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An improved damage constitutive model for pre-heated rocks under uniaxial compression considering the initial compaction effect and residual strength Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-08-22 Xunjian Hu, Dongdong Ma, Ni Xie, Qizhi Zhu, Haibo Hu, Xiaonan Gong
Enhancing our understanding of the damage evolution in pre-heated rock is essential for safer design practices. Accordingly, a mechanical damage variable that accurately depicts the initial damage recovery process was proposed. Subsequently, a damage constitutive model is developed based on the generalized equivalent strain principle, enabling the identification of the initial nonlinear characteristics
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Statistical damage constitutive model based on energy conversion for rocks Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-08-22 Cheng Hongming, Yang Xiaobin, Lu Jie, Dong Chuanlong, Lan Yongqing
The nonlinearity of the constitutive relation for rocks becomes more prominent with a more complex physical-mechanical environment and mechanical behavior. The accurate establishment of the constitutive relation affects the determination of rock deformation and damage state from physical features. In this study, a novel statistical damage constitutive model for rocks is proposed based on quantified
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Evolution of the damage precursor based on the felicity effect in shale Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-24 PK Gautam, Rishabh Dwivedi, Peeyush Garg, Dipaloke Majumder, Siddhartha Agarwal, Maurice McSaveney, TN Singh
Damage precursors during hydraulic fracturing in shale gas reservoirs may be better understood if the deformation, failure, and acoustic emission (AE) characteristics under cyclic loading are known. Therefore, the purpose of this paper is to investigate the quantitative damage based on the Felicity effect under constant stress lower limit uniaxial cyclic loading-unloading rates (0.5, 1.0, 1.5, 2.0
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A 3D micromechanical model to predict the complete stress-strain relation of microencapsulated self-healing concrete Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-23 Kaihang Han, J Woody Ju, Xiangsheng Chen, Le-Yang Lv, Shuai Zhou, Gang Wei, Zhiguo Zhang, Hongzhi Cui
The research on the concrete structure built with self-healing materials brings inspiration to increase the safety and sustainability of underground structures in the whole life cycle. The utilization of microencapsulated healing agents in self-healing concrete has demonstrated efficacy in the repair of microcracks within concrete structures. Nevertheless, there exists a dearth of effective methodologies
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Cyclic loading and unloading strain equations and damage evolution of gypsum specimens considering damping effects Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-17 Di Wu, Laiwang Jing, Wei Jing, Shaochi Peng
This study aims to establish a strain instanton equation and damage factor evolution law for gypsum specimens by considering damping. First, damping energy is calculated based on the single-degree-of-freedom vibration model, and the instantaneous strain equation is obtained based on the stress balance equation. Second, the dissipation energy is divided into damping and damage energies, and a damage-factor
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A modified Manson-Halford model based on improved WOA for fatigue life prediction under multi-level loading Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-15 Yibo Yang, Li Zou, Xinyu Cao, Xinhua Yang, Yibo Sun
The Manson-Halford (M-H) nonlinear cumulative damage model is widely applied for fatigue life analysis problems under multi-level loading. In this model, the influence of loading sequence on the fatigue life can be better considerer, but the loading interaction effect is ignored. An improved whale optimization algorithm (IWOA) by integrating multiple strategies is proposed. The ability of global search
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Exploring freeze-thaw damage distribution of asphalt mixture through DIC in combination with CT Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-15 Hengzhen Li, Hao Shi, Huining Xu, Yu Tian, Yiqiu Tan, Kaidi Liu
Open graded friction course (OGFC) is highly susceptible to environmental impacts such as load and clogging, due to its rich void structure and exposure to environments. Especially in cold regions, freeze–thaw (F-T) damage is inevitable for OGFC. While the existing analysis methods cannot specifically describe the material's micro-response to load or environment. Therefore, the digital image correlation
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Fracture mechanics approach to minimum reinforcement design of fibre-reinforced and hybrid-reinforced concrete beams Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-06 Alessio Rubino, Federico Accornero, Alberto Carpinteri
