LE

ULTRASONIC TESTCRETE

ASTM D5882-00
             
 
ASTM compliance D5882-00 - Standard Test Method for Low Strain Integrity Testing of Piles
 
             
 

Item

Description

Requirements

Compliance
 
 
5.1.1
Energy source
Hammer with hard plastic tip
Provided
 
 
5.2.1
Accelerometer linearity
Up to 50g

Meets
 
 
5.2.1
Accelerometer time constant
≥0.5 sec
Meets
 
 
5.2.1
Resonance frequency
≥30 kHz
Meets
 
 
5.2.1
Calibration
5% accuracy
Meets
 
 
5.3
Signal transmission
Low-noise shielded cable
Provided
 
 
5.4.1
Apparatus
Permanent graphic display
Meets
 
 
5.4.1
Apparatus
Permanent data storage capability
Meets : Disk on Chip
 
 
5.4.1
Apparatus
Blow averaging capability
Provided by software
 
 
5.4.1
Apparatus
Variable amplification
Provided by software
 
 
5.4.1
Apparatus
Filtering capability
Provided by software
 
 
5.4.2
Recording apparatus
12Bit A/D resolution
Meets
 
 
5.4.2
Sample frequency
≥30khz
Meets(40kHz)
 
 
5.4.3
Clock jitter
≤0.01%
Meets
 
 
5.4.4
Signal duration scale
2 to 30 ms
Exceeds
 
             

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