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Browsing by Subject "Civil engineering"

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Civils are “Sharp!”

Author: Wall, K Date: Jul 2010 South Africa succeeded in hosting a successful 2010 FIFA world cup. It is, however a triumph of African civil engineering. All the stadia and associated works were completed on time, despite extremely tight design and construction schedules. ... Read more
Hydrochemical characteristics of aquifers near Sutherland in the Western Karoo, South Africa

Author: Adams, S ; Titus, R ; Pietersen, K ; Tredoux, G ; Harris, C Date: 15 Jan 2001 The Western Karoo depends entirely on groundwater for domestic and agricultural use. An understanding of the chemical evolution of the groundwater provides insight into the interaction of water with the environment and contributes to better ... Read more
Improving access to transport in developing countries

Author: Savill, T ; Stone, J ; Venter, C ; Maunder, D Date: Jun 2003 Improving access and mobility of people with disabilities is an essential component of the alleviation of poverty in developing countries. Disabled people are among the most socially excluded members of society and poorly designed and ... Read more
Mechanistic modelling of weak interlayers in flexible and semi-flexible road pavements: Part 2

Author: De Beer, Morris ; Maina, JW ; Netterberg, F Date: Apr 2012 This paper (Part 2 of a two-part set of papers) discusses models and illustrates the adverse effects of weak layers, interlayers, laminations and/or weak interfaces in flexible and semi-flexible pavements, also incorporating lightly cemented ... Read more
Modelling of the effect of discontinuities on the extent of the fracture zone surrounding deep tunnels

Author: Sellers, EJ ; Klerck, P Date: Oct 2000 A series of physical and numerical model tests were performed to investigate the behaviour of the rock surrounding circular excavations under high confining pressures. The aim was to provide information on the formation of fractures around ... Read more
National Infrastructure Maintenance Strategy and its implementation

Author: Wall, K Date: Oct 2008 The National Infrastructure Maintenance Strategy (NIMS) was approved by Cabinet in 2006. This Strategy sets overarching policy for sector-based initiatives and describes the framework for a coordinated programme of actions. It is an essential ... Read more
Relationship between index testing and California Bearing Ratio values for natural road construction materials in South Africa

Author: Breytenbach, IJ ; Paige-Green, P ; Van Rooy, JL Date: Oct 2010 Research was done to determine whether a relationship can be established between index testing and CBR (California Bearing Ratio) results. The process involved compiling a database of test results for a range of rock material types across ... Read more
SA stands on the shoulders of 100 years of innovation

Author: Wall, K Date: May 2010 Aircraft and the motor car, with improved roads, have revolutionised inter-city travel; the internet has revolutionised how learners prepare assignments; computers have revolutionised data sorting and analysis, and so on. This newspaper article ... Read more
Tornado risk model for transmission line design

Author: Milford, RV ; Goliger, Adam M Date: Nov 1997 A tornado risk model for transmission line design has been developed. The risk model is based on the McDonald model for point structures and has been developed such that it can be simplified for applications in codes of practice and design ... Read more
User perceptions regarding sanitation technologies in South Africa

Author: Duncker, Louiza C Date: Sep 2014 Research in South Africa showed that in most cases the sanitation technology implemented in rural and peri-urban areas seemed to be adequate in providing sanitation services, but that these technologies are under strain due to their incorrect ... Read more
Variation in water-use efficiency and delta-C-13 levels in eucalyptus-grandis clones

Author: Olbrich, BW ; Le Roux, D ; Poulter, AG ; Bond, WJ ; Stock, WD Date: 01 Oct 1993 This study aimed to determine whether the delta-C-13 levels in the foliage and twigs of four Eucalyptus grandis clones were related to their water use efficiency (WUE). This relationship has previously been demonstrated in a number of herbaceous ... Read more
Weak interlayers in flexible and semi-flexible road pavements: Part 1

Author: Netterberg, F ; De Beer, Morris Date: Apr 2012 Weak layers, interlayers, laminations and/or interfaces in the upper structural layers of road pavements are specifically prohibited in most road-building specifications. However, such layers are extremely common and often lead to premature ... Read more

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Browsing by Subject "Civil engineering"

Browsing by Subject "Civil engineering"

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