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Figure 1 Room and Pillar Mining. Top shows continuous miner, shuttle cars, roof bolter, and conveyor. Bottom shows continuous miner and shuttle cars. Position Measurement for Automated Mining Machinery Anthony Stentz, Mark Ollis, Steve Scheding, Herman Herman, Chris Fromme, Jorgen Pedersen, Tim Hegadorn, Robert McCall, John Bares, and Rich Moore.
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In-Situ, a leading manufacturer of on-site water monitoring instrumentation, has acquired all of the operations of Australian-based Measuring and Control Equipment (MACE). MACE is a privately held company that has designed and manufactured ultrasonic flow meters, data loggers, and controllers for over three decades.
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The In-Situ Water Level Meter 200 is the premier engineer-grade tape designed for groundwater professionals, with high-tensile steel tape and stainless steel conductors. This water level tape is ASME-certified and offers maximum longevity in the field, ideal for measuring depth-to-water in wells, boreholes, direct push equipment, and standpipes
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May 19, 2017Geological Applications Measuring Dry Density in Boreholes for Hard Rock Gold Copper Mining. Geophysical borehole density logging in the hard rock mining sector, gold, copper, is becoming increasingly important in mine planning and ore body knowledge.
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Nov 23, 2010To provide a solution to this problem, the Mining and Designing Branch of the China Coal Research Institute has developed a full set of in-situ stress measurement equipment which includes a small diameter hydraulic fracturing rig that can be easily used in underground coal mines (Kang and Lin, 2007, Kang et al., 2009). During the last 8 years
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May 06, 2011In situ stress Hydraulic Fracturing The hydraulic fracturing method allows a direct measurement of the least stress in the plane perpendicular to the borehole axis, which is normally the least horizontal stress, σh and the accuracy is good (5%).
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Performance Measurement of Mining Equipment. The notion that measurement of equipment performance should focus on a multi instead of a single- factor approach is proposed. Mining equipment
Check price45 In-situ stress measurements COMMENTARY ON CLAUSE 45 Measurement of in-situ stress in soils and rocks may be made, although the equipment used means that the results only normally provides an estimate of stress and not an exact measurement. To enable both total and effective stresses to be estimated, it is usual to measure the pore water pressure in addition to the total
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@article{osti_5515908, title = {Measurement of in-situ strength using projectile penetration Tests of a new launching system}, author = {Hearst, J.R. and Newmark, R.L. and Charest, J.A. and Lynch, C.S.}, abstractNote = {The Lawrence Livermore National Laboratory has a continuing need to measure rock strength in situ, both for simple prediction of cavity size, and as input to computational models.
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Apr 01, 2000Results of in situ stress measurements and their application to mining design at five Chinese metal mines. The importance of in situ stress measurement for mining design has been recognized by many Chinese mining companies since the 1970s. The techniques used for the measurement are the borehole overcoring technique and the hydraulic
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Environmental (in-situ) imaging from nm um scale (liquid phase, gas phase, electrochemistry) 3D topographic and tomographic imaging Thin film characterization, morphology, preferred grain orientation, microstructure, thickness, nk, hardness, elasticity
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In situ leach mining (ISLM) is an advanced selective mining technique used for the exploitation of copper oxide deposits. ISLM involves the injection of a solution into a deposit, the dissolution and mobilization of target metals, and the recovery of this solution for processing.
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All our laser alignment measurement equipment and instrumentation is calibrated on a regular basis with our in-house calibration equipment including a set of NIST traceable standards. Precision measurement is an important part of our on-site field machining services. We have a complete inventory of measurement tools including Laser Tracker
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The EZ-AutoCal pH assures fully automatic, accurate and reproducible pH measurements in a myriad of liquid applications where operators need to conduct routine measurements on a daily or even hourly basis. The analyzer performs measurements out of the process (ex situ) and batchwise, meaning that once the measurement is done and
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Bank Cubic Metre (Mining Term) a cubic metre of rock or material in situ before it is extracted Go. Fossil Fuels Mining Energy Natural Gas Science Environmental Issues All Topics.
