Coaltech Research Association

Audit and Diagnostic Assessment of Productivity in Continuous Miner Sections

SGE Ashworth

Mine level study of the human and social influences on continuous miner section output, using interviews, focus groups, observation and work study at participating collieries, for mine managers.

by SGE Ashworth | February 2003

What this report found

Section performance was limited by the will and motivation of the workforce, not by equipment, layout or technical competence, all of which were found sound. Team based bonus payments were the strongest motivator and reinforced cooperation across shifts and functions, but dependence on bonus income to meet monthly expenses turned it into a source of stress. Recognition in front of colleagues and family motivated strongly.

R1500,00

Description

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Dr Japie Viljoen

The Relationship Between Geological Structures and Dolerite Intrusions in the Witbank Highveld Coalfield, South Africa

Gideon Petrus Du Plessis

2008

Structural study of dolerite dykes and sills at four collieries south of the Ogies Dyke, linking intrusion geometry to mining conditions and coal quality. For mine geologists.

What this report foundDolerite intrusion mechanisms and their metamorphic effect on coal were examined across four collieries in the south eastern Witbank Coalfield.

R1500,00

R1500,00

Gideon Petrus Du Plessis

What this report found

Dolerite intrusion mechanisms and their metamorphic effect on coal were examined across four collieries in the south eastern Witbank Coalfield. In decreasing order of importance, intrusions cut safety by raising the risk of roof, pillar and floor failure, raise mining costs, reduce saleable tonnage, and increase waste generation and environmental risk.

Project 8.3.3 – Framework to Guide Mine-related Land Use Planning Towards Optimisation of the Coal Mining Rehabilitated Landscape

Raina Hattingh

2018

Masters research combining a review of rehabilitation guidance with South African industry interviews, for mine planners and regulators deciding what post mining land should become after closure.

What this report foundA framework for planning land use on rehabilitated coal mining land, built from a review of international and national regulatory and corporate guidance and...

R1500,00

R1500,00

Raina Hattingh

What this report found

A framework for planning land use on rehabilitated coal mining land, built from a review of international and national regulatory and corporate guidance and from interviews with industry practitioners. The review found that existing guidance requires land to be returned as close as possible to its pre mining condition, while community needs are pushing rehabilitation towards alternative land uses that can sustain livelihoods.

Dense-medium Fine Coal Processing: Tests Conducted at South Witbank Coal Mine

GJ de Korte

2003

Pilot scale dense medium testing on fine coal at a Witbank colliery after the plant was moved from an earlier site, with sampling, efficiency and magnetite results for plant designers.

What this report foundThe fine coal dense medium pilot plant was rebuilt at South Witbank Coal Mine and run on fine coal, with tests covering single, double and three stage...

R1500,00

R1500,00

GJ de Korte

200319 pages

What this report found

The fine coal dense medium pilot plant was rebuilt at South Witbank Coal Mine and run on fine coal, with tests covering single, double and three stage processing, the effect of recirculating load, magnetite size and losses, separation efficiency and continuous operation. The fast screen could not deliver the required capacity and was replaced by dewatering cyclones to deslime the feed.

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