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Effect of Different Cooling Treatments on the Tensile Properties and Fracture Modes of Granite Heated at Different Temperatures
Brazilian tests and 3D fracture surface measurements were carried out on granite subjected to different temperatures (25, 100, 200, 300, and 400 °C)...
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Tensile strength of different types of limestone rocks in north of Iraq
Tensile strength (TS) of rocks is one of the fundamental parameters in design of civil engineering structures. Limestone rocks are abundant in Iraq,...
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Role of bedding plane in the relationship between Mode-I fracture toughness and tensile strength of shale
Shale exhibits strong anisotropy due to the sedimentary environment and pre-existing micro-fractures. It is of great significance to characterize the...
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Effects of a weak interlayer zone on the indirect tensile strength and failure characteristics of rock
Weak interlayer zones (WIZs) are widespread in rock masses. Due to their relatively poor mechanical properties, they poses a potential threat to the...
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Mechanical behavior of different sedimentary rocks in the Brazilian test
Mechanical behavior of the rock in tensile stress environment remains an unresolved problem in the underground mining, where surrounding rocks...
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Laboratory Shear Behavior of Tensile- and Shear-Induced Fractures in Sandstone: Insights from Acoustic Emission
The distinction between the shear behavior of tensile- and shear-induced fractures is critical to understanding the deformation and failure of...
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Effects of Test Temperature and Low Temperature Thermal Cycling on the Dynamic Tensile Strength of Granitic Rocks
This paper presents an experimental procedure for the characterization of the granitic rocks on a Mars-like environment. To gain a better...
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Progressive Transition from Extension Fracture to Shear Fracture of Altered Granite During Uniaxial Tensile Tests
A high degree of alteration causes swelling, disintegration and argillization of granite and thus weakens its physical and mechanical properties....
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Experimental investigation of the cementation and tensile properties of cement to formation interface considering surface irregularity and drilling mud residue
Cement sheath is an annular structure situated between casing and formation, which is designed to seal the formation and reinforce the borehole....
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Experimental and Numerical Studies on Small-Scale Direct Tension Test for Rock
The deformation and failure behaviors of rock play an important role in rock engineering, such as tunneling engineering, geothermal exploitation, and...
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Compressive and Tensile Strength Anisotropy of Friable Sandstone and Thin-Bed Shale of the Pleistocene Erin Formation: Insights for Safe Operating Mud Weight Windows for Vertical and Horizontal Wells
The compressive and tensile strengths are essential parameters used for determining the safe mud weight window (SMWW) during borehole drilling,...
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Correlation between the tensile to compressive strength ratio and mechanical parameters of rock based on a nonlinear M-C criterion
Compressive and tensile strengths are important mechanical properties of rock and are control parameters for the safety and stability analysis of a...
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Estimation of tensile and uniaxial compressive strength of carbonate rocks from well-logging data: artificial intelligence approach
The uniaxial compressive strength (UCS) and tensile strength (T0) are crucial parameters in field development and excavation projects. Traditional...
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Tensile strength of unsaturated coarse and fine-grained soils
Soils at the ground surface experience multiple cycles of drying and wetting. On drying, the soils experience shrinkage and cracks may appear. The...
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Deformation Field and Acoustic Emission Characteristics of Weakly Cemented Rock under Brazilian Splitting Test
Weakly cemented rocks are widely distributed in the Shendong Mining Area, and their mechanical properties and deformation characteristics have a...
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PFC2D-based investigation on the mechanical behavior of anisotropic shale under Brazilian splitting containing two parallel cracks
A validated particle flow code (PFC 2D )-based model was developed to investigate the indirect tensile mechanical behavior of shale containing two...
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Tensile behaviors of frozen subgrade soil
A series of radial splitting tests were conducted on frozen subgrade soil to systematically study the effects of sample size, temperatures, ice...
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Quantification of thermal damage and dynamic tensile behaviors of hard rock under microwave irradiation: an experimental investigation
Microwave-assisted hard rock breakage is a potential solution for exploitation of deeper resources. A series of ultrasonic non-destructive tests and...
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Experimental investigations on the tensile behaviour of granite after heating and water-cooling treatment
Thermal shock on tensile behaviour of granite is highly important for understanding of fracturing mechanism in hot dry rock. The effects of heating...
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Analysis about water influence and mechanism on mechanical behavior of Longmaxi outcrop shale through uniaxial/triaxial compressive test and SCB test
For better understanding the water influence on shale mechanical properties, the current research quantitatively studies the changes of mechanical...
