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a study on coal mine gob detection with ground

A Study on Coal Mine Gob Detection with Ground Penetrating

The paper introduces the coal mine gob detection with ground penetrating radar (GPR) from perspectives of principles, methods and techniques, and the application effect is also demonstrated with

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Surface-based radon detection to identify spontaneous

Surface-based radon detection provides a fast, accurate, and low-cost method to identify spontaneous combustion areas in the gob of small coal mines. This study focuses on a small abandoned coal mine in Shanxi Province, China, using surface-based radon detection.

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A Study on Coal Mine Gob Detection with Ground Penetrating

2012 2nd International Conference on Remote Sensing, Environment and Transportation Engineering. 2012 1 4 Tytuł artykułu. A Study on Coal Mine Gob Detection with Ground Penetrating Radar Autorzy. Shi, Yang. Treść / Zawartość. Warianty tytułu The paper introduces the coal mine gob detection with ground penetrating radar (GPR) from

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CFD Modelling of Sampling Locations for Early Detection of

CFD modelling of sampling locations for early detection of spontaneous combustion in long-wall gob areas TON Yuan* *Corresponding author sampling locations for early detection of spontaneous combustion. coal oxidation for coal from the mine in this study, the approximate values for ‘

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The study of ground penetrating radar advancing detection

Download Citation on ResearchGate The study of ground penetrating radar advancing detection and fast data analysis in coal mine As conditions of coal mine complex, heavy coal production

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Spoil tip Wikipedia

A spoil tip (also called a boney pile, gob pile or culm bank) is a pile built of accumulated spoil the overburden, or other waste material, removed during coal and ore mining. These waste materials are typically composed of shale, as well as smaller quantities

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Mining the Sewickley Coal Seam: A Study in Mine Ground

Dec 05, 2012 The Sewickley is a rich coal seam that lies 70-130 ft (21.34-39.62 m) above the Pittsburgh coal seam in Southwestern Pennsylvania. From a ground control perspective, the seam has proven very difficult to mine because of the complex and varying ground control issues that are present.

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Glossary of Mining Terms Coal Education

Glossary of Mining Terms Gob The term applied to that part of the mine from which the coal has been removed and the space more or less filled up with waste. Also, the loose waste in a mine. The term generally refers to measures taken to prevent roof falls or coal bursts. Ground pressure The pressure to which a rock formation is

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Grouting Reinforcement of Large Building Foundation over

There are more than 14,000 square kilometers of mining subsidence areas in China, most of which have been reclaimed for the construction of new buildings. In the past, few special measures were required for the foundations of small buildings above old gob areas. But a plan was created to construct a large office building 100 m in length, 90 m in width, and 100 m in height, above

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Computational Fluid Dynamics Study on the Ventilation Flow

ground coal mines facing both methane control and spontaneous combustion issues, a computational fluid dy-namics (CFD) study is being conducted to investigate the effect of the ventilation scheme on the prevention of spontaneous combustion in longwall gob areas. This report focuses on the flow patterns within the gob under

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CFD Modelling of Sampling Locations for Early Detection of

CFD modelling of sampling locations for early detection of spontaneous combustion in long-wall gob areas TON Yuan* *Corresponding author sampling locations for early detection of spontaneous combustion. coal oxidation for coal from the mine in this study, the approximate values for ‘

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Grouting Reinforcement of Large Building Foundation over

There are more than 14,000 square kilometers of mining subsidence areas in China, most of which have been reclaimed for the construction of new buildings. In the past, few special measures were required for the foundations of small buildings above old gob areas. But a plan was created to construct a large office building 100 m in length, 90 m in width, and 100 m in height, above

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Case Study of the Barro Branco Coal Mine Pillar Burst

"The Barro Branco coal mine was located in the southern region of Brazil, in the state of Santa Catarina. In 2002, an incident occurred at the mine, leading to a violent, massive pillar failure, resulting in almost 100 failed pillars in less than 3 hours, totaling nearly 700 collapsed pillars after a period of 6 weeks.

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Coal Agapito Associates, Inc.

