Theoretical and Applied Fracture Mechanics
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#1Dongliang Sun (CSU: Central South University)
#2Qiu-hua Rao (CSU: Central South University)H-Index: 6
Last. Wei Yi (CSU: Central South University)H-Index: 1
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Abstract null null Fracture toughness of anisotropic shale is an important parameter in shale-gas exploitation technology. Currently available literature is mainly focused on Mode I fracture toughness (KIC) of anisotropic rock under tensile loading. Although there are the cracked straight through Brazilian disk and crack ring disk used to determine Mode II fracture toughness (KIIC) of anisotropic rock under pure shear stress, their fracture trajectories are deviated from the original crack plane...
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#1Zhenting YangH-Index: 3
#2Xiong YuH-Index: 3
Last. Xinsheng XuH-Index: 22
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#1Umberto De Maio (University of Calabria)H-Index: 3
#2David Cendón (UPM: Technical University of Madrid)H-Index: 17
Last. Jaime Planas (UPM: Technical University of Madrid)H-Index: 27
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Abstract null null Cracking simulation in concrete-like structures is the subject of numerous investigations of computational kind, in which different modeling techniques based on either smeared or discrete fracture approaches have been proposed. In this work, two different finite element-based cohesive fracture models, proposed by some of the authors and belonging to the discrete approaches, have been compared: (i) a novel refined diffuse interface model and (ii) a well-established embedded cra...
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#1Mengze Yang (Liaoning Technical University)
#2Houxu Huang (Anhui Jianzhu University)
Last. Yu Yang (Liaoning Technical University)
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Abstract null null When subjected to long-term static loading, with the accumulation of damage and fracture, brittle rock would fails when the static loading is lower than the compressive strength of the rock, and the increasing of the static loading can generally shorten the time required for the brittle rock failure. To explore the relationship between the durability of the brittle rock and the applied static loading, in this paper, the propagation modes of the microcracks in brittle rock unde...
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#2Ran Guo (Kunming University of Science and Technology)H-Index: 1
Last. Ran Guo
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#1Yunqiang Wang (Chongqing University)H-Index: 2
#2Kang Peng (CSU: Central South University)
Last. Kun Long (Chongqing University)
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Abstract null null Fissured rock mass is the most common construction object in geotechnical engineering and its mechanical properties are closely related to the stability of geotechnical engineering. A laboratory uniaxial compression test and a numerical simulation test were separately carried out on the fissured sandstone samples. Based on parameters, such as crack coalescence modes, the ratio of rise time to amplitude (RA) and the ratio of acoustic emission (AE) counts to duration (AF) of AE ...
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#1Qi Wang (TJU: Tianjin University)
#2Linan Li (TJU: Tianjin University)H-Index: 7
Last. Yantao Zeng (TJU: Tianjin University)
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Abstract null null Thin metal films in the nanometer range are extensively used for electronic and optoelectronic devices. However, the residual stress has a profound impact on the durability of the devices during their lifetime. This paper developed a two-dimensional (2D) elastic model to study the residual stress and opening-mode fractures (OMFs) in a film/substrate assembly. The fracture strength expressed by crack length is derived by the strength criterion. This paper also studies fragmenta...
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#1Bai Zhang (SEU: Southeast University)
#2Hong Zhu (SEU: Southeast University)
Last. Fei Lu (SEU: Southeast University)
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Abstract null null The development of cracks inside concrete is harmful to the structural durability of seawater coral aggregate concrete (CAC) subjected to an aggressive marine environment. Thus, three-point bending (TPB) tests were performed on the notched beams to determine the fracture properties of cement-based CAC and slag-based alkali-activated CAC (AACAC) at different initial crack-depth ratios (a0/H = 0.2, 0.3, 0.4, and 0.5) and alkaline contents (Na2O-to-binder ratios of 3%, 4%, and 6%...
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#1M. Mousavi (IAU: Islamic Azad University)
#2S. Hamzehei-Javaran (SBUK: Shahid Bahonar University of Kerman)
Last. S. Shojaee (SBUK: Shahid Bahonar University of Kerman)
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Abstract null null In this research, the solution of linear elastic fracture mechanics problems when using spherical Hankel shape functions in the boundary element method is investigated. These shape functions benefit from the advantages of Bessel function fields of the first and second kind in addition to the polynomial ones, which makes them a robust and efficient tool for interpolation. Among the most important features of Hankel shape functions, the infinite piecewise continuity and the util...
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Top fields of study
Composite material
Materials science
Stress intensity factor
Fracture mechanics
Structural engineering