Shengrong Xie
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View article: Development and Kinetic Study of Novel Denitrification Catalysts Based on C3H6 Reductant
Development and Kinetic Study of Novel Denitrification Catalysts Based on C3H6 Reductant Open
With the acceleration of industrialization, the demand for NOx abatement is becoming increasingly urgent. Finding safer and more stable reducing agent replacements and efficient catalysts is crucial for selective catalytic reduction (SCR) …
View article: A method for evaluating the stability of roadway surrounding rock based on a modified damage evolution characteristic model considering rock mass residual strength and 3D DEM
A method for evaluating the stability of roadway surrounding rock based on a modified damage evolution characteristic model considering rock mass residual strength and 3D DEM Open
View article: A sustained failure mitigation method for roadways in coal pillar recovery working faces of deep mines: excavated pressure-relieving roadways and combined support technology
A sustained failure mitigation method for roadways in coal pillar recovery working faces of deep mines: excavated pressure-relieving roadways and combined support technology Open
View article: Stress Bias Load Response of Different Roadway Layers in 20 m Extra-Thick Coal Seams
Stress Bias Load Response of Different Roadway Layers in 20 m Extra-Thick Coal Seams Open
To address the challenge of asymmetric deformation and failure in the surrounding rock of main roadways within extra-thick coal seams caused by level differences under intense mining disturbance, this study systematically analyzed the evol…
View article: Correction: Study on the Kinetic Behavior and Mechanism of Ilmenite Reduction with Starch
Correction: Study on the Kinetic Behavior and Mechanism of Ilmenite Reduction with Starch Open
View article: Grouting failure mechanism and new pre-grouting reinforcement technology of narrow coal pillar in fully-mechanized caving gob-side entry
Grouting failure mechanism and new pre-grouting reinforcement technology of narrow coal pillar in fully-mechanized caving gob-side entry Open
With the wide application of large machinery in coal mining, the influence of mine pressure is large and wide. Therefore, it is very important to retain and maintain the strength of coal pillars in the working face section. But the traditi…
View article: Research on Key Parameters and Engineering Experiments of Coal Gangue Slurry Filling Technology
Research on Key Parameters and Engineering Experiments of Coal Gangue Slurry Filling Technology Open
In this paper, a gangue grouting filling technology in goafs is proposed based on the dual requirements of not affecting the average production of tens of millions of tons of coal from mines and achieving the large-scale underground dispos…
View article: Mechanisms of Surrounding Rock Failure and Control Measures When Main Roof Fractures Directly Above Gob-Side Entry in Thick Coal Seam
Mechanisms of Surrounding Rock Failure and Control Measures When Main Roof Fractures Directly Above Gob-Side Entry in Thick Coal Seam Open
This study investigates the surrounding rock failure caused by the fracture line of the main roof above the gob-side roadway during fully mechanized top-coal caving mining in a 19 m thick coal seam. As mining progresses, stress concentrati…
View article: Study on hydration mechanism and ratio optimization of slag powder modified high-water material
Study on hydration mechanism and ratio optimization of slag powder modified high-water material Open
This study addresses the challenges of high costs, low residual strength, and underutilization of industrial waste in high-water filling materials. It explores the modification of these materials using high-activity slag powder. Key findin…
View article: Study on Surrounding Rock Control of Withdrawal Space in Fully Mechanized Caving Mining of a 19 m Extra-Thick Coal Seam
Study on Surrounding Rock Control of Withdrawal Space in Fully Mechanized Caving Mining of a 19 m Extra-Thick Coal Seam Open
The section span of the withdrawal space of fully mechanized top coal caving in an extra-thick coal seam is large, and with the gradual withdrawal of the hydraulic support, a series of strong dynamic pressure disasters occur in the withdra…
View article: Control Study on Surrounding Rock of Gob-Side Entry Retaining below near Distance Goaf
Control Study on Surrounding Rock of Gob-Side Entry Retaining below near Distance Goaf Open
To explore the control technology on surrounding rock of gob-side entry retaining (GSER) below a goaf in a near distance coal seam (NDCS), research was conducted on the floor ruin range, the floor stress distribution features, the layout o…
View article: Mechanism and key parameters of stress load-off by innovative asymmetric hole-constructing on the two sides of deep roadway
Mechanism and key parameters of stress load-off by innovative asymmetric hole-constructing on the two sides of deep roadway Open
