Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Van Schalkwyk, Antoinette"
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Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Van Schalkwyk, Antoinette"
Now showing items 1-14 of 14
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(University of Pretoria, 1992)This document attempts to give broad and consequently simplified background information pertinent to understanding the significance of the need to characterise the stability of dolomitic land prior to development. A single ...
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(University of Pretoria, 2011-09-23)Ralstonia solanacearum, a widely distributed soil-borne pathogen belonging to the β- subdivision of Proteobacteria, causes a lethal wilting disease of more than 450 plants species, including economically important crops ...
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(University of Pretoria, 2019)African horse sickness virus (AHSV) is a member of the Orbivirus genus within the Reoviridae family and the aetiological agent for African horse sickness (AHS). It is an arthropod-borne virus transmitted by biting midges ...
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(University of Pretoria, 1993)Karst aquifers frequently consist of large interconnected solution cavities and fracture zones in the bedrock or as highly leached residual materials. The high recharge rate, permeability and storativity of these aquifers ...
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(University of Pretoria, 1990)Problems with erosion in unlined spillways of dams, have caused environmental and safety hazards, and necessitate the development of reliable scientific methods to assess the erodibility of the bedrock material. In an ...
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(University of Pretoria, 2007-12-20)Gold mining in South Africa resulted in vast volumes of waste material, mainly in the form of tailings material. Poor management of most of the tailings dams resulted in the release of acid mine drainage that in some cases ...
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(University of Pretoria, 2006-12-04)Groundwater is an important natural resource and ought to be protected. Groundwater recharge and contamination are two important aspects in groundwater management. Both these aspects apply to the vadose zone. The research ...
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(University of Pretoria, 1982)Large portions of the Transvaal Province, where urban development has taken place and which may be considered for future development, are underlain by dolomite of the Chuniespoort Group. In response to the sinkholes which ...
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(University of Pretoria, 1984)A resume of the pioneering history of the Far West Rand region is followed by a review of mining activities in the area. The counter-productive influence of sinkholes on development since 1962 is rated against the mining, ...
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(University of Pretoria, 2008-09-25)Please read the abstract in the section, 00front, of this document
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(University of Pretoria, 1985)Dolomitic rocks of the Chuniespoort Group south of Pretoria contain karstic depressions filled with younger sediments. Constructions underlain by these sediments were recently damaged which necessitated a sedimentological ...
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(University of Pretoria, 2007-04-07)Please read the abstract in the section 00front of this document
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(University of Pretoria, 1990)The area south of Pretoria is presently experiencing a rapid growth in township development. This area is situated between Pretoria and Johannesburg and its popularity can be ascribed to the good infrastructure which makes ...
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(University of Pretoria, 1986)The geotechnical investigation of most sites located on dolomite invariably includes the assessment of the nature and properties of the residual weathering product of the dolomite, termed "wad". Ironically, much confusion ...
Now showing items 1-14 of 14