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- Drilling_and_blasting abstract "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. The result of rock blasting is often known as a rock cut.Drilling and 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.Before the advent of tunnel boring machines, drilling and blasting was the only economical way of excavating long tunnels through hard rock, where digging is not possible. Even today, the method is still used in the construction of tunnels, such as in the construction of the Lötschberg Base Tunnel. The decision whether to construct a tunnel using a TBM or using a drill and blast method includes a number of factors. Tunnel length is a key issue that needs to be addressed because large TBMs for a rock tunnel have a high capital cost, but because they are usually quicker than a drill and blast tunnel the price per metre of tunnel is lower. This means that shorter tunnels tend to be less economical to construct with a TBM and are therefore usually constructed by drill and blast. Managing ground conditions can also have a significant effect on the choice with different methods suited to different hazards in the ground.".
- Drilling_and_blasting thumbnail Blasting_honkanummi_4-6.jpg?width=300.
- Drilling_and_blasting wikiPageExternalLink v=onepage&q&f=true.
- Drilling_and_blasting wikiPageID "2677209".
- Drilling_and_blasting wikiPageLength "8041".
- Drilling_and_blasting wikiPageOutDegree "47".
- Drilling_and_blasting wikiPageRevisionID "707190571".
- Drilling_and_blasting wikiPageWikiLink ANFO.
- Drilling_and_blasting wikiPageWikiLink Australia.
- Drilling_and_blasting wikiPageWikiLink Banská_Štiavnica.
- Drilling_and_blasting wikiPageWikiLink Bingham_Canyon_Mine.
- Drilling_and_blasting wikiPageWikiLink Blasting_mat.
- Drilling_and_blasting wikiPageWikiLink Blue_Ridge_Tunnel.
- Drilling_and_blasting wikiPageWikiLink Building_implosion.
- Drilling_and_blasting wikiPageWikiLink Category:Civil_engineering.
- Drilling_and_blasting wikiPageWikiLink Category:Explosives.
- Drilling_and_blasting wikiPageWikiLink Category:Mining.
- Drilling_and_blasting wikiPageWikiLink Category:Tunnels.
- Drilling_and_blasting wikiPageWikiLink Civil_engineering.
- Drilling_and_blasting wikiPageWikiLink Dam.
- Drilling_and_blasting wikiPageWikiLink Demolition.
- Drilling_and_blasting wikiPageWikiLink Drill.
- Drilling_and_blasting wikiPageWikiLink Dynamite.
- Drilling_and_blasting wikiPageWikiLink Earthworks_(engineering).
- Drilling_and_blasting wikiPageWikiLink Explosive_material.
- Drilling_and_blasting wikiPageWikiLink Fréjus_Rail_Tunnel.
- Drilling_and_blasting wikiPageWikiLink Gas_pressure_blasting.
- Drilling_and_blasting wikiPageWikiLink Gotthard_Tunnel.
- Drilling_and_blasting wikiPageWikiLink Gunpowder.
- Drilling_and_blasting wikiPageWikiLink Hungary.
- Drilling_and_blasting wikiPageWikiLink Jungfrau_railway.
- Drilling_and_blasting wikiPageWikiLink Lærdal_Tunnel.
- Drilling_and_blasting wikiPageWikiLink Lötschberg_Base_Tunnel.
- Drilling_and_blasting wikiPageWikiLink Mining.
- Drilling_and_blasting wikiPageWikiLink Quarry.
- Drilling_and_blasting wikiPageWikiLink Rock_(geology).
- Drilling_and_blasting wikiPageWikiLink Rock_bolt.
- Drilling_and_blasting wikiPageWikiLink Scandinavia.
- Drilling_and_blasting wikiPageWikiLink Shotcrete.
- Drilling_and_blasting wikiPageWikiLink Sideling_Hill.
- Drilling_and_blasting wikiPageWikiLink Simplon_Tunnel.
- Drilling_and_blasting wikiPageWikiLink Slovakia.
- Drilling_and_blasting wikiPageWikiLink Tonne.
- Drilling_and_blasting wikiPageWikiLink Tunnel.
- Drilling_and_blasting wikiPageWikiLink Tunnel_boring_machine.
- Drilling_and_blasting wikiPageWikiLink United_States.
- Drilling_and_blasting wikiPageWikiLink Velocity.
- Drilling_and_blasting wikiPageWikiLink File:Blasting_honkanummi_4-6.jpg.
- Drilling_and_blasting wikiPageWikiLink File:Södermalmstunneln_2009a.jpg.
- Drilling_and_blasting wikiPageWikiLinkText "Drilling and blasting".
- Drilling_and_blasting wikiPageWikiLinkText "Drilling_and_blasting".
- Drilling_and_blasting wikiPageWikiLinkText "blasting".
- Drilling_and_blasting wikiPageWikiLinkText "drill and blast".
- Drilling_and_blasting wikiPageWikiLinkText "drill-and-blast".
- Drilling_and_blasting wikiPageWikiLinkText "drilling and blasting".
- Drilling_and_blasting wikiPageWikiLinkText "rock-explosion".
- Drilling_and_blasting wikiPageUsesTemplate Template:Cite_AmCyc.
- Drilling_and_blasting wikiPageUsesTemplate Template:Cite_EB1911.
- Drilling_and_blasting wikiPageUsesTemplate Template:Cite_book.
- Drilling_and_blasting wikiPageUsesTemplate Template:Commons_category.
- Drilling_and_blasting wikiPageUsesTemplate Template:Refimprove.
- Drilling_and_blasting wikiPageUsesTemplate Template:Reflist.
- Drilling_and_blasting subject Category:Civil_engineering.
- Drilling_and_blasting subject Category:Explosives.
- Drilling_and_blasting subject Category:Mining.
- Drilling_and_blasting subject Category:Tunnels.
- Drilling_and_blasting hypernym Use.
- Drilling_and_blasting type PersonFunction.
- Drilling_and_blasting type Landform.
- Drilling_and_blasting type Redirect.
- Drilling_and_blasting type Source.
- Drilling_and_blasting comment "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. The result of rock blasting is often known as a rock cut.Drilling and Blasting currently utilizes many different varieties of explosives with different compositions and performance properties.".
- Drilling_and_blasting label "Drilling and blasting".
- Drilling_and_blasting sameAs Q2891954.
- Drilling_and_blasting sameAs קידוח_ופיצוץ.
- Drilling_and_blasting sameAs m.075dcj.
- Drilling_and_blasting sameAs m.07x8l0.
- Drilling_and_blasting sameAs Бушење_и_минирање.
- Drilling_and_blasting sameAs Q2891954.
- Drilling_and_blasting sameAs 鑽炸法.
- Drilling_and_blasting wasDerivedFrom Drilling_and_blasting?oldid=707190571.
- Drilling_and_blasting depiction Blasting_honkanummi_4-6.jpg.
- Drilling_and_blasting isPrimaryTopicOf Drilling_and_blasting.