موقعك الحالي:صفحة رئيسية>المنتجات
2021-12-30 · Singh P. K. [26] and Roy [27] studied blast vibration effects in an underground mine caused by open-pit mining, ground vibration recorded at roof,
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2017-12-21 · that generate vibrations. These vibrations can be transmitted to workers through their hands, feet or seats. Rocks drills, shovels and dumpers are strongly present in open pit mining. In these ones, the vibra-tion is transmitted mainly to the worker body – Whole-Body Vibration (WBV) (Hill, Langis et al.
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In this study, vibration sensors were used to measure blast-induced ground vibration (PPV). Different evolutionary algorithms were assessed for predicting PPV, including the particle swarm optimization (PSO) algorithm, genetic algorithm (GA),
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2017-9-13 · Markéta Lednická and Zden ěk Kaláb : Vibration response of waste rock dump in open pit mine caused by blasting operation 72 Only the mined out part of the quarry was at the disposal of waste rock deposit. The dump had four levels at the time of performed seismological measurement (Fig. 1, 2), the height of the dump was about 23 m, and
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2015-12-1 · Highlights. Rampura Agucha open-pit lead zinc mine is producing 5.7 Mt/a of ore and has started its underground part which is slated to produce initially 2–2.4 Mt/a and 4.5 Mt/a in near future. The impact of 86 open-pit blasts has been documented in the underground openings and 258 blast vibration data has been recorded.
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2019-12-24 · In this study, vibration sensors were used to measure blast-induced ground vibration (PPV). Different evolutionary algorithms were assessed for predicting PPV, including the particle swarm optimization (PSO) algorithm, genetic algorithm (GA), imperialist competitive algorithm (ICA), and artificial bee colony (ABC). These evolutionary algorithms were used to optimize
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2017-11-1 · Daye Iron Mine is located in Tieshan District, Huangshi City, Hubei Province, PR China, about 90 km west to Wuhan City, 25 km east to the downtown of Huangshi City and 15 km southeast to Daye City, as shown in Fig. 1.Throughout 100 years of mining activities, a deep open pit of 2400 m long longitudinally and 1000 m wide latitudinally has been formed, as shown in
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2021-5-3 · IRMA STANDARD v.1.0 - JUNE 2018 responsiblemining.net 156 Chapter 4.4 Noise and Vibration BACKGROUND Mining can create significant noise and/or vibration through blasting in both open pit and underground mines; ore
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2020-6-18 · Slope collapse is a critical hazard in open-pit mines as it can be of any scale, small or large, and directly affect people, equipment, and production processes (Fig.
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Open pit mining (also known as strip mining) is the process of extracting ore, minerals and/or fossil fuels that occurs on the surface of a particular mining site. When considering all the mining operations in the world, at least 40 percent of mining takes place at the surface reports Greenpeace International.
Read MoreIn this study, vibration sensors were used to measure blast-induced ground vibration (PPV). Different evolutionary algorithms were assessed for predicting PPV, including the particle swarm optimization (PSO) algorithm, genetic algorithm (GA),
Read More2017-12-21 · that generate vibrations. These vibrations can be transmitted to workers through their hands, feet or seats. Rocks drills, shovels and dumpers are strongly present in open pit mining. In these ones, the vibra-tion is transmitted mainly to the worker body – Whole-Body Vibration (WBV) (Hill, Langis et al.
Read More2017-9-13 · Markéta Lednická and Zden ěk Kaláb : Vibration response of waste rock dump in open pit mine caused by blasting operation 72 Only the mined out part of the quarry was at the disposal of waste rock deposit. The dump had four levels at the time of performed seismological measurement (Fig. 1, 2), the height of the dump was about 23 m, and
Read More2019-12-24 · In this study, vibration sensors were used to measure blast-induced ground vibration (PPV). Different evolutionary algorithms were assessed for predicting PPV, including the particle swarm optimization (PSO) algorithm, genetic algorithm (GA), imperialist competitive algorithm (ICA), and artificial bee colony (ABC). These evolutionary algorithms were used to optimize
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Prediction of Blast-Induced Ground Vibration Intensity in Open-Pit Mines Using Unmanned Aerial Vehicle ... mines is a challenging task for engineers and open-pit mining enterprises.
