It is in this context that the following paper investigates the influence of four different firing patterns on fragmentation and fragment size distribution at an Indian opencast limestone …
mainly perform the operations of DRILLING and BLASTING. In India many of the mines are working on with opencast mining and most of the mining operations are performing with drilling …
Tripathy and Shirke (2015) discussed underwater drilling and blasting for hard rock dredging in Indian ports, the results showed that controlled blasting is efficiency measure …
It is in this context that the following paper investigates the influence of four different firing patterns on fragmentation and fragment size distribution at an Indian opencast limestone …
intelligent tool for control blasting in Indian mines Hemant Agrawal*, A.K. Mishra Department of Mining Engineering, Indian Institute of Technology (ISM), Dhanbad 826004, India …
The primary objectives of underground blast design are to-ensure worker safety, -minimize environmental impact, -optimize rock breakage, and -maintain stability in the mining area. Priming in underground mines refers to …
Blast performance depends on geo-mechanical properties of rock, detonation properties of explosive systems and blast design parameters. For a mine having nearly constant geo …
2 Indian Institute of Technology (ISM), Dhanbad 826004, India ... through drilling and blasting. The mine is currently operating with dragline as well as shovel-dumper combination. During …
Request PDF | Latest Advancement in Drilling-Blasting & Rock Fragmentation Technology in Opencast Mines | The rock fragmentation process under current mining …
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 constructed for …
Drilling and blasting are the two most significant operations in open pit mines that play a crucial role in downstream stages. While previous research has focused on optimizing …
Blast hole Drilling is a technique used in mining whereby a hole is drilled into the surface of the rock, packed with explosive material, and detonated. The aim of this technique is to induce …
The line drilling is established at the mine for dragline bench blast. The mining through blasting is now being operated more safely as the line drill resulted in to more stable highwall and implementation of electronic delay detonators in …
To comply with the stringent norms established by the mine regulatory agency in India, the mine management faced two potential options within the 100–200 m zone. The first …
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 constructed for …
Traditional blasting practices and techniques being adopted in most Indian mines are unable to improve efficiency of drilling & blasting operations and mitigate environmental hazards. One of …
The paper deals with a systematic controlled blasting study conducted at one of the largest coal mine of India and subsequently to determine optimal blast design parameters for deep Dragline ...
4. Sublevel stopping with Long Blast Holes: Demand for increased rate of production coupled with improvement in drilling technique has lead to the use of long hole …
Sl.No Chapter Name English; 1: Lecture 01: Introduction to Drilling Technology: Download Verified; 2: Lecture 02: Introduction to Blasting Technology: Download
Explosives are probably the most cost-effective method of rock excavation in underground mining operations 1,2,3.Tunnel and underground rock excavation have largely …
In India, mining and other industries initially took a while to accept Electronic Blasting Systems (EBS). However, more recently the Indian industry has progressively accepted EBS.
Drilling and blasting techniques persist as the most economically viable approaches for rock excavation in both surface and underground mining. However, the …
The primary objectives of underground blast design are to-ensure worker safety, -minimize environmental impact, -optimize rock breakage, and -maintain stability in the mining …
International Journal of Mining Engineering and Mineral Processing, 2022. The primary purpose of blasting is to fragment rock, and there are significant rewards for delivering a fragmentation size range that is not …
drilling parameters from the existing parameter for different benches of the mines. The optimum drilling parameters are achieved by studying the rock properties scientifically and analyze the …
Designing a blast is a complex planning task, which for optimization, includes deciding the bench geometry with respect to the rock properties & geology of the area, …
