vibration in open pit mining

Patterns of Whole-Body Vibrations in Open Pit Mining

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

Whole Body Vibration in Open Pit Mining - A short review

2017-12-21 · Typically, a mining environment involves well de-fined operations with short duration, associated with different vibration amplitudes. Thus, measurements should be made for each operation and the result ob-tained from the combination of these.

Open-Pit Mines Using Vibration Sensors and Support

2019-12-24 · Predicting Blast-Induced Ground Vibration in Open-Pit Mines Using Vibration Sensors and Support Vector Regression-Based Optimization Algorithms Hoang Nguyen 1, Yosoon Choi 2,* , Xuan-Nam Bui 3,4 and Trung Nguyen-Thoi 5,6,* 1 Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam; [email protected]

Vibration response of the waste rock dump in open pit

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

Propagation and prediction of blasting vibration on slope ...

2017-11-1 · However, in the process of transition from open pit to underground mining, blast-induced seismic wave propagates in open pit slopes. Such a disturbance is often the critical factor triggering the instability of high and steep open pit slopes (Ak et al., 2009, Deb and Jha, 2010). In order to effectively assess the seismic effect of blasting ...

Predicting Blast-Induced Ground Vibration in Open-Pit ...

2021-7-12 · Blast-induced ground vibration (GV) is a hazardous phenomenon in open-pit mines, and it has unquestionable effects, such as slope instability, deformation of structures, and changing the flow direction of groundwater. Therefore, many studies in recent years have focused on the accurate prediction and control of GV in open-pit mines. In this study, three intelligent hybrid models were

(PDF) Blast vibration effects in an underground mine ...

Sometimes explosives up to 95,978 kg are being detonated in a blast round in open-pit mine for speedy removal of overburden. The impact of 86 open-pit blasts has been documented in the underground...

Blast vibration effects in an underground mine caused by ...

2015-12-1 · Sometimes explosives up to 95,978 kg are being detonated in a blast round in open-pit mine for speedy removal of overburden. The impact of 86 open-pit blasts has been documented in the underground openings and 258 blast vibration data has been recorded. The vibrations were recorded simultaneously in the roof, sidewalls and at floor levels.

Prediction of Blast-Induced Ground Vibration Intensity in ...

2019-10-28 · Rock fragmentation is an important process in open-pit mining. Many techniques, such as drilling and blasting (Hustrulid 1999), hydraulic rock breaking (Nguyen and Bui 2015), high-pressure water jet utilization (Hagan 2010), and the use of mechanical equipment (Bui 2016), can be used for rock fragmentation.Of these techniques, blasting, which has the highest efficiency considering ...

Blasting near open pit walls - Conference Papers

Vibration modelling (Figure 4) shows that there is no significant difference to the pit wall between a trim blast with two buffer rows and two production rows, and a large blast with the same two buffer rows and eight production rows. The modelling is supported by field work reported by Blair and Armstrong (2001) and McKenzie (2012) that both report vibration levels to be independent of burden and confinement. Over the range of pit wall depths considered by Hoek (2012) to apply to the blast damage factor (i.e. 0–2.5 times the bench height), vibration

Predicting Blast-Induced Ground Vibration in Open-Pit ...

To measure ground vibration induced by blasting operations in open-pit mine, peak particle velocity (PPV) is considered a standard criterion for evaluating the intensity of the ground vibration. More than 80% of the energy of explosives is released by generating ground vibrations that spread through the rock and soil to surrounding structures ...

(PDF) Blast vibration effects in an underground mine ...

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, pillar and floor were analyzed separately and the ...

(PDF) Typical whole body vibration exposure magnitudes ...

B. Howard et al. / Typical whole body vibration exposure magnitudes encountered in the open pit mining industry 303 Acknowledgements This research was supported by the Rocky Mountain

Assessment of Blasting-Induced Ground Vibration in an

2018-8-29 · In an open-pit mine slope, rock mass has multiple joint structures and blasting operations have an obvious influence on its stability. Therefore, accurately predicting the blasting vibration is necessary to ensure slope stability. In this study, the blasting vibration signals monitored at a blasting site with different rock masses were used to investigate the attenuation characteristics of ...

WHOLE BODY VIBRATION EXPOSURE AND INJURY

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

Prediction of Blast-Induced Ground Vibration Intensity in ...

