-
681
Gait and Stability Analysis of 3-PUU Wheel-legged Mobile Robot
Published 2018-01-01“…The robot can be used in the rescue tasks such as underground coal mines and other dangerous environments.…”
Get full text
Article -
682
Research on Mechanisms and Control Measures of Surrounding Rock Disaster in Large Section Roadway with Top Coal under the Influence of Tectonic Stress
Published 2021-01-01“…Based on the research background of large section roadway with top coal (LSRTC) in thick coal seam mining in Wangzhuang Coal Mine, Shanxi Province, China, catastrophe characteristics of the surrounding rock of the LSRTC were investigated and summarized. …”
Get full text
Article -
683
Study on Deformation and Failure Characteristics of Surrounding Rock of Overlying Roadway under Upward Mining in the Deep Mine
Published 2021-01-01“…To study the impact of mining of the lower protective layer on the deformation and failure characteristics of the upper roadway, these characteristics of an 879 gas drainage roadway were studied and analyzed during the mining of the II 1051 working face of the Zhuxianzhuang coal mine using similar simulation experiments and numerical simulation methods. …”
Get full text
Article -
684
Concept for evaluating the safety of a dynamically loaded gearbox reducer
Published 2025-01-01“…This article presents a concept for evaluating the safety of a dynamically loaded reducer, specifically built into a rotating excavator used in surface coal mines for its working wheel. The presented concept offers three ways to evaluate safety: according to factors of safety, according to operating parameters, and according to load capacity and loads. …”
Get full text
Article -
685
Investigations of Coal-Rock Parting-Coal Structure (CRCS) Slip and Instability by Excavation
Published 2021-01-01“…Slip and instability of coal-rock parting-coal structure (CRCS) subjected to excavation disturbance can easily induce coal-rock dynamic phenomena in deep coal mines. In this paper, the failure characteristics and influencing factors of CRCS slip and instability were investigated by theoretical analysis, numerical simulations, and field observations. …”
Get full text
Article -
686
Integrated Navigation Fusion Strategy of INS/UWB for Indoor Carrier Attitude Angle and Position Synchronous Tracking
Published 2014-01-01“…Finally, an indoor experiment platform is established to verify the integrated navigation theory of INS/UWB, which is geared to the needs of coal mine working environment. Static and dynamic positioning results show that the INS/UWB integrated navigation system is stable and real-time, positioning precision meets the requirements of working condition and is better than any independent subsystem.…”
Get full text
Article -
687
Constraining the Geochemical Fingerprints of Gases from the UK Carboniferous Coal Measures at the Glasgow Geoenergy Observatories Field Site, Scotland
Published 2023-12-01“…Usage of thermal energy contained in abandoned, flooded, coal mines has the potential to contribute to low carbon heating or cooling supply and assist in meeting net-zero carbon emission targets. …”
Get full text
Article -
688
-
689
-
690
Molecular Dynamics Simulation of CO<sub>2</sub>-ECBM Under Different Moisture Contents
Published 2025-01-01Get full text
Article -
691
Failure Mechanism and Control Technology of Thick and Soft Coal Fully Mechanized Caving Roadway under Double Gobs in Close Coal Seams
Published 2020-01-01“…In view of the above problems, taking the close coal seam mining in the Zhengwen Coal Mine as the engineering background, a theoretical calculation is used to obtain the loading of the step coal pillars and the slip line field distribution of the floor depth. …”
Get full text
Article -
692
Deformations and seepage-induced erosion of fractured rocks in fault under confined settings
Published 2025-01-01Get full text
Article -
693
The Research of the Influence on Stress below the Roadway Floor of the Coal Seam Becoming Thin
Published 2022-01-01“…Stress is the important factor of dynamic disaster in the coal mine. Stress is closely related with surrounding geological conditions. …”
Get full text
Article -
694
STUDY ON MECHANICAL CHARACTERISTICS AND VIBRATION CHARACTERISTICS OF TEMPORARY SUPPORT EQUIPMENT IN FULLY MECHANIZED MINING TUNNEL
Published 2016-01-01“…Using the Routh Hurwitz criterion as its dynamic stability judgment conditions,refer to the disturbance force mathematical model of commonly used in coal mine,combined with MATLAB and modern control theory,the vibration characteristics of the single support group of the advanced support equipment are simulated,and obtain the system dynamic response. …”
Get full text
Article -
695
Mechanism of Coal Seam Permeability Enhancement and Gas Outburst Prevention under Hydraulic Fracturing Technology
Published 2022-01-01“…In view of the high gas pressure and low permeability of deep coal seam, it is difficult to control gas, which affects the safety production of coal mine. The technical scheme of hydraulic fracturing to improve the permeability of coal seam is put forward, and the gas drainage technology is used to control the gas emission of coal seam. …”
Get full text
Article -
696
Zonal Disintegration Mechanism of Deep Rock Masses under Coupled High Axial Geostress and Blasting Load
Published 2018-01-01“…Taking the deep tunnel of Dingji coal mine in China as engineering background, the number and width of fracture zones are determined by deduced elastic stress field and modified Hoek-Brown criterion. …”
Get full text
Article -
697
Presplit Blasting Technique in Treating Hard Overlying Strata: From Numerical Simulation to Field Practice
Published 2021-01-01“…Then, the field practice in accordance with the determined parameters was carried out in Yuwu coal mine. The effectiveness of the presplit blasting technique was well verified when the microstructures of the surrounding rock were investigated. …”
Get full text
Article -
698
A Static Fracturing Technology to Enhance the Permeability of Coalbed: Mechanical Study
Published 2019-01-01“…Low permeability of coalbed has always been a main bottleneck impeding the safety production of coal mines and the high-efficient gas recovery. A static fracturing technology, relied on hydraulic-driving modules to expand outwards for producing artificial fissures in coalbed, is proposed here for coalbed reservoir stimulation. …”
Get full text
Article -
699
Study on Monitoring Rock Burst through Drill Pipe Torque
Published 2015-01-01“…The results are important for the forecast of rock burst in coal mine.…”
Get full text
Article -
700
Study on Seepage Simulation of High Pressure Grouting in Microfractured Rock Mass
Published 2021-01-01“…In coal mines, under high in situ stress and strong mining activity, roadway surrounding rock commonly contains large amounts of larger fractures and microfractures. …”
Get full text
Article