Traditional dense large-diameter borehole stress load-off techniques reduce the stress levels in the shallow surrounding rock, weaken the bearing capacity of the shallow surrounding rock, and greatly deteriorate the shallow surrounding roc…
View article: Technology and engineering test of filling goaf with coal gangue slurry
Technology and engineering test of filling goaf with coal gangue slurry Open
View article: The J2 evolution model and control technology of the main roadway surrounding rock under superimposed influence of double-coal seam mining
The J2 evolution model and control technology of the main roadway surrounding rock under superimposed influence of double-coal seam mining Open
Under double-seam mining, the main roadway surrounding rock is affected by the superposition of the advanced stress of the two-seam coal working faces. The stress superposition mode and degree are of great significance to the width calcula…
View article: Coal Pillar Size Determination and Surrounding Rock Control for Gob-Side Entry Driving in Deep Soft Coal Seams
Coal Pillar Size Determination and Surrounding Rock Control for Gob-Side Entry Driving in Deep Soft Coal Seams Open
In response to the large-scale instability failure problem of designing coal pillars and support systems for gob-side entry driving (GSED) in high-stress soft coal seams in deep mines, the main difficulties in the surrounding rock control …
View article: Research on J2 Evolution Law and Control under the Condition of Internal Pressure Relief in Surrounding Rock of Deep Roadway
Research on J2 Evolution Law and Control under the Condition of Internal Pressure Relief in Surrounding Rock of Deep Roadway Open
In order to solve the support problem of deep soft crushed coal roadway, a concentrated cavern in a mining station of a mine is taken as the test object. Based on the analysis and summary of the field observation data and the law of rock p…
View article: Stability analysis and control technology of the sump-surrounding rock under a 1200-m-deep goaf: a case study
Stability analysis and control technology of the sump-surrounding rock under a 1200-m-deep goaf: a case study Open
View article: Study on the Stability of Coal Pillars in a Gob-Side Two-Entry Arrangement of Different Layers in Fully Mechanized Caving and the Zonal Linkage Control of “Heteromorphic” Surrounding Rock
Study on the Stability of Coal Pillars in a Gob-Side Two-Entry Arrangement of Different Layers in Fully Mechanized Caving and the Zonal Linkage Control of “Heteromorphic” Surrounding Rock Open
To solve the problem of considerable deformation of the tailgate in a fully mechanized caving face, the position of the main roof fracture line is first obtained by theoretical calculation, combined with the results of a similar simulation…
View article: Study on the Influence of the Strain-Softening of the Surrounding Rock with Buried Depth on Gas Extraction Boreholes
Study on the Influence of the Strain-Softening of the Surrounding Rock with Buried Depth on Gas Extraction Boreholes Open
The buried depth of coal seams in China gradually increases as shallow resources decrease. The purpose of this article is to reveal the effect of buried depth on gas extraction boreholes. Firstly, we analyzed the shortcomings of the Mohr–C…
View article: Analysis and verification of stress and plastic zone in surrounding rocks of hydraulic flushing borehole based on strain-softening
Analysis and verification of stress and plastic zone in surrounding rocks of hydraulic flushing borehole based on strain-softening Open
This study aimed to solve the problem ignored by previous research on hydraulic flushing gas extraction technology regarding the strain-softening of surrounding rock. Firstly, through the analysis of experimental data, previous studies hav…
View article: Control Mechanism and Support Technology of Deep Roadway Intersection with Large Cross-Section: Case Study
Control Mechanism and Support Technology of Deep Roadway Intersection with Large Cross-Section: Case Study Open
Conventional bolt–shotcrete support technology is usually single-layered, which does not meet the requirements of strength and stiffness for roadway support. Therefore, in this paper, new combined support technology, including a multiple-l…
View article: Study on the Effect of Strain-Softening on Permeability and Gas Pressure in Surrounding Rocks of a Hydraulic Flushing Borehole
Study on the Effect of Strain-Softening on Permeability and Gas Pressure in Surrounding Rocks of a Hydraulic Flushing Borehole Open
Hydraulic flushing gas extraction technology is gradually being applied in coal mines because it can effectively improve the gas extraction efficiency. This study aimed to explore the effect of strain-softening on permeability and gas pres…
View article: An innovative destressing technology and key parameters determination in both sides of a deep roadway
An innovative destressing technology and key parameters determination in both sides of a deep roadway Open
View article: [Effects of different puncture levels in bilateral percutaneous vertebroplasty on distribution of bone cement and effectiveness of osteoporotic thoracolumbar compression fractures].
