Drilling and blasting remains the primary method of rock fragmentation in metal mining. However, blasting vibration can adversely affect the stability of the rock.

The study suggests that environmentally friendly methods for Article History 24 gem mining should be adopted, and government regulation is necessary to reduce the impact of mining activities on ...

In surface mining, drilling and blasting are standard methods to break the hard rock into desirable fragments due to their applica- bility in various geological conditions and highly productive ...

In any mining project, drilling and blasting are the first basic operations that are part of an integrated system and impact the results of subsequent operations in productivity and costs. ... A global approach to the entire production technological process including blasting is required. Methods. In the optimization study, the basic method ...

While previous research has focused on optimizing these operations as two separate parts or merely in a specific parameter, this paper proposes a system dynamic model (SDM) for drilling and...

Drilling and blasting play vital roles in opencast mining. These operations not only affect the cost of production directly but as well and significantly, the overall operational costs.

Additionally, the blasting methods for narrow vein mining and excavation in ore-waste combination have also been discussed in this chapter. Download chapter PDF. 8.1 Introduction. ... Kiruna Iron Ore mine, Fankou Lead–Zinc mine and Meishan Iron Ore mine ... The excavation of narrow vein ore deposits by drilling and blasting is a challenging ...

This paper proposes a new multi-resource multi-stage mine production timetabling problem for optimising the open-pit drilling, blasting and excavating operations under equipment capacity constraints.

Pre-splitting is a controlled blasting technique with applications in open pit mines. The main objectives of pre-splitting in open pit mining are: preventing/controlling back-break; controlling ...

In the optimization study, the basic method consisted in the analysis of the blasting operations performed at the drilling diameter of 250 mm (blasting technology used in Roşia Poieni open pit mining) and simulation of the excavation of the same rock volume, with the optimization of the explosive charge distribution at two other drilling ...

Safe mining operations through technological advancement. Moshood Onifade, ... Amtenge Penda Shivute, in Process Safety and Environmental Protection, 2023. 3.1 Drilling and blasting. Drilling and blasting in mining are conducted for rock fragmentation to allow easier material handling for comminution. Despite the relevance of rock fragmentation in mining, the …

This article shows the modern status of technical and technological complex of drilling and blasting operations in open pits of Sokolovsko-Sarbaiskoe Mining and Concentration Production Association.

Research in improved drilling and blasting operations include the following areas: Faster drilling, in order to substantially increase the current drilling speed. Automation of drilling mechanisms, …

coal mining, coal may be cut prior to drilling and blasting. In quarrying, channelling may be In quarrying, channelling may be used instead of blasting and drilling.

2.2 Mining Methods. Iron ore mining methods vary by the type of ore being mined. Currently, there are four main types of iron ore deposits, depending on the mineralogy and geology of ... This means there is less of blasting and drilling and utilizes fewer miners down in the mines. It is safer than the yesteryear techniques of mining that is ...

Drilling and Blasting are probably two of the more attention-grabbing words used in all of mining. After ... to drilling services involving proven drilling methods such as reverse circulation, sonic, percussive, and underground and surface coring. ... Whether it's exploration, production, or a mine closure, efficient, productive drilling is ...

In open-pit mines, the blast operation should be effectively optimized, leading to minimization of production costs through the application of specific technical specifications. However, there is inadequate information in the literature to link blasting to comminution stages. To this end, the effective parameters for the performance of mining unit operations were …

Purpose. Development of new methods for calculating the parameters of drilling and blasting (D&B) for raising mine workings using the methods of blast-hole and well charges, taking into account ...

Purpose. Development of new methods for calculating the parameters of drilling and blasting (D&B) for raising mine workings using the methods of blast-hole and well charges, taking into account the pressure of the explosion products, the compressive strength of rocks, their structural structure, fracturing and compaction under the influence of rock pressure. The …

The development, advancement and utilization of innovative technology are very important for the mining industry in general and drilling and blasting in particular, in order to minimize the risk ...

Drilling and blasting are fundamental operations in the mining cycle and constitute an important component of the mining costs. Rock fragmentation can in principle be managed by means of two options: by increasing or reducing the specific …

The mining industry plays a significant role in the extraction and processing of various ore materials (phosphate, copper, iron, gold, aggregates and others), contributing to industrial and ...

The mining method selected for exploitation is determined mainly by the characteristics of the coal deposit and the limits imposed by safety, technology, environmental concerns, and economics ...

This paper presents a review of measurement while drilling (MWD) technology as applied to the mining industry, describes its development path, provides a global review of literature on this topic ...

Drilling and blasting as a key activity in the mining cycle have a key role in operational risk management. Many empirical methods have been developed to determine blast design parameters or the prediction of blast outcomes. However, these methods cannot cover all associated parameters and factors in design or prediction.

New physical findings revolutionize the drilling and blasting technology as well as the prediction of ground vibrations—Part 1: The new blasting model 29 B. Mueller & H.P. Rossmanith

French Lorraine iron ore accounts for 94% of the total production, while 58 mines in Lorraine are mined by the room-and-pillar method. In the United States, the method is used by 65 percent of ...

In the optimization study, the basic method consisted in the analysis of the blasting operations performed at the drilling diameter of 250 mm (blasting technology used in Roşia Poieni open pit mining) and simulation of the …

Automation and digitalisation of the drill and blast process are also key ® parts of MAXAM's R&D focus. . The company is currently engaged in the Spain-based TUÑEL. investigation project, which looks to address the competitiveness of the . drilling and blasting cycle in mining and underground works, "through the

To optimize the drilling and blasting process in underground mining using the Holmberg method to create the drilling-and-blasting mesh design. The method it is an experimental applied-type and correlational-level inductive method. ... Download book PDF. Download book EPUB. Max Poma 18, ... Selection of new appropriate mining method: case of ...