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vibration in open pit mining

vibration in open pit mining

Ground vibrations and air blast ... - Open Access Journals

In this work, the recorded measurements of ground vibration in Metlaoui open pit mine of phosphate were analyzed according to several established criteria of damage in order to study the ground vibrations characteristics resulting from production blasts and to evaluate the vibrations impact on the nearby structures. Study area

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Assessment of Blasting-Induced Ground Vibration in an Open ...

Aug 29, 2018 · 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 ...

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

高达12%返现 · Mar 01, 2019 · 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

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Analysing the Ground Vibration Due to Blasting at ...

Feb 02, 2013 · One of the most fundamental stages in open pit mining is drilling and blasting. A good fragmentation and a minimum ground vibration are characteristics of a successful drilling and blasting operation. In this study, 78 blasting events of AlvandQoly limestone mine located in Kurdestan cement company in west of Iran were investigated. The vibrations induced blasting was recorded by

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

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. The open-pit mine is currently working at 326 m depth and is designed to reach 421 m deep. It has been planned to operate the underground mine maintaining 50 m parting from the planned ultimate level of ...

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Ground vibrations and air blast ... - Open Access Journals

In this work, the recorded measurements of ground vibration in Metlaoui open pit mine of phosphate were analyzed according to several established criteria of damage in order to study the ground vibrations characteristics resulting from production blasts and to evaluate the vibrations impact on the nearby structures. Study area

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

Jul 12, 2021 · 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

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Analysing the Ground Vibration Due to Blasting at ...

Feb 02, 2013 · One of the most fundamental stages in open pit mining is drilling and blasting. A good fragmentation and a minimum ground vibration are characteristics of a successful drilling and blasting operation. In this study, 78 blasting events of AlvandQoly limestone mine located in Kurdestan cement company in west of Iran were investigated. The vibrations induced blasting was recorded by

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Open Pit Mine Blast Noise and Vibration Monitoring

Wabush 3 Open Pit Mine Project in Labrador will provide iron ore to Iron Ore Company of Canada’s (IOC) existing concentrator plant and will also provide a new source of iron ore to extend the operating life of its Carol Project. The proposed project footprint (464 hectares) is mostly greenfields and is located just outside Labrador City, its ...

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Musculoskeletal symptoms and exposure to whole-body ...

Musculoskeletal symptoms and exposure to whole-body vibration among open-pit mine workers in the Arctic Int J Occup Med Environ Health. 2017 Jun 19;30(4):553-564. doi: 10.13075/ijomeh.1896.00975. Epub 2017 Apr 28. Authors Lage Burström 1 ...

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Research on blasting vibration effect and time-frequency ...

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 threshold value of vibration for the safety of underground workings has been determined based on the Rock Mass Rating values of the roof rock, at the ...

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

Nov 01, 2018 · 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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"ESTIMATING THE EFFECTS OF BLASTING VIBRATIONS ON

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 standards are used as guidance to determine the maximum recommended levels of the peak particle velocity and frequency from ...

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Noise Pollution and Its Control in Mining

The vibration reduction with the delay control in blasting is shown in Fig. 13.4a according to which the level of vibration with 25 Ms decreased to 20 per cent that of 50 Ms at 50 m distance. Similarly low frequency waves caused more severe damage to the houses in

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Research Article A Comparative Study of Ground and ...

Shock and Vibration China F : Location of the open-pit mine. N Bench Monitoring area nnel 628 m 200 m F : Transport tunnel position of the open-pit mine. Regulations for Blasting [ ], the maximum charge amount per delay is controlledfor di erent protectionobjects. 2. Description of the Study Area is study was conducted at the Zijinshan Open-Pit ...

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Open pit Mining Research Papers - Academia.edu

There are three main reasons which affect the slope stability as follows: geotechnical factors: Geological structure, lithologic characteristics, water, cohesion, friction, etc.; climate factors: Rainfall and temperature; and external factors: Open-pit mining process, explosion vibration, dynamic load, etc..

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露天煤礦超高臺階拋擲爆破振動效應評價 - 中國期刊全文數據庫

Based on the engineering background of Heidaigou open-pit coal mine, the blasting vibration effect of adjacent building structures under the open-pit mine blasting is studied by blasting vibration monitoring and regression analysis, and the safety of adjacent building structures is evaluated combined with the blasting safety regulations.