The problem of the minimum reinforcement condition in fibre-reinforced and hybrid-reinforced concrete flexural elements is addressed in the framework of fracture mechanics by means of the Updated Bridged Crack Model (UBCM). The model describes the crack propagation process occurring in the critical cross-section of the reinforced member, by assuming the composite as a multiphase material, whereby the
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Behavior of geometrically-similar Basalt FRP bars-reinforced concrete beams under dynamic torsional loads Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-04 Yushuang Lei, Liu Jin, Wenxuan Yu, Xiuli Du
A numerical model utilizing 3D mesoscale simulation methods was developed to investigate the influence of strain rate on the torsional performance of geometrically similar Basalt Fiber Reinforced Polymer bars-reinforced concrete (BFRP-RC) beams, as well as the corresponding size effects. The model incorporates concrete heterogeneity, material strain rate effects, and the dynamic bond-slip relationship
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Strain energy density and entire fracture surface parameters relationship for LCF life prediction of additively manufactured 18Ni300 steel Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-03 Wojciech Macek, Ricardo Branco, Joel de Jesus, José Domingos Costa, Shun-Peng Zhu, Reza Masoudi Nejad, Andrew Gryguć
In this study, the connection between total strain energy density and fracture surface topography is investigated in additively manufactured maraging steel exposed to low-cycle fatigue loading. The specimens were fabricated using laser beam powder bed fusion (LB-PBF) and examined under fully-reversed strain-controlled setup at strain amplitudes scale from 0.3% to 1.0%. The post-mortem fracture surfaces
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Expansion displacement mechanics model of concrete under seawater corrosion Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-01 Tingwei Chen, Jinhan Chen, Jiankang Chen, Yunfeng Lv
In this study, the variation in the expansion displacement of concrete samples with different water-cement ratios under five corrosion solutions (single sulfate salt and coupled sulfate-chloride salt) is explored. The expansion displacement evolution of these concrete samples under sulfate corrosion (single salt corrosion) and sulfate-chloride corrosion (double salt corrosion) is comprehensively examined
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Modeling of viscoelastic deformation and rate-dependent fracture damage in rat bone Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-01 Santosh Reddy Kommidi, Yong-Rak Kim, Do-Gyoon Kim
Bone is a complex hierarchical structural material whose organ-level response is highly influenced by its constitutive behavior at the microstructural level, which can dictate the inelastic nonlinear deformation and fracture within the organ. In the current study, a combined experimental-computational approach was sought to first obtain the local constitutive properties. Later, a multiscale modeling
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Enhancing the acoustic emission technique using fuzzy artificial bee colony-based deep learning for characterizing selective laser melted AlSi10Mg specimens Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-01 Claudia Barile, Caterina Casavola, Dany Katamba Mpoyi, Giovanni Pappalettera, Vimalathithan Paramsamy Kannan
This article presents a classification of Acoustic Emission (AE) signals from AlSi10Mg specimens produced via Selective Laser Melting (SLM). Tensile tests characterized the mechanical properties of specimens printed in different orientations (X, Y, Z, 45°). Initially, a study quantified damage modes based on the stress-strain curve and cumulative AE energy. AE signals for each specimen (X, Y, 45°,
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Phase-field damage simulation of subloop loading in TiNi SMA Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-01 Vladimir Dunić, Ryosuke Matsui, Kohei Takeda, Miroslav Živković
In practical applications, TiNi shape memory alloys (SMAs) exhibit behavior that can pose a challenge with current constitutive models and their implementations in finite element method (FEM) software. TiNi SMA devices typically operate in the forward or reverse martensitic transformation regime, which is known as subloop loading. During such cyclic loading–unloading, the hysteresis stress–strain loop
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Investigation of pore structure evolution and damage characteristics of high temperature rocks subjected to liquid nitrogen cooling shock Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-05-01 Can Du, Jing Bi, Yu Zhao, Chaolin Wang, Wei Tang, Shuailong Lian
