This paper covers the entire lifetime of an underground coal mine,including the start-up of the mining oper-ations and t......

In the article the results of measurements of the resultant force in th e legs of a powered roof support unit, caused by......

The prediction of methane emissions into planned longwalls becomes more and more important in conditions of increasing o......

Enhancement of productivity optimization is steadily gaining the priority in mining companies especially in the undergro......

This paper presents the results of a unique study conducted by the National Institute for Occupational Safety and Health......

There were 37 longwall faces operating in mines in the United States in 2019.The average panel width for these longwalls......

The spatiotemporal analysis of seismic zones characterised by the scattering and accumulation of strain energy in the ro......

Longwall gateroad entries are subject to changing horizontal and vertical stress induced by redistribution of loads arou......

Surface subsidence that results from longwall mining can be large magnitude and can affect significant areas. Convention......

One of the most common critical areas of longwall mining in terms of ground stability are the gateroad and bleeder entri......

Accumulation of float coal dust (FCD) in underground mines is an explosion hazard that affects all under-ground coal min......

Underground coal mining is inherently hazardous, with uncontrolled ground failure regarded as one of only several critic......

One of the most common critical areas of longwall mining in terms of ground stability are the gateroad and bleeder entri......

Longwall gateroad entries are subject to changing horizontal and vertical stress induced by redistribution of loads arou......

Surface subsidence that results from longwall mining can be large magnitude and can affect significant areas.Conventiona......

Accurately estimating load distributions and ground responses around underground openings play a significant role in the......

Longwall mining has existed in Utah for more than half a century.Much of this mining occurred at depths of cover that si......

Longwall mining continues to remain the most efficient method for underground coal recovery. A key aspect in achieving s......

While the fully-mechanized longwall mining technology was employed in a shallow seam under a room mining goaf and overla......

Longwall Top Coal Caving has been considered as one of the most effective technologies for the extraction of underground......

This paper reviews the development of U.S.longwall mining from an unknown to became the world standard in the past five ......

A new approach for prediction of face advance rete (FAR) prior to mining operation and determination of the operation ef......

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Most, if not all longwall gob areas accumulate explosive methane-air mixtures that pose a deadly hazard to miners. Numer......

Surface subsidence is a typical ground movement due to longwall mining, which causes a series of environmentalproblems a......

Irregular shape workface would result in the presence of coal pillar,which leads to high stress concentration and possib......

Understanding the cantilevers formed by thick,massive beds in the near-seam overburden above longwall panels and the ass......

Rockburst represents a very dangerous phenomenon in deep underground mining in unfavourable conditions such as great dep......

A numerical-model-based approach was recently developed for estimating the changes in both the horizontal and vertical l......

As longwall tailgate support technologies continue to be developed and improved,strata worldwide has worked to design an......

This paper explores the ongoing development and implementation of longwall automation technology to achieve greater leve......

Several questions have emerged in relation to deep cover bleeder entry performance and support loading:how well do curre......

The spatiotemporal analysis of seismic zones characterised by the scattering and accumulation of strain energy in the ro......

浅埋长壁综采工作面矿压控制技术的有效应用，可以保证长壁综采工作面安全和稳定性，确保开采工作的顺利开展，提高煤矿开采量和开采效率......

This study presents a novel approach using theoretical analysis to assess the risk of rock burst of an island longwall p......

In the article the results of measurements of the resultant force in the legs of a powered roof support unit, caused by ......

The case study describes longwall coal seam A in a hard coal mine,where longwall coal face stability loss and periodic r......

Effective surrounding rock control is a prerequisite for realizing safe mining in underground coal mines.In the past thr......

Coal mine longwall gateroads are subject to changing loading conditions induced by the advancing longwall face. The grou......

Coal mine longwall gateroads are subject to changing loading conditions induced by the advancing longwall face. The grou......

Roof falls in longwall headgate can occur when weak roof and high horizontal stress are present. To prevent roof falls i......

Quantitative analysis of mine-wide subsidence at the kilometer scale and details of stress distribution about an advanci......

本文以现场实测、实验和工程实践的成果为基础。从顶板控制设计和老顶来压预报的角度出发，对老顶的结构形式进行了研究。主要结论如......

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Spontaneous combustion of residual coal in longwall goaf is a long standing hazard.Airflow leakage into goaf is a major ......

A comprehensive monitoring program was conducted to measure the rock mass displacements,support response,and stress chan......

This paper presents the results of a 2017 study conducted by the National Institute for Occupational Safety and Health(N......

Understanding the characteristics of drawing body shape is essential for optimization of drawing parameters in longwall ......

Underground gassy longwall mining goafs may suffer potential gas explosions during the mining process because of the irr......