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Mechanical behavior of rock-like specimens with 3D nonpenetrating and nonpersistent rough joints under uniaxial compression: experimental study
This study employs 3D printing and Digital Image Correlation technology to investigate rock-like specimens with nonpenetrating and nonpersistent...
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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...
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Micro-Fracturing in Granitic Rocks During Uniaxial Loading: The Role of Grain Size Heterogeneity
Laboratory loading experiments, in general, are used to estimate the mechanical properties of rocks. The application of acoustic emission (AE), a...
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Confined Tensile Testing of Porous Sandstone
The confined tension region of a failure surface, where both tensile and compressive normal stresses are present, is experimentally challenging to...
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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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A method to predict the peak shear strength of rock joints based on machine learning
In geotechnical and tunneling engineering, accurately determining the mechanical properties of jointed rock holds great significance for project...
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A heuristic approach to predict the tensile strength of a non-persistent jointed Brazilian disc under diametral loading
The mechanical response of rock bridges plays a key role in the stability of concrete and rock structures. In particular, the tensile failure of...
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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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An assessment on the correlations between uniaxial compression strength and point load index
Point load index (Is) has been commonly used for predicting uniaxial compressive strength of intact rocks (UCS) because Is is easy and quick test...
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Dynamic Split Tensile Strength of Basalt, Granite, Marble and Sandstone: Strain Rate Dependency and Fragmentation
The aim of this study is to understand the strength behaviour and fragment size of rocks during indirect, quasi-static and dynamic tensile tests....
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Tensile Strength and Fracture Surface Morphology of Granite Under Confined Direct Tension Test
The tensile strength of rock is a crucial parameter for the stability assessment and reinforcement design of rock engineering, which is commonly...
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Mechanical behaviors and damage constitutive model of pre-damaged and saturated granites under uniaxial compression
Excavation disturbance and groundwater actions can lead to initial damage in granites, posing a long-term stability threat to underground structures....
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Influence of wet–dry cycles on uniaxial compression behavior of fissured loess
The stability of slopes of China’s Loess Plateau, where fissured loess is abundant, is affected by wet–dry cycles. Uniaxial compression tests and the...
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Effect of cyclic loading-unloading on the mechanical anisotropy of coal under uniaxial compressive condition
To understand the mechanical anisotropy of coal disturbed by repeated excavations during the mining process, the cyclic loading-unloading process was...
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Characteristic Strength and Energy Evolution Law of Coal Treated by Ultrasonic Wave with Different Power Under Uniaxial Compression
Improving fissuring structures of low-permeability coal seams is crucial for enhancing coalbed methane (CBM) recovery. In this study, coal samples...
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New approach for assessing uniaxial compressive strength of rocks using measurement from nanoindentation experiments
The uniaxial compressive strength (UCS) of rocks is an essential input parameter for engineering design in mining and civil engineering. This...
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Application of Various Nonlinear Models to Predict the Uniaxial Compressive Strength of Weakly Cemented Jurassic Rocks
Weakly cemented rocks are distributed widely in Jurassic coal-bearing strata in western China. Their uniaxial compressive strength (UCS), as a...
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Prediction of Uniaxial Compressive Strength of Rock Via Genetic Algorithm—Selective Ensemble Learning
Reasonable and effective determination of uniaxial compressive strength (UCS) is critical for rock mass engineering stability research, design, and...
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Experimental analysis of the height–diameter ratio effect of rock energy under uniaxial cyclic loading–unloading conditions
The deformation-to-failure process of rock is accompanied by the dissipation and release of energy and is the result of the mutual conversion of...
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Determination of Dynamic Tensile Strength of Microwave-Induced Basalt Using Brazilian Test
Research on the dynamic tensile behaviour of microwave-irradiated rock is of great significance to microwave-assisted tunneling and mining. In order...
