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Mining ground control instrumentation

  • Instrumentation for ground support design

    Three typical instruments selected for ground support verification are multiple borehole extensometers and the instrumented cable bolt. The borehole camera is often used to establish the cause and effect relationship between discontinuities and its influence on …

  • Ground Control - Appalachian Mining & Engineering

    Field experience and technical expertise has made AME renown in rock mechanics and ground control. Pillar design and stability analysis for underground single and multiple seam mining operations. Design of pillars, entries, headers, panels, submains, and mains to maximize safe mineral extraction. Ground Instrumentation.

  • GROUND CONTROL OVERVIEW – Mining Science and Technology

    Ground Control 0 Comment Longwall mining activities alter the exsisting ground stress field, this changed stress field is known as induced stress. Extraction of coal by longwall mining induces a redistribution of stresses causing the rocks near the mining …

  • Ground control instrumentation : a manual for the mining

    Ground control instrumentation : a manual for the mining industry Item Preview > Ground control instrumentation : a manual for the mining industry by Bauer, Eric R; United States. Bureau of Mines. Publication date 1985 Topics Ground control (Mining), Rock deformation Publisher

  • Ground control instrumentation : a manual for the mining

    Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): .hathitrust/acce (external link) http

  • Ground Control in Underground Mines - ILO Encyclopaedia

    The principal objective of ground control is to maintain safe excavations in rock and soil (the terms strata control and slope management are also used in underground mines and surface mines, respectively). Ground control also finds many applications in civil engineering projects such as tunnels, hydro-electric power plants and nuclear waste repositories.

  • AMIT 135: Introduction to Mining Systems and Equipment

    An overview to the field of mining beneficiation and comminution, systems and equipment used for the mining and mineral processing industry. Fundamentals of basic separation and mineral beneficiation of surface and underground mining, economic planning, environmental concerns, safety and …

  • THE USE OF GEOMECHANICAL INSTRUMENTATION IN COST …

    Ground support comprises a significant component of overall underground mining cost. Instrumentation is essential in order to minimize and control ground support costs while providing a safe work environment and maintaining production.

  • 24th International Conference on Ground Control in Mining

    instrumentation, if compatible with the standard, can be incorporated with OEM face data and then utilised in the information system used by the mine. Outcome 4: OEM Involvement Goal: To maintain OEM commitment to the Landmark process 24th International Conference on Ground Control in Mining .

  • Appalachian Mining & Engineering - Appalachian Mining

    Our highly skilled staff offers detailed technical analysis focused on improving mine stability and ground control, health and safety, and operation production. Services Available. About Us Appalachian Mining & Engineering, Inc. (AME), incorporated in 1985, is a mining and geotechnical engineering consulting firm with offices in Lexington

  • WSN Ground Control Committee recommendations Mine …

    • the current mining plan (a longitudinal section and level plans may be included) 5 MINE DESIGN PROCESS This section describes the mine planning process in place at the mine, such as: • define ore blocks • prepare initial selection of mining method and plan • conduct ground control assessment – modeling, histori-

  • Home Ihsan Tulu West ia University

    Apr 14, 2021· The Ground Control and Geomechanics Research (GCGR) group’s mission is solving challenging problems in the mining industry and enhancing mine health and safety through development and application of new and innovative ground control technologies. Our research interests are in the theory and application of numerical methods, field

  • International Conference on Ground Control Mining 2021

    The 2021 International Conference on Ground Control in Mining gives you access to the type of industry research and insights you need from today’s thought leaders. Participate in a forum designed to promote communication in ground control research among consultants, regulators, manufacturers, and mine operators to expedite solutions to

  • Photogrammetry in underground mining ground control

    Deformation and support conditions in underground mines are typically monitored through visual inspection and geotechnical instrumentation. However, the subjectivity of visual observation techniques can result in ambiguous or incomplete analyses with little quantifiable data.

  • Evaluation of Instrumented Cable and Rebar Bolts as …

    fulness of a ground control instrument having gauges mounted in the center of the cable or on the king wire was shown by Signer (1990) in research on the use of resin-grouted rebar bolts in coal mines. In 1998, researchers at the Spokane Research Laboratory (SRL) of the National Institute for Occupational Safety and Health (NIOSH)

  • Fundamentals of modern ground control management in

    Sep 01, 2020· Risk assessments in ground control are conducted in the following stages of mining: (1) during pre-development studies, e.g., pre-feasibility, feasibility, pre-development design studies, (2) when preparing long term mine plans, (3) prior to the development of gateroads or mains sections, (4) prior to the extraction of longwall panels, and (5

  • CDC - Mining Topic - Ground Control Overview - NIOSH

    Feb 04, 2004· Many practical ground control techniques have been developed through analyses of case histories from underground mines and large-scale laboratory testing of roof support elements. An entire toolbox of computer programs based on this research is available to assist the mining community with ground control monitoring and design.

