ASTM D4945 Standard Dynamic Pile Load Capacity Testing Equipment Deep Foundations Pile Bearing Capacity Testing System Piles Driving Testing System
Highly integrated, high reliability , and low noise
Totally English menu, which shall show the defect location, and the integrity judgment is clear
The USB flash disk transfers directly, and the data storage is fast and safe
Enlarge the adaptive floating point, and the waveform never becomes distortion
The analog quantity can be automatic and balanced, and the signal drift is eliminated
It can connect accelerometer and speed detector simultaneously
The continuous collection, superposition and balance adjustment function can be achieved automatically
Multi-time base function shall guarantee the accuracy of time domain and frequency domain analysis
The CASE method shall analyze the results, instant speed, force curve and bearing capacity as well as hitting power
Choose optionally RS and PDA high strain detection pattern, being compatible with all speed gauges and ICP accelerometer
Carry on high-strain real-time monitoring, which shall be more than 60 hammer/min to access the signal
Use both alternating current and direct current, and the direct current supply can be operated for more than 5 hours
High-strain dynamic testing requires a strain at impact which is representative of a force in the pile having the same order of magnitude, or greater, than the ultimate capacity of the pile.
| Control module |
It is with integrated design, independent work, and control module, which is the instrument industrial control unit |
Display mode |
640×480 LCD |
| Sample interval |
12~32767 μs is continuously adjustable |
Sampling resolution |
16 bits |
| Fixed amplification |
1х, 10х, 100х, 1000х |
Floating amplification |
1~64 times |
| Trigger mode |
Channel trigger, external triggering, and the steady trigger |
Sampling length |
1k~8kbyte |
| Storage mode |
16M solid state drive |
Operating mode |
Photoelectric knob |
| Internal battery |
High power lithium battery, which can work for 6 hours |
External power supply |
DC15V4A |
| Volume weight |
230×210×100mm, 2kg |
Operating temperature |
0~40ºC |
| Control module |
5V --- +5V |
Error range |
-2% --- +2% |
This dynamic test method covers the procedure for applying an axial impact force with a pile driving hammer or a large drop weight that will cause a relatively high strain at the top of an individual vertical or inclined deep foundation unit, and for measuring the subsequent force and velocity response of that deep foundation unit. High-strain dynamic testing applies to any deep foundation unit, also referred to herein as a "pile," which functions in a manner similar to a driven pile or a cast-in-place pile regardless of the method of installation, and which conforms with the requirements of this test method.
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