A Study of Ground Control Problems in Coal Mines with High Horizontal Stresses. Coal, Publications: Problems in Void Detection in Coal Mine Water Hazards. Pressure Measurements in the Gob. Coal, Publications: Instrumentation. A Novel Ground Control Program at Plateau Mining Company. Coal, Longwall Mining, Publications: Ground Control.

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Research on complex air leakage method to prevent coal

Spontaneous combustion of coal is one of the major hazards threatening production safety during longwall mining. Mining-induced voids, which provide passages for air leakage, are the key factor triggering spontaneous combustion of coal in longwall goafs. In this study, a comprehensive method, which combined pressure balance, grouting injection, and filling fissures, was proposed to prevent

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Spreading of Ground Pressure Fluctuation in the Gob

Case Study of the Barro Branco Coal Mine Pillar Burst Spreading of Ground Pressure Fluctuation in the Gob Application of Updated Joint Detection Algorithm for the Ana Study of the Backfill Confined Consolidation Law and Creep C

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Siting of prison complex above abandoned underground coal

Based on a study of the mine map and subsurface verification of the extent of mining it was determined that all prison buildings and important structures could be placed above solid coal to the north. Improved ventilation of sealed mine Gob. Final report. Abandoned underground coal mine areas must either be sealed or ventilated to

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TEM Detection of the Distribution of Coal Mine Waterlogged

TEM in the application of some gold mine tailings safety hidden in Shan Dong [J]. Journal of jilin university (The earth sciences), 2010, 9 (5):1178.[2]Liwen . Coal mine old mined-out area the detection technology of ground and its application [J]. Mining of China, 2011, 5 (5):111[3]Ding Yanfei, Bai Denghai, Xv Cheng .

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Coal Mining and Processing The National Academies Press

Although the United States has the vast coal resource described in the previous chapter, perhaps as much as 4 trillion tons, the key issue for policy makers is the amount of coal that is economically recoverable.This is not a fixed quantity, but depends on the geological resource, the market price, and the cost of mining. The particular characteristics of the coal mining industry create unique

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Analysis and Research of the Stablity about the Gob of

Analysis and Research of the Stablity about the Gob of Coal Mine under the Proposed Buildings p.105. Application and Study on Tailing Dam Saturation-Line Detection of Based on Ground Penetrating Radar Technology p.109. Creativity Thinks on the Significances of Geobiology about the Coal Series Guoliang Bai: Coal Mining e- ngineering Vol. 5-7

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Detection of Underground Voids in Ohio by Use of

DETECTION OF UNDERGROUND VOIDS IN OHIO BY USE OF GEOPHYSICAL METHODS 7. Author(s) Jens Munk and Rodney A. Sheets VI Detection of Underground Voids in Ohio by Use of Geophysical Methods. Detection of Underground Voids in Ohio by Use of Abandoned underground coal-mine voids are an important source of water supply for some communities in

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Welcome to CDC stacks Bleederless ventilation systems as

To provide insights and assistances for the optimization of ventilation systems for U. S. under-ground coal mines facing both methane control and spontaneous combustion issues, a computational fluid dynamics (CFD) study is being conducted to investig...

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Spoil tip Wikipedia

A spoil tip (also called a boney pile, gob pile or culm bank) is a pile built of accumulated spoil the overburden, or other waste material, removed during coal and ore mining. These waste materials are typically composed of shale, as well as smaller quantities

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Study and application of repeated mining with paste

to protect ground constructions, repeated mining with paste backfill to recover remaining coal pillars was adopted, which is beneficial to improve mining ratio of resources and expand service life of coal mines. 230 panel was the first mining area in this mine. * To whom all correspondence should be sent: E-mail: [email protected]

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Spoil tip Wikipedia

A spoil tip (also called a boney pile, gob pile or culm bank) is a pile built of accumulated spoil the overburden, or other waste material, removed during coal and ore mining. These waste materials are typically composed of shale, as well as smaller quantities

get price

Welcome to CDC stacks Bleederless ventilation systems as

To provide insights and assistances for the optimization of ventilation systems for U. S. under-ground coal mines facing both methane control and spontaneous combustion issues, a computational fluid dynamics (CFD) study is being conducted to investig...

