Assessment of noise and ground vibration induced during blasting
Request PDF | Assessment of noise and ground vibration induced during blasting operations in an open pit mine — A case study on Ewekoro limestone quarry, Nigeria | Our study was carried out to ...
Research Progress of Soil and Vegetation Restoration Technology in Open
Open-pit mining has caused extensive land destruction, including land abandonment and reduction in agricultural land, resulting in serious environmental problems. Ecological restoration and mine reclamation have become important components of the sustainable development strategies in Inner Mongolia, China. Therefore, the …
Risk Assessment in the Open Pit Mining Industry—A Short …
The results of the present bibliographic research point in the same sense of the studies carried out previously in 1999 and 2010 [20, 21], i.e., there was no significant evolution since then in risk assessment and management of accidents methods at OPMI.Most of the existing risk assessment methodologies present a specific objective …
An Optimized Open Pit Mine Application for Limestone …
Keywords: limestone; cement plant; production planning; blending; mixed integer programming MSC: 49M05 1. Introduction The limestone production scheduling for an …
Optimization of blasting design in open pit limestone mines …
The developed ANN model was used as an objective function for imperialist competitive algorithm (ICA), and it was found that the ICA algorithm is able to decrease PPV up to 59% by considering burden of 2.9 m, spacing of 4.4 m and charge per delay of 627 Kg. Blasting operations create significant problems to residential and other …
(PDF) Environmental Hazards of Limestone Mining …
Event open-pit mining methods in the exploitation of limestone by PT Semen Baturaja (Persero) Tbk cause depletion of water, air, and soil. At the end of mining activities will leave ex-mine land ...
Open Pit Mining
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 …
In-pit crushing and conveying technology in open-pit …
In-Pit Crushing and Conveying (IPCC) systems are receiving more attention today due to current characteristics of open-pit mining operations and what is expected to occur in the future.
(PDF) Short-Term Planning for Open Pit Mines: A Review
PDF | This review examines the current state-of-the-art in short-term planning for open-pit mines, with a granularity that spans days, weeks, or months,... | Find, read and cite all the research ...
An Optimized Open Pit Mine Application for Limestone …
Keywords: limestone; cement plant; production planning; blending; mixed integer programming MSC: 49M05 1. Introduction The limestone production scheduling for an open pit mine can be described as deter-mining the order in which 'blocks' should be extracted to achieve a specific goal, while
Mining | Free Full-Text | A Framework for Open-Pit Mine …
In-pit crushing and conveying (IPCC) systems have drawn attention to the modern mining industry due to the numerous benefits than conventional truck-and-shovel systems. However, the implementation of the IPCC system can reduce mining flexibility and introduce additional mining sequence requirements. This paper investigates the long …
Open-Pit Mining Definition | Anglo American
Limestone; Marble; Molybdenum; Silver; Uranium; Phosphate; Open-pit Mining Operations. Open-pit mines are dug on benches that are between four and sixty-meters in size, depending on the size of machinery used to excavate. The walls of most open-pit mines are dug at an angle and include steps to prevent avalanches from occurring …
Carbon Sequestration Capacity after Ecological Restoration of Open-Pit …
Open-pit mining seriously damages the original vegetation community and soil layer and disturbs the carbon cycle of vegetation and soil, causing instability in the mining ecosystem and decrease in the carbon sequestration capacity of the mining area. With the deepening of environmental awareness and the influence of related policies, the …
Calculating ultimate pit limits and determining pushbacks in open-pit
A critical component to any feasibility study of an open-pit mining project is determining the ultimate pit limits and the optimal mining phases (pushbacks). Today, block models are the most commonly used technique for calculating mineral resources and reserves ( Krzemień et al., 2016 ; Riesgo García et al., 2019 ; Sterba et al., 2020 ).
A novel environmental restoration method for an abandoned limestone …
1. Introduction. Mining provides important raw materials for national economic development and the progress of human civilization and is a mainstay industry of many countries and regions [].Moreover, open-pit mining is generally preferred in mining operations due to its applicability in all operable areas of exposed rock, minimum …
Carmeuse Majan
Carmeuse's Salalah facility will be located at the Salalah Free Zone and will produce 50,000 tonnes of processed limestone and related products, which will be exported to Gulf Cooperation Council (GCC) and Asia. Development of the plant is planned in phases, with initial production planned for the second half of 2014.
(PDF) MINERAL INDUSTRY IN OMAN: IN COUNTRY VALUE …
Production of mineral fuels plays an essential role in Oman's economy, and further development of the country's metals and industrial mineral resources could significantly contributes to the ...
(PDF) Optimum ramp design in open pit mines
These studies were published in Numerical modeling of transport roads in open pit mines [15], Application of advanced data analytics to improve haul trucks energy efficiency in surface mines [16 ...
(PDF) Optimization of blasting design in open pit limestone …
Optimization of blasting design in open pit limestone mines with the aim of reducing ground vibration using robust techniques June 2020 DOI: 10.1007/s40948-020-00164-y(
(PDF) Groundwater characteristics of an open-pit limestone …
In Chapter 3, water-rock interaction in the open-pit limestone quarry was evaluated using PHREEQC, while hierarchical cluster analysis (HCA) and principal component analysis (PCA) were used to ...
Groundwater Numerical Simulation in an Open Pit Mine in a Limestone …
The model was also used in northern Spain to simulate groundwater flow numerically in an open pit of a limestone mine (Alvarez et al., 2015). Results established that groundwater outflow from the ...
Carbon Sequestration Capacity after Ecological …
Open-pit mining seriously damages the original vegetation community and soil layer and disturbs the carbon cycle of vegetation and soil, causing instability in the mining ecosystem and decrease in the …
(PDF) Optimization of blasting design in open pit …
Optimization of blasting design in open pit limestone mines with the aim of reducing ground vibration using robust techniques June 2020 Geomechanics and Geophysics for Geo-Energy and Geo …
Ultimate Pit Limit Optimization Methods in Open Pit …
Abstract Ultimate pit limit optimization plays a major role in the mining industry as it serves as the elementary foundation of all the activities in mine planning. This paper reviews and documents some methods used in ultimate pit limit optimization and gives a clear insight of these algorithms, their functionalities and limitations to open up …
Limestone – Al Jood Natural Resources L.L.C
We have exclusive tie up in place with the Limestone mine owners in Sultanate of Oman. Our first shipment was done in nearly 2016 to Bangladesh. ... The limestome is used in the lime calcination plant, …
A white paper on Oman's Mining Scene
Oman produced 91,966,872.800 metric tons of minerals valued at OMR 136,437,019.042 in 2015. The first quarter of 2016 saw the production pegged at 17,665,556.200 metric …
TECHNOLOGY Single-Phase Local Optimization Model …
Keywords: Single-phase local model, supply management, limestone, heat power plant, open pit mine. DOI: 10.1134/S1062739116041117 INTRODUCTION It is well-known …
(PDF) THE EFFICIENCY OF LIMESTONE IN NEUTRALIZING ACID MINE …
Two open channels have been built, with the length of 1 and 2 m respectively. In the first channel (1 m long), 2.6 kg of limestone (granulometry 5-10 mm) were used at two different flow rates: 25 ...
Single-phase local optimization model for limestone supply …
The problem of supplying heat power plants with limestone reduces to location identification, i.e. selection of an open pit mine offering the lowest cost of …
Austinville Limestone Co.
Thank you for visiting our Web site! You can reach us at: 1-800-289-5963 and by fax at 276-699-6323 or via email at: [email protected] Austinville Limestone Company operates an open-pit quarry & limestone processing plant on the oldest continuous mining site in the eastern United States (see History tab).