  • (PDF) INSTRUMENTS FOR MONITORING STABILITY OF …

    Occupational Safety and Health (NIOSH) have been using geotechnical instruments in underground mines to study ground control problems and develop means of …

  • Home - Agapito Associates, Inc.

    Agapito Associates, Inc. is the North American representative for Sigra Pty, Ltd. The Sigrat IST (In-situ Stress Tool) is a device for measuring the horizontal in-situ stress field from surface and underground coreholes in advance of development or to aid in excavation design and layout.

  • ABUTMENT PRESSURES – Mining Science and Technology

    Ground Control 0 Comment In the diagram opposite, mining of a longwall panel results in the formation of front and side abutment pressures. The peak of the front abutment pressures can occur 1 to 3 metres ahead of the face and the extent of the front abutment pressures can be …

  • Ground control monitoring of retreat room–and–pillar mine

    Jan 01, 2017· In order to study pillar and overburden response to retreat mining, a ground control program was conducted at a Central Appalachian Mine. The program consisted of several monitoring methods including a seismic monitoring system, borehole pressure cells in the pillars, and time-lapse photogrammetry of the pillar ribs.

  • Ground control - Wikipedia

    Ground control may refer to: . Aviation and spaceflight. Air traffic control, in charge of the controlled areas on an airport; Mission control center, such as the one at Johnson Space Center, responsible for spaceflight; UAV ground control station; Entertainment. 187 Lockdown, a 1990s British electronic duo that released under the name Ground Control; Ground Control, a 2000 computer game by

  • Rock Mechanics Ground Control Research Mining

    The current research work also provides an excellent opportunity for graduate students to work on various aspects of ground control engineering techniques such as, review of ground control practices, field observations, data collection and measurement of rock parameters, use of instrumentation techniques, data interpretation and application

  • strata monitoring Instrumentation - SlideShare

    GROUND MOVEMENT MONITORING Most electronic instrumentation measurement methods consist of three components: a transducer, a data acquisition system, and a linkage between these two components. A transducer is a component that converts a physical change into …

  • Geotechnical considerations in underground mines

    The important role that geological structures have in ground control cannot be over-emphasised. Thorough investigation and analysis1 of geological structure is vital to a good understanding of the major influence that geological structure exert in determining the ground conditions in underground mining. 3.4 Geotechnical domain Version 1.0

  • Vigilante AQS - Enabling underground mine air quality

    Maestro Digital Mine manufacturers Internet of Things (IoT) measurement and control instrumentation for the optimization of underground mine ventilation and underground digital networks for …

  • Underground ground control monitoring and interpretation

    Jan 01, 2019· Underground ground control monitoring is routinely performed to predict roof behavior such as weighting and weighting interval without matching observation of face mining condition while the mining pressures are being monitored, resulting in unrealistic interpretation of the obtained data on mining pressure.

  • Geotechnical considerations open pit audit guide

    Mining manager, senior mining engineer, mine planning engineer, chief geologist Method: Sight documentation that presents the inherent variability of the geological structure, rock stress levels, rock mass strength and deformation characteristics. Refer to MSIR 13.8(2) 1.8 The mine has developed a ground control management

  • Ground control management in Western Australian mining

    Ground control management in Western Australian mining operations – guideline. 1. 1 Introduction. The aim of ground control is to allow the safe and economical excavation of rock and other earthen materials at mines. Examples of unsafe outcomes from ineffective ground control that can cause injury or death include:

  • Coal Mine Ground Control - Syd S. Peng - Google Books

    Since 1974, Dr. Peng has supervised more than 100 research grants/contracts from private companies, and state and federal agen-cics, authored and co-authored 4 textbooks. 330 journal and proceedings articles, and 250 research reports in the areas of longwall mining, ground control …

  • (PDF) INSTRUMENTS FOR MONITORING STABILITY OF UNDERGROUND

    Occupational Safety and Health (NIOSH) have been using geotechnical instruments in underground mines to study ground control problems and develop means of reducing accidents and fatalities caused

