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2017

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Articles 151 - 159 of 159

Full-Text Articles in Civil Engineering

Hydroshare Gis: Visualizing Spatial Data In The Cloud, Shawn Crawley, Daniel P. Ames, Zhiyu Li, David G. Tarboton Jan 2017

Hydroshare Gis: Visualizing Spatial Data In The Cloud, Shawn Crawley, Daniel P. Ames, Zhiyu Li, David G. Tarboton

Civil and Environmental Engineering Faculty Publications

Cloud-based data management systems are more conducive to collaborative efforts when they are integrated with cloud-computing tools that interact with their stored data. HydroShare, a web based data management system for climate and water data, has implemented an Application Programming Interface and a web application platform deployed using Tethys Platform to encourage the development of apps that interact with its data. HydroShare GIS is the result of one such development effort to provide cloud-based visualization of spatial data stored in HydroShare. It functions by accessing the spatial metadata contained within the HydroShare resource data model and overlaying datasets as layers …

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Optimising The Performance Of Cement-Based Batteries, Aimee Byrne, Shane Barry, Niall Holmes Dr., Brian Norton Jan 2017

Optimising The Performance Of Cement-Based Batteries, Aimee Byrne, Shane Barry, Niall Holmes Dr., Brian Norton

Articles

The development of a battery using different cement-based electrolytes to provide a low but potentially sustainable source of electricity is described. The current, voltage, and lifespan of batteries produced using different electrolyte additives, copper plate cathodes, and (usually) aluminium plate anodes were compared to identify the optimum design, components, and proportions to increase power output and longevity. Parameters examined include water/cement ratio, anode to cathode surface area ratio, electrode material, electrode spacing, and the effect of sand, aggregate, salts, carbon black, silica fume, and sodium silicate on the electrolyte. The results indicate that the greatest and longest lasting power can …

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Baseline Rolling Resistance For Tires’ On-Road Fuel Efficiency Using Finite Element Modeling, Jaime Hernandez, Imad L. Al-Qadi, Hasan Ozer Jan 2017

Baseline Rolling Resistance For Tires’ On-Road Fuel Efficiency Using Finite Element Modeling, Jaime Hernandez, Imad L. Al-Qadi, Hasan Ozer

Civil and Environmental Engineering Faculty Research and Publications

Calculation of truck tires rolling resistance, using the finite element method and considering variables such as incompressible visco-hyperelastic rubber materials, accurate tire geometry and steady temperature distribution, is presented. The model was validated using experimentally measured contact area and contact stresses. Rolling resistance was calculated for three values of axle load, tire inflation pressure, temperature and speed. In addition, regression analysis was used to propose a mathematical expression for predicting rolling resistance as a function of the considered variables. Finally, the contribution of tire’s rubber components to the internal energy was quantified, and it was found that sidewall and subtread …

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Development Of Disaster Management In Turkey: From 1999 Kocaeli Earthquake To 2011 Van Earthquake, Mert Tolon, Kağan Cenk Mızrak Jan 2017

Development Of Disaster Management In Turkey: From 1999 Kocaeli Earthquake To 2011 Van Earthquake, Mert Tolon, Kağan Cenk Mızrak

Civil Engineering Faculty Publications and Presentations

The natural disasters that have occurred in Turkey are categorized as % 61 earthquakes, followed by landslides, floods, rock falls, fires and storms. Between the years of 1903 and 2000, there have been nearly 150 earthquakes in Turkey which led to damage and this is a challenge for Turkey. The management and plans of these natural disasters in Turkey were first developed in 1959. In 1999, with the magnitude of 7.4, The Kocaeli and Duzce earthquakes affected a region of Turkey that constitutes % 23 of the country’s population. After that, in 2000 necessary laws have been prepared and enacted. …

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Tire-Pavement Interaction Modeling: Hyperelastic Tire And Elastic Pavement, Jaime Hernandez, Imad L. Al-Qadi Jan 2017

Tire-Pavement Interaction Modeling: Hyperelastic Tire And Elastic Pavement, Jaime Hernandez, Imad L. Al-Qadi

