Department of Civil Engineering
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Stormwater pond metals and solids removal efficiency determination with the effluent probability method : a novel classification system
(South African Institution of Civil Engineering, 2016)This technical note contains findings from a larger research project into the design of stormwater detention and retention ponds for removal of metals and solids. The project required a standard system with which case ...
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Stormwater pond efficiency determinations with the effluent probability method : the use of mass versus concentration parameters
(South African Institution of Civil Engineering, 2016)Use of the concentration parameter has in the past generally been favoured in stormwater structure efficiency determinations, and specifically with use of the Effluent Probability Method. However, efficiency is by definition ...
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Hydraulic model study of the blowback behaviour of the bottom outlet of the Berg River Dam, South Africa
(South African Institution of Civil Engineering, 2016)The Berg River Dam is equipped with the first multi-level draw-off environmental flood release outlet in South Africa and can release flows up to about 200 m3/s. The outlet is controlled by a radial gate at the outlet end, ...
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A comparison of technical and practical aspects of Eurocode 3-1-1 and SANS 10162-1 hot-rolled steelwork design codes
(South African Institution of Civil Engineering, 2016)In South Africa engineers are starting to use the Eurocode guidelines for steelwork design, and it is important to understand the implications and differences in results that are obtained when applying the different codes. ...
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Seismic evaluation of the northbound N1/R300 bridge interchange
(South African Institution of Civil Engineering, 2016)The design of the Stellenberg Interchange was finalised in 1982, with construction completed in 1986. The bridge was designed using a code of practice which did not include any requirements for seismic excitation. This ...
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Investigating the sustainability of the freeway management system and feasibility of implementing a connected vehicle environment in the Western Cape : conceptual design of a connected vehicle environment in Cape Town
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Please refer to full text for abstract
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Validation of TomTom historical average speeds on freeway segments in Gauteng, South Africa
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Traditional methods of traffic data collection, such as inductive loops and road sensors, continue to be the main source of traffic data. The advancement in technology and vehicle tracking methods has ...
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Economic evaluation of a fully integrated intelligent transportation system in Stellenbosch using the tops-bc tool
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Transportation plays a fundamental part in the social and economic functioning of a society, since it permits the movement of individuals and products to their destination. A reliable transportation system ...
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Site characterization and foundation design for the emplacement of radio telescope antennas at the Matjiesfontein Space Geodesy Observatory
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The suitability of the Matjiesfontein Space Geodesy Observatory (MSGO) site for hosting radio telescope antennas is partially dictated by certain civil engineering considerations. These include ...
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The introduction of average speed over distance cameras as a road safety tool to reduce excessive speeds and accidents on the roads of the Western Cape, South Africa
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Road safety is a joint responsibility of the road users, design engineers, maintenance teams, law enforcement teams and the various departments within governments that are related to transport and road ...
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Geotechnical input in embankment dam construction and the influence of geosynthetics in the overall design
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Dams have played an important part in history, with some of the earliest civilizations like the Egyptians and Mesopotamians, constructing some of the first ever. Early examples ranged from simplistic ...
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The optimisation of web-tapered portal frame buildings
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Web-tapered members are widely advocated as a cost-effective alternative to conventional structural sections for portal frames. These non-prismatic members improve the distribution of internal stresses ...
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Comparative construction costs of typical low-rise office buildings in South Africa
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Low-rise multi-storey office buildings are required globally on a regular basis, and have thus become an increasingly important field within the engineering industry. A critical decision that has to be ...
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Durban container terminal: capacity analysis and the feasibility of a dry port
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: This thesis presents an analysis of the Durban Container Terminal (DCT), which consists of Pier 1 and Pier 2. The study was conducted due to the DCT reaching its maximum capacity in the next few years. ...
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A synthesis of the coastal geophysical characteristics of sandy beaches along the South African coastline
(Stellenbosch -- Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The purpose of this thesis was to evaluate the relationships between the coastal geophysical characteristics of the coastal regions of South Africa and to provide an overall, systematic characterization ...
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Development of an optimised set of welded steel I-sections
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: This thesis reports on the search for an optimal set of standard welded I-sections to replace the currently used set of hot-rolled and welded I-sections, listed in the Southern African Institute of Steel ...
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SWASH: A robust numerical model for shallow water coastal engineering applications
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Integral to coastal engineering design is the understanding and analysis of the wave climate at an arbitrary site under consideration. In most cases, these wave climate and extreme conditions are simulated ...
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Accessibility index to public facilities for prioritisation of community access road development
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: A number of studies have acknowledged the positive impacts that rural roads have on the social and economic development of a region. This impact is due to the increased accessibility offered by road ...
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Quality of project documentation as a major risk source in infrastructure projects in South Africa
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: It is a common occurrence for infrastructure projects to exceed the planned project cost and time and clients very often provide a contingency amount to counter the effects of such eventualities. The ...
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Predicting the failure load of steel columns weakened to facilitate demolition of structures
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Minimal research has been conducted to date on how to analyse weakened columns, thus safety risks are still involved when structures are weakened prior to demolition. There are various methods to demolish ...
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An open-source implementation to predict buckling behaviour of cold-formed sections
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The deformation and buckling behaviour of cold-formed sections is a popular research topic. It is currently being studied at Stellenbosch University, but only a few tools exist to aid such research ...
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Resource-constrained scheduling for construction projects
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Project management and scheduling has been the topic of research for years, yet projects in industry are often completed after the deadline and significantly over budget. There is a large discrepancy ...
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Software to aid in the detailed design of tall post-tensioned concrete wind turbine towers
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: In engineering practice, the process associated with the detailed design of wind turbine towers is often an overwhelming task. This is particularly the case when using sophisticated Finite Element Method ...
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Using superabsorbent polymers in high performance concrete to mitigate autogenous and plastic shrinkage while observing the compressive strength
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The use of high performance concrete (HPC) is relatively new in South Africa and guidelines on its production and use is lacking in the local construction industry. Conventional mix design methods are not ...
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Estimating groundwater abstraction by means of a probability model.
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Abstracted groundwater can be used as a valuable resource supplementary to the potable municipal supply in urban areas. Previous research has demonstrated groundwater to be ideal for irrigation purposes ...
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Characterisation and Evaluations of the Mechanical Properties of Alternative Masonry Units
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: One of the greatest challenges facing the South African government is the provision of adequate and affordable housing to the 1.1 million families still living in informal settlements. Currently, the ...
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The structural use of alkali activated materials (Geopolymers)
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Alkali activated materials (AAMs), also referred to as geopolymer concretes, are a new generation of alternative construction materials, which are formed through the alkali activation of clinker-free ...
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Strong winds in South Africa : part 2 : mapping of updated statistics
(South African Institution of Civil Engineering, 2013-08)Although wind is the most important environmental action on buildings and structures in South Africa, the last comprehensive strong wind analysis was conducted in 1985. The current wind loading code is still based on the ...
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Strong winds in South Africa : part 1 : application of estimation methods
(South African Institution of Civil Engineering, 2013-08)The accurate estimation of strong winds is of cardinal importance to the built environment, particularly in South Africa, where wind loading represents the dominant environmental action to be considered in the design of ...
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The management of constructability knowledge in the building industry through lessons learnt programme
(South African Institution of Civil Engineering, 2014-04)In the 1980s the term "constructability" evolved in the USA. The proponents of this concept believe that constructability, which embraces both design and management functions, is comprehensive in facilitating construction ...
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