· Moving forward into the subsequent section about “Types of Monitoring Mechanisms,” let us delve deeper into the various approaches adopted by the UGC. Types of Monitoring Mechanisms Continuing from the previous section on the role of monitoring mechanisms, it is essential to explore the various types of mechanisms that are
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DOI: 10.1016/J.IJRMMS.2018.06.014 Corpus ID: 133726237 In situ monitoring and analysis of the mining-induced deep ground movement in a metal mine @article{Xia2018InSM, title={In situ monitoring and analysis of the mining-induced deep ground movement in a metal mine}, author={Kai-zong Xia and Congxin Chen and
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· It is essential to investigate focal mechanisms of induced seismicity for understanding the rock fracturing, the failure mode, and the hazard evolution in underground mines. But the conventional methods using empiricism to infer the source mechanisms usually lead to ambiguous results for individual events. An optimized moment tensor
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· Brittle failure, also known as rockburst, is a violent phenomenon that occurs during the excavation of hard rock in areas with high geostress, particularly at great depths. The induced hazards have
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:Daylighting Discontinuity MiningSlope Instability · In the mining process of deep metal mines, different types of rock mass instability failures are caused by strong mining disturbance. It is beneficial to master the fracture mechanism of rock mass in time to effectively prevent and control the ground pressure disasters. Microseismic signals are generated by the propagation and
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· Slope monitoring forms an integral part of slope management in Open Pit mines. This is to provide information for; detecting potential unstable ground, assessing the performance of slope design which involves identifying any slope instability and/or failure mechanisms that develop. If the failure mechanisms are understood and the slopes are
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With increasing coal mining depth, the rockburst risk is becoming more serious.A thorough understanding of rockburst occurrence mechanism, monitoring and prevention technology is crucial to coal mine safety.In this paper, we systematically summarized the research findings of the team, put forward the mechanismthat the superposition of static and
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· As an advanced mining technology, cut-and-fill mining was successfully applied in the Jinchuan Nickel Mine over 18 years until the end of 1999 when ground fissures occurred above the ore body.Zhao
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· The angle between the orientation of an opening and major structures of rock masses influences the type of failure and mechanisms in underground mining activities (see Fig. 2). Theoretical results and practical implementations indicate that the perpendicular and parallel orientations of an opening with major structures are the most
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Learning from the application of data mining technology is conducive to providing a basis for subsequent research on how to use teaching operation status data to implement teaching quality monitoring. The purpose of this paper is to study the teaching quality monitoring system. Using the software design idea based on B/S architecture, the school's teaching
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· Monitoring seismic activity in mining operations can improve mine safety through risk management, and be used to study overall ground conditions. 2.1.2. Planning the monitoring system Efficient mine microseismic monitoring can be summarized in
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:Ashkan Vaziri, Ashkan Vaziri, Larry Moore, Hosam AliPublish Year:2010 · Combined with the deformation monitoring results on the ground surface collected by using a Global Positioning System (GPS), Level Monitoring Technique, and
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· Deformation of surrounding rock of roadway in deep is an important issue for mining engineering. We did some investigations and monitoring works in Jinchuan Mine 2. In this paper, based on field
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· A classification of seismic events in mines based on source mechanisms is introduced. The classification separates blast-, slip- and crush-type events. Various approaches of analysis of source
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· Rockburst warning. 4.1. Definition of rockburst warning. In this study, the phrase “rockburst warning” is used to indicate a warning of the location, intensity, and probability of a rockburst, rather than a warning of the time of a rockburst occurrence. The warning result is used for rockburst mitigation. 4.2.
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· Slope stability is a critical safety and production issue for mining. Major wall failure can occur seemingly without any visual warning, causing loss of lives, damage to equipment, and disruption to the mining process. Monitoring systems, ranging from simple piezometers and extensometers to highly sophisticated radars and global navigation
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· We did some investigations and monitoring works in Jinchuan Mine 2. In this paper, based on field investigation, roadway deformation was summarized three features: horizontal displacement of
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The primary aim of every twenty-first century mining operation is to extract as much ore as possible in a safe and economical manner. Failure in mine excavation occurs when the shear stress acting on the rock is greater
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· PDF instability analysis starts with the core understanding of the types of failure, including plane failure, wedge failure, toppling failure, and rotational failure. Potential hazards can be
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· This paper proposes institutional innovations to advance a transparent monitoring system for the environmental impacts from mineral development on the deep seabed beyond national jurisdictions managed by the International Seabed Authority (ISA). Using a literature review, ISA’s regulations, and five cases of other environmental
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· Extra-deep borehole extensometers are used for deep deformation monitoring. • Eight years’ in situ monitoring data from deep holes are analysed.Ground movement mechanisms in deep rock masses are investigated. An extra-deep multiple-point borehole extensometer, applicable up to 300 m depth of cover, is introduced for the
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:Mining IndustryFilling Body DelaminationGround Fissures · Further refinement and exploration of these indicators offer promising avenues for advancing rock failure monitoring and early warning capabilities in coal
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· Rock mass dynamics disasters caused by excavations and mining occur frequently in deep mines. In order to establish a theoretical system and control technologies for such disasters, we first classify and define dynamic disasters, such as rock bursts, coal bursts, mine pressure bumps, and mine earthquakes. According to the occurrence
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· Effective monitoring and early warning methods are crucial for enhancing safety and sustainability in deep coal resource extraction, particularly in mitigating rock burst disasters triggered by abrupt rock failure under high–ground–stress conditions. This paper presents the results of experimental investigations that involved conventional uniaxial
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· Based on the results, the depth of mining, dislocations, and mining remnants are important factors when the mining is located under unsuitable geological conditions. Saeidi et al. (2012) employed empirical methods of rockburst prediction in Sabzkuh Water Conveyance Tunnel as a case study.
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· Fully-mechanized caving mining with a substantial mining height is inevitably accompanied by alterations in the surrounding rock, coal seam fractures, and stress field. To predict these problems, this study employs the utilization of microseismic monitoring technology to dynamically observe the behavior of the surrounding rock and
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· In recent years, strong seisms are triggered frequently during deep coal mining process, which seriously threatens the safety of underground miners and ground residents, as well as restricts the productivity and effectiveness of mining activities. It is essential to investigate focal mechanisms and source parameters of seisms for
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:Mining IndustryIn-Situ Mining DiagramJingshandian Iron-ore · Lately, numerous techniques based on monitoring and analysing displacement data have been used to anticipate the failure of mining slopes. Recent
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3 Environmental and Social Impact Assessments in Mining Legal Frameworks: Case studies from California, United States; Kazakhstan; and Queensland, Australia of review and approval processes may require the involvement of multiple government agencies.
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Instrumentation monitoring at an underground mine to establish failure mechanisms, confirm numerical modelling and determine safe working conditions By P.W. Thompson , S. MacGregor , P. Dight Book Geotechnical Instrumentation and Monitoring in Open Pit and Underground Mining
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