Civil and Environmental Engineering Faculty Research and Publications

The interaction between deformable tire and pavement was studied using the validated finite element model; the full understanding of tire–pavement contact has implications for pavement damage prediction and pavement life-cycle assessment (fuel consumption estimation). The tire’s rubber and reinforcement were considered hyperelastic and linear elastic, respectively, with material constants obtained from the tire manufacturer (rubber) and laboratory testing (reinforcement). On the other hand, the pavement was assumed linear elastic supported by linear elastic springs. This assumption was made as a first step to examine the impact of using a deformable-on-deformable tire–pavement system to predict energy in the tire and contact …

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Virtual Reality Of Earthquake Ground Motions For Emergency Response, Ting Lin Jan 2017

Virtual Reality Of Earthquake Ground Motions For Emergency Response, Ting Lin

Civil and Environmental Engineering Faculty Research and Publications

Ground motions interface earthquake science and engineering to advance understanding of seismic hazards and risk. Virtual reality provides an attractive tool to extend knowledge of the research community to a larger audience. This work visualizes emergency response under extreme motions, in the CAVE of the MARquette Visualization Laboratory. The visualization (a) displays ground motions (from the science community), (b) inputs these motions to structural models (from the engineering community) and illustrates the resulting responses, (c) translates structural responses to damage states of building elements, (d) creates a virtual room subjected to the perception associated with such earthquake shaking, and (e) …

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Fate And Impacts Of Triclosan, Sulfamethoxazole, And 17Β-Estradiol During Nutrient Recovery Via Ion Exchange And Struvite Precipitation, Yiran Tong, Patrick J. Mcnamara, Brooke K. Mayer Jan 2017

Fate And Impacts Of Triclosan, Sulfamethoxazole, And 17Β-Estradiol During Nutrient Recovery Via Ion Exchange And Struvite Precipitation, Yiran Tong, Patrick J. Mcnamara, Brooke K. Mayer

Civil and Environmental Engineering Faculty Research and Publications

Increasing emphasis on resource recovery from wastewater highlights the importance of capturing valuable products, e.g., nutrients such as nitrogen and phosphorus, while removing contaminants, e.g., organic micropollutants. The objective of this research was to evaluate the fate of the micropollutants triclosan (present as a mixture of neutral and anionic species at neutral pH), 17β-estradiol (neutral at neutral pH), and sulfamethoxazole (anionic at neutral pH) during nutrient recovery using ion exchange-precipitation. Adsorption of the three micropollutants to the phosphate-selective ion exchange resins LayneRT and DOW-HFO-Cu ranged from 54% to 88% in Milli-Q water tests and 50% to 71% in …

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Curriculum Innovation: Incorporating The Kern Engineering Entrepreneurial Network (Keen) Framework Into Online Discussions, Lisa Bosman, Brooke Mayer, Patrick J. Mcnamara Jan 2017

Curriculum Innovation: Incorporating The Kern Engineering Entrepreneurial Network (Keen) Framework Into Online Discussions, Lisa Bosman, Brooke Mayer, Patrick J. Mcnamara

Civil and Environmental Engineering Faculty Research and Publications

The purpose of this study was to respond to the following research question: How does the Kern Engineering Entrepreneurial Network (KEEN) framework build interest in technical topic areas, impact student learning outcomes, and develop the entrepreneurial mindset when applied to the engineering classroom? The KEEN framework was developed to combine the entrepreneurial mindset with engineering education to produce a more valuable, strategically prepared engineer, rather than simply an “obedient engineer”. The framework proposes that the entrepreneurial mindset of students is increased by promoting curiosity, encouraging connections, and creating value. The results from this work provide insight into the impact and …

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Editorial" Fibre Reinforced Polymer Composites For Structural Applications In Construction, Jun Deng, Marcus M.K. Lee, Baolin Wan, Giuseppina Amato Jan 2017

Editorial" Fibre Reinforced Polymer Composites For Structural Applications In Construction, Jun Deng, Marcus M.K. Lee, Baolin Wan, Giuseppina Amato

Civil and Environmental Engineering Faculty Research and Publications

No abstract provided.

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