Liquid nitrogen (LN2) can be utilized in the development of enhanced geothermal systems, as well as for deep/ultra-deep hydrocarbon reservoir stimulation, fire suppression, and other high-temperature geological projects. It is a crucial issue in the utilization of LN2 to investigate the pore structure evolution, permeability, and damage characteristics of high-temperature rocks under the influence
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A multiscale micromechanical progressive elastic-damage model for cementitious composites featuring superabsorbent polymer (SAP) Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-04-23 Aiqing Xu, Xiaoyan Man, J Woody Ju
A multiscale micromechanics-based progressive damage model is developed to investigate the overall mechanical behavior and the interfacial microcrack evolutions of the cementitious composites featuring superabsorbent polymer (SAP) under uniaxial tension. Elastic properties, progressive damage process, and homogenization procedure of cementitious composites are systematically integrated in this model
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Defect effect on high strain rate compressive behaviors of 3D braided composites Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-04-20 Jinhui Guo, Yousong Xue, Bohong Gu, Baozhong Sun
Defect effects of carbon fiber composites under dynamic impact conditions are important to mechanical behavior design in the aerospace field. Here we report the defect effect on the impact compressive behavior of 3D braided composites at high strain rates from 550/s to 1240/s. The defect effect on damage behavior was observed by high-speed photography and digital image correlation (DIC) technology
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A new unsymmetrical decomposition of the damage variable Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-04-19 George Z Voyiadjis, Peter I Kattan
This work focuses on the dissection of the damage variable within solid materials. The underlying assumption is that damage within a solid primarily stems from the presence of various defects. The conventional approach to breaking down the damage variable into two parts – one attributed to the first defect type and the other to the second defect type – is both explored and expanded in a coherent mathematical
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Experimental and damage model study of layered shale under different moisture contents Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-04-12 Qi Xian-yin, Geng Dian-dong, Xu Ming-zhe, Ke Ting
To investigate the mechanical properties and damage evolution law of layered shale under varying moisture contents, we conducted triaxial compression experiments on rock samples with different bedding angles and moisture levels. This study analyzed the variations in mechanical properties of layered shale under different conditions, and established a predicted model for elastic modulus based on different
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Theoretical and numerical modeling of the effect of damage and dynamic strain aging on the plastic response of C45 steel alloys Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-03-18 Yooseob Song, Jaeheum Yeon, George Z Voyiadjis
A constitutive model for C45 steel alloys is proposed in this work by integrating the effect of damage and a specific phenomenon, so-called dynamic strain aging. For damage modeling, an energy-based isotropic damage model is implemented within a frame of continuum damage mechanics. The total stress is decomposed into athermal and thermal elements. The former includes the additional term for dynamic
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Mechanical impairment characteristics and a novel constitutive model for rocks subjected to uniaxial loading process Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-03-08 Kai Chen, Roberto Cudmani, Andres Alfonso Pena Olarte
The study of constitutive relationship and damage degradation is crucial in solving the stability challenges faced in the rock engineering. In this work, the stress-strain relationships of different type of rocks subjected to uniaxial loading processes are investigated in details. Experimental results demonstrate measurements, such as uniaxial compressive strength (UCS), tangent deformation modulus
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Damage evolution analysis of concrete based on multi-feature acoustic emission and Gaussian mixture model clustering Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-03-05 Bo Yu, Jian Liang, Jiann-Wen Woody Ju
In this work, a novel method for damage evolution analysis of concrete under uniaxial compression is proposed based on the multi-feature acoustic emission (AE) and the Gaussian mixture model (GMM) clustering. The hierarchical clustering algorithm is adopted to select optimal AE parameters, while multiple features of these parameters are generated through the principal component analysis (PCA). Then
