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Control Effect of Negative Poisson’s Ratio (NPR) Cable on Impact-Induced Rockburst with Different Strain Rates: An Experimental Investigation
Impact-induced rockburst hazards pose a severe threat to the construction safety of deep-buried, high-stress tunnels. Negative Poisson’s ratio (NPR)...
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Excess energy characteristics of true triaxial multi-faceted rapid unloading rockburst
Delayed rockburst experiments with different numbers of unloading surfaces (DNUS) were performed using an independently developed true triaxial...
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Experimental Investigation on Rockburst Energy Characteristics of True Triaxial Unloading in Sandstone Under High Stress
To explore the energy evolution characteristics of rockbursts and the mechanism of excess energy in rockbursts, a self-developed rockburst...
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Numerical Simulation of Rockburst Characteristics of Tunnel Surrounding Rock Under Dilatancy Effect
Rockburst is one of the most intense reactions in various instability phenomena of underground cavern surrounding rock, which seriously threatens the...
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Effect of moisture content on the rockburst intensity of sandstones
Rockburst is a common geological hazard in deep underground engineering, and it often occurs in strata consisting of brittle rocks. In this study,...
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Stiffness theory of rockburst: Research progress and trends
The stiffness theory of rockburst plays a crucial role in understanding and preventing rockburst events. This theory evaluates the severity of...
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Analysis on Rockburst Failure Energy Evolution of Model Specimen Under Stress Gradient
Rockburst is a safety problem that needs to be solved urgently in deep rock and mineral exploitation. The stress gradient is an important factor...
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Experimental Study on the Free-Face True-Triaxial Rockburst Test Considering the Influence of Joints
To investigate the influence of joints on the rockburst process in the surrounding rock of deep tunnels, a free-face true-triaxial test was conducted...
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Application of borehole camera technology in the identification of an instantaneous strain-structural-plane slip rockburst
The prediction of instantaneous strain-structural-plane slip rockbursts in deep-buried hard rock tunnels is a complex problem needing to be solved....
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Temperature effect of rockburst in granite caverns: insights from reduced-scale model true-triaxial test
To investigate the influence of thermal treatment on the rockburst in granite caverns, true-triaxial compression tests were conducted on pre-heated...
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Dynamic response mechanism and precursor characteristics of gneiss rockburst under different initial burial depths
To investigate the influence mechanism of geostress on rockburst characteristics, three groups of gneiss rockburst experiments were conducted under...
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True Triaxial Experimental Study on the Variation Characteristics of Rockburst with the Number of Fast Unloading Surfaces
The fast unloading delayed rockburst experiments on single-side, double-side, three-side, and four-side were carried out using the self-developed...
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Rockburst Intensity Grade Prediction Based on Data Preprocessing Techniques and Multi-model Ensemble Learning Algorithms
Rockburst is a mine dynamic disaster caused by the rapid release of elastic strain energy of surrounding rock. As the depth of engineering project...
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Characteristics and Precursor of Static and Dynamic Triggered Rockburst: Insight from Multifractal
To probe the difference between static-driven and dynamically triggered rockbursts, three types (static-driven rockburst, SDR; pulse-disturbance...
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Experimental investigation on pillar rockburst of true triaxial four-face rapid unloading under high stress
This study aimed to explore the effect of four-sided rapid unloading on delayed pillar rockbursts under high pressures. To this end, true triaxial...
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Rockburst prevention by microwave destressing: a numerical investigation
Rockbursts are a complex phenomenon characterized by a violent ejection of rock fragments from the free face of deep underground mines. Due to the...
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The occurrence mechanism and influencing factors of fault-slip rockburst
No method can simulate the stress wave generated by fault slip in the previous numerical simulation of fault-slip rock-burst. As a result, the...
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Exploration and Improvement of Fuzzy Evaluation Model for Rockburst
Rockburst is a highly destructive geological hazard that can cause casualties and equipment damage. To achieve high-accuracy discrimination of...
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Study on Warning Method for Fault Rockburst in Deep TBM Tunnels
Fault rockburst warning has always been challenging in deep tunnel engineering, and there is no quantitative warning method for deep tunnel boring...
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Occurrence mechanism and prevention technology of rockburst, coal bump and mine earthquake in deep mining
Rockburst, coal bump, and mine earthquake are the most important dynamic disaster phenomena in deep mining. This paper summarizes the differences and...
