Ruifu Yuan
YOU?
Author Swipe
View article: Layout optimization of long horizontal boreholes to improve gas extraction efficiency through mathematical models and numerical simulations
Layout optimization of long horizontal boreholes to improve gas extraction efficiency through mathematical models and numerical simulations Open
Coal mining causes strata fractures and emissions of coal seam gas, posing a serious threat to safety mining along with gas migration within the fractures. Layout of long horizontal boreholes (LHBs) for gas extraction can reduce safety haz…
View article: Detection and Monitoring of Volatile Organic Compounds (VOCs) via the Use of Engineered Chemical Sensors: An Underexplored Tool for Safeguarding Crop Health and Quality
Detection and Monitoring of Volatile Organic Compounds (VOCs) via the Use of Engineered Chemical Sensors: An Underexplored Tool for Safeguarding Crop Health and Quality Open
The composition and concentrations of volatile organic compounds (VOCs) released from plants change in response to biotic and abiotic conditions because their metabolic/physiological processes adjust to manage stress and ensure fitness, su…
View article: Multiple plasma metal exposures and incident anemia in middle-aged and elderly individuals: The Dongfeng-Tongji cohort
Multiple plasma metal exposures and incident anemia in middle-aged and elderly individuals: The Dongfeng-Tongji cohort Open
Anemia is a global health concern. However, prospective studies on the relationships between multiple metal exposures and incident anemia remain limited. This study included 3928 participants from the Dongfeng-Tongji cohort. Using the gene…
View article: Crushing Removal Conditions and Experimental Research on Abrasive Water Jets Impacting Rock
Crushing Removal Conditions and Experimental Research on Abrasive Water Jets Impacting Rock Open
This paper describes the complex process of rock crushing removal by AWJ impact from the microscopic perspective. The acceleration and deceleration mechanism of abrasive particles throughout the whole process of single abrasive particles i…
View article: Surface movement monitoring and dynamic prediction system based on the optimized Knothe time function
Surface movement monitoring and dynamic prediction system based on the optimized Knothe time function Open
Aiming at the engineering application problem that software development for surface subsidence prediction induced by coal mining lags behind the optimization of prediction models, this study established a dynamic prediction model for surfa…
View article: Research on Grouted Steel Pipe Supports Roof Cutting and Gob‐Side Entry Retaining Support Technology for Fully‐Mechanized Caving Face
Research on Grouted Steel Pipe Supports Roof Cutting and Gob‐Side Entry Retaining Support Technology for Fully‐Mechanized Caving Face Open
Aiming at the roof control challenges of gob‐side entry retaining in fully mechanized top‐coal caving faces, traditional concrete‐filled steel tube (CFST) support technology exhibits limitations such as slow strength development and comple…
View article: SCA Fracturing Mechanisms of Rock Mass and Application in Overhanging Roof Structure Fragmentation of Mine Goaf
SCA Fracturing Mechanisms of Rock Mass and Application in Overhanging Roof Structure Fragmentation of Mine Goaf Open
During coal resource mining, hard roof mining is prone to causing rock-burst disasters because traditional blasting–cutting roof technology has the disadvantages of low efficiency and high cost. This article studies the theoretical basis a…
View article: Time effect of elastic energy release of surrounding rock and evaluation method of reasonable advancing speed
Time effect of elastic energy release of surrounding rock and evaluation method of reasonable advancing speed Open
To reveal the rock burst mechanism, the stress and failure characteristics of coal-rock strata under different advancing speeds of mining working face were explored by theoretical analysis, simulation, and engineering monitoring. The relat…
View article: Rock Fracturing Characteristics and Roadway Expansion Application of Static Crushing Agent under Multi-Row Drilling Condition
Rock Fracturing Characteristics and Roadway Expansion Application of Static Crushing Agent under Multi-Row Drilling Condition Open
Static crushing agent (SCA) offers advantages such as good safety, no harmful gases, and minimal vibration, making SCA ideal for rock crushing in mines or underground engineering. To scientifically implement the section expansion of mine r…
View article: Study on the effective drainage range of long horizontal borehole for goaf gas drainage
Study on the effective drainage range of long horizontal borehole for goaf gas drainage Open
Laying long horizontal borehole (LHB) in mining‐induced strata fractures for coal‐bed gas drainage in the goaf is a pivotal method for eliminating safety hazards, preventing atmospheric pollution, and realizing gas utilization. A crucial p…
View article: Design of a Tunnel Anchor Monitoring System Based on Long Short-Term Memory–Autoregressive Integrated Moving Average Prediction
