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- Rock_blasting abstract "Rock blasting is the controlled use of explosives and other methods such as gas pressure blasting pyrotechnics or plasma processes, to excavate, break down or remove rock. It is practiced most often in mining, quarrying and civil engineering such as dam or road construction. Except in mining, the result of rock blasting is often known as a rock cut.The use of explosives in mining goes back to the year 1627, when gunpowder was first used in place of mechanical tools in the Hungarian (now Slovakian) town of Banská Štiavnica. The innovation spread quickly throughout Europe and the Americas.Rock blasting currently utilizes many different varieties of explosives with different compositions and performance properties. Higher velocity explosives are used for relatively hard rock in order to shatter and break the rock, while low velocity explosives are used in soft rocks to generate more gas pressure and a greater heaving effect. For instance, an early 20th-century blasting manual compared the effects of black powder to that of a wedge, and dynamite to that of a hammer. The most commonly used explosives in mining today are ANFO based blends due to lower cost than dynamite.In 1990, 2.1 million tonnes (2.32 million short tons) of commercial explosives were consumed in the USA, representing an estimated expenditure of 3.5 to 4 billion 1993 dollars on blasting. Australia had the highest explosives consumption that year at 500 million tonnes (551 million short tons), with Scandinavian countries another leader in rock blasting (Persson et al. 1994:1).During operation, blasting mats may be used to contain the blast, suppress dust and noise, for fly rock prevention and sometimes to direct the blast.The potential of nuclear explosives for rock blasting and earth-moving was tested by the United States and Soviet Union in the 1960s and 70s as the focus of two research projects, Operation Plowshare and Nuclear Explosions for the National Economy respectively. Their potential was never used beyond mere experimentation, due to ensuing issues of radioactivity and public opposition, and was ended alongside the general end of atmospheric testing of nuclear explosives.".
- Rock_blasting thumbnail Blasting_honkanummi_4-6.jpg?width=300.
- Rock_blasting wikiPageExternalLink 2up.
- Rock_blasting wikiPageExternalLink v=onepage&q&f=true.
- Rock_blasting wikiPageID "2345352".
- Rock_blasting wikiPageLength "5440".
- Rock_blasting wikiPageOutDegree "33".
- Rock_blasting wikiPageRevisionID "682832487".
- Rock_blasting wikiPageWikiLink ANFO.
- Rock_blasting wikiPageWikiLink Australia.
- Rock_blasting wikiPageWikiLink Banská_Štiavnica.
- Rock_blasting wikiPageWikiLink Bingham_Canyon_Mine.
- Rock_blasting wikiPageWikiLink Blasting_mat.
- Rock_blasting wikiPageWikiLink Building_implosion.
- Rock_blasting wikiPageWikiLink Category:Explosives.
- Rock_blasting wikiPageWikiLink Civil_engineering.
- Rock_blasting wikiPageWikiLink Dam.
- Rock_blasting wikiPageWikiLink Demolition.
- Rock_blasting wikiPageWikiLink Dynamite.
- Rock_blasting wikiPageWikiLink Explosive_material.
- Rock_blasting wikiPageWikiLink Explosives.
- Rock_blasting wikiPageWikiLink Gas_pressure_blasting.
- Rock_blasting wikiPageWikiLink Gunpowder.
- Rock_blasting wikiPageWikiLink Hungary.
- Rock_blasting wikiPageWikiLink Mining.
- Rock_blasting wikiPageWikiLink Nuclear_Explosions_for_the_National_Economy.
- Rock_blasting wikiPageWikiLink Nuclear_explosive.
- Rock_blasting wikiPageWikiLink Nuclear_weapons_testing.
- Rock_blasting wikiPageWikiLink Operation_Plowshare.
- Rock_blasting wikiPageWikiLink Plasma_(physics).
- Rock_blasting wikiPageWikiLink Plasma_blasting.
- Rock_blasting wikiPageWikiLink Quarry.
- Rock_blasting wikiPageWikiLink Quarrying.
- Rock_blasting wikiPageWikiLink Rock_(geology).
- Rock_blasting wikiPageWikiLink Scandinavia.
- Rock_blasting wikiPageWikiLink Sideling_Hill.
- Rock_blasting wikiPageWikiLink Slovakia.
- Rock_blasting wikiPageWikiLink Tonne.
- Rock_blasting wikiPageWikiLink Tonnes.
- Rock_blasting wikiPageWikiLink USA.
- Rock_blasting wikiPageWikiLink United_States.
- Rock_blasting wikiPageWikiLink Velocity.
- Rock_blasting wikiPageWikiLink File:Blasting_honkanummi_4-6.jpg.
- Rock_blasting wikiPageWikiLinkText "Blast mining".
- Rock_blasting wikiPageWikiLinkText "Blasting".
- Rock_blasting wikiPageWikiLinkText "Rock blasting".
- Rock_blasting wikiPageWikiLinkText "blast".
- Rock_blasting wikiPageWikiLinkText "blasted".
- Rock_blasting wikiPageWikiLinkText "blaster".
- Rock_blasting wikiPageWikiLinkText "blasting".
- Rock_blasting wikiPageWikiLinkText "blasts".
- Rock_blasting wikiPageWikiLinkText "explosives worker".
- Rock_blasting wikiPageWikiLinkText "rock blasting".
- Rock_blasting wikiPageWikiLinkText "rock cut".
- Rock_blasting wikiPageWikiLinkText "shot firing".
- Rock_blasting wikiPageWikiLinkText "through cut".
- Rock_blasting hasPhotoCollection Rock_blasting.
- Rock_blasting wikiPageUsesTemplate Template:Cite_AmCyc.
- Rock_blasting wikiPageUsesTemplate Template:Cite_EB1911.
- Rock_blasting wikiPageUsesTemplate Template:Cite_book.
- Rock_blasting wikiPageUsesTemplate Template:Commons_category.
- Rock_blasting wikiPageUsesTemplate Template:Reflist.
- Rock_blasting subject Category:Explosives.
- Rock_blasting hypernym Use.
- Rock_blasting type Source.
- Rock_blasting type Thing.
- Rock_blasting comment "Rock blasting is the controlled use of explosives and other methods such as gas pressure blasting pyrotechnics or plasma processes, to excavate, break down or remove rock. It is practiced most often in mining, quarrying and civil engineering such as dam or road construction.".
- Rock_blasting label "Rock blasting".
- Rock_blasting sameAs Schießen_(Bergbau).
- Rock_blasting sameAs शैल_स्फोटन.
- Rock_blasting sameAs 発破.
- Rock_blasting sameAs Fjellsprengning.
- Rock_blasting sameAs m.075dcj.
- Rock_blasting sameAs Минирање_стена.
- Rock_blasting sameAs Bergsprängning.
- Rock_blasting sameAs Q58703.
- Rock_blasting sameAs Q58703.
- Rock_blasting wasDerivedFrom Rock_blasting?oldid=682832487.
- Rock_blasting depiction Blasting_honkanummi_4-6.jpg.
- Rock_blasting isPrimaryTopicOf Rock_blasting.