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Dynamic constitutive model of saturated saline frozen soil under uniaxial impact loading Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-02-29 Bin Shang, Zhiwu Zhu, Bin Li, Fulai Zhang, Tao Li
The soil matrix, salt crystals, ice crystals, and pore solutions constitute the composite geological material of saturated saline frozen soil. The destruction mode and dynamic constitutive model of saturated saline frozen soil need to be studied because infrastructure construction is increasingly being extended to regions with saturated saline frozen soil. Based on the split Hopkinson pressure bar
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Damage analysis of axially compressed concrete-filled steel tube stub columns based on acoustic emission Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-02-29 Yanjun Chang, Enchao Rong, Wanli Chen, Xiaojun Ke, Kaizhong Xie
Concrete-filled steel tube (CFST) widely applied in engineering structures due to its superior behavior requires monitoring and assessment for damage level. Here, the acoustic emission (AE) technique was used to monitor the fracture process of concrete core in CFST stub columns subjected to axial compression. Test and analyzed results show that the damage process of CFST specimens can be divided into
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Experimental and numerical study on projectile impact damage of EBC-SiC/SiC Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-02-28 Bin Liu, Yancheng Liu, Qiyun Ao, Tengfei Yang, Rui Yan, Yongsheng Liu
The ingested particles or debris will cause high-speed & low-energy impact to the hot end components of aeroengine. Few literature focus on the projectile impact of SiC/SiC with Environmental Barrier Coating(EBC). The impact of 2 mm projectile was specially studied for Si/Yb2Si2O7/Yb2SiO5-SiC/SiC. Gas gun system was used to conduct impact testing at the speed of 3 m/s∼353m/s. The optical microscope
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Elastic moduli prediction of a short fiber composite with interface debonding at fiber ends Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-02-28 Hong-Bo Huang, Zheng-Ming Huang, Yong-Ping Wan
This work deals with the fiber ends debonding-induced elastic moduli degradation of a short fiber reinforced composite (SFRC). The strain fields of the matrix in a representative volume element (RVE) of the SFRC are determined from an imaginary fiber technique. By using the debonding boundary conditions, the debonded modulus of the composite is derived, which is affected by not only the far-field but
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Multiscale prediction of thermal damage for hybrid fibers reinforced cementitious composites blended with fly ash at high temperatures Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-02-26 Kai Cao, Ganggui Liu, Hui Li, Zhiyi Huang
Thermal damage assessment of cementitious composites is essential for evaluating post-fire health conditions of the engineering structures, as well as the basis for reinforcement and repair after fires. Fibers and fly ash are widely used in cementitious composites due to their excellent properties. However, quantifying and predicting the thermal damage of hybrid fibers reinforced cementitious composites
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Multi-stress damage and healing mechanics in quasi-brittle materials: Theoretical overview Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-02-26 Bilal Ahmed, Taehyo Park, Jong-Su Jeon
This work introduces a theoretical framework for continuum damage and healing mechanics by extending stress decomposition to account for tensile, compressive, and shear stresses. In addition to the spectral stress decomposition into tensile and compressive components, we extend the existing stress decomposition method to address shear stresses. The extraction of shear stresses employs two hypotheses
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A rolling contact fatigue life prediction model for bearing steel considering its gradient structure due to cyclic hardening Int. J. Damage Mech. (IF 4.0) Pub Date : 2024-02-26 Yue Zhao, Xi Wang, Rubing Guo, Shouguang Sun
This paper presents a rolling contact fatigue life prediction model for bearing steel. In the initial stage of rolling contact, the gradient structure appears in the subsurface region of bearing steel and the hardness shows a gradient distribution along the contact depth direction due to the roller compaction effect. This indicates that the fatigue resistance of bearing steel varies in the subsurface
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A new damage-based failure criterion for nonlinear behavior of fibrous composite materials Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-05-12 GA Abu-Farsakh, IN Odeh
In the present paper, a novel combined damage-based failure criterion is being proposed for predicting failure stresses in unidirectional fibrous composite laminas or laminates having a nonlinear m...
