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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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Instability mechanism and energy evolution of surrounding rock at intersections of deep multi-form application
As mining progresses into deep strata, severe damage occurs at various long-life roadway intersections. To guide targeted repair and reinforcement...
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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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Analysis of Stress Evolution Characteristics of Surrounding Rock in Deep-buried Tunnels Crossing Fault Zone
The frequent geological movements lead to the widespread development of fault zones, which will wreak havoc on the safety of deep tunneling. To...
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Theoretical analysis of grouting reinforcement of surrounding rock with strength drop in deep chamber
Excavation disturbance of deep chamber can easily cause the broken and deterioration of surrounding rock, bringing hidden danger to construction...
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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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The J2 evolution model and control technology of the main roadway surrounding rock under superimposed influence of double-coal seam mining
Under double-seam mining, the main roadway surrounding rock is affected by the superposition of the advanced stress of the two-seam coal working...
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Blasting profile evaluation of sand-mud interbedded surrounding rock during the large-span tunnel construction
The sand-mud interbedded surrounding rock contains discontinuities, such as horizontal bedding, joints, weak planes and weak interlayers. Drilling...
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Theoretical analysis of anchorage-seepage coupling effect of the surrounding rock stability in deep buried abandoned chambers
How to ensure the safety of abandoned mine resources, scientifically develop and utilize abandoned mine resources, and promote the transformation of...
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Parameter Identification of Surrounding Rock in Underground Engineering Based on Complex Function Theory
To investigate the potential use of the complex function theory in displacement back analysis, a novel method for parameter identification is...
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Study on the Stability of Tunnel in Weak Surrounding Rock Considering Initial Support Parameters and Excavation Method
The deformation control of surrounding rock is a crucial aspect in the design and construction of tunnels that traverse weak geological formations....
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Study on correlation between TBM tailings gradation and granitic gneiss surrounding rock stability
In the process of double-shield TBM excavation, it is difficult to directly observe and test the characteristics of the surrounding rock. In this...
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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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Influence of Rock Inclination on the Relaxation and Deformation of the Surrounding Rock in Underground Chambers
In this paper, a generalized model of underground refuge is established with the size of a typical pumped storage power plant, and the values of rock...
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Analysis of interaction mechanism between surrounding rock and supporting structures for soft-rock tunnels under high geo-stress
Due to the extremely complex load distribution form and evolution law of soft-rock tunnels under high geo-stress, there has been a long-term lack of...
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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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Anchorage performance of a new rebar bolt under different surrounding rock strength and borehole depth
The theory and technology of rock bolting are fundamental research topics for strata control in civil and mining engineering. Rebar bolts are...
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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...
