Department of Civil Engineering
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Traffic characteristics and bridge loading in South Africa
(Journal of the South African Institution of Civil Engineering, 2017-12)ENGLISH ABSTRACT: The loading model of the Technical Manual for Highways (TMH-7) published for bridge design in South Africa is in need of revision and simplification. The frequency of heavy vehicle loads has increased ... -
Sewer network design : heuristic algorithm for hydraulic optimisation
(South African Institution of Civil Engineering, 2017-09)ENGLISH ABSTRACT: For a given sewer network layout and choice of pipe material, the total installed cost of the network is determined mainly by the pipe diameters and slopes. Hydraulic design optimisation is the task of ... -
Revised regional sediment yield prediction methodology for ungauged catchments in South Africa
(South African Institution of Civil Engineering, 2017-06)ENGLISH ABSTRACT: This paper presents the research on the revision of the regional probabilistic method (Rooseboom et al 1992) for the prediction of catchment sediment yields in South Africa. The determination of sediment ... -
Review of climatic input data for wind load design in accordance with SANS 10160-3
(South African Institution of Civil Engineering, 2017-12)ENGLISH ABSTRACT: With the publication of Part 3 Wind Actions of the South African Loading Code SANS 10160:2010, several issues concerning adjustments from the reference standard Eurocode EN 1991-1-4:2004 could not be ... -
Planning for desalination in the context of the Western Cape water supply system
(South African Institution of Civil Engineering, 2017-03)ENGLISH ABSTRACT: As water demands continue to grow, South Africa is starting to consider seawater desalination as a potential future supply source, and it is currently being investigated at a feasibility level in a number ... -
Development of an updated fundamental basic wind speed map for SANS 10160-3
(South African Institution of Civil Engineering, 2017-11)ENGLISH ABSTRACT: This paper evaluates the need for updating the strong wind climate stipulations of South Africa for the design of structures in accordance with SANS 10160-3:2010, as based on the latest information presented ... -
An investigation into the evidence of seasonal rainfall pattern shifts in the Western Cape, South Africa
(South African Institution of Civil Engineering, 2017-12)ENGLISH ABSTRACT: Climate change is a highly contentious topic in the modern world. There is much evidence to indicate that climatic shifts and extreme weather anomalies are taking place globally, in some places more ... -
Alternative wall‑to‑slab connection systems in reinforced concrete structures
(South African Institution of Civil Engineering, 2017-09)ENGLISH ABSTRACT: In many reinforced concrete structures the walls precede the construction of the connecting floors. A system is, therefore, required to connect the floors to the already cast walls. There are many different ... -
Interventions to promote the use of seat belts
(Cochrane, 2014-07-24)This is the protocol for a review and there is no abstract. The objectives are as follows: To assess the effects of interventions promoting the use of seat belts. -
Supplementary household water sources to augment potable municipal supply in South Africa
(South African Water Research Commission, 2017-10)ENGLISH ABSTRACT: This paper addresses on-site supplementary household water sources with a focus on groundwater abstraction, rainwater harvesting and greywater reuse as available non-potable water sources to residential ... -
Corrosion deterioration of steel in cracked SHCC
(SpringerOpen, 2017)The presence of cracks is unavoidable in reinforced concrete structures and also a gateway for chloride into concrete, leading to corrosion of steel reinforcing bars. So, crack control, crack width limitation and chloride ... -
A conceptual theoretical framework to integrally assess the possible impacts of climate change on domestic irrigation water use
(South African Water Research Commission, 2015-10)Southern Africa is likely to experience higher evapotranspiration and altered rainfall characteristics due to global warming and climate change. Climate-driven water use may potentially stress water supply facilities due ... -
Potable water use of residential consumers in the Cape Town metropolitan area with access to groundwater as a supplementary household water source
(South African Water Research Commission, 2016-01)The potable water use recorded by 3 579 residential consumer water meters in Cape Town, South Africa, was analysed as part of this research. The focus was on elected residential properties in serviced areas, with additional ... -
Feasibility and geotechnical design of subsurface dams in dry ephemeral rivers for the augmentation of shallow groundwater supply
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Recent droughts and projected climate changes in South Africa make it an essential priority to augment water availability, particularly in the most vulnerable rural communities. The Molototsi River, a ... -
Estimating outdoor water use allowing for the possible impacts of climate change
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Climate change may stress water supply systems due to both diminishing water resources and rising climate driven water use. Reducing the sensitivity of residential outdoor water use to climatic factors ... -
The effect of controlled pressure adjustment on consumer water demand in an urban water distribution system
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Pressure management is commonly employed as part of water conservation and water demand management strategies in water distribution systems (WDS). Most of the earlier work on this subject focussed on ... -
Development of a procedure for separately allocating water leakage and other types of non-metered water to nodes in the hydraulic model
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The correct allocation of water loss to nodes in hydraulic models of water distribution systems is an important consideration for the purposes of designing such systems. Some components of total water ... -
An assessment of the inherent reliability of SANS 10162-2 for cold-formed steel columns using the direct strength method
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: With their thin and slender nature, Cold formed Steel (CFS) elements can be forged into a large variety of cross sections. It is recommended that the Direct Strength Method (DSM), a modern design method, ... -
The minimum site investigation requirements needed to define site conditions considering the results of ground investigations and its true reflection of actual site conditions found during construction
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The success of civil engineering projects, whether it involves the construction of houses, bridges, roads or tunnels, depend largely on the adequate identification of subsurface conditions. Geotechnical ... -
Target reliability of concrete structures governed by serviceability limit state design
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Structures are typically designed for the ultimate limit state (ULS) while the serviceability limit state (SLS) is checked. However, in many cases the design is governed by SLS requirements. The target ...
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