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Effect of cutting parameters on the microstructure evolution and damage mechanism of 7075-T6 aluminum alloy in micro cutting Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-05-11 Ping Zhang, Zhenyong Lin, Zehua Liu, Junling Liu, Qingqun Mai, Xiujie Yue
This work aims to explore how cutting parameters affect the microstructure evolution and damage mechanism of 7075-T6 aluminum alloy in micro cutting. The effect of cutting parameters on micro cutti...
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Hydro-mechanical coupling behavior and statistical damage constitutive model of deep marble with disturbance Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-05-07 Zhiliang Wang, Shumin Wang, Jianguo Wang
To study the effect of excavation disturbance on hydro-mechanical coupling characteristics of deep marble, both artificially disturbed and intact marble samples were tested under different osmotic ...
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Statistical continuum damage healing mechanics (SCDHM) Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-05-04 Amir Shojaei, George Z Voyiadjis
Damage healing mechanics has been under tremendous development during the past decade in which many constitutive models for different classes of materials have been proposed in the literature. Howe...
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Effect of strong dielectric substances on the damage characteristics of rocks exposed to microwave radiation: Insight from experiments and mechanisms Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-05-03 Feng Gao, Yindong He, Xin Xiong, Keping Zhou, Chun Yang
It has been demonstrated that microwave pretreatment can weaken rocks, reduce tool wear, and improve mechanical rock breaking efficiency. The dielectric properties of rock minerals are a major fact...
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Optimization towards Walker’s equation using intrinsic damage dissipation energy Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-04-25 Haoran Li, Wenqi Li, Zhong Xiang, Yan Peng
In this work, a fatigue stress equation associated with equivalent life is proposed based on the intrinsic damage dissipation energy. This method can be treated as an optimization towards Walker’s ...
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A comprehensive experimental review of strain rate, size effect, creep and confinement in concrete: Part III Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-03-07 Bilal Ahmed, Taehyo Park, George Z Voyiadjis
A comprehensive review of destructive testing techniques to understand concrete behavior is presented in this work. The main objective of this article is to summarize the literature from the last t...
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Experimental study on the evolutionary characteristics of acoustic signals produced by granite damage under uniaxial compression Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-03-02 Guoshao Su, Xianjie Chen, Guikai Sun, Bingrui Chen, Guofu Zhao
Acoustic signals emitted during rock fracture constitute an important tool for rock damage evaluation. To investigate the evolutionary characteristics of acoustic emission (AE), microseismic (MS), ...
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A stress-state-dependent damage criterion for metals with plastic anisotropy Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-03-02 Michael Brünig, Sanjeev Koirala, Steffen Gerke
The paper discusses the effect of stress state and of loading direction on the onset and evolution of damage in anisotropic ductile metals. A series of experiments with uniaxially and biaxially loa...
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A thermodynamic damage model for 3D stress-induced mechanical characteristics and brittle–ductile transition of rock Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-03-01 Zhi Zheng, Hao Su, Guoxiong Mei, Wei Wang, Hong Liu, Qiang Zhang, Yujie Wang
Due to the existence of true three-dimensional high-geostress in deep underground engineering, rock shows different mechanical properties and brittle–ductile behaviours from conventional triaxial s...
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Numerical simulation on hydraulic fracture propagation in laminated shale based on thermo-hydro-mechanical-damage coupling model Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-03-01 Bo Zhang, Zhanqing Qu, Tiankui Guo, Ming Chen, Jiwei Wang, Yuanhang Zhang
The temperature of a deep shale reservoir may reach more than 100°C, and the effect of thermal shock on shale hydraulic fracturing has rarely not been considered in previous studies. Based on mesos...
