Pit & Quarry April 2019: Drilling & Blasting
Calvin J. Konya is the president of Precision Blasting Services and director for the Academy of Blasting & Explosive Technology, consulting and training worldwide in rock blasting, vibration and emulsion manufacturing. ©North Coast Media. View All Articles. Drilling & Blasting
Blasting: The story of breaking rock
Anthony J. Konya is the vice president at Precision Blasting Services, consulting around the world in rock blasting and vibration from blasting. He is also the founder and CEO of Academy Blasting, an explosive engineering education company, and the host of AcademyBlasting.TV podcast.
A review of some nonexplosive alternative methods to conventional rock
The conventional blasting rock excavation method is the main means of rock breakage because of its high productivity, and it is relatively inexpensive compared to other methods. However, it raises safety concerns and can negatively impact the environment. The major disturbances that may be induced by this method include flyrock, gas emissions, and vibrations. This review …
Machine learning based prediction of flyrock distance in rock blasting …
Rehman et al. [1] indicate that blasting activities significantly affect mine safety and environmental health. The primary goals of blasting explosives are to reduce the size of rock masses and ensure safe and dependable mining output rates. Blasting is a widely used technique for rock fragmentation in surface and underground mines [2].The success of this process …
Blastability evaluation for rock mass: review and new tendency
The inclusion of rock engineering classification in this system has led to several tables with suggested parameter values, which further simplify the practical application of the …
Rock Engineering Systems (Res) Method As A …
B. Blasting Geometry Current geometric blasting plans, especially at PNBP and PLB locations, generally use the same geometry. However, under actual conditions, there are some ROCK ENGINEERING SYSTEMS (RES) METHOD AS A FRAGMENTATION PREDICTION OF ROCK BLASTING AT QUARRY BUKIT KARANG PUTIH PT SEMEN PADANG WEST SUMATERA
Fullbore Quarry Services
Fullbore Quarry Services is a principle-led drill & blast specialist services company that delivers end-to-end managed services. We aim to simplify the drill & blast process, so you can spend more time focusing on the big picture. We know drilling & blasting inside out, and can provide a fully Integrated Rock on Ground service.
Predicting ground vibration during rock blasting using
Rock blasting is a frequently used and economically efficient method in the context of mining and civil engineering activities. Blasting is a widely employed technique in mining for obtaining ...
Drilling And Blasting | Connecticut Explosives Company
Three generations of explosives engineers have provided a vital service to the construction, quarry mining and utility industries since 1923. We store, transport and use explosives on approved sites and specialize in close quarter rock blasting, dimensional stone blasting in aggregate quarries and demolition.
R&B Rock Drillers Limited
Welcome to R&B Rock Drilling Limited. R&B Rock Drilling, based in Doncaster, offer quarry drilling, blasting, site investigation and water hole drilling services.Established in 1968, we have vast experience in rock drilling and mining engineering.
P&Q University Lesson 4: Drilling & Blasting
In terms of processing, blasting is the critical first step in the rock-fragmentation process. Maximum profitability depends largely on an optimized blast. Consider that drilling and blasting are the first operations performed in …
GULF MINING AND ROCK BLASTING
On site blast design and quarry layout are constantly reviewed with the client in order to ensure optimum fragmentation and improve profitability. ... Gulf Mining and Rock Blasting is a well established and long standing business group on the Sultanate of Oman, having operations all over The Sultanate of Oman. ... Engineering design for ...
Advanced Analytics for Rock Blasting and Explosives Engineering …
Huang et al. (2020) compared the performances of a swarm optimization (CSO) and PSO algorithms to predict the rock fragmentation from blasting operations at two quarry mines in Iran from a dataset with 75 instances, considering 6 independent variables as input and the dependent fragmentation as output, reserving 15 instances for testing.
Home
Since 1975, Franklin Drilling & Blasting of Durango has been providing professional, safe, and responsible construction blasting services to Colorado, New Skip to content 970-259-5620
Assessment of the ground vibration during blasting in …
Rock blasting is one of the most common and cost-efficient rock excavation techniques in mining and civil engineering projects 3,4.Rock blasting is a prominent mining technique for metal and non ...
