10 LIVRES EN ANGLAIS EN RAPPORT AVEC «GOAF»
Découvrez l'usage de
goaf dans la sélection bibliographique suivante. Des livres en rapport avec
goaf et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Extracting the Science: A Century of Mining Research
A Century of Mining Research Jürgen F. Brune. figure 3. a Digital terrain Map
produced during a four-week production trial figure 6. oxygen distribution in the
goaf one day after. dump material directly into a truck tray (scaled accordingly) ...
2
Mining Science and Technology: Proceedings of the 5th ...
So strengthening the block beam structure or key strata above goaf and raising
its the bearing ability and stability are the main ways to control rupture foundation
rock mass deformation over abandoned workings. These technological methods
...
Yuehan Wang, Shirong Ge, Guangli Guo, 2004
3
Reports from Committees
A goaf is a source of great danger; it is often a magazine of explosive matter, and
if it could be removed it would be very desirable. A plan was proposed by Mr.
Faraday and Sir Charles Lyell of emptying the goaf by tubes ; but it was found, ...
Great Britain. Parliament. House of Commons, 1852
4
A Numerical Primer for the Chemical Engineer
can fully explain that when the physical characteristics is determined of the flow
field in goaf, the flow field in goaf remained unchanged. Different intake and
return air pressure make the goaf negative values of different sizes and goaf
varying ...
5
the polytechnic review and magazine of science, literature, ...
closing it, extend, is not known in a large goaf, or, as far as we are aware, even in
a small one. The goaf may be considered as a heap of rocky fragments rising up
into the vault or cavity from which it has fallen, perhaps nearly compact in the ...
6
Proceedings of the 2012 International Conference on ...
Underground Goaf Filling and Management Sequence Optimization Research
Gan Deqing1 and Zhang Yabin2 1 College of Mining Engineering, Safety
Technology Key Lab. of Hebei Province, Hebei United University, Tangshan
063009 ...
7
Year Book of Facts in Science and Art
workings near the goaf, it will tend to rise and collect in it ; if evolved in the goaf
from the dislocation of upper strata, &c. it will tend to remain in the goaf, for a time
at least ; and though diffusion will gradually mix it with the common air of the ...
John Timbs, Charles W. Vincent, James Mason, 1846
8
Mine Safety and Efficient Exploitation Facing Challenges of ...
goaf. of. fully. mechanized. top-coal. caving. longwall. Weimin Cheng, Gang
Wang, Jiacai Zhang, Lulu Sun University of Science and Technology, Qingdao,
Shandong Province, China Gang Wang, Jun Xie Commonwealth Scientific and ...
Liu Zegong, Jerzy Kicki, Hua Xinzhu, 2010
9
Advances in Discontinuous Numerical Methods and Applications ...
A total of eight cases are investigated in the modeling with the over mined width
of 0, 1, 2, 3, 4, 5, 6 and 7, which corresponds to the goaf span of 6, 8,10,12,14,16,
18 and 32 m, respectively. For the last case, the two pillars of the goaf are ...
Jian Zhao, Yuzo Ohnishi, Gao-Feng Zhao, 2012
10
Philosophical Magazine
There is every reason to believe, that the falling goes on towards the middle of
the goaf, but how high the heap of broken strata and the vault inclosing it extend,
is not known in a large goaf, or, as far as we are aware, even in a small one.
10 ACTUALITÉS CONTENANT LE TERME «GOAF»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
goaf est employé dans le contexte des actualités suivantes.
Azed slip No 2230
177 entries, a handful having DATES OF DEATH, and more than a few with LOAF for GOAF ('Head for the rear, taken short, wherein waste is ... «The Guardian, juin 15»
A Decent Ride by Irvine Welsh – digested read
“Aye cannae play goaf,” sus Terry, before suddenly finding he was a total natural who could play off scratch. “Uh git it, Irvine,” he yulls. «The Guardian, avril 15»
Loznica demands urgent solution of environmental issues
The goaf of the former antimony mine which flowed into the Korenita River has arrived at the confluence into the Drina River, Janko Aleksic of ... «B92, sept 14»
Caterpillar to supply longwall systems to Turkish coal mine
As the face moves forward, the coal left above the section cut by the machine falls onto the extended canopies, providing the goaf is caving ... «World Coal, juil 14»
Rescue work continues to save trapped miners in SW China
... mine as of 8 a.m. on April 12. The flooding occurred at 4:50 a.m. on April 7 following a blasting impact on the goaf. (Xinhua/Pang Mingguang) ... «Global Times, avril 14»
Book Excerpt: Tragedy at Pike River Mine
The area most likely to contain this amount of gas was the goaf formed during mining of the hydro panel. The area was also intersected by an ... «The Press, nov 13»
Congolese dishes show innovation, creativity
For dessert (truthfully, an appetizer as we had them) were little bite-sized waffle-cookies called gaufres (pronounced goaf). "Some people live ... «The Portland Phoenix, mai 13»
New evidence in Pike River coal mine tragedy
According to chairman of the inquiry, Graham Panckhurst, the mine's roof caved in at the goaf; pushing high amounts of methane into the rest of ... «Australian Mining, juil 12»
Xstrata to extend Ravensworth coal mine's life
... tailings pipelines; a substation; RCHPP and RCT; and fuel storage facilities, as well as new fire ventilation shafts and goaf drainage wells. «Australian Mining, juin 12»
Pike inquiry sheds light on issues
The inquiry heard the blast was blamed on a roof collapse in the hydro-mining goaf, a void left when coal is extracted, which pushed out an ... «The Press, avril 12»
