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Influence of End Restraints on Strain Responses of Anisotropic Tuff During Triaxial Compression
In triaxial tests, the rock specimen is often assumed to have an axisymmetric elementary response. However, the axisymmetric condition of deformation...
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Triaxial Deformation of the Goldwyer Gas Shale at In Situ Stress Conditions—Part II: Viscoelastic Creep/Relaxation and Frictional Failure
To understand the geomechanical implications of long-term creep (time-dependent deformation) response of gas shale, short-duration creep was recorded...
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Revisiting the Evaluation of Hydraulic Transmissivity of Elliptical Rock Fractures in Triaxial Shear-Flow Experiments
• A novel numerical approach has been proposed to retrieve the hydraulic transmissivity of elliptical rock fractures in triaxial shear-flow...
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An Investigation on Failure Behaviour of a Porous Sandstone Using Single-Stage and Multi-stage True Triaxial Stress Tests
The deformational characteristics of a set of synthetic sandstones when subjected to true triaxial stress conditions were investigated in this study....
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Study on post-peak stress-seepage characteristics of limestone under triaxial cyclic loading and unloading conditions
In order to study the post-peak permeability evolution of limestone under triaxial cyclic loading and unloading conditions, this paper takes...
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Rock Stress Measurements for Unlined Pressure Tunnels: A True Triaxial Laboratory Experiment to Investigate the Ability of a Simplified Hydraulic Jacking Test to Assess Fracture Normal Stress
To avoid hydraulic failure of unlined pressure tunnels, knowledge of minimum principal stress is needed. Such knowledge is only obtainable from in...
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Triaxial mechanical properties and micro mechanism of fiber-modified cement soil
In order to explore the modification effect and its micro mechanism of polyester (PET) fiber on the mechanical behavior of coastal cement soil,...
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Experimental investigation on mechanical performance and failure modes of shale interbedded with sandstone under triaxial compression
The investigation of the mechanical and failure behavior of shale interbedded with sandstone is of scientific and engineering significance for shale...
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Rotation of the Stress Tensor in a Westerly Granite Sample During the Triaxial Compression Test
We simulated the spatiotemporal modelling of 3D stress and strain distributions during the triaxial compression laboratory test on a westerly granite...
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A Method to Correct Indirect Strain Measurements in Laboratory Uniaxial and Triaxial Compressive Strength Tests
When carrying out uniaxial, standard triaxial, or true triaxial compressive tests on rock, the strain response of the specimens can be measured...
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True polar wander in the Earth system
True polar wander (TPW), or planetary reorientation, is the rotation of solid Earth (crust and mantle) about the liquid outer core in order to...
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Experimental Study on Mechanical Behavior, Fracture Characteristics, and Acoustic Emission Damage Characteristics of Sandstone Under Triaxial Multistage Stress Disturbance
The instability failure of engineering rock mass is caused by the full development of cracks under the combined action of the surrounding rock stress...
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Experimental study on unloading failure characteristics and damage evolution rules of deep diorite based on triaxial acoustic emission tests
With the increasing depletion of shallow-earth mineral resources, deep mining will become the primary route of future mineral resources development....
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Experimental investigation on dynamic behavior of silt-rich fly ash using cyclic triaxial and bender element tests
The present study mainly focuses on the evaluation of dynamic properties of silt-rich fly ash from Renukoot, India, under large and small strain...
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Preliminary Study of the Opportunity to Predict Changes in Rock Samples Inner Structure Caused by Triaxial Loading Based on Stress–Strain Relationship
The paper presents a mathematical model for interpreting the stress–strain curve obtained from triaxial loading tests performed on cylindrical rock...
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Laboratory True Triaxial Hydraulic Fracturing of Granite Under Six Fluid Injection Schemes and Grain-Scale Fracture Observations
Laboratory hydraulic fracturing tests on cubic granite specimens with a side length of 100 mm were performed under true triaxial stress conditions...
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Strength and failure characteristics of jointed marble under true triaxial compression
The rock structure and three-dimensional stress state play a vital role in the mechanical behaviour of rock masses. Here, a series of true triaxial...
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Discrete Element Modeling of Permeability Evolution During Progressive Failure of a Low-Permeable Rock Under Triaxial Compression
Understanding permeability evolution caused by the nucleation, propagation and coalescence of cracks enables to better assess fluid migration in the...