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2020-1-27 · Ground vibration generated from blasting activities is a major problem in mine open-pit slopes and nearby properties, and it can endanger the inhabitants in the surrounding environment. To understand better the influence of blasting activities in the open-pit mine, it is important to determine the propagation and attenuation of the blast-induced vibration in open
Read MoreOPEN PIT MINING / VIBRATIONS. Vibrations and acoustics are two closely related fields. Acoustics is vibrations in air which can be caused by vibrations in ground. When blasting rock, both vibrations in the ground and in air is generated. We can measure the pressure at the shockwave as well as vibrations in the ground and on buildings close to ...
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2016-2-1 · The potential air-blast and vibration impacts related with the Chimiwungo open pit of Lumwana mine are typical for a large open -pit mining operation and generally include: Operation of lightand heavy vehicles for transportation of personnel, materials and equipment within the site.
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vibration effects in an underground mine caused by open-pit mining, ground vibration recorded at roof, pillar and floor were analyzed separately and the threshold value of vibration for the safety of underground workings has been determined based on the Rock Mass Rating values of the roof
Read More2020-6-18 · Slope collapse is a critical hazard in open-pit mines as it can be of any scale, small or large, and directly affect people, equipment, and production processes (Fig.
Read More2017-9-13 · Markéta Lednická and Zden ěk Kaláb : Vibration response of waste rock dump in open pit mine caused by blasting operation 72 Only the mined out part of the quarry was at the disposal of waste rock deposit. The dump had four levels at the time of performed seismological measurement (Fig. 1, 2), the height of the dump was about 23 m, and
Read More2019-12-24 · In this study, vibration sensors were used to measure blast-induced ground vibration (PPV). Different evolutionary algorithms were assessed for predicting PPV, including the particle swarm optimization (PSO) algorithm, genetic algorithm (GA), imperialist competitive algorithm (ICA), and artificial bee colony (ABC). These evolutionary algorithms were used to optimize
Read MoreOPEN PIT MINING / VIBRATIONS. Vibrations and acoustics are two closely related fields. Acoustics is vibrations in air which can be caused by vibrations in ground. When blasting rock, both vibrations in the ground and in air is generated. We can measure the pressure at the shockwave as well as vibrations in the ground and on buildings close to ...
Read More
2017-5-27 · body vibration exposure and impulsive shock impacts, which are very typical in the open pit mining industry and the operation of heavy equipment vehicles, do exist. The typical approach to quantify whole ,
Read More2016-2-1 · The potential air-blast and vibration impacts related with the Chimiwungo open pit of Lumwana mine are typical for a large open -pit mining operation and generally include: Operation of lightand heavy vehicles for transportation of personnel, materials and equipment within the site.
Read Morevibration effects in an underground mine caused by open-pit mining, ground vibration recorded at roof, pillar and floor were analyzed separately and the threshold value of vibration for the safety of underground workings has been determined based on the Rock Mass Rating values of the roof
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2020-10-13 · The stability of the high-walls is one of the major concerns for open pit mines. Among the various factors affecting the stability of high-walls, blast vibrations can be an important one. In general, worldwide the established respective government regulations and industry
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2018-6-26 · vibrations according to the standards. In open pit mines, ground vibration caused by repeated blasting can stimulate loose rock blocks in the nearby pit walls, leading eventually to their failure. Repetitive blasts during the mine life may cause a reduction in the shear strength and bearing capacity of the major discontinuities in the mine site.
Read MoreImages of the stages of Mining in the Fimiston Open Pit. Drilling a Blast Pattern. High Reach Drill for Geotechnical Work Invented at KCGM. Long Reach Drill over Voids Invented at KCGM. Charging the Blast Hole with AmPho. Wiring the Blast Holes. Loading a Blast Hole with a Charge. Wiring up the Blast Holes. A Blast in the Fimiston Open Pit
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2 天前 · Noise Pollution and Its Control in Mining. Article shared by : The noise is now being recognised as a major health hazard; resulting in annoyance, partial hearing loss and even permanent damage to the inner ear after prolonged exposure. The problem underground is of special importance because of the acoustics of the confined space.
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الصين -تشنغ تشو -المنطقة الوطنية للتنمية الصناعية للتكنولوجيا المتطورة، جادة العلوم رقم 169.
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