A Chemical Damage Creep Model of Rock Considering the Influence of Triaxial Stress. [PDF]
Materials (Basel), 2022 In order to accurately describe the characteristics of each stage of rock creep behavior under the combined action of acid environment and true triaxial stress, based on damage mechanics, chemical damage is connected with elastic modulus; thus, the ...
Chen Y +7 more
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Determination of the parameters of rock viscoelastic creep model and analysis of parameter degradation [PDF]
Scientific Reports, 2023 Different stress creep tests are conducted on the sandstone in this study to better describe the creep properties of rocks under different stress states. A model that describes the rock creep process is established.
Zhiming Zheng, Yu Yang, Cheng Pan
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A Phenomenological Primary-Secondary-Tertiary Creep Model for Polymer-Bonded Composite Materials. [PDF]
Polymers (Basel), 2021 This study develops a unified phenomenological creep model for polymer-bonded composite materials, allowing for predicting the creep behavior in the three creep stages, namely the primary, the secondary, and the tertiary stages under sustained ...
Duan X, Yuan H, Tang W, He J, Guan X.
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A Nonlinear Fractional Viscoelastic-Plastic Creep Model of Asphalt Mixture. [PDF]
Polymers (Basel), 2021 The mechanical behavior of asphalt mixture under high stresses presents nonlinear viscoelasticity and permanent deformation. In this paper, a nonlinear fractional viscoelastic plastic (NFVEP) creep model for asphalt mixture is proposed based on the ...
Zhang Y, Liu X, Yin B, Luo W.
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A novel nonlinear creep model based on damage characteristics of mudstone strength parameters. [PDF]
PLoS One, 2021 Mudstone interlayer is a weak layer in rock engineering. When it is subjected to continuous stress higher than its damage threshold, due to the dislocation of particles in mudstone crystals and the expansion of cracks, mudstone strength is gradually ...
Hu B, Cui A, Cui K, Liu Y, Li J.
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Creep model of roadway surrounding rock considering hardening effect and damage effect. [PDF]
PLoS ONEThe influence of confining pressure on creep characteristics was analyzed by carrying out creep tests of rocks under different confining pressures. A new creep model of roadway surrounding rock considering the combined influence of hardening effect and ...
Hongmiao Lv
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Study on Nonlinear Damage Creep Model for Rocks under Cyclic Loading and Unloading
Advances in Materials Science and Engineering, 2021 To determine the nonlinear creep characteristics of rocks under cyclic loading and unloading conditions, a nonlinear Kelvin model and damage viscoplastic model are proposed.
Liangliang Zhang, Xiaojian Wang
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Nonlinear Viscoelastic-Plastic Creep Model of Rock Based on Fractional Calculus
Advances in Civil Engineering, 2022 A rock creep constitutive model is the core content of rock rheological mechanics theory and is of great significance for studying the long-term stability of engineering.
Erjian Wei +6 more
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Nonlinear damage creep model of concrete considering the influence of temperature and its parameter variation law analysis. [PDF]
PLoS ONEIn order to study the creep characteristics of concrete under different temperatures, the uniaxial creep test of concrete is carried out. On this basis, the nonlinear creep model of concrete is established by using the fractal order derivative theory ...
Lu Wang
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Tensile Creep Model of Slab Concrete Based on Microprestress-Solidification Theory. [PDF]
Materials (Basel), 2020 Tensile creep is an important factor affecting the early cracking resistance of concrete. The tensile creep model can effectively predict the development of tensile creep.
Zhao Z +5 more
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