500mm CFA and CFA starter are ready for shipping

Drillcan 500mm drilling diameter CFA are ready for shipping.

Key Aspects of CFA Drilling
Methodology: The hollow-stem auger is drilled to the required depth, often using high torque, with the soil acting as support for the borehole wall
Concreting: Concrete is pumped under pressure through the hollow stem while the auger is extracted, ensuring the hole is constantly filled.
Reinforcement: A pre-fabricated rebar cage is inserted into the fluid concrete column after the auger is removed.
Monitoring: Modern CFA rigs use onboard computer systems (e.g., Bauer B-Tronic) to monitor concrete pressure, flow, and auger depth for quality assurance.

Advantages and Disadvantages
Advantages: High speed, no vibration, low noise, and suitable for soft or wet ground.
Disadvantages: Limited in deep, dense rock or with large obstructions, and generates substantial spoil for disposal.