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Experiment and meso-scale modelling on combined effects of strain rate and specimen size on uniaxial-compressive failures of concrete Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-02-28 Wenxuan Yu, Liu Jin, Xiuli Du
This paper presents experimental and meso-scale modelling studies on the combined effects of strain-rate and specimen size on uniaxial compressive failure behaviour of concrete. A series of uniaxia...
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Numerical analysis of size effect on the deformation behavior and damage evolution mechanism of segmental tunnel lining rings Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-02-16 Xiaofeng Zhao, Kaihang Han, J Woody Ju, Xiangsheng Chen, Weitao Chen, Hao Xiong
This article investigates the size effect of segmental tunnel linings on the deformation behavior and the damage evolution mechanism using the Finite Element Method (FEM). A series of models with d...
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Damage-healing analysis of microencapsulated self-healing concrete subjected to tensile loading using a 2D micromechanical model Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-01-28 Kaihang Han, J Woody Ju, Le-Yang Lv, Zhiguo Yan, Xiangsheng Chen, Yin-fu Jin
Self-healing concrete that employs microencapsulated healing agents has been proven to be an effective method for microcrack repairment in the concrete structure. However, there is a lack of effici...
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Continuum damage mechanics-based finite-volume homogenization of unidirectional elastoplastic fiber-reinforced composites Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-01-16 Wenqiong Tu, Shuaijun Wang, Qiang Chen
The Finite-Volume Direct Averaging Micromechanics (FVDAM) method has been further extended to predict nonlinear behaviors of unidirectional boron/aluminum (B/Al) composites, induced by plastic defo...
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Mixed-modes (I/III) fracture of aluminum foam based on micromechanics of damage Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-01-05 Nabi Mehri Khansari, MRM Aliha
Nowadays, foam structures have several applications in industries. Basically, discontinuities such as pores cause complications in evaluating the mechanical and fracture behavior. In other words, u...
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Mechanical properties and damage constitutive model of coal specimen with different moisture under uniaxial loading Int. J. Damage Mech. (IF 4.0) Pub Date : 2023-01-03 Qiang Xu, Qiangling Yao, Liqiang Yu, Liu Zhu, Zhaohui Chong, Yinghu Li, Xuehua Li
The moisture content has an important influence on the strength and stability of coal pillar dams in underground reservoirs. In this paper, the uniaxial compression test was performed on coal sampl...
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Impact simulations for high-performance fiber-reinforced cement composites using a coupled finite element and smoothed particle Galerkin method Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-12-19 MinJoo Lee, Hyo-Gyoung Kwak
This paper presents a projectile impact analysis of high-performance fiber-reinforced cement composite (HPFRCC) structures based on the coupling of the finite element method (FEM) and the smoothed ...
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Mechanical properties and two damage models of frozen-thawed rocks under triaxial compression Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-12-18 Wangtao Jiang, Yuanming Lai, Fan Yu, Qinguo Ma, Hongwei Li
Freeze-thaw induced damage in rock engineering is common in cold regions. However, a damage model for capturing the whole failure process of frozen-thawed rocks is still lacking. In this paper, tri...
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Energy-driven damage evolution and instability in fissure-cavity-contained granite induced by freeze-thaw and multistage increasing-amplitude cyclic (F-T-MSIAC) loads Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-12-11 Yu Wang, Jianqiang Han, Yingjie Xia, Bo Zhang
Rock damage and fracture is energy-driven, the energy conversion characteristics for the pre-flawed rock under static or fatigue loading conditions have been well widely studied. However, energy me...
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Investigation into a comprehensive forming limit curve considering multi-parameters effects for semi-cured FMLs through uniform pressure loading test Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-12-04 Meng Zhang, Hasnain Ali Mirza, Ye Chi Zhang, Muhammad Nazim Tabasum, HL Lang, Ping Zheng Zou
Recently, hydroforming has paid dividends in composite forming due to its uniform pressure distribution, which helps in reducing the delamination defects. Considering the need to develop an appropr...
