Related Experiment Video
Updated: Jan 13, 2026
12:21
Determination of the Friction Coefficients of Icy Pavements Under Different Amounts of Snowfall
Published on: January 6, 2023
4.7K
Temperature-Dependent Models for Rutting Performance of Asphalt Pavement Surface Layer Materials Under Varying Load
Jincai Yang1, Guanqing Li2, Yantao Chen2
1Nanyang Communications Construction Investment Group Co., Ltd., Nanyang 473000, China.
Materials (Basel, Switzerland)
|October 29, 2025
Summary
This study investigates asphalt pavement performance at high temperatures, finding that increased temperature significantly reduces dynamic stability and increases rut depth. Modified asphalt mixtures show superior high-temperature resistance compared to base mixtures.
Area of Science:
- Civil Engineering
- Materials Science
- Geotechnical Engineering
Background:
- High-temperature performance is crucial for asphalt pavement durability.
- Rutting is a major failure mode in asphalt surfaces under high temperatures and traffic loads.
- Understanding temperature dependence is key to predicting and preventing pavement distress.
Purpose of the Study:
- To characterize the temperature-dependent high-temperature performance of asphalt pavement surface layer materials.
- To investigate the influence of temperature, load, and number of actions on anti-rutting performance.
- To develop predictive models for high-temperature performance and rutting.
Main Methods:
- Indoor rutting tests were conducted on AC-13 and AC-16 asphalt mixtures.
- Temperature-dependent models for dynamic stability were established.
- A rutting prediction model incorporating temperature, load, and action indices was constructed.
Main Results:
- Dynamic stability decreases with increasing temperature following an S-shaped curve.
- Rut depth increases exponentially with temperature.
- Modified asphalt mixtures (SBS, HMB) exhibited significantly higher dynamic stability than base asphalt mixtures.
- Transition temperatures for dynamic stability varied among different asphalt types.
- Rutting prediction model achieved correlation coefficients above 0.95.
Conclusions:
- Temperature is a critical factor influencing asphalt pavement high-temperature performance.
- Modified asphalt binders enhance resistance to rutting.
- Developed models accurately predict rut depth based on temperature, load, and traffic volume.
Related Concept Videos
01:21Fatigue
792
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
792
01:28Logarithmic Differentiation
5
When a car’s weight and driving forces act on a tire, they impose an external load on the rubber material. This load is resisted internally by forces distributed throughout the tire structure, which are defined as stress. The resulting deformation of the rubber due to this stress is quantified as strain. The relationship between stress and strain governs how the tire deforms under load and is central to understanding its mechanical response during operation.Rubber exhibits a nonlinear...
5
01:22Fatigue Strength of Concrete
534
Fatigue, in the context of materials science and engineering, refers to the weakening or failure of a material caused by repeatedly applied loads, even if these loads are below the strength limit of the material. Fatigue strength in concrete is a critical property that influences its durability and longevity. Concrete can fail in two ways due to fatigue. Static fatigue or creep rupture occurs under a constant load or one that increases slowly. The other failure mode is due to cyclical or...
534
01:21Rolling Resistance
606
When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the contact point. However, since no materials are entirely rigid, the surface's reaction to the cylinder involves a range of normal pressures.
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
606
01:22Toughness and Hardness of Aggregate
574
Toughness and hardness are critical properties of aggregate materials used in concrete, particularly on pavement surfaces and industrial flooring subjected to heavy loads. Toughness is defined as the aggregate's resistance to failure by impact and is measured by the aggregate impact value (AIV). For this, the aggregate impact value test is performed, wherein the impact is delivered by a standard hammer, which falls freely under its own weight onto the aggregates. The aggregates fragment in...
574
01:12Temperature Dependent Deformation
360
In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added...
360