Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
This chapter contains sections titled:
Introduction
Underground mining
Surface mining
This chapter contains sections titled:
Introduction
Underground mining
Surface mining
Geology and Coal Mining
Thomas, Larry (Autor:in)
Coal Geology ; 271-301
26.10.2012
31 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
effects of changes in coal seam on longwall mining , underground coal mine, four main operations carried out , shafts and adits, capital item when opening underground mines , underground mines, ‘downcast shaft’, and the ‘upcast shaft’ , horizontal stress on roof stability in mines, and ‘sacrificial roadways’ , coal mining, longwall mining and room and pillarmining , large walking dragline, mainstay for large surface coal mines , geology and coal mining
Elsevier | 1968
|Engineering Index Backfile | 1937
|Engineering Index Backfile | 1962
|Exploration and mining geology
UB Braunschweig | 1978
|Exploration and mining geology
TIBKAT | 1978
|