Search for dissertations about: "caving analysis"

Showing result 1 - 5 of 14 swedish dissertations containing the words caving analysis.

  1. 1. Caving mechanisms for a non-daylighting orebody

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Sraj Umar Banda; Jonny Sjöberg; Björn Nilsen; [2017]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; sublevel caving; numerical analysis; laser scanning; seismic data; large-scale structure; rock mass characterization; failure mechanism; discontinuum modeling; continuum modeling; caving analysis; voronoi modeling; bonded block model; Mining and Rock Engineering; Gruv- och berganläggningsteknik;

    Abstract : The sublevel caving mining method is a mass production method with potentially very low operational costs. The success of this method is dependent on, among other factors, the cavability of the orebody and the overlying rock mass. READ MORE

  2. 2. Waste rock content variations during gravity flow in sublevel caving analysis of full-scale experiments and numerical simulations

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Peter Gustafsson; [1998]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Gruv- och Berganläggningsteknik; Mining and Rock Engineering;

    Abstract : När man lastar i en skivrasgruva så märker man ofta att gråbergshalten varierar på ett oregelbundet sätt. Denna variation är oönskad på grund av att den leder till gråbergsinblandning och malmförluster. READ MORE

  3. 3. Assessment of rock mass quality and its effects on charge ability using drill monitoring technique

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Rajib Ghosh; Håkan Schunnesson; Nuray Demirel; [2017]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Underground mining; Sublevel caving; Rock mass quality; Borehole filming; Borehole quality; Borehole stability; Borehole instability; Drill monitoring technique; Measurement While Drilling MWD ; Hydraulic in-the-hole ITH drilling; Drill system behaviour; Principal Component Analysis PCA ; Geo-mechanical model; Chargeability; Fracture zone; Shear zone; Cave-in; Cavity; Rock blasting; Gruv- och Berganläggningsteknik; Mining and Rock Engineering;

    Abstract : For an efficient mining operation, it is essential to have as much information as possible aboutthe ore to be excavated and the rock masses surrounding the ore. Geological information andthe content and distribution of extractable minerals, are central concerns for long term mineplanning. READ MORE

  4. 4. Hanging wall stability of sublevel caving mines in Sweden

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Alvaro Herdocia; [1991]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Gruv- och Berganläggningsteknik; Mining and Rock Engineering;

    Abstract : Mining with sublevel caving implies a drastic destruction of the ground surface in the area conforming the hanging wall of the mine. The extent of this affected zone is of little importance in unpopulated areas, but becomes of utmost economic significance when there are mine installations or a town site located on it. READ MORE

  5. 5. Towards understanding breakage and flow in sublevel caving (SLC) Development of new measurement techniques and results from full-scale tests

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Matthias Wimmer; [2012]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mining and Rock Engineering; Gruv- och Berganläggningsteknik;

    Abstract : Blast function, fragmentation and gravity flow are core elements for sublevel caving (SLC). For the ore recovery to be as high and the waste rock dilution as low as possible all three elements have to work as planned. READ MORE