Search
Search Results
-
Improving the Accuracy of Fracture Toughness Measurement in Burst Experiments
Experimental studies suggest that the fracture toughness of rocks increases with the confining pressure. Among many methods to quantify this...
-
Experimental Study on Rock Failure Characteristics of Ejective Rock Burst Based on Energy Compensation
Rock burst is a typical type of dynamic geological disaster in the process of underground engineering excavation under high in-situ stress. Based on...
-
Experimental study on the influence of intermediate principal stress on failure characteristics of strain rock burst for granite
During the excavation process of deep underground engineering, investigating the effect of the redistribution of radial surrounding rock stress field...
-
Influence of sea-land breeze on the formation and dissipation of severe dense fog and its burst reinforcement in the Yellow Sea coastal area, China
Based on the global reanalysis data of the National Centers for Environmental Prediction (NCEP)/National Center for Atmospheric Research, the surface...
-
Influence of Water Content on Energy Partition and Release in Rock Failure: Implications for Water-Weakening on Rock-burst Proneness
As a common disaster in deep-buried hard rock engineering projects, rock-bursts seriously threaten the safety of workers and facilities. Water...
-
A New In Situ Test for the Assessment of the Rock-Burst Alarm Threshold During Tunnelling
Rock-burst is one of the most serious risks associated with hard rock tunnelling and mining at high depths. Monitoring of acoustic emissions emitted...
-
Error calibration for kinetic energy of rock burst ejected fragments based on the binocular high-speed photography system
In this study, for investigating the measured error for kinetic energy of the rock burst ejected fragments by the binocular high-speed photography...
-
Numerical study on the influence of fault orientation on risk level of fault slip burst disasters in coal mines: a quantitative evaluation model
The orientation of the fault is significant for interpreting the stress and energy fields of fault pillars and explaining the occurrence of...
-
Surrounding rock effect on coal burst under unloading condition: a numerical study
In the coal burst induced by excavation, the burst body is not a closed system because the surrounding rock (the roof and the floor) can work on it....
-
Rock burst initiation and precursors in a model specimen based on acoustic emission and infrared monitoring
Theoretical analysis of the mechanical factors that cause the different failure modes of surrounding rocks laboratorial model tests was carried out...
-
On the Mechanism of a Terrain-Influenced Snow Burst Event during Midwinter in Northeast China
Short-duration snow bursts with heavy snow represent one type of hazardous weather in winter which can be easily missed by the winter weather...
-
An Investigation on the Bursting Liability of Oxidized Coal and the Coupling Mechanism of Rock Burst and Spontaneous Combustion
After rock burst and spontaneous combustion, a coal seam is exposed, and this form of compound disaster shows new characteristics. Therefore, basic...
-
Experimental Study on Strain Burst Characteristics of Sandstone Under True Triaxial Loading and Double Faces Unloading in One Direction
In this study, a new strain burst test system was used to conduct two types of strain burst experiments by rapidly unloading single and double faces...
-
Two-dimensional turbulent burst examination and angle ratio utilization to detect scouring/sedimentation around mid-channel bar
River morphological dynamics are complex phenomena in natural and environmental flows. In particular, the sediment transport around braid mid-channel...
-
The Effect of Materials Structure on the Features of Fracture Process in Rocks: Discrete Elements Modeling and Laboratory Experiment
Abstract —A computer model of fracture in heterogeneous materials (including rocks) is proposed to study evolution of the defect structure (cracks)...
-
A systematic analysis method for rock failure mechanism under stress unloading conditions: a case of rock burst
The aim of this study was to develop a systematic method to analyze the rock failure mechanism under stress unloading conditions. In this method,...
-
Optimizing Blasting Schemes: A Comprehensive Approach through Macro–Micro Simulation and Field Experiment
The contour sha** effect of hard granite tunnels is relatively unsatisfactory, and the research on the influence of various blasting parameters on...
-
Sensitivity of some sweet cherry (Prunus avium L.) cultivars to late spring frosts during different phenological stages following bud burst
Sweet cherry ( Prunus avium L.) is one of the economically important fruit crops worldwide. However, late spring frosts occurring in some years can...
-
Rock burst criterion based on clay mineral content
This study aims to establish a criterion for rock burst based on clay mineral content (CMC). A classification system for rock burst intensity is...
-
Characteristics of temporal variability of long-duration bursts of high-energy radiation associated with thunderclouds on the Tibetan plateau
From 1998 to 2017, neutron monitors located at an altitude of 4300 m on the Tibetan plateau detected 127 long-duration bursts of high-energy...
