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Low Strain Pile Integrity Tester QualiLSPIT-2S

Low Strain Pile Integrity Tester
Parent Product
Concrete NDT Testing Equipment
Standards
ASTM D5882
EN 1997-1
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Low Strain Pile Integrity Tester – Ensuring Foundation Integrity with Non-Destructive Testing

What is a Low Strain Pile Integrity Tester?

A Low Strain Pile Integrity Tester is a specialized non-destructive testing (NDT) instrument used to evaluate the structural integrity and consistency of deep foundations such as cast-in-place concrete piles, drilled shafts, and driven piles. This testing method, also known as the Pile Integrity Test (PIT) or Sonic Echo Test, is based on measuring the response of a pile to a low-strain impact applied at the top of the pile.

The test is performed using a handheld hammer or an automatic impact device to generate stress waves, while an accelerometer or geophone sensor records the wave reflections. The data is then analyzed to detect potential defects such as cracks, voids, necking, soil inclusions, or changes in cross-sectional area within the pile.

Low Strain Pile Integrity Testing is widely recognized for its efficiency, cost-effectiveness, and ability to quickly assess foundation conditions without causing damage to the pile. It is particularly useful in quality control for newly installed foundations and in assessing existing structures.

Applications of Low Strain Pile Integrity Testing

  • Quality Control for New Foundations
    • Ensures that newly installed bored piles, augered piles, and drilled shafts are free from significant defects.
    • Helps verify the structural soundness of piles before further construction progresses.
    • Assists engineers in identifying unexpected anomalies early, reducing long-term risks.
  • Assessment of Existing Piles and Foundations
    • Used for evaluating the condition of aging foundations to determine their suitability for continued use.
    • Detects hidden cracks, honeycombing, and voids that may compromise structural stability.
    • Provides valuable insights for retrofit and rehabilitation projects.
  • Integrity Testing for Driven Piles and Precast Concrete Piles
    • Ensures evenness and consistency in precast and driven pile installations.
    • Detects potential damage due to handling, transportation, or driving stresses.
    • Helps verify pile lengths where documentation is missing.
  • Bridge and Infrastructure Testing
    • Assesses pile integrity for bridges, piers, and marine structures where direct access to the foundation is limited.
    • Plays a critical role in ensuring the long-term durability of infrastructure projects.
  • Compliance with Industry Standards
    • Low Strain Pile Integrity Testing is conducted according to international standards, such as:
      • ASTM D5882 – Standard Test Method for Low Strain Integrity Testing of Piles
      • Eurocode 7 (EN 1997-1) – Geotechnical Design
      • Chinese JGJ 106-2014 – Technical Code for Testing of Building Foundation Piles
Low Strain Pile Integrity Tester QualiLSPIT-2S
Low Strain Pile Integrity Tester QualiLSPIT-2SLow Strain Pile Integrity Tester QualiLSPIT-2S
Low Strain Pile Integrity Tester QualiLSPIT-2SLow Strain Pile Integrity Tester QualiLSPIT-2S

Product Configuration

NOItemQuantityRemark
1Main Unit1 
2Acceleration Sensor1 
3Specialized Hammer1 
4Charger1 
5USB Flash Disk116G
6OTG (Type_c) Patch Cord1 
7Device Braces1 
8Professional Device Box1High-Strength Engineering Materials

Advantages of Using a Low Strain Pile Integrity Tester

✔ Non-Destructive and Fast: Does not damage the pile and provides results in real time.
✔ Cost-Effective: Reduces the need for expensive excavation or intrusive testing.
✔ Portable and Easy to Use: Can be used on-site with minimal preparation.
✔ Versatile: Suitable for various pile types, including concrete, steel, and timber piles.
✔ Accurate Defect Detection: Helps engineers identify potential pile defects before they lead to costly failures.

A Low Strain Pile Integrity Tester is an essential tool for foundation quality assessment, offering a reliable and efficient way to verify pile integrity in both new and existing structures. By using this non-destructive method, engineers and contractors can ensure safer, more durable, and structurally sound foundations while complying with industry standards.

For more information on advanced Low Strain Pile Integrity Testing solutions, contact Qualitest.

Low Strain Pile Integrity Tester QualiLSPIT™ 2S Technical Specifications

Specifications
Main Control UnitAn Octa-Core A53 64-Bit Processor
Display Screen10.1 Inch Full-Fit High-Brightness Capacitive Screen 1200×1920
Storage64G
Power Supply16000mah Super Capacity, High Performance, Recharged Lithium Battery ≥8 Hours
Accuracy of Electric Quantity Display1%
Operation MethodsTouch Screen
Data TransmissionType-C, Bluetooth, WiFi/4G
Sampling Interval1µs ~1000µs
Record Length1024, 2048, 4096
A/D Shift24 Bit
System Noise< 30µv
Dynamic Range≥100dB
Signal Bandwidth2Hz ~20KHz
Number of Channels2
SensorSpeedometer, Front IC
Piezoelectric Accelerometer
Working Temperature-20℃ ~+55℃
Volume275×190×40
Weight1.25kg

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