Drilling and blasting powerpoint 2003 - SlideShare

drilling and blasting powerpoint 2003 1 seminar ondrilling & blasting equipments (2008-09) by yogesh s ghule veermata jijabai technological institute civil and environmental engineering department...

Drilling Ppt | Drill | Drilling - Scribd

Drilling is also used in surface mining for purposes other than providing blast-hol There are minor applications of rock penetration in surface mining other than drilling channelingIn the mining cycle...

Abrasive Blasting Operations, Engineering Control and Work ,

Abrasive blasting can be defined as a process of cleaning fu~d finishing of materials by forceful direction of an abrasive media applied either dry or suspended in a ,...

PPT - Blasting Regulations PowerPoint Presentation - ID ,

Dry Ice Blasting -Dry ice-blasting is a form of craunch blasting, dry ice blaster as the solid form of carbon dioxide, is in a speed up air stream and directed at a ,...

Blasting (1) | Explosive Material | Explosion

In all forms of mining the rock is broken by drilling and blasting the rock Blasting technology is the process of fracturing material by the use of a calculated amount of explosiveBlasting introduction Blasting is an essential part of the mining cycle ...

Chapter 8 BLAST DESIGN - National Park Service

Chapter 8 BLAST DESIGN (Figure 8-2) Staggered pattern (Figure 8-3) Sing (Figure 8-1) Square or rectangular pattern 114 , Where drilling and blasting conditions are both severe, the operator should use premium explosives, at least in the bottom one third of the drill hole Clearing the toe, and therefore contributing to a smoother floor, is a ....

Drilling & Blasting | Explosive Material | Drill

Drilling & Blasting - Free download as Powerpoint Presentation (ppt), PDF File (pdf), Text File (txt) or view presentation slides online Drilling And Blasting in surface Search Search...

Facts About: Underwater Drilling & Blasting - IADC Dredging

(blasting) rounds are only a few metres wide; the drilling is done up to 1-3m depth and large lengths of up to 300-500m in the rock, depending on the rock profile...

Blasting Safety Regulations - Occupational Health and ,

Citation 1 These regulations may be cited as the Blasting Safety Regulations Application 2 These regulations apply to every workplace to which the Occupational Health and Safety Act applies and at which blasting activity is conducted, other than a mine as defined in the Underground Mining Regulations made under the Act Definitions 3 In these regulations....

Blasting and Explosives Quick Reference Guide 2010

PF 3(kg/m) = Total explosives in the blast/volume of rock blasted (for kg/Tonne, divided by blasted tonnes T) RWS = AWS of explosive/AWS of ANFO x 100 RBS = (RWS explosive x explosive density)/ (ANFO density) Energy factor = PF x RWS...

What Is Shot Blasting? | Reference

Shot blasting is a method used to clean, polish and strengthen metals It is used in almost every industry that uses metals, including construction, automotive, ship building and rail industri There are two technologies used in shot blasting, including air blasting and wheel blasting Shot ....

Blasting - Safety Training PowerPoint Presentations

11 slides: Blasting in Underground Bituminous Coal Mines The purpose of this program is to review the Safe blasting procedures for shotfirers in underground bituminous coal min...

Drilling and Blasting | Wind Energy Impacts and Issues

Drilling and blasting an access road through mountainous terrain in an unforgiving geology Drilling and blasting and installing rock anchors in Winter and Spring conditions Working through a snowfall that was nearly twice the average for that particular region to maintain an aggressive schedule...

Blasting - Courses and Live Webcasts - Edumine

Blasting - Courses and Live Webcasts Online courses, short courses and live webcasts about Blasting for mining and geoscience from Edumine...

Drilling and blasting - Wikipedia

Drilling and blasting is the controlled use of explosives and other methods such as gas pressure blasting pyrotechnics, to break rock for excavation It is practiced most often in mining, quarrying and civil engineering such as dam or road construction...

