Browsing Civil Engineering by Author "|~|"
Now showing items 21-40 of 98
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Development of a global energy management system for the life sciences industry: an energy management maturity model implementation
Finnerty, Noel; Sterling, Raymond; Coakley, Daniel; Keane, Marcus M. (NUI Galway, 2015-11)The Global Energy Management System (GEMS) research project proposes a novel methodology for assessing capital energy-efficiency projects at a global level. The paper scope covers the systematic development and implementation ... -
Development of a nested coastal circulation model: boundary error reduction
Nash, Stephen; Hartnett, Michael (Elsevier, 2014-03)Numerical models have a valuable role to play in the sustainable management of coastal waters but accurate simulation of land/sea interactions, particularly in areas of complex coastlines, requires the use of high spatial ... -
Different depth sand filters for laboratory treatment of synthetic wastewater with concentrations close to measured septic tank effluent
Walsh, G.; Rodgers, Michael; Healy, Mark G. (2011)The objective of this study was to apply hydraulic and chemical oxygen demand (COD) loading rates at the upper limits of the design criteria for buried sand filters to test the sand filter depth design criteria. Over a ... -
Discussion: Interaction factor for large pile groups
Wang, A.D.; Wang, W.D.; Huang, M.S.; Wu, J.B.; Sheil, Brian B.; McCabe, Bryan A. (ICE Publishing, 2016-09-27)The authors present an interesting paper on the use of the interaction factor method (IFM) for settlement analysis of large pile groups. -
Driven cast-in-situ piles in granular soil: applicability of CPT methods for pile capacity
Flynn, Kevin N.; McCabe, Bryan A.; Egan, D. (CBT'14, 2014)Most CPT-based design methods for driven piles are heavily influenced by research on preformed driven piles. In this paper, a critical review is made of the ability of these methods to predict the total capacity of driven ... -
Effect of chemical amendments to dairy soiled water and time between application and rainfall on phosphorus and sediment losses in runoff
Serrenho, Ana; Healy, Mark G. (2012)Dairy soiled water (DSW) is a dilute, low nutrient effluent produced on Irish dairy farms through the regular washing down of milking parlours and holding areas. In Ireland, there is no closed period for the land application ... -
Effect of sawdust addition on composting of separated raw and anaerobically digested pig manure
Troy, Shane M.; Healy, Mark G. (Elsevier, 2012)Manures need the addition of carbon-rich bulking agents to conserve N during composting, which increases the cost of the composting process. The recommended proportion of manure/sawdust, based on a carbon (C):nitrogen (N) ... -
The effects of array configuration on the hydro-environmental impacts of tidal turbines.
Fallon, David; Nash, Stephen (2012)Tidal stream turbines provide a technically viable means of generating electricity from a sustainable resource; however, economic viability will require the deployment of multiple devices in array formations in a manner ... -
Effects of complex hydrodynamic processes on the horizontal and vertical distribution of Tc-99 in the Irish Sea
Olbert, Agnieszka Indiana; Hartnett, Michael; Dabrowski, Tomasz (Elsevier ScienceDirect, 2010-10-14)The increased discharge of Tc-99 from the Sellafield plant following the commissioning of the Enhance Actinide Removal Plant in 1994 was reflected in higher Tc-99 activity concentrations over much of the Irish Sea The ... -
The efficiency of a sequencing batch reactor (SBBR) in organic carbon and phosphorus removal
Prendergast, John; Rodgers, Michael; Healy, Mark G. (Taylor & Francis, 2005)A laboratory sequencing batch biofilm reactor (SBBR), operated for a period of 158 days, was used to treat domestic-strength synthetic effluent. The biofilm. reactor comprised a bulk fluid reactor, a biofilm plastic module, ... -
An embodied carbon and embodied energy appraisal of a section of Irish motorway constructed in peatlands
Duggan, Alan R.; McCabe, Bryan A.; Goggins, Jamie; Clifford, Eoghan (Elsevier, 2015-01-29)In addition to the customary drivers of cost and timely project delivery, embodied energy (EE) and embodied carbon (EC) have come to prominence in recent years as major design considerations in all aspects of large-scale ... -
Empirical correlations for the compression index of Irish soft soils
McCabe, Bryan A.; Sheil, Brian B.; Long, Michael M.; Buggy, Fintan J.; Farrell, Eric R. (ICE Institution of Civil Engineers, 2014-09-08)Numerous correlations have been developed in the literature relating the compression index Cc of soft soils to simple index properties that serve as a useful reality check on oedometer test results. However, many of these ... -
Energy transfer ratio for hydraulic pile driving hammers
Flynn, Kevin N.; McCabe, Bryan A. (NUI Galway, 2016-08-29)The ability of hydraulic pile driving hammers to overcome energy losses during freefall enables a greater proportion of the impact energy to be transferred to the pile in comparison to diesel hammers. This percentage, ... -
Engineering in Communities Learning by Doing
Goggins, Jamie (2012)Purpose The purpose of this paper is to focus on a number of initiatives in civil engineering undergraduate programmes at the National University of Ireland, Galway (NUIG) that allow students to complete engineering ... -
Environmental impacts of milk powder and butter manufactured in the Republic of Ireland
Finnegan, William; Goggins, Jamie; Clifford, Eoghan; Zhan, Xinmin (Elsevier, 2016-11-11)The abolition of the milk quota system that was in place in Europe was abolished in 2015, which instigated an immediate increase in milk production in many European countries. This increase "will aid in addressing the ... -
Evaluation of chemical amendments to control phosphorus losses from dairy slurry
Brennan, Raymond B.; Rodgers, Michael; Healy, Mark G. (Wiley, 2011)Land application of dairy slurry can result in incidental losses of phosphorus (P) to runoff in addition to increased loss of P from soil as a result of a buildup in soil test P (STP). An agitator test was used to identify ... -
Experiences of dry soil mixing in organic soils
Timoney, Martin J.; McCabe, Bryan (Institution of Civil Engineers, 2012)Soil mixing, or soil stabilisation, is a method of enhancing the geotechnical properties of suitable host soil through the addition of cementitious and/or pozzolanic binders in either dry or slurry forms. In dry soil mixing, ... -
Factors affecting Embodied Carbon/Embodied Energy associated with ground improvements techniques for construction on peat
Duggan, Alan R.; McCabe, Bryan A.; Goggins, Jamie; Clifford, Eoghan (NUI Galway, 2012)In addition to the traditional drivers of cost and timely programme delivery, embodied energy (EE) and embodied carbon (EC) have emerged as major considerations in all aspects (including geotechnical) of large construction ... -
Factors affecting nitrate distribution in shallow groundwater under a beef farm in South Eastern Ireland
Healy, Mark G. (Elsevier, 2009-07)Groundwater contamination was characterised using a methodology which combines shallow groundwater geochemistry data from 17 piezometers over a 2 yr period in a statistical framework and hydro-geological techniques. Nitrate-N ... -
A finite element-based approach for predictions of rigid pile group stiffness efficiency in clays
Sheil, Brian B.; McCabe, Bryan A. (Springer Verlag, 2013-08-17)This paper presents a finite element parametric study of several variables that affect the stiffness efficiency of rigidly capped pile groups with a view to developing a solution for preliminary design purposes. Previous ...