(PDF) Elements of drill-and-blast design and three …
And many scholars have studied on blasting simulation, and promoted the development of the techniques. For example, Wilkinson, W.A has developed a system named state-of-the-art mine planning ...
Optimization of Drilling and Blasting by Empirical …
Kuz-Ram, Modified Kuz-Ram, Fragmentation, Drilling, Blasting. 1. Introduction. Blasting is the primary stage of rock size reduction after drilling and it is followed by crushing and grinding actions on the comminution system. The main objective of blasting action in the mine is to produce a fragmented rock with sizable and cost …
Delineation and evaluation of the captive limestone mining …
Mining in general open-pit mining method is adopted to extract Limestone minerals (Soni and Nema, 2021).Limestone mining lead in most cases to land-environment degradation (Werner et al., 2020).Myriad Limestone extraction causes dynamics in geomorphology, Habitat variation, generation of high-intensity noise, …
Analysing the Ground Vibration Due to Blasting at AlvandQoly Limestone Mine
Abstract. 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 …
ECONOMIC COST ANALYSIS OF DRILLING AND BLASTING DEPEND OF DRILLING …
Efficiency of drilling and blasting operations must contribute to the best overall economics of a quarry [11, 12]; therefore, variability of powder factor has potentials to improve surface mines ...
Gulf Mining Group, Oman
With a rich history of mining and mineral development, GMG's diverse interests span Chrome, Manganese, Marble, Limestone, and more. Driven by a commitment to harness Oman's mineral potential, GMG has grown rapidly to become one of Oman's largest mining companies. Discover our story and explore our journey on the full "About Us" page. Read …
Blasting Techniques Used in Underground and Opencast Mines | Mining
Read this article to learn about the blasting techniques adopted in underground and opencast mines. Blasting Techniques Adopted in Underground Mines: Drilling Patterns in Stone: Drilling patterns, also called shot-hole patterns, are named after the type of cut holes used and the principal patterns are: (1) Pyramid cut or cone cut (2) Wedge cut (3) …
Surface Mining Machine |
The efficiency and safety of surface mining heavily rely on advanced equipment and technology. One prominent player in this field is , a leading brand that supplies cutting-edge machinery and tools for mining operations. Their products range from drilling rigs and loaders to crushers and conveyors, all designed to optimize …
Controlled blasting in a limestone mine using electronic
This paper presents a case study of limestone mine where a controlled blasting was conducted near a green structure of wagon tippler (at 2 m) being …
(PDF) Environmental Hazards of Limestone Mining …
Results on impact of limestone mining on quality of water, soil and air, degradation of forest and availability of water are …
(PDF) Optimization of Blasting Parameters- A case study
Surface mines primarily use drilling and blasting, which is an effective and relatively inexpensive method to excavate the hard rock mass. The geometry of surface mine bench blasting has a ...
Frontiers | Rock fragmentation size distribution control in blasting…
The Changjiu Shenshan Limestone Mine is located in Chizhou City, Anhui Province, and is currently the largest limestone mine in China. The mine utilizes open-pit blasting for excavation, with an annual production capacity of up to 70 million tons. The mining operation is designed to produce ore with a block size not exceeding 1,000 mm.
(PDF) Rock fragmentation size distribution control in blasting…
In this study, based on the Changjiu Shenshan limestone aggregate mining project in China, large-scale blasting experiments were conducted to investigate the influence of rock properties and ...
Research on Optimization of an Open-Bench Deep-Hole Blasting …
The blasting quality of open-pit mining can be enhanced and the production cost of stope reduced by establishing a mathematical model for step drilling and blasting costs based on stope consumption. By enhancing the Gray Wolf algorithm, the parameters for step drilling and blasting are optimized, resulting in improved effectiveness for step …
(PDF) CALCULATION OF DRILLING AND …
Mining activities includes blasting, drilling, crushing, hauling, and loading process but drilling blasting operations are one of the most influential factors on the cost of mineral resources ...
Application of Kuz Ram Model to Minimize the Drilling and Blasting
The Kuz Ram model was applied in the actual parameters as a predictive model to analyze the results of blasting based on the parameters such as blasthole diameter, hole length, burden, spacing ...
