Blasthole Drilling This module presents aspects of surface drilling that are important to blasting operations. The purpose of drilling into rock is to provide a “blasthole” into which explosives can be loaded. Good drilling practices include carefully monitoring drillrig operating parameters, taking careful notes of the changes in geology ...
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Get PriceDrilling in stopes is done with pneumaticfeed stopers, light handheld hammer drills of the jackhammer type and heavier plugger machines, drifters of the Leyner type mounted on crossbars or on columns, and drifters (and, now, only occasionally, piston drills) mounted on tripods; more recently, with the more extensive use of bort instead of carbon for diamond drilling, diamond drills are ...
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Get PriceOct 24, 2012· This DVD will review drilling and blasting fundamental concepts that are critical to achieving optimal rock breaking outcomes. All industry stakeholders those keen to learn more about drilling ...
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Get Pricewhich drilling is done to make bore holes in the rock to place charges or explosives for blasting. The drilling (and blasting) can be done from the surface via floating pontoons and selfelevating, spudded platforms. The process also often includes overburden drilling (OD) – overburden is the softer materials overlaying the rock.
Get PriceDrilling 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. The result of rock blasting is …
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Get PriceDrilling machinery, equipment used to drill holes in the ground for such activities as prospecting, well sinking (petroleum, natural gas, water, and salt), and scientific explorations. Drilling holes in rock to receive blasting charges is an operation in tunneling, mining, and other excavating.
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