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Mar 24, 2015There are many geophysical methods that allow for the measurement of shear wave velocity in rock materials. The importance of V s to soil and rock characterization makes simultaneous measurement in both materials of interest. Several in situ test methods for V s
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Published in field and service robotics 1999Authors Anthony Stentz Mark Ollis Steve Scheding Herman Herman Chris Fromme JorAbout Coal miningStack and Process Gas Measurement Delivering EPA method stack testing and measurements of temperature, pressure, flow rate, and concentrations of all types of compounds. Working in all shapes and sizes of stacks, ducts, pipes, and vents in industries all over the world.
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Beyond the Three Mines In Situ Uranium Leaching Proposals in South Australia. In Situ Uranium Leaching Proposals in South Australia. Research Paper 12 1997-98 Paul Kay Science, Technology, Environment and Resources Group In Situ Leach Mining of Uranium, Nuclear Issues Briefing Paper 40,
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May 01, 2004Read In situ stress measurement and its application for hydro-electric projects—an Indian experience in the Himalayas, International Journal of Rock Mechanics and Mining Sciences on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
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In situ stresses in mining areas in South Africa the mine or project the rock type in which the measurement was made, and its deformation properties
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Published in International Journal of Rock Mechanics and Mining Sciences 2004Authors N Kumar A Varughese V K Kapoor A K DhawanAbout Stress fieldIn-situ stress is an essential parameter for design and construction of most engineering projects that involve excavation in rocks. Progress in in-situ stress measurement from the 1950s in
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In-Situ adapt a solutions driven approach providing our clients with the most technologically advanced on-site and In-Situ field machining techniques and services globally. Our aim is to support on planned on-site machining projects but also first point of call in emergency breakdown situations.
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In situ measurements of cemented paste backfill at the Cayeli Mine. One of the concerns about measuring in situ pore water pressure with the . as mining progresses, stresses can be
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The paper describes how in-situ measurements could fill this knowledge gap and discusses the relative merits and limitations of each technique. Results from the equipment are load-displacement curves in the three directions, coupled with pore-water pressure measurements, enabling the effective stress state around the pipe to be understood.
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Nicholas Butel, Alex Hossack and Mehmet S Kizil, Prediction of in situ rock strength using sonic velocity, 14th Coal Operators' Conference, University of Wollongong, The Australasian Institute of Mining and Metallurgy Mine Managers Association of Australia, 2014, 89-102.
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Jul 20, 2007SCANALYSE will display its world-first MillMapper system that provides in-situ measurement, modelling and management of mill liner maintenance on Stand B1002 at AIMEX 2007.
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In-Situ Inc. designs, manufactures and rents water quantity and quality instrumentation for groundwater, surface water and coastal waters. Known for innovating top-quality water monitoring equipment, the company also provides a full-solution offering for decision-quality data via best-in-class mobile and cloud software and telemetry. For nearly 40 years, In-Situ products have provided accurate
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each client or location may represent a number of measuring sites, the total number of sites/measuring holes are in the order of 300, corresponding to approximately 3000 single measurements. This probably makes SINTEF the most experienced provider of in-situ rock stress determination in the world.
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In-situ measurement of Cu film thickness during the CMP process Fig. 9 shows the hall sensor used in CMP equipment for deter-mining the position of eddy current probe in polish processing.
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Proceedings of the Institute of Acoustics APPLYING IN-SITU RECALIBRATION FOR SOUND STRENGTH MEASUREMENTS IN AUDITORIA Claus Lynge Christensen1, Odeon A/S, Denmark George Koutsouris2, Odeon A/S, Denmark Juan Gil3, Odeon A/S, Denmark Jens-Holger Rindel4, Multiconsult, NorwayOdeon A/S, Denmark The measurement of the Sound Strength (G) room
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