Bored Cast-Insitu Piles

Bored cast in-situ piles are deep foundation elements constructed by drilling a cylindrical hole into the ground to the required depth and diameter, then filling it with reinforced concrete. This method is one of the most versatile and widely used foundation techniques for supporting heavy structural loads in various soil conditions.

CONSTRUCTION PROCESS

The construction of bored piles involves several key stages:

• Site Investigation: Comprehensive soil testing and analysis to determine optimal pile design
• Drilling: Using hydraulic rotary rigs to drill to the required depth and diameter
• Stabilization: Temporary casing or bentonite slurry to support the borehole walls
• Reinforcement: Installation of steel reinforcement cages to required specifications
• Concreting: Continuous concrete pouring using tremie method to ensure quality
• Quality Control: Integrity testing using sonic or thermal methods

ADVANTAGES

Bored piles offer numerous benefits:

• Minimal noise and vibration - ideal for urban areas
• Suitable for a wide range of soil conditions
• Can be constructed to large diameters and depths
• High load-bearing capacity
• Minimal ground displacement and disturbance to adjacent structures
• Can be installed in restricted headroom conditions

APPLICATIONS

VFT specializes in bored pile foundations for high-rise buildings, bridges, industrial facilities, residential developments, and infrastructure projects. Our fleet of advanced drilling rigs can handle pile diameters from 600mm to 2500mm and depths exceeding 80 meters. With experienced engineers and rigorous quality control, we ensure each pile meets stringent international standards for safety and performance.