Participative Management Employee Participation in the Wealth of Mining Companies, an Employee Share Ownership Participation Scheme Focus
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.
by André William Dougall | 2004
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.
R1500,00
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Flammability, corrosion resistance and environment by V Mhlawakhe.pdf
Laboratory work turning high ash coal fines into moulded building composites, comparing coal tar pitch against a silicone binder, with strength, burning, corrosion and leaching tests. For product developers.
What this report foundAir blowing converted coal tar into a pitch with 11.27% volatile matter and 87.68% fixed carbon, which bound high ash coal fines into structural composites.
R1500,00
Air blowing converted coal tar into a pitch with 11.27% volatile matter and 87.68% fixed carbon, which bound high ash coal fines into structural composites. Compressive strengths ran from 106.58 to 344.71 MPa and flexural strengths from 48.75 to 159.30 MPa. Flammability was low across all composites and corrosion rates stayed below those of some commercial ceramic tiles.
Improved Utilization of Underground Coal Reserves
2016
Working reference on high extraction methods, from stooping and rib pillar extraction to auger, punch, longwall and backfilling, drawn from South African colliery experience for mine planners.
What this report foundAbout 3.19 billion tons of coal now sits underground in pillars, growing by roughly 110 million tons a year under current bord and pillar practice.
R1500,00
About 3.19 billion tons of coal now sits underground in pillars, growing by roughly 110 million tons a year under current bord and pillar practice. Pillars with a safety factor of about 1.8 or higher can be extracted successfully, and 1.5 is permissible in thin seams where the pillar width to height ratio exceeds 10.