Bulletin: mining and metallurgical investigations : Carnegie …

Search the Wayback Machine. An illustration of a magnifying glass. Mobile Apps. Wayback Machine (iOS) ... mining and metallurgical investigations ... (no. 1-19, with the Advisory Board of Coal Mine Operators and Engineers; no. 20-58, with the Mining and Metallurgical Advisory Boards); no. 59-75, 101-103 under the auspices of the institute and ...

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(PDF) Crime prediction and analysis using Data mining and Machine

Data Mining and Machine Learning: A Simple Approach that Helps P redictive Policing," FMDB Transactions on Sustainab le Computer Letters ., vol. 1, no . 2, pp. 64 – 75, 2023 .

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Investigation of the mining accidents at "Stan Terg" mine

An investigation was conducted by Zeqiri (2020) to understand the causes of mining accidents in deep production stopes, as a result of rock falling and/or spalling from the back of the stope and ...

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Mining-machine orientation control based on inertial, gravitational

A computer-assisted mining machine requires subsystems for machine intelligence, navigation positioning, and computer control. One subsystem, an onboard, multisensor, computer-based heading system that would be responsible for determining and controlling machine heading is described. A directional gyroscope provides heading (yaw), fluxgate ...

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Operating speed assessments of underground mining …

The continuous mining machine investigation an-alyzed factors influencing struck-by accidents during tramming by using a digital human model (DHM) with simulations driven by captured …

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Research trends in mining accidents study: A systematic literature

To participate in any mine accident investigation (Chen et al., 2015) iii. ... Research on high-power and high-speed hydraulic impact testing machine for mine anti-impact support equipment. 2019. Shock and Vibration Volume 2019, Article ID 6545980, 12 pages Doi: 10.1155/2019/6545980. Google Scholar. Wong et al., 2013.

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Preliminary Regulatory Economic Analysis

mining machines. MSHA reviewed the Agency's investigation reports for all powered haulage and machinery accidents that occurred from 1984 through 2010 (27 years). MSHA determined that …

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MSHA

REPORT OF INVESTIGATION Underground Coal Mine Fatal Electrical Accident July 19, 2003 Upper Big Branch Mine-South Performance Coal Company Naoma, Raleigh County, West ia ... An average of 10,000 tons of coal is produced daily by three continuous mining machine units and one longwall unit. The mine produces coal two shifts per day, seven ...

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Text mining and machine learning for crime classification: using

The random forest algorithm was adopted for the first classifier with an accuracy score of 91.07%, while the second classifier achieved an accuracy score of 82.46% with support vector machines. As an initial exploration of text mining court documents in the field of crime scene investigation, our work has some limitations.

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Hydrodynamic Analysis of Deep-Sea Mining Machine During …

Mining machines play a pivotal role in deep-sea mineral exploration. This study aims to shed light on the hydrodynamics of a mining machine, exploring parameters such as drag, added mass, and ...

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DEPARTMENT OF LABOR MINE SAFETY AND HEALTH …

REPORT OF INVESTIGATION . Underground (Coal) Fall of Rib Accident . June 2, 2021 . Marion County Mine . Marion County Coal Resources, Inc. Metz, Marion County, West ia . ... mining machine while he was attempting to install a rib bolt. The accident occurred because the mine operator: 1) did not perform an adequate evaluationof ...

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Operating speed assessments of underground mining …

The continuous mining machine investigation an-alyzed factors influencing struck-by accidents during tramming by using a digital human model (DHM) with simulations driven by captured human motion data with a variety of subjects, postures, facing orientations, envi-ronmental constraints and machine characteristics. The

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Investigation of Life Satisfaction Data by Data Mining and …

Level variable data using data mining and machine learning algorithms and compare the algorithm results. As a result of the experimental studies, it has been seen that the k-NN algorithm makes more accurate and effective classification in Likert Scale data types. Key-Words: - Classification, Data mining, k-NN algorithm, Support vector machine

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Investigation of lawsuit process duration using machine

Delays in legal proceedings significantly impact both corporate finances and individual livelihoods. Traditional methods for managing these delays typically rely on subjective assessments of what constitutes a reasonable process duration. This study explores a more precise approach by integrating machine learning and process mining techniques to enhance …

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Failure analysis of head gear pulley used in coal …

This investigation is primarily aimed to examine the probable causes of in-service failure of cage suspension gear chain used in coal mines. Preliminary visual examination, dimensional measurement, chemical analysis, magnetic particle …

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Performance Evaluation of Underground Mining Machinery: A …

Therefore, renewal process approach has been utilized for further investigation. Allocations of best-fit distribution of data sets were made by the utilization of Kolmogorov–Smirnov (K–S) test ...