[Effects of different puncture levels in bilateral percutaneous vertebroplasty on distribution of bone cement and effectiveness of osteoporotic thoracolumbar compression fractures]. Open
Bilateral percutaneous vertebroplasty in the treatment of osteoporotic thoracolumbar compression fractures can obtain good bone cement distribution and effectiveness when the puncture needle tips locate at different levels during operation…
View article: Application of Gob-Side Entry Driving in Fully Mechanized Caving Mining: A Review of Theory and Technology
Application of Gob-Side Entry Driving in Fully Mechanized Caving Mining: A Review of Theory and Technology Open
China has abundant coal resources, and the distribution of coal seams is complex. Thick coal seams account for more than 45% of all coal seams. Fully mechanized top coal caving mining has the advantages of large production, high efficiency…
View article: Influence of the ultra-fine fly ash dosages on the mechanical properties of the sulfoaluminate cement-based high water backfilling material
Influence of the ultra-fine fly ash dosages on the mechanical properties of the sulfoaluminate cement-based high water backfilling material Open
View article: Failure mechanism and divisional differentiated control of surrounding rock in mining roadway under remaining coal pillar in close‐distance coal seam
Failure mechanism and divisional differentiated control of surrounding rock in mining roadway under remaining coal pillar in close‐distance coal seam Open
Regarding the issue of intense mining pressure appearing in the underlying gateway below the remaining coal pillar in the close‐distance coal seam (the remaining coal pillar is perpendicular to the underlying section coal pillar), 401 work…
View article: New Technology of Pressure Relief Control in Soft Coal Roadways with Deep, Violent Mining and Large Deformation: A Key Study
New Technology of Pressure Relief Control in Soft Coal Roadways with Deep, Violent Mining and Large Deformation: A Key Study Open
Previous studies have shown that the influence of deep dynamic pressure on the surrounding rock control of a coal roadway is one of the difficulties in mine roadway support. Based on the investigation of the headgate 11231 in a coal mine, …
View article: Research on stability control of roadway intersections with nested variable cross-section in deep mine
Research on stability control of roadway intersections with nested variable cross-section in deep mine Open
In deep mines, it is pretty important to maintain the stability of surrounding rock of development roadway with long service life.However, there are often some problems, such as large deformation and support failure in the deep soft rock e…
View article: Study on the Influence and Control of Stress Direction Deflection and Partial-Stress Boosting of Main Roadways Surrounding Rock and under the Influence of Multi-Seam Mining
Study on the Influence and Control of Stress Direction Deflection and Partial-Stress Boosting of Main Roadways Surrounding Rock and under the Influence of Multi-Seam Mining Open
A large coal pillar (usually more than 90 m) is generally left in place to ensure the stability of main roadway groups, due to its long service lifespan, which commonly also causes a significant loss of coal resources. The design of the wi…