  • Grounding Practices for Automation Controls

    ground various elements of the IACS i.e., shields from field transmitters and the ROC/PLC power supply ground, to different grounds. Figure 9 shows a prime example of how not to ground. In this example, the control loop shields are grounded to a separate ground rod. Additionally, the control …

  • Mining Control & Monitoring Equipment Branom Instruments

    Types of instrumentation frequently used for mining control and monitoring include point level instrumentation, continuous level instrumentation, non-contact level measurement instrumentation, pressure and temperature gauges, and automation control. Turn to Branom Instrument Co. for all the process instrumentation your mining application needs.

  • Ground control instrumentation : a manual for the mining

    Ground control instrumentation : a manual for the mining industry Item Preview > Ground control instrumentation : a manual for the mining industry by Bauer, Eric R; United States. Bureau of Mines. Publication date 1985 Topics Ground control (Mining), Rock deformation Publisher

  • Photogrammetry in underground mining ground control …

    Photogrammetry in underground mining ground control — Lucky Friday mine case study DJ Benton et al. 588 Deep Mining 2017, Perth, Australia found that 63.6% of fatalities were caused by ground falls (Seymour et al. 2013). Methods by which falls of ground can be mitigated, or at least reliably anticipated, are therefore a key mining safety concern.

  • Best Practices for Assessing Ground Control Hazards in the

    Ground movement instrumentations are installed to track movement and confirm if wedge is stable, moving at a steady rate or accelerating. Action response plans follow the same criteria mentioned above and varies depending on the interpretation of instrument monitoring data:

  • INSTRUMENTATION – Mining Science and Technology

    The type of instruments that are used to determine the stress properties of rock are borehole deformation strain cells. This instrument measures the diametral deformation of the borehole, perpendicular to the axis that the borehole was inserted. The stress in the rock mass is then calculated from the diametral changes that were recorded.

  • AMIT 129: Lesson 10 Mine Ground Control – Mining Mill

    Methods in Ground Control Testing back and side for loose rock The method of removing loose rock from the back or side is called barring down or scaling down. A metal pry bar called a scaling bar is used.

  • Ground Control – Mining Science and Technology

    Ground Control. Home / Longwall Mining / Archive by category: Ground Control. INSTRUMENTATION. Ground Control 0 Comment. There are various methods and techniques available for in-situ testing of the underground rock mass. Some of the strata mechanics instrumentation that are used can be categorised as follows : Stress Measuring Instruments, It

  • Mining - Underground mining Britannica

    Mining - Mining - Underground mining: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered. Counting against underground mining are the costs, which, for each ton of material mined, are much higher underground than on the

  • Real time monitoring: harnessing - International Mining

    Mining companies need to pay increasing attention to geotechnical and microseismic monitoring if they are to reap the full benefits of support performance systems that manage ground control to improve the operational safety of a mine, says Simon Bailey, Instrumentation and Monitoring Services Manager at Coffey Mining.

  • Ground Control Inspections at a Mine MSHA Video

    A ground control inspection is a documented, in-person examination of on-site terrain formations and locations that slope into working areas at a mine. As part of an ongoing ground control plan, these inspections help establish and reinforce prudent engineering design, reduce ground …

  • Ground control in undergound mines - SlideShare

    Ground control in undergound mines 1. U Siva Sankar Email: [email protected] Mining Ground ControlGround Control : A collective term given to the techniques that are usedto regulate and prevent the collapse and failure of mine openings.Ground control is the science that studies the behaviour of rockmass intransition from one state of equilibrium to another.It provides the basis for the design of

  • Mining Geotechnical Engineering Services — Alpha Adroit

    Geotechnical Engineering for mining site support facilities Ground loss and caving analysis, as well as, design for ground support and control Instrumentation for principal stress measurement and interpretation, seismic and vibration monitoring, deformations, alignment, and cracks Interpretation of instrumentation data

  • Ground Control Monitoring in Backfilled Strip Mining under

    Jul 07, 2018· Ground subsidence and coal gangue induced by mining activities could significantly influence the nearby environment. To allow strict public scrutiny of mining under the metropolitan district, coal gangue backfill has been introduced together with the strip mining method to minimize ground subsidence and to reduce gangue disposal in Tangshan Mine in Hebei Province, China.