Vertical displacement estimation in roof and floor of an underground powerhouse cavern
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2018.03.010
Abstract: Abstract Vertical displacement (VD) estimation is one of the most important topics in construction of an underground powerhouse cavern. This phenomenon commonly depends on excavation progress and corresponding geometrical, geological and geomechanical conditions of surrounding… read more here.
Keywords: powerhouse; analysis; powerhouse cavern; vertical displacement ... See more keywords
Mineralogy characterization and recovery of rare earth elements from the roof and floor materials of the Guxu coalfield
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2020.117533
Abstract: Abstract Three segments of a core sample collected from the Guxu coalfield (Sichuan Province, China) were evaluated to determine the rare earth element (REE) leachability and mineralogy. Elemental analysis of the three samples showed that… read more here.
Keywords: recovery; mineralogy; rare earth; roof floor ... See more keywords
The influence of the roof and floor geological structures on the ash composition produced from coal at UCG temperatures
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Coal Preparation and Utilization"
DOI: 10.1080/19392699.2018.1479260
Abstract: ABSTRACT The mineralogy of the ash and slag formed at typical UCG temperatures were investigated using a bituminous coal from the Theunissen UCG site in the Free State province of South Africa. The ash and… read more here.
Keywords: temperature; floor geological; ucg temperatures; produced coal ... See more keywords