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 , tunnel or road construction.
Drilling and Blasting - an overview | ScienceDirect Topics
The drilling and blasting method is an economical and efficient construction method in tunnel construction. However, during tunnel drilling and blasting construction, a large amount of dust will be generated from drilling, blasting, slag transportation, and shotcrete.
The Ultimate Guide to Drilling and Blasting - JOUAV
2024年3月27日 · Drilling and blasting, also known as drill and blast, are powerful tools used to break and excavate rock in various industries, including mining, quarrying, and construction. This technique involves strategically drilling holes into the rock and then using explosives to break it into manageable pieces.
Blasting Principles - Orica
Drilling. The act or process of creating holes in rock mass for later filling with explosive and blasting. Drill and Blast. The combined cycle of drilling and blasting, often classified as a discrete process and cost centre in most mines. Drill Pattern. A group of blastholes on a bench or face form a drill pattern. E Effective Energy
An integrated approach to the drill and blast process
2020年8月12日 · The approach, incorporating technology ranging from blast design and high-precision drilling to post-blast analysis and optimization, empowers mines to take back the purchasing power on their bulk commodity explosives.
How to Conduct Blasting Operations Safely? [PDF]
Blasting is a process of reduction of rocks or hard soil into fragments with the help of explosives. The blasting operation involves drilling of holes, installation of a detonator and charge, detonating the charge, and removal of debris. ...
Blasting | Rock Fragmentation, Drilling & Explosives | 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.