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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Drill dust and noise abatement using foams

Lewis, Gordon Vernon January 1974 (has links)
No description available.
12

Cost-effective strategies for dust control in an opencast coal mine

Amponsah-Dacosta, Francis 03 March 2015 (has links)
Thesis (M.Sc. (Engineering))--University of the Witwatersrand, Faculty of Engineering, 1987.
13

Ignition and initiation of coal mine explosions

Landman, Gysbert van Rooyen 24 March 2015 (has links)
Thesis (Ph.D. (Mining Engineering))--University of the Witwatersrand, Faculty of Engineering,1992.
14

The inhibition of coal-dust explosions with stone dust in a large scale explosion gallery.

Cook, Patrick Michael. January 1992 (has links)
A dissertation submitted to the Faculty of Engineering, University of the Witwatersrand, Johannesburg, in fulfillment of the requirements for the degree of Master of Science in Engineering / Regulation 10.24 of the Minerals Act (1991) of the Republic of South Africa is applied for the purpose of preventing the development and propagation of coal-dust explosions in underground coal mines. ( Abbreviation abstract ) / AC2017
15

Characterising and mapping of wind transported sediment associated with opencast gypsum mining

Van Jaarsveld, Francis 03 1900 (has links)
Thesis (MSc (Earth Sciences))--Stellenbosch University, 2008. / This study aims to provide a practical tool for the prediction and management of dust generated by the activities of an opencast mining operation. The study was conducted on opencast gypsum mines in the semi-arid environment of the Bushmanland, 90 km north of Loeriesfontein in the Northern Cape Province from April 2000 to October 2007. The vertical and horizontal components of wind transported sediment were sampled and a dust settling model was designed to predict the settling pattern of dust generated by opencast mining operations. The model was applied to soil samples collected from an area surrounding a mine. The influence sphere of the mining operation was predicted by the application of the model and then mapped. Once the influence sphere is mapped, the dust influence can be managed with the aid of an onsite weather station. By further applying the predictions based on climatic data, the influence sphere can be modelled. The model is not only applicable to the planning phase of an opencast mine to plan the position of dust sensitive areas like the living quarters, office buildings and workshops etc., but also to indicate the historical impact that a mining operation had once a quarry on an active mine is worked out and rehabilitated or a mine is closed. The model application can also aid with the explanation and visual or graphic representation of the predicted impact of planned mining operations on communities or neighbouring activities to them and thus avoid later penalties.

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