Experimental researches on visco-elastoplastic constitutive model of asphalt mastic

Ye, Yong; Yang, Xinhua; Chen, Chuanyao

doi:10.1016/j.conbuildmat.2009.06.023

Cited by 46 publications

(20 citation statements)

References 12 publications

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“…We use experimental creep curves from [5]. Creep curves for the following stress: 0.1, 0.15, 0.2, 0.25 and 0.3 MPa was investigated.…”

Section: Results Of Parameter Identification For Creep Models Of Asphamentioning

confidence: 99%

“…Therefore, to describe the creep curves of these materials is sufficient to use the model, taking into account only the second (steady state) stage of the creep. However, some materials, such as single crystal nickel base superalloys [1,2], heat-resistant steel [3,4] or asphalt mastic [5], demonstrate domination of the third stage of creep. To describe the creep of such materials, it is necessary to use models that describe correctly a third stage of creep.…”

Section: Introductionmentioning

confidence: 99%

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Effective methods of parameter identification for creep models with account of III stage

Grishchenko

Семенов

2016

MATEC Web of Conferences

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Abstract. The account of tertiary (third) stage of creep is important for the failure analysis of structures. The correct description of third stage of creep is based on taking into account of damage accumulation process. An identification of the parameters of coupled creep-damage model leads to the optimization problem of finding the global minimum of a functional, having a complex, non-linear structure and a large number of local minimums. The Nelder-Mead method is applied to the solution to the multiparameter identification problem. The effectiveness and robustness of the applied approach are illustrated on examples of mechanical and civil engineering.

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“…We use experimental creep curves from [5]. Creep curves for the following stress: 0.1, 0.15, 0.2, 0.25 and 0.3 MPa was investigated.…”

Section: Results Of Parameter Identification For Creep Models Of Asphamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effective methods of parameter identification for creep models with account of III stage

Grishchenko

Семенов

2016

MATEC Web of Conferences

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“…Asphalt mixture exhibits linear visco-elasticity at small strain and low temperature, but its behaviour is nonlinear, and cannot International Journal of Pavement Engineering 811 be adequately modelled by a linear visco-elastic approximation at larger strain and high temperature (Ye et al 2009). Irreversible plastic deformation occurs if the stress exceeds certain threshold (yield criterion).…”

Section: Visco-elastoplastic Constitutive Modelmentioning

confidence: 98%

New achievements in visco-elastoplastic constitutive model and temperature sensitivity of glasphalt

Arabani

Kamboozia

2014

International Journal of Pavement Engineering

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This paper focuses on the experimental investigation on temperature sensitivity and visco-elastoplastic behaviour of glasphalt. Classic Burgers creep model could only describe the viscoelastic behaviour of materials before the third creepphase, so a viscoplastic string is added in series with classic Burgers model in order to predict the visco-elastoplastic behaviour of glasphalt. In this research, the effects of loading stress and temperature on creep behaviour of glasphalt under dynamic loading are investigated. In addition, some methods were used to solve model parameters and then predictions from proposed model were compared with experimental results. It was shown that creep testing curves coincided well with theoretic curves, validating that modified Burgers model can completely characterise creep behaviour of glasphalt. Besides, temperature sensitivity of glasphalt was evaluated by using indirect tensile stiffness modulus test, and stiffness modulus behaviour model of glasphalt was presented based on the experimental results and numerical analysis.

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“…As a fundamental problem with respect to mechanical behaviors, the constitutive relationship of the material is regarded as the basis of the research on the performance of structural analysis. Up until now, a variety of empirical or theoretical approaches have been successfully developed and applied in modelling such behaviors for different materials [8,[21][22][23][24][25]35,46,48]. However, relevant studies for CA mortar are limited at present.…”

Section: Of 31mentioning

confidence: 99%

“…To date, much effort has been directed towards the exploration of relevant properties for CA mortar due to its crucial role in safety and life control for railway track structures. Generally, three major categories can be identified in present research topics referring to CA mortar: (a) physical and chemical properties of fresh CA mortar [9][10][11][12][13][14][15][16][17][18][19], which mainly incorporate the properties of rheology, water absorption and expansibility, seepage, and expansibility; (b) mechanical properties of hardened CA mortar [8,[20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36], where particular attention is chiefly paid to the issues of critical compressive strength, Young's modulus, strain-stress relationship, strain rate effect, and temperature sensitivity; (c) investigations of the durability properties of hardened CA mortar [37][38][39][40][41][42][43][44][45][46][47], which primarily aim at the behaviors of fatigue properties, creep and stress relaxation, freezing resistance, and water erosion. 2…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of Stochastic Mechanical Behavior of Cement Emulsified Asphalt Mortar under Monotonic Compression

Xiao

Liu

et al. 2020

Applied Sciences

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Experimental investigation on cement emulsified asphalt mortar (CA mortar) under uniaxial monotonic compression by taking into account the stochastic properties were investigated. An analytical constitutive model based on the statistic damage approach capable of mimicking the stochastic mechanical responses of CA mortar under uniaxial compression was proposed. The comparison between the experimental results and the predictions demonstrated that the proposed model was able to characterize the salient features for CA mortar under uniaxial monotonic compression. Furthermore, the compressive stochastic evolution (SE) of CA mortar tested in this work and comparative analyses among typical China Railway Track System-I (CRTS-I) type CA mortar and concrete in several aspects were examined and performed; it was revealed that the Lognormal distribution density function can well represent the damage probability density for CA mortar, and its stochastic constitutive relationship can be reflected by a media process of transition from microscale to macroscale.

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Experimental researches on visco-elastoplastic constitutive model of asphalt mastic

Cited by 46 publications

References 12 publications

Effective methods of parameter identification for creep models with account of III stage

Effective methods of parameter identification for creep models with account of III stage

New achievements in visco-elastoplastic constitutive model and temperature sensitivity of glasphalt

Experimental Investigation of Stochastic Mechanical Behavior of Cement Emulsified Asphalt Mortar under Monotonic Compression

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