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Micro Piling

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Micro Piling

Micro piles are small diameter, high-capacity drilled and grouted piles reinforced with steel bars or tubes.

Typical Applications

Underpinning
Restricted access sites
Bridge strengthening
Seismic upgrades

Advantages

Very low vibration
High load capacity relative to size
Suitable in difficult ground
Flexible installation angles possible

Limitations

Slower installation
Higher cost per metre
Requires specialist contractors

Typical Execution Sequence

Drill small diameter hole
Install steel reinforcement bar or tube
Inject grout under pressure
Allow grout curing
Connect pile to structure

Quality Control

Grout pressure monitoring
Steel installation inspection
Drilling records
Load testing

Subject To

Detailed geotechnical design
Specialist installation procedures
Restricted access planning