Construction safety in hard rock tunnelling (Handout) - SRMEG

Construction Safety in Hard rock Tunnelling Dr Zhou Yingxin Programme Manager (Underground Technology & Rock Engineering) , Drilling Charging Blasting Ventilation Shotcrete Mucking out Rockbolt Survey The Tunnel Cycle Scaling , Microsoft PowerPoint - Construction safety in hard rock tunnelling (Handout) Author:...

Underground Drilling and Blasting Training DVD - YouTube

Oct 23, 2012· The aim of this new DVD is to provide workers with the critical knowledge on drilling and blasting to aid appreciation of the importance of these mining processes and their related hazards...

APPENDIX L Blasting Plan - State

20 OBJECTIVE This Blasting Plan is intended to identify blasting procedures, including safety, use, storage, and transportation of explosives that are consistent with ,...

blasting and quarrying operations for construction work ppt

blasting and quarrying operations for construction work ppt Ideadiez is and in to a was not you i of it the be he his but for are this that by on at they with which she or from had we will have an what been one if would who has her [More]...

Special Blasting Technique | Strength Of Materials | Pressure

Blast Design Mathematics - Enaexppt Blasting & Overbreak Control Dictionary of Rock Blasting Terms and Symbols , of best wall control blast method Design blast based on geology and past history to minimize wall damage Development of blast pad area prior to drilling to provide suitable blast area Optimal implementation of chosen design to ....

Blasting Safety in Mining and Construction | Safety ,

B lasting Safety Procedur I have been to blasting sites before, I was at quite a distance so I never really knew all that was entailed in the process Blasters have to go through extensive training, have permits, and follow strict rules and regulations...

Surface Mining Methods and Equipment

extract minerals: rock breakage is usually accomplished by drilling and blasting for consolidated materials and by ripping or direct removal by excavators for unconsolidated soil and/or decomposed rock, followed by materials handling and transportation...

Chapter 10 GENERAL BLASTING - National Park Service

BLASTING MATS Blasting mats are heavy mats of steel rope, rubber, or heavy rope , Chapter 10 GENERAL BLASTING 156 explosive dealer regarding which periods are available) And, depending upon the area in which the blasting is , primer shall be prepared, placed, and the blast refired Note - No drilling, digging or picking shall be permitted...

Blaster's Training Modules - Module 4 - Blasthole Drilling

encountered during drilling that may affect blasting results or require changes in hole-loading practic Drilling Methods The components of a drill rig are (1) the rig itself, which supplies the power to ,...

Underground Blasting Process |authorSTREAM

PowerPoint Presentation: A fan cut is one type of drilling and blasting pattern used in tunnel mining that allows the mining efforts to reach the next free face, or clear area, for drilling As drilling continues deeper into the tunnel, the fan cut can be used again to reach the next free face...

Blast optimization at Kriel Colliery J r n a - SciELO

breakdowns, and poor drilling and blasting results on the adjacent blast, contamination of coal or loss of coal A simulation was developed in Microsoft Excel to model blasting results while changing various parameters From the simulation results, it could be seen that a change of blast design...

Safety & health in small-scale surface mines A handbook

SECTORAL ACTIVITIES PROGRAMME WORKING PAPER (WP168) Safety & health in small-scale surface mines A handbook Manfred Walle* and Norman Jennings** (Illustrated by Rita Walle*)...

Safety Policy and Procedure - Cianbro

41 Abrasive Blasting: Abrasive blasting is the most common surface preparation technique used to remove old paint and other surface materials such as rust, mill scale, dirt, and salts In abrasive blasting, compressed air is used to propel abrasive material from a blast pot, through a blasting...

PowerPoint Presentation

Henderson Mine Site Central Campus Deep Access Preliminary Cost Estimates (Excluding UNO) Preliminary Time Schedule (Excluding UNO) UNO Preliminary Cost Estimates Equipment and Excavation Techniques 231 Conventional Development LHD Raise Drill Operating Cycle Shaft Widening by Drill and Blast Henderson Mine Site Central Campus Deep Access Preliminary Cost Estimates ,...

Drilling/Blasting - lniwagov

RF-transmitter signs must be a specific size like the one in this photo (48" x 48") and have a construction orange background with upper case black letters and boarders...