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Predictive Modelling for Blasting-Induced Vibrations from ...

Reliable estimates of peak particle velocity (PPV) from blasting-induced vibrations at a construction site play a crucial role in minimizing damage to nearby structures and maximizing blasting efficiency. However, reliably estimating PPV can be challenging due to complex connections between PPV and influential factors such as ground conditions. While many efforts have been made to estimate PPV ...

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Macro-Micro Response Characteristics of Surrounding Rock ...

May 07, 2021 · The macro-micro mining response of the surrounding rock and overlying strata towards the transformation from open-pit to underground mining is examined in the present study, based on the engineering background of the Jinning phosphate mine (Yunnan Phosphate Chemical Group Co., Ltd.) via simulations involving similar materials, digital photographic measurement

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(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 ...

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Vibration response of the waste rock dump in open pit

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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Chapter 4.4 Noise and Vibration - Responsible Mining

Mining can create significant noise and/or vibration through blasting in both open pit and underground mines; ore and waste rock truck traffic on the mine site; ore stockpiling, screening, and crushing; and truck or rail traffic bring consumables to the mine site and

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Analysing the Ground Vibration Due to Blasting at ...

Feb 02, 2013 · One of the most fundamental stages in open pit mining is drilling and blasting. A good fragmentation and a minimum ground vibration are characteristics of a successful drilling and blasting operation. In this study, 78 blasting events of AlvandQoly limestone mine located in Kurdestan cement company in west of Iran were investigated. The vibrations induced blasting was recorded by

Read More
Open Pit Mine Blast Noise and Vibration Monitoring

Wabush 3 Open Pit Mine Project in Labrador will provide iron ore to Iron Ore Company of Canada’s (IOC) existing concentrator plant and will also provide a new source of iron ore to extend the operating life of its Carol Project. The proposed project footprint (464 hectares) is mostly greenfields and is located just outside Labrador City, its ...

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

Dec 01, 2015 · 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

Read More
Musculoskeletal symptoms and exposure to whole-body ...

Musculoskeletal symptoms and exposure to whole-body vibration among open-pit mine workers in the Arctic Int J Occup Med Environ Health. 2017 Jun 19;30(4):553-564. doi: 10.13075/ijomeh.1896.00975. Epub 2017 Apr 28. Authors Lage Burström 1 ...

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Airblast and Ground Vibration Monitoring at Chimiwungo Pit

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 light and heavy vehicles for transportation of personnel, materials and equipment within the site.

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Blasting Vibration - Office of Surface Mining Reclamation ...

surface coal mine, because greater volumes of material must be moved requiring larger blast designs than the trench. Often blasts are hundreds of feet away, and the ground movement begins to slow its rate of travel due to the distance. Even when farther away the ground vibration will reach your property before the air overpressure, consequently

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CDC - Mining - Comparison of Whole-Body Vibration ...

Mining Publication: Comparison of Whole-Body Vibration Exposures on Older and Newer Haulage Trucks at an Aggregate Stone Quarry Operation. Keywords: Haulage trucks Open pit mining Whole-body vibration. This page is archived for historical purposes

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Assessment of Blast-Induced Ground Vibration at ...

Jan 27, 2020 · 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-pit slope. This paper presents ...

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Evaluating and predicting blast-induced ground vibration ...

Dec 24, 2018 · Blasting is one of the cheapest and effective methods for breaking rock mass in open-pit mines. However, its side effects are not small such as ground vibration (PPV), air overpressure, fly rock, back break, dust, and toxic. Of these side effects, blast-induced PPV is the most dangerous for the human and surrounding environment. Therefore, evaluating and accurately forecasting blast-induced ...

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ESTIMATING THE EFFECTS OF BLASTING VIBRATIONS ON

This thesis investigates the response of high-walls under the effects of vibrations from mine blasting. In this research, the relationship between the high-wall response, the geometry of the slope, the frequency and the amplitude, of the ground vibration produced by blasting, is

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

Dec 24, 2019 · 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 ...

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