get price

Study and application of repeated mining with paste

to protect ground constructions, repeated mining with paste backfill to recover remaining coal pillars was adopted, which is beneficial to improve mining ratio of resources and expand service life of coal mines. 230 panel was the first mining area in this mine. * To whom all correspondence should be sent: E-mail: [email protected]

get price

Detection of Underground Voids in Ohio by Use of

DETECTION OF UNDERGROUND VOIDS IN OHIO BY USE OF GEOPHYSICAL METHODS 7. Author(s) Jens Munk and Rodney A. Sheets VI Detection of Underground Voids in Ohio by Use of Geophysical Methods. Detection of Underground Voids in Ohio by Use of Abandoned underground coal-mine voids are an important source of water supply for some communities in

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dmme.virginia.gov Dept of Mines Minerals and Energy

Provides public access to information and data related to energy resources, mining operations, geologic features, and abandoned mines more Public Meetings. View notices, agendas, minutes, and summaries of Board and Committee hearings Laws and Regulations. View the laws and regulations that govern the various parts of our department

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Design Of Underground Coal Mine Monitoring System

Design Of Underground Coal Mine Monitoring System Vaibhav Pandit M.E. student, Dept. of Electronics & Telecommunication, mechanized mining face, such as the dead gob cable security parameters can not be monitored, so they can not predict the alarm [2]. Mining project in both underground and ground sections, mine parameters can be

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Free Unfinished Flashcards about 80 hr mining class

Free flashcards to help memorize facts about mining class. Other activities to help include hangman, crossword, word scramble, games, matching, quizes, and tests.

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WVU researchers receive funding from the Alpha Foundation

May 22, 2018 Ground control-related incidents are still one of the leading injury and fatality reason in underground coal mines. According to statistics from the Mine Safety and Health Administration, there were 35,228 underground coal mine workers in 2015 working either in a longwall or retreat-room-and-pillar mine.

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A Novel Ground Control Program at Plateau Mining Company

A novel ground control program has been developed at Plateau Mining Company through five years of geotechnical investigations. The study was initiated to determine the causes for roof stability problems and to develop alternative support and monitoring systems for increased safety and productivity.

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SURFACE FOREMAN CERTIFICATION STUDY GUIDE JANUARY

Knowledge of these requirements is essential to a surface mine foreman and are included in this study guide. BCME Requirements Mine Gases Packet VA Ground Control Plan/Red Zones Coal mine A surface coal mine or an underground coal mine.

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Radon measuring to detect coal spontaneous combustion fire

gob area near the main return of No.12 405 working face. It is very dangerous to the coalmine safety. The coal mine adopted all the fire combat measures they could such as surface grouting, nitrogen injection, thick mortar injection, pressure equalising for No.12 406 working face, ground sealing and ground borehole casting.

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Research Progress on Comprehensive Control Technologies

Jul 12, 2017 Li W. (2018) Research Progress on Comprehensive Control Technologies for Abandoned Coal Mine Hidden Disasters in China. In: Wasowski J., Giordan D., Lollino P. (eds) Engineering Geology and Geological Engineering for Sustainable Use of the Earth’s Resources, Urbanization and Infrastructure Protection from Geohazards. GeoMEast 2017.

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Hazard detection and comprehensive control technologies of

Field investigation and surface detection techniques of abandoned coal mine goafs. Cai(ed.) Rock Mechanics: Achievements and Ambitions. Taylor & Francis Group. pp. 27-30. Wang J.A, Shang X.C, Liu H, etc. (2008). Study on fracture mechanism and catastrophic collapse of strong roof strata above the mined area. Journal of China Coal Society.

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Investigation of subsidence event over multiple seam

The study involves analytical predictions and underground observations of longwall development ground control problems at a south-central Pennsylvania coal mine affected by subsidence induced by multiple-seam mining. As predicted, strata interactions were found in upper mine areas mined over lower mine gob.

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