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Control of Large Deformations in Jointed Surrounding Rock Induced by Plastic Flow
The large deformations of jointed surrounding rock caused by excavation poses a significant challenge in tunnel construction. This work aims to...
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Deformation and Failure Mechanism of Surrounding Rock in Deep Soft Rock Tunnels Considering Rock Rheology and Different Strength Criteria
The long-term stability control of surrounding rock of deep high-stress soft rock tunnel has always been the research hotspot and difficulty of...
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Failure mechanism and control countermeasures of surrounding rock at deep large section chamber intersection in the Wanfu Coal Mine
In order to solve the problem of large deformation at the intersection of deep large section soft rock roadway, this paper takes the intersection of...
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Mechanism and surrounding rock control of gob-side entry formation passing through normal fault: a case study
Geological faults are widely distributed in stratum and have an important influence on underground mining. To increase the mining rate of coal...
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Research on Intelligent Coupling Control Technology Between Caving Hydraulic Support and Surrounding Rock
Based on the interaction between hydraulic support and surrounding rock, this paper considers that the coupling relationship between hydraulic...
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Research on the Control Technology and Key Parameters of External Anchor-Internal Unloading of Surrounding Rock During Gob-Side Entry Driving Under Severe Mining of 1000-m-Deep Mine
The continuous large deformation of the surrounding rock during gob-side entry driving in a 1000-m-deep mine requires frequent renovation of the...
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Mechanism and control technique for inhomogeneous deformation of rock surrounding a mining roadway
In a roadway affected by the superposition of in situ stress and mining-induced stress, inhomogeneous deformation and even roof accidents may occur....
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An approach to analyzing the reliability of tunnel surrounding rock rating results considering uncertainty
The geological environment of underground engineering is complex and full of various uncertainties, and ensuring the reliability of tunnel...
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Study on the Calculation of the Surrounding Rock Stress on Shield Tunnels in Rock Strata
Due to the differences in techniques between the shield method and the mining method, it is not appropriate to directly draw from the relevant...
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Inversion of Surrounding Rock Mechanical Parameters in a Soft Rock Tunnel Based on a Hybrid Model EO-LightGBM
The mechanical parameters of the surrounding rock are the critical factors considered in the design and construction of tunnels, especially soft rock...
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Microseismic Monitoring of Failure Mechanisms in Extra Thick Coal Seam Surrounding Rock
Fully-mechanized caving mining with a substantial mining height is inevitably accompanied by alterations in the surrounding rock, coal seam...
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Influence of Excavation Inner Diameter on the Unloading Deformation and Failure Characteristics of Surrounding Rock
The develo** trend in tunnel engineering is toward the expansion of the tunnel’s inner diameter, which is bound to affect the deformation of the...
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Resin Flow Characteristics and Anchoring Performance of Resin-Anchored Bolts in Soft and Broken Surrounding Rock
Resin distribution in a borehole is critical to the anchoring performance during resin-anchored bolt installation. The distribution characteristics...
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Influence of Bolts and Cables on Stability of Surrounding Rock of Bottom Drainage Roadway
In order to study the reinforcement effect of bolts and cables combined support on 7703 bottom drainage roadway, a three-dimensional numerical model...
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Determining the reasonable pillar width and surrounding rock control based on goaf compaction
The stress distribution and deformation of roadway surrounding rock at different pillar widths are investigated through theoretical calculation,...
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Roof cutting mechanism and surrounding rock control of small pillar along-gob roadway driving in super high coal seam
In view of the low recovery rate associated with wide coal pillar and the strong strata behavior associated with small coal pillar, the roof cutting...
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High Temperature Cracking Mechanism of Surrounding Rock Due to TC and CTE Heterogeneity
The portal section of a high-speed railway tunnel in southern China has been in a high-temperature state for a long time and is affected by...
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Instability Mechanism and Surrounding Rock Control Technology of Roadway Subjected to Mining Dynamic Loading with Short Distance: A Case Study of the Gubei Coal Mine in China
The severe deformation of surrounding rock and the easy failure of the anchoring structure of roadway under large dynamic pressure influence in the...
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Semi-analytical Study for Cylindrical Tunnels Reinforced by Bolt-Grouting in Elastic–Brittle–Plastic Surrounding Rock Considering Nonlinear Seepage
The bolt-grouting reinforcement method can reduce water inflow and reinforce the surrounding rock in a tunnel. However, analytical theories on...
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Study on Deformation Failure Mechanism and Control Technology of Surrounding Rock in Soft Rock Roadway
In order to reveal the mechanism of surrounding rock deformation and instability of soft rock roadway in 12# working face of Puhe coal mine, and...
