Browsing Research Articles (Civil Engineering) by Type "Article"

Browsing Research Articles (Civil Engineering) by Type "Article"

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  • Access envelopes : a new accessibility mapping technique for transport and settlement planning 
    Venter, C.J. (Christoffel Jacobus); Cross, Catherine (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 ...
  • Active control of properties of fresh and hardening concrete 
    De Schutter, Geert; Abidi, Imene; Korda, Eleni; Boshoff, W.P. (Billy); Olonade, Kolawole Adisa; Snoeck, Didier; Muthukrishnan, Shravan; Zhang, Yiyuan; Tao, Yaxin; Ghodke, Swapnil Balasaheb; Mohan, Manu Kurungod; Yardimci, Mert Yücel; Jiao, Dengwu; Sanjayan, Jay (RILEM Technical Letters, 2024-09)
    Concrete mixtures have an optimized mix design in view of attaining desired properties. However, after mixing, during further processing, it is typically not possible to further adjust the performance of the fresh and ...
  • Advanced numerical modelling of the nonlinear mechanical behaviour of a laterally loaded pile embedded in stiff unsaturated clay 
    Braun, Kirsten Theresia; Bakas, N.; Markou, George; Jacobsz, Schalk Willem (South African Institution of Civil Engineering, 2023-06)
    Capturing and understanding the ultimate limit state behaviour of reinforced concrete piles embedded in soil requires the use of advanced tools or the performance of expensive tests. An experiment was performed where ...
  • Advancing the digital railway with 4IR technologies 
    Grabe, Petrus Johannes; Mpye, Godisang David; Vandoorne, Rick; Broekman, Andre; Pienaar, Daniel; Hawley, Chad; Van Schalkwyk, Hein (South African Institution of Civil Engineering, 2021-05)
    The launch of Engineering 4.0 on 30 November 2020 at the University of Pretoria’s Hillcrest campus marked the start of an ambitious endeavour to realise data-driven smart cities and transportation networks.
  • Analysis of timber girder trusses for eccentric loading 
    Burdzik, W.M.G. (South African Institution of Civil Engineering, 2004)
    Recent timber trussed roof failures in South Africa, especially in Gauteng, of large-span trusses have necessitated a rethink about the analysis of timber trusses in general, but especially primary girder trusses, which ...
  • Applicability of the Eurocode timber connector design formulae to connections in round poles 
    Burdzik, W.M.G. (South African Institution of Civil Engineering, 1997)
    The Eurocode 5 (1995) timber connection design formulae are discussed briefly and applied to the usual standard bolted or nailed South African round timber pole connections to obtain theoretical strengths. These theoretical ...
  • The application and interpretation of linear finite element analysis results in the design and detailing of hogging moment regions in reinforced concrete flat plates 
    Skorpen, Sarah Anne; Dekker, N.W. (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 ...
  • Application of a modern laser technique to evaluate the performance of recycled railway ballast 
    Mvelase, G.M.; Anochie-boateng. J.K.; Grabe, P.J. (Hannes) (South African Institution of Civil Engineering, 2022-12)
    The performance of railway track structure is influenced by the ballast shape properties including roundness, flatness, elongation, sphericity, angularity and surface texture. The challenge is how to accurately measure ...
  • The application of continuous surface wave testing for settlement analysis with reference to a full-scale load test for a bridge at Pont Melin, Wales, UK 
    Heymann, Gerhard; Rigby-Jones, J.; Milne, C.A. (South African Institution of Civil Engineering, 2017-06)
    The presence of a significant thickness of soft silts beneath the site of a proposed new road bridge caused concerns over the suitability of shallow foundations. Despite extensive conventional ground investigations, it ...
  • Application of hub-and-spoke networks in sparse markets : the case of Africa 
    Ssamula, Bridget; Venter, C.J. (Christoffel Jacobus) (Journal of Transport Economics and Policy, 2013-05)
    Hub-and-spoke networks hold promise for decreasing costs and increasing connectivity in air transport markets in countries characterised by sparse demand conditions. This paper examines suitable hub-location and network ...
  • Application of unsaturated soil mechanics – two years on 
    Gaspar, Tiago Alexandre Valentim; Vandoorne, Rick; Jacobsz, Schalk Willem; Heymann, Gerhard; Grabe, Petrus Johannes (South African Institution of Civil Engineering, 2021-04)
    In recent years, technological advancements in the field of unsaturated soil mechanics have helped improve understanding in this field for both researchers and engineering practitioners. Gaspar & Jacobsz (2019) ...
  • Applications of response sensitivity analysis in earthquake engineering 
    Roth, C.P. (Chris); Grigoriu, Mircea D. (South African Institution of Civil Engineering, 2010-10)
    Response sensitivity analysis as a part of dynamic finite element structural analysis has many applications to structures of realistic scale and complexity in earthquake engineering. A demonstration project, consisting of ...
  • Avoiding structural failures on mobile bulk materials handling equipment 
    Schmidt, M.J.; Janse van Rensburg, Ben W. (Southern African Institute of Mining and Metallurgy, 2015-03)
    Bulk materials handling systems are extensively used in the mining and minerals industry, where a fairly high incidence of structural failure is experienced, notwithstanding design compliance with appropriate standards. ...
  • Axle load and track deflection on a heavy haul line 
    Vorster, Daniel Jacobus; Grabe, Petrus Johannes (South African Institution of Civil Engineering, 2010-05)
    No abstract available.
  • Benchmarking the structural condition of flexible pavements with deflection bowl parameters 
    Horak, Emile (South African Institution of Civil Engineering, 2008-06)
    The falling weight deflectometer (FWD) is used worldwide as an established, valuable, nondestructive road testing device for pavement structural analyses. The FWD is used mostly for rehabilitation project level design ...
  • Better understanding and not just "an app" needed to improve public transport 
    Mphela, Austin (ICE Publishing, 2022-09)
    When I started my vacation work at the CSIR, I was asked what innovation would be necessary to improve public transport. I immediately said we need apps for a number of interventions. At the top of the list was an app for ...
  • Bloemwater conduit hydropower plant launched 
    Van Dijk, Marco; Kgwale, Mokutu; Bhagwan, Jay; Loots, Ione (South African Institution of Civil Engineering, 2015-06)
    On 31 March 2015 the Minister of Water and Sanitation, Nomvula Mokonyane, unveiled Bloemwater's conduit hydropower facility at the Brandkop Reservoir, and celebrated the major scientific and engineering achievements made ...
  • Bloemwater head office is going green 
    Kgwale, Mokutu; Van Dijk, Marco; Bhagwan, Jay (South African Institution of Civil Engineering, 2013-08)
    British Prime Minister Winston Churchill stated the following in his speech The Locust Years in November 1936 to the House of Commons: The era of procrastination, of half-measures, of soothing and baffling expedients, of ...
  • Bracing of timber roofs 
    Burdzik, W.M.G.; Dekker, N.W. (South African Institution of Civil Engineering, 1999)
    Problems attributed to the bracing of timber roofs have necessitated a fresh look at the bracing criterion given in the timber design code, SABS 0163 (1994). The difference between bracing provided for stability of the ...
  • Brazilian tensile strength test conducted on ductile unsaturated soil samples 
    Gaspar, Tiago Alexandre Valentim; Jacobsz, Schalk Willem (ASTM International, 2021-05)
    The tensile strength of soil is often neglected. Because of the presence of matric suction, unsaturated soils may have substantial tensile strengths with implications for a range of geotechnical problems, such as slope ...