Energy-Based Approach to Predict Fatigue Life of Asphalt Mixture Using Three-Point Bending Fatigue Test

Sun, Yi; Fang, Chenze; Wang, Jinchang; Ma, Zuoxin; Ye, Youlin

doi:10.3390/ma11091696

Cited by 21 publications

(6 citation statements)

References 7 publications

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“…As the loading stress increased linearly, the internal crack of coal expanded stably, while its elastic energy and dissipated energy increased stably and greatly. In the III stage (16)(17)(18). When the energy storage mechanism and energy consumption mechanism of coal reached a dynamic balance, it became unstable and was destroyed.…”

Section: Energy Driving Mechanism Of Coal Fracture Processmentioning

confidence: 99%

“…In recent years, the damage threshold value and damage evolution law under different confining pressures have been obtained based on the damage model [36]. Considering the initial damage and introducing the concept of equivalent modulus to make the model more suitable to the actual damage [17,37] expressed the damage model as a power exponential function of dissipated energy and provided an effective method for evaluating fatigue damage. The concept of the damage variable has been introduced into the existing research, but the relationship between it and cyclic loading/unloading times has been rarely studied.…”

Section: Criterion Of Energy Tangent Factormentioning

confidence: 99%

“…Three-point bending fatigue tests were carried out in order to study the relationships of the dissipated strain energy (DSE) to the stress-strength ratio, temperature, and loading. According to the change laws of the DSE, mathematical models of the DSE and loading rate were established [17]. From the perspective of energy dissipation, the damage model of the fractured rocks was established, which revealed the evolution of the elastic modulus and residual strain of the fractured rocks based on the initial damage [18].…”

Section: Introductionmentioning

confidence: 99%

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Evolution Model of Coal Failure Using Energy Dissipation under Cyclic Loading/Unloading

2023

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The damage and fracture of coal is accompanied by a complex energy conversion process, and these different stages of energy evolution are closely related to coal failure. In this paper, an evolution model describing the behavior of coal failure was proposed using the energy dissipation under cyclic loading/unloading. The energy growth pattern and energy consumption characteristics of the coal fracture were analyzed under cyclic loading/unloading. An evolution model of the energy behavior of coal fracture was established. The damage variables of energy dissipation were defined, and a theoretical model was established. The parameters included the relationship between the energy state, damage state, and strength state according to the uniaxial cyclic loading/unloading test. The results show that there are energy excitation and inhibition effects in the process of coal fracture; that is, the accumulation rate and level of energy are affected by the energy storage state, and the energy storage rate changes in the mode of “low promotion and high inhibition”. The abrupt increase in dissipated energy can be regarded as the precursor of coal fracture. Based on the analysis of the characteristics of the damage and failure state and dissipated energy, the discriminant equation for the stability of the coal energy state was constructed; it is a meaningful discovery for predicting and evaluating coal failure.

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Section: Energy Driving Mechanism Of Coal Fracture Processmentioning

confidence: 99%

Section: Criterion Of Energy Tangent Factormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Evolution Model of Coal Failure Using Energy Dissipation under Cyclic Loading/Unloading

2023

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“…Based on the modulus evolution during the test, the AC lifespan can be defined by an arbitrary rate of loss of 50% and/or 30% of the initial stiffness (Tapsoba et al, 2013). Other criteria that define fatigue life are based on the energy approach (Ghuzlan and Carpenter, 2006;Sun et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Fatigue damage monitoring and analysis of aged asphalt concrete using acoustic emission technique

Benaboud

Takarli

Pouteau³

et al. 2021

Road Materials and Pavement Design

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This paper presents an Acoustic Emission characterization of the damage behavior of asphalt concrete trapezoidal specimen subjected to bending fatigue loading. An experimental fatigue tests campaign is carried out on a damaged asphalt concrete extracted from an in-service highway pavement, built in 2001. Tests were performed in strain controlled mode with an amplitude of 175 µstrain, a loading frequency of 25 Hz, and at 10°C. Failure criteria based on modulus decrease are analysed to determine the fatigue lifespan. Acoustic emission measurements, as a non-destructive technique, are used to investigate the damage and failure processes in the specimen. A network of eight piezoelectric sensors was used to acquire the acoustic signals. Therefore, different fatigue stages are identified based on the temporal evolution of acoustic activity during the tests.Hence, the event's spatial location is presented to show the crack path propagation. The results show that sensors located at the bottom of the specimen register more acoustic emission activity. The locations of acoustic events were in good agreement with the mechanical background calculations.

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“…Researchers all over the world are devoting themselves to life prediction analysis. Sun et al [1,2] used a plateau value and permanent deformation ratio from three-point bending fatigue tests with cyclic loading to predict the fatigue life of as asphalt mixture. The fatigue equation based on a plateau value can well predict the fatigue life.…”

mentioning

confidence: 99%

Special Issue of Environment-Friendly Construction Materials

Hoff

Amirkhanian

et al. 2019

Materials

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This special issue, “Environment-Friendly Construction Materials”, has been proposed and organized as a means to present recent developments in the field of construction materials. For this reason, the articles highlighted in this editorial relate to different aspects of construction materials, from pavement materials to building materials, from material design to structural design, from self-healing to cold recycling, from asphalt mixture to cement concrete.

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Energy-Based Approach to Predict Fatigue Life of Asphalt Mixture Using Three-Point Bending Fatigue Test

Cited by 21 publications

References 7 publications

Evolution Model of Coal Failure Using Energy Dissipation under Cyclic Loading/Unloading

Evolution Model of Coal Failure Using Energy Dissipation under Cyclic Loading/Unloading

Fatigue damage monitoring and analysis of aged asphalt concrete using acoustic emission technique

Special Issue of Environment-Friendly Construction Materials

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