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Zonal disintegration phenomenon based on triaxial dynamic load test of hollow cylindrical sandstone specimens
In the process of deep roadway excavation, the zonal disintegration phenomenon of surrounding rocks has attracted a lot of attention from rock...
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Study on Tensile Strength and Damage Evolution Law of Sandy Mudstones with Different Sedimentary Ages in Dongsheng Coalfield in China
Sandy mudstones of various sedimentary ages are deposited in the Dongsheng Coalfield in China. Studying the tensile mechanical properties of these...
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Influence of tunnel axis stress on mechanical response and fracture characteristics of rock surrounding tunnel subjected to gradient stress
The excavation of deep underground engineering leads to a gradient stress within surrounding rocks in the radial direction of the tunnel. In this...
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Experimental Study on the Damage Characteristics and Fracture Behaviour of Rock-like Materials with Weak Interlayer Zones
To study the effect of the dip angle of the weak interlayer zone (WIZ) on the damage characteristics and fracture behaviours of rock-like samples, a...
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Influence of blasting disturbance on dynamic response and safety of deep tunnels
AbstractNumerical simulations were performed using a 2D particle flow code (PFC2D) to study the dynamic behavior of two deep buried tunnels subjected...
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A new empirical chart for coal burst liability classification using Kriging method
Coal burst is a catastrophic event that induced by a large variety of certainty and uncertainty factors, and many methods have been proposed to...
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Mechanical and damage evolution characteristics of granite after heating-cooling cycles
To explore the static mechanical and damage evolution characteristics of hot dry rock, groups of uniaxial compression test and Brazilian splitting...
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Variation characteristics of electric resistance in the quiet periods of acoustic emission of sandstone with different saturation
The existence of a quiet period in acoustic emission monitoring brings challenges to early warning of time-dependent rock failure. In order to...
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Acoustic emission precursors of static and dynamic instability for coarse-grained hard rock
To investigate the acoustic emission (AE) precursors of coarse-grained hard rock instability, an experimental study on the rockburst and slabbing...
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Intelligent hybrid model to classify failure modes of overstressed rock masses in deep engineering
Squeezing, slabbing, and strainburst are typical failure modes of overstressed rock masses in deep rock excavation engineering. This study considered...
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Applicability Analysis of Microseismic Technology in Tunnel Water Inrush Monitoring
Water inrush disaster is one of the most serious geological disasters in tunnel construction. There are still some problems in the existing...
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Dynamic failure characteristics of surrounding rocks under different lateral pressure coefficients in deep tunnel transient excavation
A novel transient unloading testing system was adopted to simulate the transient excavation of tunnels under different lateral pressure coefficients (
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Abnormal Precursory Information Analysis of the Infrared Radiation Temperature (IRT) before Sandstone Failure
To study the abnormal precursory information of rock before failure, uniaxial compression tests were carried out on sandstone specimens; meanwhile,...
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Mechanism of surrounding rock failure in impact stress and in-situ stress in circular tunnel
With depth increase of many mines, the damage of surrounding rock by high ground stress cannot be ignored under the blasting excavation method. In...
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An energy-based quantitative coal burst proneness rating system for development roadways
Coal burst is one of the principal hazards in development panels of underground coal mines. This study develops a practical approach to...
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Experimental investigation of the failure mechanism of deep granite under high seepage water pressure and strong unloading effect
For deep hard–brittle rock mass engineering in a complicated hydrogeological environment, deformation and damage of the surrounding rock during...
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Recent Advances of Rock Engineering and Communication Technologies
This paper takes a review of the advances of rock engineering and communication technologies, and the 2017 ISRM international symposium with the...
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Relationships between rock ultrasonic properties with loading stresses and challenges in deep mining
In-situ stress measurement is a key task in deep underground mining activities. An efficient stress measurement technique is important for...
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A Review of Advances in Triaxial Tests: Instruments, Test Techniques and Prospects
Triaxial test is approved to be the most suitable method for studying the mechanical properties of rocks and soils in lab. Through conventional...
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Mechanical properties of rocks anchored by constant resistance energy-absorbing material
Anchoring support using bolts and cables works together with rock masses to form an integrated anchoring system and jointly resists the energy...