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Browsing Research Articles (Civil Engineering) by Issue Date
Now showing items 81-100 of 286
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(Southern African Alliance for Sport Science, Physical Education and Recreation, 2014)Various mountain bike trails exist in South Africa, but their difficulty ratings are generally unknown. By classifying the trails, risk of injury and uncertainty can be limited as information are provided on the difficulty ...
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(Southern African Alliance for Sport Science, Physical Education and Recreation, 2014)Tyre-road rolling resistance is a major factor in the performance of a vehicle. By investigating the rolling resistance, a better understanding of the efficiency of different wheel diameters will develop. A major issue in ...
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(SUN MeDIA, 2014)The article describes the application of a GIS-based accessibility measurement technique suited to assessing the impact of both transport and spatial development strategies on the location-specific affordability of job ...
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(Transportation Research Board of the National Academies, 2014)As user charging increasingly supplements taxation as a transport financing mechanism worldwide, the need to measure and understand its distributional impacts across affected groups grows more critical. The case of the ...
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(American Society of Civil Engineers, 2014-01)The paper describes the use of gaming simulation in the teaching of integrated land use–transportation planning as a part of an undergraduate civil engineering course. A key innovation of the UPTown game developed at the ...
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(American Society of Civil Engineers, 2014-02)The design of a railway track substructure requires a realistic understanding of the resilient behavior of the underlying track foundation materials, namely, the subballast and subgrade layers. Currently, the best available ...
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(Institution of Civil Engineering, 2014-03)Recent roof failures in South Africa, of multiple ply nail plated trusses, have necessitated a rethink about the way in which timber trusses are analysed. The authors believe that the relative slip between plies caused by ...
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(South African Institution of Civil Engineering, 2014-04)Travel along unpaved roads is not always assured, because of their low standards, poor riding quality, impassability in wet weather, and the danger in the quantity of dust that is generated by moving vehicles and wind. ...
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(3SMedia, 2014-04)The development process of renewable energy resources in South Africa was spearheaded by the White Paper on Renewable Energy in November 2003. This document established a generation target of 10 000 GWh per annum from ...
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(South African Institution of Civil Engineering, 2014-04)Finite Element methods have been used by civil and structural engineers since the 1960s, and the theory behind this is well researched. However, there is still a lack of direction on how to use the information obtained ...
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(South African Institution of Civil Engineering, 2014-06)Although the electrification of urban areas and some informal settlements in South Africa has been achieved during recent years, many rural areas still require intervention to provide a reliable and sustainable electricity ...
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(South African Institution of Civil Engineering, 2014-06)During the following years civil engineers, hydrologists and mathematicians were unable to determine the cause of these anomalies. Now, here in South Africa, as well as in many other countries with dry climates, the demand ...
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(South African Institution of Civil Engineering, 2014-08)New performance-based design codes are currently being developed, where the design life of reinforced concrete structures will be estimated by taking into account not only the time to initiation of reinforcement corrosion, ...
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(Elsevier, 2014-09)Diagonal bracing is a common method used in South Africa for the bracing of timber trussed roofs with spans of less than 9 m. In the typical diagonally braced roof system, the brace is placed on the underside of the ...
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(South African Institution of Civil Engineering, 2014-10)In this paper the effect of sodium oxide concentration, the water-to-binder-solids ratio, temperature, and the duration of elevated temperature curing on the compressive strength of alkali-activated fly ash cement pastes ...
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(South African Institution of Civil Engineering, 2014-10)Eccentric reducers are traditionally recommended for the pump suction reducer fitting to allow for transportation of air through the fitting to the pump. The ability of a concentric reducer to provide an improved approach ...
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(South African Institution of Civil Engineering, 2014-10)In water distribution networks, water is often fed under gravity from a higher reservoir to another reservoir at a lower level. The residual pressure head at the receiving reservoir is then dissipated through control ...
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(South African Institution of Civil Engineering, 2014-10)The behaviour of collapsible soil is often quantified by conducting a Collapse Potential Test or double oedometer test. However, these tests interpret the soil behaviour in terms of total stress, while it is well known ...
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(Elsevier, 2014-12)Informal paratransit operators using a range of vehicle types (including pickup trucks, small buses, and motorcycles) are a major provider of mobility in rural areas of the developing world. The paper describes a mixed ...
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(Thomas Telford, 2015)This paper reports on the results of an investigation into the possibility of producing dry powder alkali-activated slag cements as a ready-to-use product which can be packed in bags and mixed with water to produce a ...
Now showing items 81-100 of 286