Non-Destructive Testing for Sound Foundations

At AE Construction Ltd, we provide Pile Integrity Testing (PIT) to assess the condition and continuity of installed piles. This quick, cost-effective, and non-destructive method ensures your foundation piles are defect-free and built to last—without the need for excavation or intrusive inspection.

What is Pile Integrity Testing?

Pile Integrity Testing is a low-strain dynamic test that evaluates the structural soundness, length, and continuity of concrete piles. It helps detect internal defects such as:

• Cracks

• Voids

• Honeycombing

• Necking

• Changes in pile cross-section

The test is also referred to as low-strain impact integrity testing and is performed using handheld equipment that delivers a light tap to the pile head and analyzes the resulting wave reflection.

When is PIT Required?

• Quality assurance during or after pile installation

• Testing old or buried foundations

• Verifying pile integrity before structural load is applied

• Third-party verification for consultants and clients

• Identifying construction errors such as cold joints or segregation

• Post-installation compliance with specifications and standards

We conduct PIT in accordance with ASTM D5882, ensuring international-standard accuracy and reliability.

Our PIT Process

1. Surface Preparation
   The pile head is cleaned, leveled, and sometimes slightly chipped to ensure a solid testing surface.

2. Sensor Placement
   An accelerometer is attached to the pile head, and a handheld hammer delivers light impact taps.

3. Waveform Measurement
   The software captures the reflected stress waves, which indicate changes in pile stiffness and geometry.

4. Analysis & Interpretation
   Our engineers analyze wave signatures to detect anomalies and estimate pile length.

5. Report Delivery
   A clear and detailed report is provided with waveform plots, interpretations, and engineering conclusions.

Benefits of Pile Integrity Testing

• ✅ Fast, portable testing—ideal for tight or remote sites

• ✅ Non-destructive and causes no damage to the pile

• ✅ Identifies hidden flaws early before problems arise

• ✅ Can test multiple piles per day

• ✅ Enhances quality control and project credibility

• ✅ Validates installation techniques and workmanship

What Can PIT Detect?

• Major cracks or voids

• Discontinuities or changes in cross-section

• Inadequate pile length

• Poor pile-to-soil contact

• Integrity of cast-in-situ or precast piles

This method is ideal for both bored cast-in-place piles and precast driven piles.

Why Choose AE Construction Ltd for PIT?

• ✔ Certified testing team and calibrated equipment

• ✔ Fast mobilization across Bangladesh

• ✔ Coordination with your construction or piling schedule

• ✔ Reports accepted by engineers, consultants, and authorities

• ✔ Experienced in testing 1000+ piles across diverse soil conditions

Whether for one pile or an entire project scope, we ensure testing is fast, accurate, and non-intrusive.

Applicable Projects

• High-rise buildings

• Bridges and flyovers

• Industrial plants

• Power stations

• Telecommunication and transmission foundations

• Marine and port structures