Establishment of the Corner Correlation Method and Its Application in Rock Dynamic Test

Zhou, Xingui; Li, Wei; Liu, Yang; Miao, Hong; Zhang, Ruyue; Xu, Jingchao; Wang, Shu; Peng, Xinshuai

doi:10.1007/s12205-022-0117-2

Cited by 1 publication

(2 citation statements)

References 21 publications

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“…The result as shown in Figure 1. The detailed introduction and accuracy evaluation of the corner correlation method can be found author's article (Zhou et al, 2022b).…”

Section: Corner Correlation Methodsmentioning

confidence: 99%

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Dynamic evolution and numerical analysis of rock deformation under impact failure based on corner correlation method

Zhou,

Ye,

Miao

et al. 2023

Front. Earth Sci.

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To fulfill the requirement for deformation measurement within the failure area during rock failure, a newly developed digital image algorithm, known as the corner correlation method, was implemented. A corner correlation measurement system was established by utilizing a Split Hopkinson Pressure Bar (SHPB) and a high-speed camera. The study focused on monitoring the deformation and failure characteristics of sandstone samples under dynamic loading. The results show that the corner correlation method has its unique advantages in rock dynamic mechanics experiments, and can obtain the deformation of the failure region during the rock failure process. Specifically, the initiation, extension, and contraction processes of surface cracks on sandstone were examined. Parameters such as crack width, width propagation rate, and extension shrinkage rate were measured. The entire crack development process was analyzed, including crack width, crack initiation point, crack extension and contraction trajectory, elongation and contraction velocity, width expansion rate, and longitudinal crack penetration, which were obtained at any given time on the surface of the rock sample. Additionally, the attenuation law of stress, characterized by an exponential decay of the stress peak value, was obtained through numerical simulation using a similar model.

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“…The result as shown in Figure 1. The detailed introduction and accuracy evaluation of the corner correlation method can be found author's article (Zhou et al, 2022b).…”

Section: Corner Correlation Methodsmentioning

confidence: 99%

“…FIGURE 1Curve of the relationship between crack position and error(Zhou et al, 2022b). (A) Longitudinal crack (B) Transverse crack.…”

mentioning

confidence: 99%

Dynamic evolution and numerical analysis of rock deformation under impact failure based on corner correlation method

Zhou,

Ye,

Miao

et al. 2023

Front. Earth Sci.

Self Cite

View full text Add to dashboard Cite

show abstract

Establishment of the Corner Correlation Method and Its Application in Rock Dynamic Test

Cited by 1 publication

References 21 publications

Dynamic evolution and numerical analysis of rock deformation under impact failure based on corner correlation method

Dynamic evolution and numerical analysis of rock deformation under impact failure based on corner correlation method

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