Glossary entry (derived from question below)
Italian term or phrase:
coltivazione senza sostegni a strozzi
English translation:
underhand stoping without supports
Added to glossary by
Ivana UK
Oct 29, 2006 13:58
17 yrs ago
1 viewer *
Italian term
sostegni a strozzi
Italian to English
Other
Mining & Minerals / Gems
underground mining methods
coltivazione senza sostegni a strozzi:
when removing useful mineral, non-useful mineral is left behind, in the form of pillars, for roof support
I have no idea what type of supports these are.
The only possible reference I have is the De Mauro definition, which may or may not apply in this case:
ing.civ., nella costruzione di gallerie stradali, parte sottostante la superficie di contatto tra la calotta e i piedritti
when removing useful mineral, non-useful mineral is left behind, in the form of pillars, for roof support
I have no idea what type of supports these are.
The only possible reference I have is the De Mauro definition, which may or may not apply in this case:
ing.civ., nella costruzione di gallerie stradali, parte sottostante la superficie di contatto tra la calotta e i piedritti
Proposed translations
(English)
| 4 | mined pillars |
Rosanna Palermo
|
Proposed translations
10 hrs
Rosanna Palermo
Native in Italian
&
English
Accuracy matters - La precisione conta
Native in: Italian 
, English (Variant: US)
Works in: Italian to English
Related KudoZ points
:
2
Selected
mined pillars
Hi there, I know it sounds bizarre however, please follow the link and see for yourself..a short version is pasted below
Underground Room and Pillar Mining. Underground mines in the United States are typically operated using one of two different methods: room and pillar mining or longwall mining. In 2004, approximately 82% of our produced coal volume came from underground mining operations using the room and pillar method with continuous mining equipment.
In room and pillar mining, rooms are cut into the coal bed leaving a series of pillars, or columns of coal, to help support the mine roof and control the flow of air. Continuous mining equipment is used to cut the coal from the mining face. Generally, openings are driven 20 feet wide and the pillars are generally rectangular in shape measuring 35-50 feet wide by 35-80 feet long. As mining advances, a grid-like pattern of entries and pillars is formed. Shuttle cars are used to transport coal to the conveyor belt for transport to the surface.
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Note added at 10 hrs (2006-10-30 00:36:35 GMT)
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A couple morelinks for you one (very very long) has pictures of these shafts. The "strozzare" means to choke (like being strangulated), therefore an otherwise even tube that is narrowed at one point would be my guess.. Good luck!! :o)
http://www.dnr.state.oh.us/mineral/coal/miningfactsht.htm
http://images.search.yahoo.com/search/images/view?back=http:...
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Note added at 3 days23 hrs (2006-11-02 13:35:55 GMT)
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I really think you need to flip it..
sustaining or retaining , even transversal pillars are left/put/carved in place, in the descent that follows the ore, at points containing little or no mineral deposis /or in locations where little or no mineral deposits are found
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Note added at 3 days23 hrs (2006-11-02 13:39:16 GMT)
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Heading would be
forming/placement/of the load bearing pillars
Good luck!!
Underground Room and Pillar Mining. Underground mines in the United States are typically operated using one of two different methods: room and pillar mining or longwall mining. In 2004, approximately 82% of our produced coal volume came from underground mining operations using the room and pillar method with continuous mining equipment.
In room and pillar mining, rooms are cut into the coal bed leaving a series of pillars, or columns of coal, to help support the mine roof and control the flow of air. Continuous mining equipment is used to cut the coal from the mining face. Generally, openings are driven 20 feet wide and the pillars are generally rectangular in shape measuring 35-50 feet wide by 35-80 feet long. As mining advances, a grid-like pattern of entries and pillars is formed. Shuttle cars are used to transport coal to the conveyor belt for transport to the surface.
--------------------------------------------------
Note added at 10 hrs (2006-10-30 00:36:35 GMT)
--------------------------------------------------
A couple morelinks for you one (very very long) has pictures of these shafts. The "strozzare" means to choke (like being strangulated), therefore an otherwise even tube that is narrowed at one point would be my guess.. Good luck!! :o)
http://www.dnr.state.oh.us/mineral/coal/miningfactsht.htm
http://images.search.yahoo.com/search/images/view?back=http:...
--------------------------------------------------
Note added at 3 days23 hrs (2006-11-02 13:35:55 GMT)
--------------------------------------------------
I really think you need to flip it..
sustaining or retaining , even transversal pillars are left/put/carved in place, in the descent that follows the ore, at points containing little or no mineral deposis /or in locations where little or no mineral deposits are found
--------------------------------------------------
Note added at 3 days23 hrs (2006-11-02 13:39:16 GMT)
--------------------------------------------------
Heading would be
forming/placement/of the load bearing pillars
Good luck!!
Reference:
2 KudoZ points awarded for this answer.
Comment: "Thanks for your help! I spoke to the client and after much deliberation we decided on: underhand stoping (without supports)."
Discussion
Scendendo a seguire il filone si lasciano pilastri, anche trasversali, a sostegno o a contenimento, in corrispondenza di parti poco o affatto mineralizzate.
...mostrando i diversi metodi di scavo succedutisi nel tempo (strozzi, camere e pilastri, sottolivelli)..
http://www.ambienteeuropa.info/Archivio/ottobre_2004_T&C/003...
http://www.tessilmare.com/prodotti-it.htm?sezione=2&categori... http://www.tessilmare.com/prodotti-it.htm?sezione=2&categori...