Enhancing rock fragmentation assessment in mine blasting …
The optimization of blasting operations greatly benefits from the prediction of rock fragmentation. The main factors that affect fragmentation are rock mass characteristics, blast geometry, and explosive properties. This paper is a step towards the implementation of machine learning and deep learning algorithms for predicting the …
Environmental Hazards of Limestone Mining and Adaptive …
Excavators are used to remove the topsoil and surface miners were used to mine limestone. As no drilling and blasting are involved, there is a reduction in air pollution and high noise generation. The surface miners also have an inbuilt dust suppression system (Indian Bureau of Mines 2014). 4.2.3 Dump Stabilization at Halki …
Optimized design of drilling and blasting operations in open pit mines
1. Introduction. Mining activity is mostly represented by these four main operations: drilling, blasting, loading and hauling. For a proper mine planning and design, all of these operations need to be carefully planned in such a manner that can prevent extra loads such as operating costs, environmental footprints, etc. Amongst these operations, …
Limestone Mining, Industry, and Society | SpringerLink
In a limestone mine, various unit operations, such as drilling and blasting, crushing and grinding, transportation of ROM, overburden, material, and mineral …
(PDF) ROCK BLASTING FOR MINING
This work presents the application of the Kuz Ram model to minimize the drilling and blasting operational costs at the Lafarge Limestone Quarry.
Blasting Through the Ages: A brief history of drilling
The story of drilling begins in these early mines of Hungary and Germany, before the technology of blasting had been taken to the rest of the world. The Hungarian and German miners took large striker bars (chisel) and beat in holes with large hammers that were about 2 in. in diameter and about 40 in. in length.
Drill and Blast | Mining Methods | American Mine Services
The drill and blast mining, as its name would suggest, is a method of mining that begins with drilling holes into rock after careful surveying and developing a plan. Next, these holes are carefully loaded with explosives. The explosives are then detonated, causing the rock to fracture and crumble. From there, it is simply a matter of removing ...
Optimizing mining economics: Predicting blasting costs in …
In this study, the rock engineering system method (RES) was employed to construct a complex and non-linear model for predicting blasting costs, considering uncertainties in …
Chapter 8 BLAST DESIGN
The economic analysis of the use of explosives is an important part of blasting operations in mining and construction. Explosives are energy, and the efficient use of this energy is a major factor in keeping rock blasting ... of explosive energy be placed into proper perspective within the entire drilling, blasting, handling and process-ing ...
Blasting | Rock Fragmentation, Drilling & Explosives
blasting, process of reducing a solid body, such as rock, to fragments by using an explosive. Conventional blasting operations include (1) drilling holes, (2) placing a charge and detonator in each hole, (3) detonating the charge, and (4) clearing away the broken material. Upon detonation, the chemical energy in the explosive is liberated, and ...
Blast Vibration and Fragmentation Control at Heavily Jointed Limestone Mine
The rock excavation practice incorporates proper drilling and blasting as one of the most significant aspects. However, the generation of uncontrolled cracks and micro-cracks in post-blast opening geometry are some of the major disadvantages of drilling and blasting (Singh et al. 2014, 2015). Geological discontinuities are an integral …
Emerging trends in drilling and blasting technology
In conventional blasting when explosive is detonated, it releases huge amount of effective and non-effective energies that can produce gas and shock accompanied by light, heat, sound and pressure. The effective energy can act as a useful tool in breaking rock for mining and construction purposes. However, the non-effective …
Wirtgen surface miners offer limestone mining without drilling and blasting
The raw material for the cement plant comes from a deposit located 15 km to the north. The Carpathian mining area is rich in sedimentary rocks such as limestone, marl and gypsum. Production increase thanks to Wirtgen technologies. For years, the material was extracted by drilling and blasting and then wet-processed into clinker in the …
Advanced Analytics for Drilling and Blasting | SpringerLink
Drilling and blasting as a key activity in the mining cycle have a key role in operational risk management. ... assessed energy partitioning of limestone production blasts and computed in-hole losses, seismic energy, the ... For this reason, 41 sets of data from a copper mine blasting have been considered for the ANN model training and 10 ...