High Strain Dynamic Load Tester PDA ASTM D4945

The high-strain dynamic load tests, also known as the PDA test, is specially used to determine the load capability of the foundation piles in structure, it's also used to detect the foundation pile integrity.
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Product Details

Applications

u  Detect the high strain bearing capacity and integrity of foundation piles

u  Monitor the stress of the precast piles during the driving

u  Low strain reflected wave method of foundation piles

 

Standards

u  JGJ 106-2014 Technical code for testing of building foundation piles

u  JTG/TF81-01-2004 Technical Specification of Dynamic Pile Tests for Highway Engineering

u  TB 10218-2008 Technical Specification for testing railway piles

u  DBJ-15-60-2008 Code for Testing of Building Foundation (Guangdong)

u  ASTM D4945-2017 Standard Test Method for High-Strain Dynamic Testing of Deep Foundations


Specifications

Model

YL-PDT

Main control unit

Low power embedded   industrial computer

Display screen

8.4" true-color LCD   display screen (high-brightness) 800x600

Storage

8G

Power supply

Built-in high-performance   rechargeable lithium battery, 6 hours

Power display accuracy

10%

Operation method

Touch screen

Sampling interval

5μs ~ 65535μs

Record length

1024 dots

Sample resolution

24-bit AD

Signal bandwidth

1Hz ~ 12KHz

Floating-point amplifier

 ×1~×256 (automatically   adjusted according to signal strength, 8-bit floating point)

System noise

<20μv (accelerometer),<2μv(strain transducer)

Dynamic Range

100dB

Data transmission mode

USB

Number of channels

5 channels (2 channels   acceleration + 2 channels strain, 1 channel with low strain)

Sensor

Speedometer, front IC   piezoelectric accelerometer, strain transducer

Working temperature

-20~+55

Dimension

266mm × 180mm × 50mm

Weight

1.9 kg


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