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Strength prediction model for water-bearing sandstone based on near-infrared spectroscopy
The strength of water-bearing rock cannot be obtained in real time and by nondestructive experiments, which is an issue at cultural relics protection...
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Electromagnetic radiation prediction of damage characteristics of water-bearing sandstone under cyclic loading and unloading
This study is aimed at revealing the effect of water on the damage and instability of sandstone under cyclic loading and unloading. To achieve this...
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Numerical investigation on the fatigue failure characteristics of water-bearing sandstone under cyclic loading
The strength of sandstone decreases significantly with higher water content attributing to softening effects. This scenario can pose a severe threat...
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Nonlinear Mechanical and 3D Rupture Morphology of Saturated Porous Sandstone Under True Triaxial Stress
In deep underground geotechnical engineering, water–rock interaction emerges as a critical factor influencing the stability of engineering rock...
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Evolution of Diagenetic Fluid of the Dawsonite-Bearing Sandstone in the Jiyang Depression, Eastern China
Based on the petrology, isotope geochemistry and fluid inclusions analysis, we established the evolutionary mode of the diagenetic fluid of...
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The Productivity Equation for Slanted Wells in Tight Water-Bearing Gas Reservoirs Considers Multiple Factors
As a highly potential unconventional natural gas resource, accurately evaluating the production capacity of tight sandstone gas reservoirs is of...
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Thawing and Softening of Frozen Sandstone by Microwave Irradiation
The strength and hardness of rock are much higher at freezing temperatures than at room temperature. This results in high excavation costs and low...
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Effect on the thermal conductivity inhomogeneity of clay-bearing sandstone subjected to drying–wetting process
Thermal conductivity of rock is one of the important parameters to understand the heat conduction process in interior of the earth. The study of the...
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Stress-Water Coupling Effects on Failure of Sandstone Based on Real-Time CT Technology
In rock engineering, the weakening effects of water on the stressed rock are nonnegligible. This paper studied the microstructure deterioration...
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An electrical conduction model for calcium-bearing shaly sandstone based on the effective medium Hanai-Bruggeman theory
The research on the effect of calcareous cementation on rock resistivity has been limited to qualitative analysis, while quantitative research has...
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Mechanical Damage Induced by the Water–Rock Reactions of Gypsum-Bearing Mudstone
The deterioration of the mechanical properties of gypsum due to water–rock reactions has attracted extensive attention in the areas of structural...
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Effect of water content on the mechanical properties and deformation characteristics of the clay-bearing red sandstone
The presence of water has a great influence on the strength and deformation of clay-bearing sandstone. Most of the natural rocks suffer water...
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Dynamic impact properties of deep sandstone under thermal-hydraulic-mechanical coupling loads
The deep rock mass within coal mines situated in a challenging environment are characterized by high ground stress, high geotemperature, high osmotic...
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Experimental investigation of the microstructural evolution of weakly cemented sandstone under seepage erosion
The coal-bearing strata in the Ordos Basin, China, formed in the Jurassic, and the associated sandstone aquifer is characterized by a short...
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Energy-Driven Damage Constitutive Model of Water-Bearing Coal Under Triaxial Compression
A theoretical basis for evaluating safety and stability of underground engineering is to study changes in rock strength and failure. In the process...
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Experimental study on pressure stimulated current response characteristics during damage evolution of water-bearing coal samples
The damage and rupture behavior of water-bearing coal induced by coal mining disturbance can lead to large-scale rock engineering instability and...
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Experimental Study on Mechanical and Strain Localisation Behaviour of Sandstone Under Seepage–Stress Coupling
In this study, the effects on the mechanical and seepage behaviour of sandstone were analysed using triaxial compression tests under various...
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Experimental study on mechanical behavior and permeability evolution of weakly cemented sandstone under unloading conditions
The excavation of underground engineering usually leads to the unloading of rock stress, causing stress concentration and resulting in the...
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Numerical simulation of the dynamic migration mechanism and prediction of saturation of tight sandstone oil
Quantitative characterization of tight sandstone oil migration and accumulation is an emerging research frontier in the field of oil and gas...
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Study on the Damage Mechanism and Energy Evolution Characteristics of Water-Bearing Coal Samples Under Cyclic Loading
In this study, cyclic loading–unloading experiments on coal samples with different moisture contents were conducted. The damage mechanism was...
