Numerical Simulation and Engineering Application of Temporary Stress Field in Coal Mine Roadway DOI Creative Commons
Heng Zhang,

Hongwei Ma,

Chuanwei Wang

et al.

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(23), P. 11420 - 11420

Published: Dec. 8, 2024

The imbalance between excavation and mining is significant as it restricts the efficient development of coal resources. Slow tunneling speed primarily due to inability concurrently conduct permanent support operations, temporary considered a key solution this problem. However, mechanism by which affects surrounding rock in unsupported are remains unclear, hindering assurance stability these areas determination reasonable span. To address issue, work proposed stress distribution model support, elucidating law forces within rock. By analyzing differences with without field characteristics were determined. Subsequently, evolution strain was analyzed concerning changes length, force, distance. results indicated that, although does not directly act on areas, still generates supportive them. maximum distance should exceed 3 m, there strong linear relationship optimal force Furthermore, length 17 m from tunnel face. successful application shield robot system verifies that can ensure confirming validity model. This research be used design optimize cutting parameters parameters, arrange equipment, processes achieve safe tunneling.

Language: Английский

Research on dynamic fuzzy prediction method for surrounding rock stability of mountain tunnels throughout the construction period DOI

Furui Dong,

Shuhong Wang, Yong Yang

et al.

Tunnelling and Underground Space Technology, Journal Year: 2025, Volume and Issue: 158, P. 106390 - 106390

Published: Jan. 15, 2025

Language: Английский

Citations

1
Adaptive drive-based integration technique for predicting rheological and mechanical properties of fresh gangue backfill slurry DOI Creative Commons
Chaowei Dong, Jianfei Xu, Nan Zhou

et al.

Case Studies in Construction Materials, Journal Year: 2025, Volume and Issue: unknown, P. e04346 - e04346

Published: Feb. 1, 2025

Language: Английский

Citations

1
Application of artificial intelligence in coal mine ultra-deep roadway engineering—a review DOI Creative Commons
Bingbing Yu, Bo Wang, Yuantong Zhang

et al.

Artificial Intelligence Review, Journal Year: 2024, Volume and Issue: 57(10)

Published: Aug. 19, 2024

The deep integration of computer field and coal mining is the only way to mine intellectualization. A variety artificial intelligence tools have been applied in open-pit shallow mines. However, with geometric increase demand, contradiction between supply demand becoming more serious, exploitation resources from layer (> 600 m) has become an inevitable trend. Well then, as a new engineering scene, harsh conditions "three high one disturbance" seriously threaten safety personnel. superposition complex environment makes number input factors sharply, which leads application roadway engineering. guidance not mature, construction various databases missing, there are still some problems universality applicability. To this end, paper starts introduction operating characteristics tools, conducts comprehensive study relevant high-level articles published top journals. It systematically sorts out research progress that successfully solved five directions rock mechanics strength, surrounding stability, rock-burst, roof fall risks micro-seismic events. While objectively evaluating performance different it also expounds its own views on key results. Literature review shows whether development tool or comparative model, ANN than 98%, performs extremely well direction stability risk, accuracy rate 90%. As most mature AI application, mechanical strength experienced process "SVM → DL XGBoost RF". dataset small samples (< 100) big 1000), R2 tree-based models can be stabilized at 95%. rock-burst prediction mainly focuses monitoring data. Whether sample large-scale data BN remains above 85%. evaluation events recent years. image processing CNN important. signal recognition classification accounts for 90%, potential source location needs further explored. In general, nature itself first choice almost all influencing factors. At same time, update iteration methods (micro-seismic, ground sound, separation, deformation, etc.) expands database, making possible obtain due threat life cost equipment, very difficult before. parameter selection method combining lithology conditions, geological will gradually research. Finally, follow-up work collation on-the-spot investigation, existing mines, explores engineering, puts forward focus challenging future, gives opinions.

Language: Английский

Citations

4
Hybrid CNN-MLP architecture data-driven airflow parameters perception in underground metal mine DOI
Wenxuan Tang, Qilong Zhang, Ling Li

et al.

Expert Systems with Applications, Journal Year: 2025, Volume and Issue: 279, P. 127441 - 127441

Published: April 6, 2025

Language: Английский

Citations

0
Prediction of blast-hole utilization rate using structured nonlinear support vector machine combined with optimization algorithms DOI
Bingbing Yu, Bo Wang, Yi Li

et al.

Applied Intelligence, Journal Year: 2024, Volume and Issue: 54(19), P. 9136 - 9157

Published: July 10, 2024

Language: Английский

Citations

0
Numerical Simulation and Engineering Application of Temporary Stress Field in Coal Mine Roadway DOI Creative Commons
Heng Zhang,

Hongwei Ma,

Chuanwei Wang

et al.

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(23), P. 11420 - 11420

Published: Dec. 8, 2024

The imbalance between excavation and mining is significant as it restricts the efficient development of coal resources. Slow tunneling speed primarily due to inability concurrently conduct permanent support operations, temporary considered a key solution this problem. However, mechanism by which affects surrounding rock in unsupported are remains unclear, hindering assurance stability these areas determination reasonable span. To address issue, work proposed stress distribution model support, elucidating law forces within rock. By analyzing differences with without field characteristics were determined. Subsequently, evolution strain was analyzed concerning changes length, force, distance. results indicated that, although does not directly act on areas, still generates supportive them. maximum distance should exceed 3 m, there strong linear relationship optimal force Furthermore, length 17 m from tunnel face. successful application shield robot system verifies that can ensure confirming validity model. This research be used design optimize cutting parameters parameters, arrange equipment, processes achieve safe tunneling.

Language: Английский

Citations

0