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Data oversampling and imbalanced datasets: an investigation of

The classification of imbalanced datasets is a prominent task in text mining and machine learning. The number of samples in each class is not uniformly distributed; one class contains a large number of samples while the other has a small number. Overfitting of the model occurs as a result of imbalanced datasets, resulting in poor performance. In this study, we …

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Analysis of vegetation dynamics from 2001 to 2020 in

Rare earth mining, essential for modern industries and economic growth, often leads to severe environmental degradation. Previous research has explored the ecological impacts of rare earth mining but has not fully investigated the intricate interplay and subdivisions of environmental and anthropogenic factors driving vegetation changes over extended periods.

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MSHA

continuous mining machine operator, was fatally injured when he was pinned between the tail of the remote controlled continuous mining machine and the coal rib on MMU 001-0, located on the 3rd North section of the Main West entries. While repositioning the continuous mining machine to mine the final cut on the left side of the entry, the victim

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Software fault prediction using data mining, machine learning and …

Software fault prediction using data mining, machine learning and deep learning techniques: ... of class-level and method-level metrics in most of the studies as compared to module-level metrics with a need to do investigations using component or process-level data as well. Labeled datasets used for software fault prediction contain two classes ...

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Investigation and modernization of buckets of surface mining machines

In a time when people are searching for solutions that minimize operational costs of surface mining machines [9], [17], [18], [19] and eliminate the likelihood of failures [1], [11], [12], it is becoming increasingly important to optimize the technical and operational parameters related to the mining of overburden and coal in surface mines.Such attempts are being made, among …

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MSHA

REPORT OF INVESTIGATION Underground Coal Mine Fatal Machinery Accident April 21, 2006 Huff Creek No. 1 Lone Mountain Processing Inc. Cumberland, Harlan County, Kentucky ID No. 15-17234 ... Mining Machinery The machine which pinned the victim was a Breaker Car Module (BCM) of an Oldenburg Stamler model SCH-36 low seam continuous haulage system. ...

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Investigation and modernization of buckets of surface mining machines

In a time when people are searching for solutions that minimize operational costs of surface mining machines [9], [17], [18], [19] and eliminate the likelihood of failures [1], [11], [12], it is becoming increasingly important to optimize the technical and operational parameters related to the mining of overburden and coal in surface mines ...

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Performance Evaluation of Underground Mining …

Therefore, renewal process approach has been utilized for further investigation. Allocations of best-fit distribution of data sets were made by the utilization of Kolmogorov–Smirnov (K–S) test ...

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25+ Mining Investigation Jobs, Employment 24 February 2025

mining investigation jobs. Sort by: relevance - date. 25+ jobs. Senior Safety Officer. Watercare Mining(Pty) Ltd. Randfontein, Gauteng. Lead incident investigations and implement corrective actions to avoid recurrence. ... Minimum of 5 years' experience in …

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Coal Mining Equipment Damaged from Cave-In

Envista was called in to investigate the nature, extent, and cause of loss to a continuous mining machine that occurred following a cave-in at a coal mine in the Midwest. Envista's Civil/Structural and Mechanical engineering …

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60. Initiating investigations

1) The Chief Inspector of Mines must instruct an inspector to investigate any accident or occurrence at a mine that results in the death of any person. 2) At any time an inspector may investigate-- a) any accident or occurrence at a mine that results in the serious injury or serious illness of any person;

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Performance Evaluation of Underground Mining Machinery: …

Year Author Title Investigation 1984 Ascher H et al. Repairable systems reliability modeling inference misconceptions and their causes Reliability of a repairable system 1989 Uday Kumar et al. Reliability investigation for a fleet of load haul dump machines in a Swedish mine Performance of LHD machines

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Investigation and reporting of accidents and incidents

Mine action organisations and National Mine Action Authorities (NMAAs) are responsible for investigating and reporting accidents and incidents in a clear, comprehensive, …

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Inspecting Mining Equipment: What to Look For and …

Inspecting mining equipment is a critical step in ensuring the safety and efficiency of mining operations. Why Inspect Mining Equipment? The principal purpose of a mine inspection is to verify compliance with Regulatory …

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