Product Description
D4945 Standard High Strain Dynamic Load Testing (HSDT) For Evaluating Dynamic Soils And Rocks Properties
HSDT is used in a wide range of applications, mainly in foundation engineering, road and bridge construction, soil improvement, and earthquake engineering. In these applications, HSDT can accurately assess the behavior of soil and rock under dynamic loading, and help designers select appropriate materials and design solutions to improve the safety and stability of the project.
The use of HSDTs typically relies on a specific configuration including high strain loading equipment, sensors and data acquisition systems. High-strain loading equipment is capable of applying large dynamic loads in a short period of time, simulating various loading situations that may be encountered in actual use. Sensors are used to monitor the dynamic properties of the soil or rock response in real time, such as modulus of elasticity, damping ratio, and vibration characteristics. The data acquisition system is responsible for collecting and storing the data generated during the testing process for subsequent analysis.
The unique feature of the HSDT is its ability to provide real-time dynamic response data. This feature not only improves the efficiency of the test, but also provides more detailed information for subsequent engineering analysis. In addition, the test method is relatively simple and easy to implement, and can obtain the required data without destroying the soil structure, which is applicable to various geological environments.
| 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) |
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