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View article: Innovative tensile strength comparison of spherical and disc specimens
Innovative tensile strength comparison of spherical and disc specimens Open
Accuracy of tensile strength is crucial for guiding the stable construction of rock engineering. In this study, a spherical specimen was used for testing tensile strength, and its results were compared with Brazilian split method. A numeri…
View article: Comparative study of temperature effects on white sandstone and rockburst-like materials
Comparative study of temperature effects on white sandstone and rockburst-like materials Open
Rockburst physical model test, as one of the important means to study deep tunnel engineering, reflects the main influencing factors of rockburst into the model test through similar theory, so as to reveal the formation mechanism, influenc…
View article: The Effect of Bedding Plane Angle on Hydraulic Fracture Propagation in Mineral Heterogeneity Model
The Effect of Bedding Plane Angle on Hydraulic Fracture Propagation in Mineral Heterogeneity Model Open
The bedding planes of unconventional oil and gas reservoirs are relatively well developed. Bedding planes directly interfere with hydraulic fracture expansion. Determining how bedding planes influence hydraulic fractures is key for underst…
View article: The Effect of Perforation Spacing on the Variation of Stress Shadow
The Effect of Perforation Spacing on the Variation of Stress Shadow Open
When the shale gas reservoir is fractured, stress shadows can cause reorientation of hydraulic fractures and affect the complexity. To reveal the variation of stress shadow with perforation spacing, the numerical model between different pe…
View article: Comparative Study on Mineral‐Scale Microcrack Propagation of Shale under Different Loading Methods
Comparative Study on Mineral‐Scale Microcrack Propagation of Shale under Different Loading Methods Open
Producing a sufficient volume of multiscale crack networks is key to enhancing recovery of shale gas. The formation of crack network largely depends on initiation and propagation of microcracks. To reveal the influence of different loading…
View article: Fracture Paths and Acoustic Emission Characteristics of Layered Brazilian Disc Specimens with Different Monolayer Thickness
Fracture Paths and Acoustic Emission Characteristics of Layered Brazilian Disc Specimens with Different Monolayer Thickness Open
The Brazil disk test is carried out for thin layered rock with different thickness by numerical simulation method, with the load and AE data of samples analyzed.The following are some findings: (1) When the thickness of a single layer of l…