Noise Barrier Fatigue Testing Machine
Category：Torsion Testing Machine
Introduction
The Noise Barrier Fatigue Testing Machine is a specialized testing device used to evaluate the fatigue life, structural strength, and durability performance of noise barriers and related components under cyclic loading conditions. It applies dynamic and static loads through a hydraulic actuator to simulate actual service conditions and analyze the fatigue performance of specimens.
Applicable Standards
GB/T 2611 — General Requirements for Testing Machines
GB/T 3075 — Metal Materials — Fatigue Testing — Axial Force-Controlled Method
JT/T 646 — Technical Requirements for Highway Noise Barriers
TB/T 3122 — Technical Requirements for Railway Noise Barriers
Application
The Noise Barrier Fatigue Testing Machine is mainly used for fatigue testing of highways, railways, elevated insertion-type metal noise barriers, and embedded channels. It can test the ultimate fatigue life of specimens.
The main machine adopts a hydraulic loading system to apply test forces to noise barriers or embedded channels. The test force is measured by sensors, data is collected through the measurement and control system, and the computer screen displays the test force and test curves.
It is suitable for noise barrier manufacturers, quality inspection departments, and research institutions for quality testing and scientific research.
Technical Specifications
| Item | Specification |
|---|---|
| Static Test Force | 10–50 kN |
| Dynamic Test Force | 10–50 kN |
| Test Force Measurement Range | Dynamic: 2%–100% FS |
| Force Indication Accuracy | ≤ ±1% |
| Test Force Indication Accuracy | Dynamic: ≤ ±1%; Static: ≤ ±0.5% |
| Displacement Measurement Range | ±100 mm (Optional) |
| Displacement Measurement Resolution | 0.001 mm |
| Displacement Indication Accuracy | ≤ ±1% |
| Deformation Accuracy | ≤ ±0.5% |
| Actuator Maximum Displacement | ±50 mm |
| Actuator Indication Accuracy | ±0.5% FS |
| Test Waveforms | Sine Wave, Pulse Wave, Square Wave, Sawtooth Wave, Random Wave |
| Frequency Range | 0.01–30 Hz |
| Hydraulic Power Supply | 21 MPa, 45 L/min, 22 kW, AC Three-phase, 380 V |
Features
Hydraulic servo loading system with high loading accuracy and stable performance.
Supports static and dynamic fatigue testing of noise barriers and embedded channels.
Multiple loading waveforms available, including sine wave, pulse wave, square wave, sawtooth wave, and random wave.
High-precision force and displacement measurement with real-time data acquisition.
Computer-controlled operation with automatic test data recording and curve display.
Equipped with safety protection functions to ensure reliable operation.
Suitable for quality inspection, product development, and scientific research.
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