process of drill and blasting

Drilling, Blasting & Explosives Solutions - RESPEC

RESPEC's explosives engineering division specializes in solving critical drilling-and-blasting issues safely and effectively. The team combines their advanced knowledge of drilling and blasting with experience in mine planning and operations to provide a unique turnkey approach to improving drilling-and-blasting operations with a focus on improving overall mining unit costs.

BlastIQ™ - Blast design and optimisation software for ...

Blast Information Management BlastIQ™ enables you to digitally manage drill and blast information and processes, providing a secure, centralised online platform for collection and interpretation of data and insights across the entire blasting process.

Air Decking to Increase Fragmentation in Blasting

Table of ContentsSub-drilling reductionPlug Selection ChartBenefitsDownstream SavingsDrilling ProcessDetonation PathBlasting ResultsMid Hole DeckingStep by Step GuideCASE STUDYContact Clayton Hitchcock Development of Fragmentation System Design (FSD) Better Air Decking using the Saver Plug, offers a reduction in fly rock, vibration, drilling costs, and the volume of explosives used in blasting.

P&Q University Lesson 4- Drilling & Blasting : Pit & Quarry

Aug 28, 2019· Blasting is heavily regulated and watched by federal, state and local agencies. 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 any hard rock quarry operation.

PROCEDURES FOR BLASTING

Binary Explosive – A blasting explosive formed by the mixing of two plosophoric materials, for example, ammonium nitrate and nitromethane. Blast Pattern – The plan view of the drill holes as laid out for blasting. Blast Plan – A written procedure that details the .

Drilling, Blasting & Explosives Solutions - RESPEC

RESPEC's explosives engineering division specializes in solving critical drilling-and-blasting issues safely and effectively. The team combines their advanced knowledge of drilling and blasting with experience in mine planning and operations to provide a unique turnkey approach to improving drilling-and-blasting operations with a focus on improving overall mining unit costs.

Drilling and Blasting Techniques - EPIC Training Course

This 3-day Short Course provides a state of the art introduction on the subject of Blasting Technology and in the process, removes some of the mystery and uncertainty around drilling and blasting operations. You have an opportunity to study the drilling and blasting industry from initial cost estimation and site analysis to final project ...

(PDF) ROCK BLASTING FOR MINING - ResearchGate

Bender (1999) defined production blasting as the type of blasting that is designed to fragment a predetermined volume of rock; widely spaced holes are drilled and fired in a .

QUALITY DRILLING AND BLASTING - Trenching

Quality Drilling and Blasting has over 28 years experience in blasting, drilling and rock trenching in the unique conditions of Oregon and So Washington.

Hammons Drilling&Blasting - Tim Hammons, Drill, Blast

Family owned and operated drilling and blasting company. With main professional blaster and owner of 16 years Tim Hammons. Welcome to Hammons Drilling&Blasting. Hammons Drilling&Blasting. ... All of our crew members go through a tedious hiring and training process to make sure the job is performed safely and correctly. Satisfaction Guaranteed.

Chapter 8 BLAST DESIGN - National Park Service

of explosive energy be placed into proper perspective within the entire drilling, blasting, handling and process-ing operation. This relationship is illustrated in Figure 8-7. (Figure 8-7) Analysis of efficient blast design.. Efficient blast designs combined with the proper choice of explosive can produce better fragmentation with

blast pattern – Mining and Blasting

Oct 12, 2012· In these cases, the firing pattern can be used to control the blast direction in a more favourable direction and improve the blasting result. Before drilling, the blast direction should be set according to the orientation of the main jointing systems. Fragmentation, backbreak and toe problems are all dependent upon the blasting direction.

Drilling and blasting - Wikipedia

Mar 21, 2017· The Six Sigma drilling and blasting approach has proven itself in the trenches. Based on teamwork at all levels, clear goals and measurements of systems, and a control system, it can help any mine achieve excellence in their drilling and blasting program. Anthony Konya is a project engineer with Precision Blasting Services.

Blast Hole Drilling: The Basic Process | RPM Drilling

Basic Blast hole Drilling Process: Step 1 – Surveying the location . Before the blast hole drilling can begin, the proposed site needs to be inspected, and certain decisions need to be made with regards to the hole size/diameter, the type of drill or drills that will be required, etc.

Drilling and Blasting Services - Commercial & Residential ...

Maine Drilling & Blasting is a leading provider of drilling, blasting and related specialty services in the Northeast and Mid Atlantic US. Drilling and Blasting Services - Commercial & Residential Construction

Let's Blast! - YouTube

Sep 22, 2012· NOTE: Although this video shows an up-close look at the blasting process, NEVER go near an active surface mine or blast site without Federal training and permission. FYI, the white bags are ...

Drilling and Blasting - an overview | ScienceDirect Topics

Jan 11, 2011· Zong-Xian Zhang, in Rock Fracture and Blasting, 2016. 17.1 Introduction. Conventional drifting or tunneling by drilling and blasting method requires a much higher specific charge than ordinary production blasting such as bench blasting. For example, the specific charge at tunneling is 3–10 times higher than at bench blasting, depending on borehole deviation, tight holes, lift of the ...

Blast Implementation | The World of Explosives

Blast Implementation. As with every step that is taken in the blasting process, safety is the first priority. To achieve this goal, one person, the blaster, is responsible for implementing the blast. Drilling the Blast Holes. Drilling accuracy is very important. Once the design is .

Blasting | Britannica

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.

Emulsion Blend Blasting Product and How it Differs from ...

Dec 21, 2018· In this system, the blasting agent is not sensitive until it is pumped into the hole and given time to react and settle in. This process is called "gassing". This is why the emulsion product McCallum Powder regularly uses is referred to as a non-sensitized, gassing emulsion blasting agent.

Drilling and blasting - SlideShare

Apr 30, 2019· DRILLING AND ITS NECESSITY Drilling is the process of making hole in solid materials like rocks, timber, metal, etc. For blasting rocks, drilling is necessary to make hole in the rock to place explosive in the drill hole. Different tools and methods are used for drilling depending on the type of material, the size of the hole, the number of ...

Drilling and Blasting for Energy Projects

Get a free drilling and blasting energy project quote! We offer free project quotes, just reach out and we will make it happen! In order to have the correct person contact you for a free on-site evaluation and quote on your blasting project, we need some basic information to start.

Maptek - Benchmarking drill and blast

In particular, the coordination shone a light on the importance of tracking and analysis of drill and blast metrics in a consistent manner across the global business. Inefficiencies are now clearly identified at critical stages of the process, and site personnel are empowered and enabled by management to devise strategies for improvement.

AL Drilling and Blasting

ROC C65 Surface Drill Rig . The ROC C65 is a high-capacity down-the-hole crawler drill primarily designed for quarry blast hole drilling in virtually all types of rock formations for aggregate production and limestone for cement production with a hole diameter 92mm – 200 mm.