ASTMD4945 Deep Foundation Load Bearing Tester Dynamic Deep Foundation Load Evaluation Instrument Load Testing Equipment Soil Bearing Capacity Analysis System
The Deep Foundation Load Bearing Tester, also known as a Dynamic Deep Foundation Load Evaluation Instrument or Load Testing Equipment, is a powerful tool used for assessing the load-bearing capacity of deep foundations, such as piles. This advanced system provides dynamic load testing capabilities, allowing for comprehensive analysis of soil bearing capacity and the evaluation of foundation performance. With its precise measurements and data analysis capabilities, the Deep Foundation Load Bearing Tester is an indispensable instrument in geotechnical engineering and construction projects.
Standard Test Method for High Strain Dynamic Testing of Deep Foundations ASTMD4945-12
High integration, small occupation, and light weight.
It is equipped with 10.4-inch TFT true colour LCD screen, providing with clear and intuitive waveforms.
Strain automatically adjustable balance, and signal drift is eliminated.
It is equipped with advanced piezoelectric accelerometer, providing with higher S/N ratio.
It is equipped with convenient touch-screen and concise software interface, making on-site operations much easier.
The analysis result of CASE method, the F-ZV curve, and Wave Up/Down curve can all be shown in the field.
It is equipped with powerful fitting analysis software under Windows system.
It is equipped with advanced adapters for connecting the sensors, thus high working efficiency in the field is ensured.
The tester also can be used to perform high strain pile bearing monitoring (HSPBM-Monitoring) to evaluate pile driving information for pile bearing capacity, pile integrity, driving stresses and transferred energy against pile penetration. The results are essential for the actual pile driving process and to obtain valuable data on the hammer, pile & soil system for re-design on the piled foundation (if necessary).
| Display: 10.4-inch TFT true colour LCD with 640 × 480 resolution |
| Memory mode: Hard disc |
| Memory: 3000 piles data |
| Record length: 1k |
| A/D solution: 16 bit |
| Floating zoom: 8 bit |
| System noise: <30μV |
| Dynamic range: ≥ 80dB |
| Transfer mode: USB |
| Frequency bandwidth:10Hz ~ 12000Hz |
| Standby time: Built-in lithium battery> 6 hours |
| Operation mode: Touch screen |
| Channels: 2 channels for acceleration, 2 channels for strain |
| Working temperature: -5 ºC ~ +40 ºC |
| CBM: 25 × 20 × 7 (cm) |
| Weight: 2.5kg (with battery) |
The strain sensor and acceleration sensor shall be symmetrically installed in the surfaces of pile sides which are not less than 2D or 2B away from the pile top respectively; for the piles with large diameters, the distance between sensor and pile top may be reduced appropriately, but should not be less than D; the material and cross-sectional dimension of mounting surface of sensor shall be the same as that of original pile body, and the sensor shall not be installed near the position with abrupt change of cross-section;
1. High-precision Load Measurement
2. Dynamic Load Testing
3. Real-time Data Monitoring
4. Load Capacity Assessment
5. Versatile Testing Capabilities
6. Advanced Data Analysis: CASE and Capwap
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