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Microcracking Characterization in Tensile Failure of Hard Coal: An Experimental and Numerical Approach
Acoustic emission (AE) and particle flow code (PFC 3D ) are utilized to characterize microcracking nature in mode-I fracture of coal with strong...
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Direct Tensile Test and FDEM Numerical Study on Anisotropic Tensile Strength of Kangding Slate
A large amount of slates is distributed along Kangding No. 2 tunnel of Sichuan–Tibet Railway (China). The bedding of the Kangding slate is rich,...
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Quantitative Analysis on Tensile Mechanical Properties and Microscopic Characteristics of Acidified Limestone
The hard rock roof in coal mines is prone to failure, causing catastrophic disasters due to highly concentrated stresses. Acidification can...
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The influence mechanism of soil pore structure on spatial variability of soil water and nutrients in the mining-induced subsidence area of China northwest
The surface subsidence caused by coal mining in the aeolian sand area of China northwest has seriously affected the soil pore structure and...
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A Stratified NMR-Based Investigation of Spatial Evolution of Pore Structure in Sandstone After Cyclic Heating and Local Water Cooling
This investigation aimed at the effects of local water-cooling shock on the physical properties and analyzed the spatial evolution of pore structure...
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Modeling Brazilian Tensile Strength Tests on a Brittle Rock Using Deterministic, Semi-deterministic, and Voronoi Bonded Block Models
This study aims to numerically investigate how various common simplifications of grain structure representation in bonded block models affect...
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Response Mechanism of Dynamic Tensile Mechanics in Granite Under Microwave Irradiation: Insights from Experiments and Simulations
Microwave-assisted mechanical rock-breaking can effectively solve the problems of low efficiency of hard rock-breaking and severe wear and tear of...
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Combined effects of high temperature and lithology on the tensile mechanical damage and fracture surface morphology of reservoir rocks
Understanding the influence of high temperature on reservoir rocks is necessary for the repair and reinforcement of high-temperature rock...
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Effect of Heterogeneity in Micro-Structure and Micro-Strength on the Discrepancies Between Direct and Indirect Tensile Tests on Brittle Rock
Two methods (i.e., direct tensile test and the Brazilian test) are commonly adopted to measure the tensile strength of rock, but the tensile...
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The Applicability of Brazilian Test Loading with Different Platens to Measure Tensile Strength of Rock: A Numerical Study
The Brazilian test is extensively used to indirectly measure the tensile strength of rock. However, the Brazilian tensile strength (BTS) does not...
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Influences of Joint Persistence on the Compressive-Shear and Tensile-Shear Failure Behavior of Jointed Rock Mass: An Experimental and Numerical Study
The non-persistent jointed rock mass is prone to compressive-shear and tensile-shear failures. Tensile-shear failure has been studied less than...
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Evolution Law of Tensile-Shear Fracture and Deformation of Variously Shaped Roadways
To study the fracture evolution of variously shaped soft rock roadways under hydrostatic pressure, numerical simulations were performed using the...
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Microscopic Investigation of Rock Direct Tensile Failure Based on Statistical Analysis of Acoustic Emission Waveforms
Tensile strength is a vital mechanical property of rock and the deformation and failure process of rock under tension is of much significance in rock...
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Mechanical properties and fracture evolution process of Beishan granite under tensile state
Tensile properties are one of the most important types of rock properties. Direct tensile tests (DT), Brazilian splitting tests (BT), and uniaxial...
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Spatial uncertainty quantification of desiccation cracks in clays with limit state-adjusted linear elasticity
Periodic cycles of flood and drought are aggravated by global warming, thereby inducing critical desiccation cracks in soils. However, the estimation...
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Spatial and Slab Effects on Concrete Structures
Existing studies on concrete structures were mainly based on planar beam-column substructures due to laboratory capacity limitation. In typical...
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Study on The Difference of Pore-Fracture Structure Between High-Low Rank Coal under SEM And Its Influence on Development
The pore-fracture in coal rock is the space of accumulation and migration of coalbed methane, it is the key to affect the development of coalbed...
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Tensile Properties and Damage Evolution Laws of Granite After High- and Low-Temperature Cycles
Exploring the mechanical properties of granite at high temperature under the effects of low-temperature cooling media is of great significance for...
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Tensile Properties and Multiparameter Response Characteristics of Coal under Different Loading Rates
Coal and rock dynamic disaster is a major threat to coal mine safety worldwide. To further understand the tensile properties and multiparameter...
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Study on slope deformation partition and monitoring point optimization considering spatial correlation
Slope displacement prediction is an effective means to realize slope disaster early warning and prediction. The scientific and reasonable layout of...