2019-10-28 · Rock fragmentation is an important process in open-pit mining. Many techniques, such as drilling and blasting (Hustrulid 1999), hydraulic rock breaking (Nguyen and Bui 2015), high-pressure water jet utilization (Hagan 2010), and the use of mechanical equipment (Bui 2016), can be used for rock fragmentation.Of these techniques, blasting, which has the highest efficiency considering ...

Prediction of Blast-Induced Ground Vibration Intensity in ...

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.

(PDF) Analysis of vibration prediction accuracy in ...

2020-9-9 · The 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 the near future.

Guidebook on cold, vibration, airborne exposures and ...

2018-10-2 · COLD, VIBRATION, AIRBORNE EXPOSURES AND SOCIOECONOMIC INFLUENCES IN OPEN PIT MINING. Sustainability of miners' well-being, health and work ability in the Barents region GUIDEBOOK ON COLD, VIBRATION, AIRBORNE EXPOSURES AND SOCIOECONOMIC INFLUENCES IN OPEN PIT MINING

Effect of Underground Mine Blast Vibrations on Overlaying ...

Investigating the propagation and attenuation of blast vibration in rock slopes is the key point to assess the influence of underground mine blasting on overlaying open pit slopes stability and determining the potential risk. In this paper, Daye Iron Mine in China has been chosen as the case to study the effect of blast vibrations on overlaying open pit slopes due to underground mine blast ...

Prediction of Blast-Induced Ground Vibration in an Open ...

2019-3-1 · Ground vibration (PPV) is one of the hazard effects induced by blasting operations in open-pit mines, which can affect the surrounding structures, particularly the stability of benches and slopes in open-pit mines, and impact underground water, railway, highway, and puzzling for neighboring communities. Therefore, controlling, accurate prediction, and mitigating blast-induced PPV are

Prediction of Blast-Induced Ground Vibration Intensity in ...

2019-10-28 · Rock fragmentation is an important process in open-pit mining. Many techniques, such as drilling and blasting (Hustrulid 1999), hydraulic rock breaking (Nguyen and Bui 2015), high-pressure water jet utilization (Hagan 2010), and the use of mechanical equipment (Bui 2016), can be used for rock fragmentation.Of these techniques, blasting, which has the highest efficiency considering ...

Prediction of Blast-Induced Ground Vibration in Open-Pit ...

2019-10-29 · In this paper, blast-induced ground vibration (BIGV) was considered as the primary objective, and a new artificial intelligence system was proposed to predict BIGV with high accuracy based on the M5Rules and imperialist competitive algorithm (ICA), called ICA–M5Rules technique. Accordingly, the ICA was considered to optimize the M5Rules based on the rules of the M5 model, as well as the ...

WHOLE BODY VIBRATION EXPOSURE AND INJURY

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

Vibration Safety Criteria for Surficial Rock Mass of Open ...

1. INTRODUCTION. In open-pit to underground mines, partial collapse of surficial rock mass always occurs because the open-pit slopes are subjected to underground blasting mining operations [], which trigger a serious threat to the workers and equipment.In order to ensure the safe production, it is the key technical problem to determine the blasting vibration safety criteria for slope rock mass ...

Predicting Blast-Induced Ground Vibration in Open-Pit ...

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 the support vector ...

Effect of Underground Mine Blast Vibrations on Overlaying ...

2017-11-21 · General Information of the Open Pit Slopes. A deep pit has been formed through the past 100 years of surface mining activities, which is 2400 m long in the east west direction and 1000 m wide in the north south direction on the surface, as shown in Fig. 2.The eastern section of open pit of the Daye Iron Mine was selected as the research area, as shown in Fig. 3.

Improved Signature Hole Analysis for Blast Vibration ...

2016-6-26 · This methodology has been used in surface coal mines to protect important infrastructure (power structures, gas lines, etc.) and in metal mines to control vibration levels to minimize the impact of blasting on the performance of large open pit slopes. Introduction. In the mining production cycle, blasting is the most economical and efficient ...

Effect of Underground Mine Blast Vibrations on Overlaying ...

Investigating the propagation and attenuation of blast vibration in rock slopes is the key point to assess the influence of underground mine blasting on overlaying open pit slopes stability and determining the potential risk. In this paper, Daye Iron Mine in China has been chosen as the case to study the effect of blast vibrations on overlaying open pit slopes due to underground mine blast ...

Everything You Need To Know About Open Pit Mining ...

2018-11-1 · 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

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