The Asphalt Mixture Dynamic Fatigue Testing Machine is a high-performance material testing equipment that adopts electro-hydraulic servo control technology. It is mainly used to evaluate the fatigue performance and service life of asphalt mixtures under repeated loading conditions.

Asphalt Mixture Dynamic Fatigue Testing Machine

Model:TD-LFV

I. Product Overview

The Asphalt Mixture Dynamic Fatigue Testing Machine supports multiple testing modes, including Indirect Tensile (Splitting) Fatigue Test (IDT) and Beam Fatigue Test. It is widely used in the field of pavement engineering for material performance research, asphalt mixture design optimization, and highway engineering quality control.

The equipment is designed based on advanced international dynamic material testing technologies and incorporates current development trends in road engineering materials. It integrates electro-hydraulic servo drive and control technology, high-precision sensor technology, and computer-based data processing technology. With a self-developed software system, the machine enables automated testing processes, high-precision data acquisition, and intelligent data analysis.

II. System Configuration

The system mainly consists of the following components:

A loading frame (including a servo hydraulic power unit), test fixtures (Indirect Tensile fixture and beam fatigue fixture), load and displacement sensors, a data acquisition system, a computer and printing system (with professional testing software), and an optional high- and low-temperature environmental chamber according to user requirements.

III. Technical Specifications

1.Loading Capacity: Dynamic load output 0–20 kN; Static load output 0–25 kN.

2.Loading Speed: 0.005–50 mm/min, stepless speed regulation.

3.Frequency Range: 0–10 Hz.

4.Data Acquisition Rate: 100 Hz real-time sampling.

5.Load Sensor: Measuring range 0–25 kN, accuracy ±0.1% F.S.

6.Effective Column Spacing: 550 mm between two columns of the main frame.

7.Effective Stroke: 450 mm.

8.Machine Dimensions: 980 × 600 × 2090 mm (L × W × H).

9.Servo Hydraulic Power Unit: 7.5 kW.

10.Environmental Chamber Internal Size (Optional): 450 × 400 × 600 mm.

11.Temperature Control Range: -35°C to +160°C.

12.Linear Displacement Range (LVDT): 0–1000 mm, accuracy ±0.003 mm.

13.Total Power Consumption: ≤5 kW.

14.Net Weight: 700 kg.

15.Power Supply: 380V, 50Hz, three-phase four-wire system.

IV. Product Features

1.Multi-Functional Design:Supports both Indirect Tensile Fatigue Test and Beam Bending Fatigue Test, improving equipment utilization and testing efficiency.

2.Electro-Hydraulic Servo Precision Control:Provides high-response and high-stability dynamic loading capability, ensuring reliable and repeatable test results.

3.Wide Temperature Range Simulation (Optional Environmental Chamber):Temperature range from -35°C to +160°C, meeting testing requirements under various climatic conditions.

4.High-Precision Data Acquisition System:Sampling frequency up to 100 Hz, enabling real-time recording of key data such as load and deformation.

5.Intelligent Software System:Equipped with data analysis, curve plotting, and report generation functions, featuring an intuitive and user-friendly interface.

6.Flexible Loading Modes:Supports both dynamic and static loading, with adjustable frequency and loading speed to meet various testing standards.