Dewatering and Drying of Fine Coal
R1500,00
Description
Related Products
Participative Management Employee Participation in the Wealth of Mining Companies, an Employee Share Ownership Participation Scheme Focus
2004
Postgraduate dissertation on share ownership in South African mining, drawing on British and American precedent and a worker attitude survey. For human resources and empowerment planners.
What this report foundEmployee share ownership participation schemes are presented as a route to spreading mining wealth more widely after apartheid.
R1500,00
Employee share ownership participation schemes are presented as a route to spreading mining wealth more widely after apartheid. They differ from profit sharing and pension arrangements in holding only the employer's own equity and in enlarging the company's capacity to borrow. Acceptance of such schemes in the South African mining industry was tested through an attitude survey of workers.
Verification of the New Coal Pillar Strength Formula and Investigations Into the Prediction of Pillar Life in Witbank and Highveld Coalfields
2004
Covers pillar load and strength estimation, the limits of tributary area theory, and the extraction gains available from revised strength formulae, for rock engineers designing bord and pillar workings.
What this report foundLaboratory testing showed coal specimen strength rising linearly with width to height ratio and falling exponentially with specimen size, the size effect...
R1500,00
Laboratory testing showed coal specimen strength rising linearly with width to height ratio and falling exponentially with specimen size, the size effect becoming insignificant beyond about 2 m diameter. The slope of that relationship was the same for coals from different mines, while the intercept varied with specimen size.