The Indian Cement Industry: Responsible Mining Initiatives …
This in focus series aims to feature prominent best practices followed by the Indian Cement Industry towards responsible mining of limestone mineral. ... For instance, a surface miner suitable for limestone might not be suitable for the overburden material and mine planning requires appropriate face planning for optimal use of such machines ...
Viability of Dolomite Mine Overburden in Modified Grout …
The results demonstrate that replacing 10–15% of cement with dolomite mine overburden is a viable option for sustainable grout mixes. This study suggests that using dolomite mine overburden as a partial cement replacement in grout mixes can be a way toward eco-friendly ground improvement practices.
Special Wastes | US EPA
The Bevill Amendment (section 3001(b)(3)(A)) exempted fossil fuel combustion waste; waste from the extraction, beneficiation, and processing of ores and minerals (including phosphate rock and overburden from uranium ore mining); and cement kiln dust.
Overburden
Overburden characterization is essential to mine planning and environmental concerns. Traditionally, overburden characterization has focused on identification of highly acidic …
Mining
Mining - Strip, Open-Pit, Quarrying: It has been estimated that more than two-thirds of the world's yearly mineral production is extracted by surface mining. There are several types of surface mining, but the three most common are open-pit mining, strip mining, and quarrying. These differ from one another in the mine geometries created, …
RECENT ADVANCES IN OVERBURDEN AND DOWN-THE …
The safe and efficient drilling of overburden (fills and natural soils) and rock is integral to many specialty geotechnical construction techniques. The state of practice for …
Overburden management in open pits: options and …
Introduction. Overburden handling has important impacts on surface mining projects and has to be carefully planned considering both mining activities and site rehabilitation [1,2].
Advances in Cement Research
Sulfobelite (belite-rich calcium sulfoaluminate (BCSA)) cements are promising alternatives to ordinary Portland cement (OPC) due to their lower carbon dioxide generation and lower energy consumption in the clinkering process. Additionally, they are cost effective because of their less-restrictive raw meal composition compared with that …
Coal mining
Coal mining - Underground, Surface, & Drilling: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which …
Nanomaterials | Free Full-Text | A Carbon Nanocomposite …
Carbon nanomaterial is widely used in structural health monitoring due to the advantage of sensitivity and good mechanical properties. This study presents a novel approach employing carbon nanocomposite materials (CNMs) to characterize deformation and damage evolution in physical modelling. As the primary measurement method, the …
Overburden management in open pits: options and limits …
Learn how to manage overburden in open pits from a comprehensive study of large limestone quarries. Request the PDF on ResearchGate and cite the authors.
DEFINITIONS AND EXPLANATIONS
A fluid sealing mixture usually comprising bentonite and or cement that is used to seal well casing. Once emplaced, grout forms an impermeable seal. ... Originally a mining term, overburden is now used to describe any unconsolidated material overlying bed rock. ... The definition is similar to that for springs, however, the movement of ground ...
Potential Use of Coal Mine Overburden Waste Rock as …
Abstract Coal is the cheapest and thus the preferred energy source in developing countries. A huge volume of coal mine waste rock, which is known as overburden (OB), is generated due to the surface mining of coal. Due to convenience and the restricted ... Practical Applications The question of how to replace traditional …
Overburden Definition & Meaning
overburden: [noun] material overlying a deposit of useful geological materials or bedrock.
Strip mining | Surface Mining, Reclamation & Restoration
Strip mining, removal of soil and rock (overburden) above a layer or seam (particularly coal), followed by the removal of the exposed mineral. The common strip-mining techniques are classified as area mining or contour mining on the basis of the deposit geometry and type. The cycle of operations
Evolution and control of overburden fracture in extra-thick …
In the process of mining extra-thick coal seams, water inrush accidents caused by the development of large-space overburden fracture are more frequent, which causes more serious loss and pollution of water, and even desertification of land.
-Coal production and overburden removal from mines
The present study deals with characterization of cement stabilized mine overburden fly ash mixture as a pavement material. Mixtures with varying cement percentage of 4–7% were prepared. Based on ...
