The proposed HKM–ANN model was the most superior model in estimating PPV caused by blasting operations in this study and contributed a new computational model in predicting blast-induced PPV for the science community and practical engineering with high accuracy level. Ground vibration (PPV) is one of the hazard effects induced by …
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In this study, a dataset of 196 observations was collected from a large-scale open-pit gold mine in Ghana. This dataset was used in training the models for predicting the PPV. In the blasting operations, the following variables were measured or observed: PPV, hole depth, burden, explosive per blast hole, powder factor, spacing, the distance ...
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2.1 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 …
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This study presents a methodology to predict, assess, and control ground vibrations in large open-pit mines operating close to a community. To conduct this study, 178 levels of blasting-induced vibrations were recorded in an area encompassing a large open-pit iron ore mine and a neighboring community located in the Quadrilátero …
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Blast vibration effects in an underground mine caused by open-pit mining - ScienceDirect. International Journal of Rock Mechanics and Mining Sciences. Volume …
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A project for monitoring, analysis, and modelling trim blasting at an open pit copper/molybdenum mine in Canada in 2021 was conducted using Orica's in-house developed proprietary tools, which includes the accelerometer near-field vibration monitoring system, the Multiple Seed Waveform near-field and far-field blast vibration …
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Ground vibration is one of the most undesirable effects induced by blasting operations in open-pit mines, and it can cause damage to surrounding structures. Therefore, predicting ground vibration is important to reduce the environmental effects of mine blasting. In this study, an eXtreme gradient boosting (XGBoost) model was …
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As regarding, this research aims to develop an ANN model for predicting blast-produced PPV at an open-pit coal mine of Vietnam (Fig. 1). Explosives used at the mine are mainly ANFO with an explosive capacity of … See more
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Abstract. Blasting vibration is one of the important factors affecting the stability of open-pit slope. It is necessary to evaluate and analyze its harmful effect and …
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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 …
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The whole-body vibration exposure measurements were collected from a fleet of vehicles utilized daily in an open-pit surface coal mine located in the Northeastern region of Colombia . The mine operates a fleet of approximately 500 pieces of earth-moving mining equipment and vehicles.
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Iphar, M., Yavuz, M. & Ak, H. Prediction of ground vibrations resulting from the blasting operations in an open-pit mine by adaptive neuro-fuzzy inference system. Environmental Geology 56, 97 ...
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Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and low-grade zones deposits. It often results in high productivity and requires large capital investments, low operating costs, and good safety conditions. The main …
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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 …
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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 …
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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 …
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During the production process of the open-pit mine, the blasting vibration effect not only threatens the stability of the slope but also even leads to local or large-scale landslide accidents [1, 2].Globally, from 1967 to 1979, there were 25 landslide disasters in Daye Iron Mine due to the impact of blasting vibration, and the total amount of …
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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 ...
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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 …
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Section snippets General information of the open pit slopes. 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 …
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The Rampura Agucha open-pit lead zinc mine is producing 5.7 Mt/a of ore and has started its under-. ground part, which is slated to produce initially 2 –2.4 Mt/a and 4.5 Mt/a in the near future ...
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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.
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Optimization of blasting parameters and prediction of vibration effects in open pit mines based on deep neural networks - ScienceDirect. Alexandria Engineering …
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Results show that the large spacing parameter for 24- m-high bench loosening blasting in Barun open-pit mine is efficient and economical in medium-hard rock blasting.
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At present, although many scholars have extensively studied the impact of blasting vibration on rock slopes, most of them focused on the influence of open pit excavation and mining blasting on ...
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Blasting is widely used in quarries and mining production processes. It is the beneficial industrial technology which provides achievement of expected results in a short period of time with relatively low cost. Never one less, blasts produce undesirablevibrations and sounds. This current investigation reports the ground motion …
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Prediction and parameter optimization are effective methods for mine personnel to control blast-induced ground vibration. However, the challenge of effective prediction and optimization lies in the multi-factor and multi-effect nature of open-pit blasting. This study proposes a hybrid intelligent model to predict ground vibrations …
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Among the various adverse effects, blasting-induced ground vibrations are considered the most harmful [ 19 ], accounting for approximately 40% of the explosive …
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This study addresses the effects of rock characteristics and blasting design parameters on blast-induced vibrations in the Kangal open-pit coal mine, the Tülü open-pit boron mine, the Kırka open-pit boron mine, and the TKI Çan coal mine fields. Distance (m, R) and maximum charge per delay (kg, W), stemming (m, SB), burden (m, B), and S …
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There are about 1200 open-pit mines in China, and the throwing blasting is widely used as an efficient mining method in open-pit mines. The vibration generated by throwing blasting has become a problem that must be concerned and studied.
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Download Citation | A Case Study on Trim Blast Fragmentation Optimization Using the MBF Model and the MSW Blast Vibration Model at an Open Pit Mine in Canada | A project for monitoring, analysis ...
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Up to the present, the impact of underground mine blast vibration on the rock slopes has not been extensively studied, but only the influence of open pit excavations and mine blasting on rock ...
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