Design of a Tunnel Anchor Monitoring System Based on Long Short-Term Memory–Autoregressive Integrated Moving Average Prediction Open
Considering the shortcomings of the current monitoring system for tunnel anchor support systems, a tunnel anchor monitoring system based on LSTM-ARIMA prediction is proposed in this paper to prevent the deformation and collapse accidents t…
View article: Distributed High-Density Anchor (Cable) Support Force Monitoring System Research
Distributed High-Density Anchor (Cable) Support Force Monitoring System Research Open
In shaft mining, monitoring the deformation of the roadway due to mining pressure is of great significance to the safe production of coal mines. For this reason, a distributed high-density anchor (cable) support force monitoring system was…
View article: A new method for layout layer optimization of long horizontal boreholes for gas extraction in overlying strata: A case study in Guhanshan coal mine, China
A new method for layout layer optimization of long horizontal boreholes for gas extraction in overlying strata: A case study in Guhanshan coal mine, China Open
The gases released by underground coal mining pose a threat to mine safety, lead to resource wastage, and contribute to environmental pollution. Employing long horizontal boreholes (LHB) for gas extraction proves to be an effective solutio…
View article: Rock-cutting ability and field application research of a novel slurry abrasive water jet cutting system
Rock-cutting ability and field application research of a novel slurry abrasive water jet cutting system Open
The abrasive water jet (AWJ) is an innovative technology employed in underground engineering to enhance the stability of surrounding rock, facilitate unconventional oil and gas development, and rock breaking in tunnel engineering. However,…
View article: Simulation and On-Site Detection of the Failure Characteristics of Overlying Strata under the Mining Disturbance of Coal Seams with Thin Bedrock and Thick Alluvium
Simulation and On-Site Detection of the Failure Characteristics of Overlying Strata under the Mining Disturbance of Coal Seams with Thin Bedrock and Thick Alluvium Open
When mining deep coal seams with thin bedrock and thick alluvium, the collapse and fracture of thin bedrock layers may cause geological disasters, such as water inrush and sand inrush of the mining face. Comprehensively obtaining the respo…
View article: Prevention of Blowout Tests in Large-Diameter Boreholes with Soundless Chemical Demolition Agents and Fracturing Characteristics of Hard Sandstones
Prevention of Blowout Tests in Large-Diameter Boreholes with Soundless Chemical Demolition Agents and Fracturing Characteristics of Hard Sandstones Open
Increasing the diameter of the drillhole can facilitate drillhole breakage using soundless chemical demolition agents, but it is prone to cause drillhole blowout, resulting in crushing failure. This paper conducted a blowhole prevention te…
View article: An intelligent monitoring method of underground unmanned electric locomotive loading process based on deep learning method
An intelligent monitoring method of underground unmanned electric locomotive loading process based on deep learning method Open
The intelligent monitoring of electric locomotive loading is crucial in unmanned underground systems. A CNN-based monitoring scheme with migration learning was proposed to address efficiency, abnormality, and data acquisition challenges. L…
View article: Optimization of the Drawing Process of Low–Middle-Thickness Top Coal Based on a Simulation
Optimization of the Drawing Process of Low–Middle-Thickness Top Coal Based on a Simulation Open
Based on a theoretical analysis and simulation, the automated drawing characteristics for low–middle-thickness top coal are investigated, and the drawing process of top coal is optimized. For top coal with a 3 m thickness, a comparison is …
View article: Research Progress in Abrasive Water Jet Processing Technology
Research Progress in Abrasive Water Jet Processing Technology Open
Abrasive water jet machining technology is an unconventional special process technology; its jet stream has high energy, and its machining process is characterized by no thermal deformation, no pollution, high applicability, and high flexi…
View article: Research on IMU-Assisted UWB-Based Positioning Algorithm in Underground Coal Mines
Research on IMU-Assisted UWB-Based Positioning Algorithm in Underground Coal Mines Open
The application of an ultra-wideband (UWB) positioning system in a Global Positioning System (GPS) denial environment such as an underground coal mine, mainly focuses on position information and rarely involves information such as directio…
View article: Optimization method of unequal area dynamic facility layout under fixed-point movement strategy
Optimization method of unequal area dynamic facility layout under fixed-point movement strategy Open
To address the unequal-area dynamic facility layout problem (UA-DFLP), an optimization method of dynamic facility layout under fixed-point movement strategy was proposed in this paper. Firstly, mathematical models of dynamic facility layou…