Browsing Civil Engineering by Title
Now showing items 101-120 of 146
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A new approach to the polyaxial stress numerical analysis of underground openings.
(2012)The traditional design methodologies for tunnel and underground excavations are divided in to three categories: Empirical, Analytical, and Observational approaches, whereas in the last years the Numerical approach has ... -
Nitrate removal from treated landfill leachate using a mix of vegetable waste and immature compost as a carbon source (simulation) in batches.
(2014)The aim of this dissertation was to investigate how effective the process of removing nitrates from treated leachate, and if it is possible to apply to a landfill treatment plant. The leachate is high strength landfill ... -
Nitrate removal using compost and pine bark as a carbon source.
(2010-09-03)Emissions resulting from waste degradation processes have a high polluting potential and are responsible for negative impacts on the environment. Landfill leachate is hazardous for the human health and the environment ... -
Non-linear finite element analysis of the effects of fire protection on a top and seated angle bolted steel connection with double web angles.
(2017)This study was aimed at investigating the performance of steel structures, towards improving fire design, by examining the effects of fire protection on a steel connection exposed to elevated temperatures. A literature ... -
Numerical and experimental study of transient heat transfer through concrete.
(2001)The increase in temperature of developing concrete as a result of heat liberated by cementing reactions is the primary cause for thermally induced cracks in large concrete elements. It is very essential, in engineering ... -
Numerical evaluation of the dynamic response of structures using auxetic-type base isolation.
(2018)Base isolation is a widely-used method to minimise the harmful effects of earthquakes on buildings. Unlike a fixed base building, a building with a base isolation system essentially decouples the superstructure from the ... -
Numerical modelling of a geosynthetically reinforced sand mass undermined by a subgrade void.
(2016)The South African railway network is highly developed and the vast span of existing rail lines require maintenance and upkeep to ensure smooth running of locomotives. One of the problems faced by the rail industry is ... -
A numerical study of bacteria transport through porous media using the green element method.
(2000)The continued widespread contamination of the subsurface environment by microbial pathogens and chemical wastes has resulted in an increased interest in the factors that influence microbial transport through porous ... -
Odour management at landfills.
(2005)Landfill sites that are situated near residential zones pose significant management challenges. One of the key issues concerns odour emissions; they can be a major cause of public opposition to the existence of landfills. ... -
On weather and waves : applications to coastal engineering.
(2015)Shoreline erosion in response to extreme wave events can be severe. The reduction in beach width leaves development within the hinterland exposed and vulnerable to future wave attack. Wave climates are a fundamental ... -
Operational greenhouse gas emissions of public transportation in the eThekwini Municipality.
(2015)The transport sector is responsible for the production of approximately 23% of worldwide greenhouse gas (GHG) emissions, highlighting the responsibility and opportunity for efficient mobility. Sustainable measures must ... -
Optimization of the construction of VIP toilet sanitation at clinics in rural area.
(2009)No abstract available. -
Optimization of the natural frequency of hybrid, multi-scale graphene/fibre reinforced nanocomposite laminates.
(2020)The optimal solution of the natural vibration problem is investigated in this thesis, for a hybrid, multi-scale graphene/fibre reinforced composite laminate plate. Although several research outputs have been published on ... -
Pathogenic pollution of the Baynespruit.
(2011)The status of the Baynespruit bacteriological water quality is very alarming - E-coli concentrations have far exceeded the allowable limit of both local and international guidelines for more than a decade, namely 2000-2010. ... -
Predicting shoreline response to wave and sea level trends.
(2012)In March 2007 the KwaZulu-Natal coastline was devastated by an extreme storm event. There is international concern that such events are associated with climate change. There is evidence of global changes in climate but ... -
Prediction, management and control of odour from landfill sites.
(2002)Due to the spread of urbanisation and increased environmental awareness, odour has become a major problem in communities surrounding landfills. The aim of this research was to investigate odour emissions from landfills ... -
Radar reflectivity infilling techniques.
(2005)Weather radar provides a detailed spatial representation of rainfall over a large area and in a real time basis. It has proven to be a valuable tool for hydrologists, agriculturalists and organisations that require accurate ... -
The regional effect of water table lowering in the Durban area
(2010-09-09)No abstract available. -
The relationship between the infrastructure, within the palmiet catchment, and the condition of the Palmiet River water quality and Riparian zone.
(2016)The construction and daily operation of infrastructure systems, has imposed significant negative consequences on the natural environment. The primary aim of this study was to explore the relationship between the ...