, including the sought-after Rotary Bored Piling. Equipped with expertise and advanced tools, we assure bespoke solutions aligning with your distinct requirements.

Don’t hesitate to connect with us via phone or email. Discuss your project’s needs and leverage our unparalleled piling expertise.

Rotary Bored Piling, KHB Piling


FAQYour Rotary Bored Piling Questions Answered

Rotary Bored Piling is a method involving drilling

Rotary Bored Piling involves the use of a temporary casing and an auger to drill a hole. Once the desired depth is reached, the hole is filled with concrete and reinforced with steel to form a pile. This method is particularly suited for larger diameters and deeper piles, which might not be achievable with other methods.

Rotary Bored Piling is known for its adaptability

Unlike CFA Piling, which uses a continuous auger, Rotary Bored Piling uses an intermittent auger and allows for greater flexibility in pile diameters and depths. It’s particularly useful in conditions where there’s a need to bypass obstructions or where ground conditions vary.

Rotary Bored Piling offers numerous benefits

It can achieve larger diameter and deeper piles, is adaptable to various ground conditions, and can handle high load capacities. It’s also suitable for sites with obstructions or where precise pile positioning is critical.

Every method has its limitations

Rotary Bored Piling can be more time-consuming than some other methods, and the equipment used can be larger and heavier. It also might not be the most cost-effective solution for smaller projects or shallow depths.

Quality control is vital in Rotary Bored Piling

Regular inspection of the borehole, monitoring of the concrete pour, and post-installation integrity tests help ensure the quality and reliability of the piles.

Rotary Bored Piling can be environmentally sensitive

The method involves minimal vibration, which reduces disturbance to adjacent structures. Proper handling of the excavated soil and any potential groundwater is essential to minimize environmental impact.

Several factors determine its suitability

A thorough site investigation, understanding ground conditions, and discussing project requirements with a piling specialist will help ascertain if Rotary Bored Piling is the right choice.

Certainly, it's versatile

While often used for large-scale commercial or infrastructure projects, Rotary Bored Piling is also suitable for residential projects, especially where larger diameter or deeper piles are required.