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- 2.7 ENVIRONMENTAL ENGINEERING (1)
- Concrete (1)
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- Dissolved nitrogen (1)
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- Eutrophication (1)
- Fire (1)
- Fluxes (1)
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Articles 1 - 3 of 3
Full-Text Articles in Engineering
Dynamics Of Suspended Sediment Flux On The Rivers Bandon And Owenabue, Ireland, S. T. Harrington, Joseph R. Harrington
Dynamics Of Suspended Sediment Flux On The Rivers Bandon And Owenabue, Ireland, S. T. Harrington, Joseph R. Harrington
Publications
Monitoring, analysis and modelling of suspended sediment transport in riverine systems has received much attention in recent decades. Quantitive analysis techniques have been applied to allow river basin managers to assess suspended sediment transport and its importance in transporting a range of pollutants including excess metals and nutrients, which negatively impact on aquatic systems. In this paper, an analysis of the suspended sediment fl ux (SSF) dynamics is presented for the small and medium sized catchments of the River Owenabue and the River Bandon, respectively. The results contribute to the fi lling of a research gap in an Irish context …
Heat Transfer Characteristics Of Ggbs Concrete In Fire, Ted Mckenna, Mark G. Richardson, Brian O’Rourke
Heat Transfer Characteristics Of Ggbs Concrete In Fire, Ted Mckenna, Mark G. Richardson, Brian O’Rourke
Publications
Partial replacement of high clinker content cements by Ground Granulated Blastfurnace Slag (GGBS) can reduce the carbon footprint of concrete, with consequent benefits in respect of sustainable construction. Furthermore a state-of-the-art report indicated that use of GGBS as a binder replacement may increase the fire resistance of concrete. If so this could lead to thinner sections in fire compartment elements, especially non-loadbearing walls, leading to further gains in respect of sustainable development. Concrete is considered an effective material in protecting against the detrimental effects of fire in structures. However, exposure to high temperatures can degrade concrete performance. Fire resistance performance …
Dissolved And Particulate Nutrient Transport Dynamics Of A Small Irish Catchment: The River Owenabue, S. T. Harrington, Joseph R. Harrington
Dissolved And Particulate Nutrient Transport Dynamics Of A Small Irish Catchment: The River Owenabue, S. T. Harrington, Joseph R. Harrington
Publications
The objective of this research was to investigate the relationship between water and sediment discharge on the transport of nutrients: nitrogen and phosphorus. Water discharge, suspended sediment concentration and dissolved and particulate forms of nitrogen and phosphorus were monitored on the 105 km2 River Owenabue catchment in Ireland. Water discharge was found to have an influence on both particulate and dissolved nutrient transport, but more so for particulate nutrients. The particulate portion of N and P in collected samples was found to be 24 and 39 %, respectively. Increased particulate nitrogen concentrations were found at the onset of high discharge …