Tunnel entrance crossing spoil heap deformations control by micropile combine with coupling beams
March 2024
Aiming at the deformation control problem of the tunnel entrance crossing the spoil heap at the Xialao junction, this paper adopts the micropile combined with the coupling beams method to treat the...
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Development laws of geological hazards along urban highway in Southwest China and countermeasures for prevention and control
March 2024
China is a mountainous country with highly developed road geologic hazards, which pose a great threat to the construction and operation of highways, bridges, and tunnels and to the safety of people...
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Theoretical framework for stress relief-support reinforcement cooperative control of rock bursts in deep coal mining
March 2024
With the increasing depth of coal mining each year, rock burst has emerged as one of the most severe dynamic disasters in deep mining. The research status of rock burst prevention and control theory...
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Artificial intelligence in tunnel construction: A comprehensive review of hotspots and frontier topics
March 2024
Application of Artificial Intelligence (AI) in tunnel construction has the potential to transform the industry by improving efficiency, safety, and cost-effectiveness. This paper presents a comprehensive...
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A numerical simulation study on the evolutionary characteristics of the damage process of karst soil cavity under positive pressure effect
December 2023
Positive pressure effect is the result of rapid urban development in recent years, which leads to over-exploitation of karst groundwater, coupled with the emergence of extreme weather (such as heavy...
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Influence of cyclic dynamic disturbance on damage evolution and zoning effect of coal-rock under local static load constraint
December 2023
In order to obtain the characteristics of the effects of cyclic impact loading on the damage of coal-rock in the presence of a local static load constraint, the evolution of the damage factor and the...
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Monitoring and evaluation of disaster risk caused by linkage failure and instability of residual coal pillar and rock strata in multi-coal seam mining
December 2023
Comprehensive research methods such as literature research, theoretical analysis, numerical simulations and field monitoring have been used to analyze the disasters and characteristics caused by the...
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Coal and gas outburst prediction model based on principal component analysis and improved support vector machine
December 2023
In order to predict the coal outburst risk quickly and accurately, a PCA-FA-SVM based coal and gas outburst risk prediction model was designed. Principal component analysis (PCA) was used to pre-process...
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Stability analysis and grouting treatment of inclined shaft lining structure in water-rich strata: A case study
December 2023
The stability of inclined shaft lining structure (ISLS) in complex water-rich strata is affected by many factors, such as water pressure, joint, soft rock, lining corrosion and so on. The instability...
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Risk field assessment of longwall working face by the double-sided roof cutting along the gob
December 2023
In order to study the mechanism of the dual side roof cutting technology on the composite disaster of gas and coal spontaneous combustion in goaf, a model for the evolution of porosity and permeability...
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Comparison between bearing characteristics of pervious concrete pile composite foundations with different replacement ratios
September 2023
The replacement ratio is an essential factor in evaluating the bearing capacity characteristics of composite foundations. This study focuses on the bearing capacity of a pervious concrete pile with...
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Study of a damage constitutive model for water-bearing coal measures sedimentary rock with nonlinear deformation during compaction stage
September 2023
The problem of repeated immersion-induced fatigue damage in engineering coal measures sedimentary rock, including coal-rock pillars, reservoir bank slopes, and water-rich tunnels at the boundary of...
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Research on the effects of heating and cooling processes on the mechanical properties of yellow rust granite
September 2023
Geological hazards caused by high-temperature rocks cooling down after encountering water are closely related to underground mining and tunneling projects. To fully understand the impact of temperature...
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Simulation of electromagnetic high-frequency wave propagation processes in multilayer geo-structures
September 2023
The paper describes the research findings on georadar detection of hydraulic fractures in hydrocarbon reservoirs. Numerical and physical modeling enables studying effect exerted by the electromagnetic...
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Characterization and impact analysis of freezing and expansion disease of roadbed in seasonal freezing zone: A case of heavy railroads
September 2023
The freezing and expansion diseases of railroad roadbeds are prevalent in areas that experience seasonal freezing. This study aims to investigate the features of the freezing and expansion mechanism...
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Unloading-slippage mechanism of coal bump in gateroad of longwall
September 2023
Coal bump seriously threatens the safe and efficient mining of coal, and the research on the occurrence mechanism of coal bump is of great significance. The roadway coal bump accounts for 86.8% of the...
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Geomechanics model test research on large deformation control mechanism of roadway disturbed by strong dynamic pressure
June 2023
Comprehensive mechanized top-coal caving mining is one of the efficient mining methods in coal mines. However, the goaf formed by comprehensive mechanized top-coal caving mining is high, and the goaf...
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Prospect and research progress of detecting dynamic change in crustal stress by bedrock temperature
June 2023
A new method of detecting stress change by temperature (DSCT), has been recently proposed on the basis of the experimental results in laboratory, and verified by field observation. In this paper, at...
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