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An energy-based elastoplastic damage model for concrete at high temperatures Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-11-27 Yu-Shuang Wang, Jian-Ying Wu
Although structural concrete is widely used in civil engineering, the proper modeling of its thermo-mechanical behavior remains a challenging issue for the academic and engineering communities due ...
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Study on creep characteristics and fractional creep damage constitutive model of limestone under thermal-mechanical action Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-11-13 Haopeng Jiang, Annan Jiang, Fengrui Zhang, Yunpeng Feng
To study influence of thermal-mechanical action on creep for the geothermal wellbore, Dalian limestone was taken as the research object, and triaxial creep tests were carried out on samples under d...
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A new statistical damage model for true triaxial pre-and post-peak behaviors of rock considering intermediate principal stress and initial compaction effects Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-11-02 Zhi Zheng, Hongyu Xu, Benguo He, Chengxiang Yang, Shuling Huang, Xiaohua Huang, Jiaju Zhou, Wei Wang
Deep underground engineering excavation will induce complex change in the true three-dimensional stress state of the surrounding rock, causing rock damage and then leading to a change in mechanical...
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Hydro-mechanical coupling characteristics and damage constitutive model of low-permeability granite under triaxial compression Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-11-02 Zhi Zheng, Hongyu Xu, Wei Wang, Guoxiong Mei, Zaobao Liu, Hong Zheng, Shuling Huang
To investigate the effect of hydro-mechanical coupling characteristic in low-permeability hard rocks during the excavation of groundwater-sealed energy cavern and hydraulic engineering tunnels or c...
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Combined high and low cycle fatigue life prediction model based on damage curve method considering loading interaction effect Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-10-27 Jun Hou, Xiaowei Wang, Hui Guo, Yansong Wang, Fangjie Li, Qin Shen
Through analyzing the characteristics of the Miner’s rule and the Manson-Halford (M-H) model, a nonlinear fatigue damage accumulation model is established based on the damage curve method under com...
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A one dimensional ubiquitiform damage model for quasi-brittle materials Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-10-17 Xiao Yang, Zhuo-Cheng Ou, Zhiling Bai, Zhuoping Duan, Fenglei Huang
Considering the self-similar characteristic of irregular pore network of materials during the damage evolution process, a pore ubiquitiform model (PUM) is developed to characterize the multiscale p...
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Physical model test and numerical simulation study of cumulative damage to deep tunnel surrounding rock under cyclic blasting load Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-10-17 Jiang Huang, Shi-Hai Chen, Min-Long Liu, Kun-Peng Li
Cyclic blasting excavation of a deep tunnel frequently disturbs the surrounding rock, and cumulative damage effect will occur in cases multiple blasts are applied. To study the damage evolution tre...
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Numerical simulation research on impact mechanical properties of frozen soil based on discrete element method Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-10-17 Zhanfan Chunyu, Zhiwu Zhu, Bin Li, Tao Li
Many engineering activities have been conducted on permafrost. Frozen soil is subjected to impact loading, particularly during blasting and excavation projects. Thus, it is essential to study the i...
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A micromechanical crack bridging model considering the slip-softening interface with the residual shear stress for SFRCC Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-10-10 Xiangyang Wei, Hehua Zhu, Qing Chen, J Woody Ju, Zhiguo Yan, Yi Shen
Characterizing the bond properties of the steel fiber/matrix interface plays an important role in describing the crack bridging effect in steel fiber-reinforced cementitious composites (SFRCC). In ...
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A new fractional-order model for time-dependent damage of rock under true triaxial stresses Int. J. Damage Mech. (IF 4.0) Pub Date : 2022-09-13 Zhi Zheng, Zhiyang Cai, Guosao Su, Shuling Huang, Wei Wang, Qiang Zhang, Yujie Wang
To reasonably describe the time-dependent characteristics of rock under true triaxial stresses and analyze the long-term stability of deep underground engineering, based on the understanding of tim...