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Research on the Enlargement of Stope Span Based on the Pre-stressed Expandable Pillar Support Technology
In order to improve the production capacity and efficiency of orebodies, the stope span enlargement with the overhand drift-and-fill mining method...
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Dynamic Evolution and Identification of Bed Separation in Overburden During Coal Mining
Bed separation’s evolution plays a crucial role in mining safety. Accurate identification of bed separation location is necessary to prevent...
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Field and Simulation Studies for Mechanised Depillaring below Incompetent Geological Formations of an Indian Coal Mine
A fully mechanised mining method using continuous miner (CM) for pillar extraction in single-pass is introduced in the year 2010 at Pinoura Mine of...
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Study on the Effect of Bolt Anchorage in Deep Roadway Roof Based on Anchorage Potential Design Method
Based on the analysis of bending damage of roadway roof, a design method of roof bolting support by using anchorage potential design method is put...
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Analytical Study on the Stability of Longwall Top Coal Caving Face
Longwall face instability is a critical geotechnical issue in the operation of longwall with considerable mining height and significant caving...
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Reliability Analysis of Rock Supports in Underground Mine Drifts: A Case Study
Support failures in mine drifts represent potential hazards that threaten underground mine safety and productivity. The aim of this study is to...
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Laboratory Study on the Application of Reciprocating Multi-stage Reaming Drilling for Horizontal Wells in Tectonically Deformed Coal Seams
The formation of boreholes in tectonically deformed coal (TDC) seams is challenging, hindering the efficient exploitation of coalbed methane (CBM)...
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Research on the Surrounding Rock Control Technology of Gob-Side Entry with a Narrow Coal Pillar Reserved in a Fully Mechanized Caving Face with Large Mining Height
II946 working face of Luling Coal Mine in Huaibei Coal Industruy Group was taken as research background to study the problems of roadway driven in...
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A case study of the failure mechanism analysis and support design of a tailrace tunnel in a weak fracture zone containing expansive minerals
Large deformation and support failure of a tunnel with poor lithology, which significantly threaten the stability of the tunnel, have always been...
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Destructive impact of successive high magnitude earthquakes occurred in Türkiye’s Kahramanmaraş on February 6, 2023
Two successive earthquakes with moment magnitudes of M w = 7.7 (focal depth = 8.6 km) and M w = 7.6 (focal depth = 7 km) occurred approximately within...
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Failure mechanism and control technology of large deformation for Muzhailing Tunnel in stratified rock masses
Deep tunnels in soft rock with high in situ stresses always exhibit large deformations. A case study in the Muzhailing Tunnel was carried out to...
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Creep Behaviour of Alpine Salt Rock and the Influence of Insoluble Residues in Solution Mining
In Austrian salt mining, brine is won by way of solution mining with the borehole well method. The Alpine salt rock (Haselgebirge) consists of a high...
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Exploring the Deformation Mechanics of Coal Ribs Using the Distinct Element Modeling Approach
Understanding coal rib geomechanics is essential for improving rib stability and eliminating fatality and injury trends due to rib failures. There...
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Assessing Long-Term Excavation Damage in Switzerland’s Bedretto Adit: A Field Investigation in the Northern Section
The Bedretto adit, in the Alps of Switzerland, was excavated in 1972–1982 as an auxiliary adit for the main Furka Base Tunnel. The adit is 5218 m...
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Movement and deformation characteristics of overlying rock mass in deep coal seam
The 110 mining method is an innovative and useful coal mining technology. It mainly relies on two technologies to improve coal mining rate: Top...
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Implications of building code enforcement and urban expansion on future earthquake loss in East Africa: case study—Blantyre, Malawi
Rapid and uncontrolled urbanisation in many parts of Africa is a significant driver of earthquake risk. New constructions are usually built with no...
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Stability analysis of Cavern No. 5 with the largest span in Heidong large ancient underground quarry
The Heidong Cavern Group of China includes 21 large-scale caverns that have remained stable for 1400 years. Cavern No. 5 of the Heidong Cavern Group...
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Various Underground Scenarios Where Geophysics May Be Applied
The purpose of this chapter is to gain a better understanding of the different underground scenarios in terms of mining methods, layouts and...
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Characteristic and Mechanism of Roof Fracture Ahead of the Face in an LTCC Panel When Passing an Abandoned Roadway: A Case Study from the Shenghua Coal Mine, China
Due to the abandonment of roadways after the use of conventional mining techniques, fracture behaviours of the roof of a longwall top coal caving...
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Study on Stress Field Topology Characterization and Stability of Roadway Surrounding Rock
Study on the change laws of surrounding rock stress field is helpful to solve the problem of roadway destruction and deformation. The principal...