What is the Role of Blasting in Mining and Quarrying?
Blasting plays an important role in mining and quarrying operations, primarily serving to break down hard rock formations into smaller, manageable pieces. This process is …
Blasting Mechanics Revisited: The mechanics of rock …
The role of the explosive has two functions in blasting: first, to break the rock, and second, to move it. As far back as 1963, it was known that borehole pressures reached in excess of 2 million psi due to gas pressure. At the time, however, new high-speed cameras were developed and the …
Blasting mechanics: Material properties and powder factor
Read about the true influence rock strength, rock structure, velocity and powder factor have on a quarry blast's effectiveness. Read about the true influence rock strength, rock structure, velocity and powder factor have on a quarry blast's effectiveness. ... Anthony Konya is the senior explosive engineer for Precision Blasting Services who ...
Rock blasting practices in Malaysian quarry industries / …
Rock blasting is the controlled use of explosives to excavate or remove rock. It is a technique used most often in mining and civil engineering such as dam construction, road work and quarry. Blasting brought a new dimension to engineering excavation work in Malaysia. It is common now to cut wider and better aligned highways through hills instead of having to avoid around it as in …
Aggregate Materials
Joy Engineering expanded its operations into the mining industry in the mid 1990's. The company currently has team of skilled foreman who possess decades of experience in quarry development, mining, and aggregate production. With five aggregate quarries throughout northern California and Nevada, Joy Engineering is able to supply aggregates for its' own projects and …
What is the Role of Blasting in Quarrying?
Quarry blasting is the controlled use of explosives to break rock into smaller, manageable pieces for extraction and processing in quarries. This technique is essential for efficiently accessing and removing materials such as …
Blasting for construction
When rock blasting is required for construction projects, the technique has a critical infl uence on overall project progress ... 12 July 2013 Civil Engineering Table 2 lists the generic explosive types used in com-mercial blasting. Note that these have little in common
Quarry Drilling & Blasting
We utilize cutting-edge drone and GPS technology to measure, design, layout, and execute a drill and blast program. Working together with the client, we have made blast optimization one of our top priorities and we recognize it is a …
Kruger Blasting | Drill and Blast Specialists
Kruger Blasting provides specialist drilling and blasting services to the quarry and civil construction industries in South Africa. Over the past three decades, we have worked alongside many of the country's quarry, construction, and civil engineering companies to deliver safe, efficient, and professional drill and blast services.
Quarry Drilling & Blasting
Rock hammering is slow, inefficient, costly, and has the same inherent properties of blasting on a smaller scale. Blasting can actually be quieter than rock hammering, and takes much less time. A typical blast duration is usually 1 to 3 seconds, while rock hammering can take over two weeks to displace the same amount of volume incurred by a ...
To the power of six: Promoting a team-oriented …
To improve its blasting, a quarry must employ management techniques. Even with engineering out a blast, deviations must be minimised to achieve proper breakage. Six Sigma is a management technique used to …
Drilling & Blasting
Mining | Quarry | Construction. Drilling & Blasting Services. Excellence in Quality & Safety. See All Services. ... McCallum Rock Drilling is a family-owned and operated full-service rock drilling and blasting contractor that has been performing precision drilling and blasting in highly controlled environments since its inception in 1988.
Services
McCallum Rock Drilling (MRD) is a family-owned and operated full-service rock drilling and blasting contractor. We have been performing precision drilling and blasting in highly-controlled environments since our inception in 1988. ... Quarry Development/Pit Planning ... Justin Thomas Engineer "Great service, customer oriented, cost competitive ...
The future of blasting operations
The exploitation of ore resources in open pit mines as well as in quarries frequently involve rock blasting operations ... Exploring the engineering innovations shaping the future of blasting operations. The mining industry has been integral to human civilization for centuries, providing valuable resources that drive economic growth. ...
Rock Machanics & Quarrying:
My kind greetings, I visited a quarry site;precisely my Company quarry - Gitto Quarry Project LTD. The activities going on site includes: rock drilling (12-18m depth) using a …