Office of Wastewater Management
Wetlands have also been constructed to treat mine water. The long-term effectiveness of this approach is still being studied. Waste Rock Definition The primary and most prevalent waste generated by many mining operations is waste rock, or overburden.
Overburden — Material Testing Expert
Overburden is the layer of soil or rock that covers a desired mineral deposit, such as coal, ore, or stone, that is located underground or on the surface. It is also referred to as waste or spoil. Overburden must …
Exploring mechanical and microstructural properties of cement
The present research explores the suitability of coal mine overburden (OB) material, as secondary aggregate in the sub-base and/or base layer of low-volume roads. As low-volume roads are expected t...
Use of Coal Mine Overburden as Sustainable Fine Aggregate in Cement …
AbstractThe natural aggregate crisis is an alarming concern for the construction industry worldwide. This study provides a detailed investigation of coal mine overburden (OB) from opencast mine dumps, to evaluate its potential as a sustainable alternative ...
Characterization and environmental sustainability of open pit coal mine
Semantic Scholar extracted view of "Characterization and environmental sustainability of open pit coal mine overburden waste rock as pavement geomaterial" by A. Mishra et al.
Strength, deformation, and environmental impact assessment of cement
In the present research study, an experimental investigation was conducted based on mechanistic empirical design to evaluate the strength-deformation characteristics, durability, and environmental emissions of cement …
Effect of sand grain size on simulated mining-induced overburden …
The effect of sand grain size (SGS) on mining-induced overburden failure in physical model tests is investigated. • Similar material with larger SGS shows weaker strength and more tensile failure tendency.
A review on utilisation of coal mine overburden dump …
This paper reviews the application of coal mine overburden (OB) dump material for backfilling in underground mine voids created due to coal mining in deeper seams/horizons.
2024 Mining Terms Explained | An Underground Miner
Discover our comprehensive glossary of mining terms, your ultimate resource for understanding the complex language of the mining industry. Navigate with …
Stochastic distribution characteristics of void fraction in overburden …
Then, the mean value and mean squared deviation value of overall void fractions were statistically analyzed to achieve the stochastic distribution properties of void fractions in the fractured overburden of the excavated coal seam.
What is Overburden in Mining?
Explore the critical role of overburden in mining operations. Learn about moving overburden, its effect on ecosystems, and what it means for the industry.
What is Overburden in Mining?
In mining, overburden refers to the layers of rock, soil, and ecosystem that lie above a coal seam or ore body. It usually covers the valuable mineral deposit that the …
A Case Study on Potential Use of Stabilized Mine …
The increased utilization of mines raises overburden wastes over time. Overburden wastes can be exploited as construction and pavement materials in order to reduce waste depots. The present study explores the geotechnical properties of two over-burden wastes of Golgohar mine, Iran. After stabilization with Portland cement at
Mining Overburden (OB) to Sand | CFlo
What is Overburden (OB)? During any mining operation, the rock or soil layer that needs to be removed to access the ore being mined and which does not contain toxic …
Long-Term Strength and Durability of Cement-Treated Coal Mine …
AbstractCoal is the most abundant fossil fuel and the main source of energy for the production of electricity all over the globe. Excessive utilization of coal results in the production of huge quantities of coal mining wastes called overburden (OB). In ...
What is Mining Overburden and Does It Require Containment?
Mining overburden refers to the soil, rocks, and ecosystem materials that lie above an ore body or coal seam, which must be moved or cleared away to access the …
Moving Overburden Efficiently, Sustainably
Precision Mining, Layer by Layer. Vermeer reported its Terrain Leveler surface excavation machine (SEM) is ideal for precision overburden and interburden removal in areas of the mine where drilling …
Instability motion characteristics of overburden rock and the …
This paper analyzes the instability movement characteristics of overburden in shallow thick coal seam mining and its influence on the development and distribution of fault fractures.
Mining
Mining - Quarrying, Extraction, Processing: Although seldom used to form entire structures, stone is greatly valued for its aesthetic appeal, durability, and ease of maintenance. The most popular types include granite, limestone, sandstone, marble, slate, gneiss, and serpentine. All natural stone used for structural support, curtain walls, …