Engineering Commons^™

System Dynamics And Topsis Models For Sustainable Building Materials Selection Considering Life Cycle Assessment, Shimaa Elshoubaky, Emad Elbeltagi, Mohammed Abd Elrahman, Islam Elmasoudi

Mansoura Engineering Journal

Construction industry is the most contributor to the environmental impacts. Achieving sustainability in construction is complicated, but one of the most optimal strategies is selecting sustainable building materials.

The major goal of this study is to present a new idea for choosing sustainable building materials (SBMs) by simulating sustainability parameters' behaviour. This research proposes a System Dynamics (SD) model along with the TOPSIS method based on the dynamic interactions among a number of sustainable criteria to help decision makers in sustainable building materials selection. The sustainable criteria that form system boundary are determined from previous studies and experts′ opinions. The …

The Influence Of The Addition Of Recycled Asphalt Shingles On The Compressive Strength Of Concrete, William E. Webb

Honors College Theses

The purpose of this study is to explore the effect of recycled asphalt shingles (RAS) as an additive on the compressive strength of concrete. This was accomplished by designing a concrete mix and creating 4” by 8” cylindrical test specimens containing 0, 5, 10, and 15 percent RAS by weight. The compressive strength was measured through axial loading until failure utilizing a compression testing apparatus. With these results, a relationship between the content of RAS and compressive strength was able to be developed, giving insight as to how RAS could be used in concrete mixes in the future. This study …

Performance Assessment Of Bioasphalt Mixtures Containing Guayule Resin As An Innovative Biobased Asphalt Alternative, Ahmed Hemida, Magdy Abdelrahman

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Guayule resin was investigated through mixture to assess its role in the field performance. For performance comparisons, conventional asphalt, neat guayule, asphalt-rubber-guayule, and guayule-rubber binders were implied. Field-simulated lab mixtures were made to investigate the major distresses. Modified Lottman, rut, semicircular bending, and disk-shaped compact tension tests were used to assess stripping, rutting, fatigue, and thermal cracking resistances. Stripping and rutting susceptibilities were also assessed by Hamburg wheel-tracking test. The outcomes disclosed that when the modified Lottman test was used, guayule containing a 7% air content was more susceptible to stripping than that containing a 3.5% air content, resulting in …

Estimating Aquifer System Storage Loss With Water Levels, Pumping And Insar Data In The Parowan Valley, Utah, Ryan G. Smith, Jiawei Li, Katherine R. Grote, Jim Butler

Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works

In the Parowan Valley of Utah, Groundwater Levels Have Declined by as Much as 30 M over the Past 50 Years with Accompanying Subsidence Rates of Up to 5 Cm/year. Traditional Methods to Estimate Groundwater Storage Change Use a Combination of Groundwater Level and Storativity Estimates, But There is Often Considerable Uncertainty in These. in This Study, We Demonstrate a New Method that Relies on a Combination of Geodetic Data from InSAR, as Well as Groundwater Level and Pumping Data, to Estimate Both the Total Groundwater Storage Loss and the Percentages of Storage Loss in Fine- and Coarse-Grained Layers within …

Dominican Republic Greenhouse Automation, Pedro Alvarenga, Henry Kayser

Interdisciplinary Design Senior Theses

The development process involved meticulous engineering and integration of the electrical components, ensuring seamless functionality and performance. The AGS was designed to be affordable, scalable, and easily replicable, with the intention of expanding its implementation beyond the DR to other underserved communities globally. By optimizing resource management, conserving energy, and minimizing the carbon footprint, the AGS promotes environmental sustainability in food production. Overall, this senior design capstone project successfully developed a cost-effective and user-friendly Automated Greenhouse System, addressing food insecurity challenges in the DR. The project demonstrated professional excellence, fulfilled the mission of SCU's School of Engineering, and strengthened the …

Serviceability Analysis And Feasibility Study Of Rooftop Pv System On Commercial Buildings In New York City, Daniel A. Shedo

Master's Theses

Concrete Masonry Unit (CMU) blocks (Ballasts) to counterbalance an uplift wind pressure on Photovoltaic (PV) panels have been used widely. In contrast to mechanically attaching PV panels through penetration of a roof slab, the use of CMU blocks is preferred by many building owners, as penetrating and attaching the panels to a roof slab will pose a serious threat to the warranty of roof membranes, which typically last for 30 years. On the other hand, placing CMU blocks along with PV panels and other system components on a rooftop slab adds additional dead load, which may raise a concern regarding …

Incorporating Environmental Impacts Into Short-Term Mine Planning: A Literature Survey, Milad Rahnema, Bahar Amirmoeini, Ali Moradi Afrapoli

Mining Engineering Faculty Publications

This paper aims to address the significant financial, environmental, and social risks posed by climate change to the mining industry, which is responsible for approximately 8% of global greenhouse gas emissions. With 70% of mining projects for the six largest mining companies located in water-stressed regions, the industry is facing increasing pressure to reduce its impact. Our study investigates the applicability of multi-objective optimization to integrate environmental impact considerations into short-term planning for mining operations. To achieve this, we have reviewed similar studies in various industries and developed an integrated planning framework that incorporates environmental considerations into production planning for …

Precious Plastics - Plastic Brick Machine Fabrication, Timothy Ukaobasi Kanu, Evi Paraskevi Troulis

Architectural Engineering

The goal of this research is to determine the structural parameters of the recycled plastic polypropylene when molded into bricks resembling CMU blocks. To accomplish this, three mechanisms had to be assembled: the shredder, the injector, and the 1x1 mold. A tensile and compression test were to be performed on the plastic brick, and the values would be used to compare the tensile and compressive strength of PP plastic bricks, as well as their modulus of elasticity and stress vs. Strain performance. These values would be analyzed to determine whether it would be feasible to build an entire plastic wall. …

Rank And Analysis Several Solutions Of Healthcare Waste To Achieve Cost Effectiveness And Sustainability Using Neutrosophic Mcdm Model, Ahmed Abdelhafeez, Hoda K. Mohamed, Nariman A. Khalil

Neutrosophic Systems with Applications

Managing healthcare waste (HCWTT) from healthcare facilities is difficult. It's high up on the list of health concerns. This growth in HCWTT has been especially visible in recent years, as the quantity of medical services available has increased. Because of the potential danger, this garbage poses to people and the planet, it must be properly disposed of. Because of ineffective waste management practices, inadequate financial resources, and a lack of adequate facilities, HCWT administration is especially crucial in developing nations. Reducing HCWT via appropriate treatment is important for the area's financial and environmental health. In order to solve single-valued neutrosophic …

Rank And Analysis Several Solutions Of Healthcare Waste To Achieve Cost Effectiveness And Sustainability Using Neutrosophic Mcdm Model, Ahmed Abdelhafeez, Hoda K. Mohamed, Nariman A. Khalil

Neutrosophic Systems with Applications

Managing healthcare waste (HCWTT) from healthcare facilities is difficult. It's high up on the list of health concerns. This growth in HCWTT has been especially visible in recent years, as the quantity of medical services available has increased. Because of the potential danger, this garbage poses to people and the planet, it must be properly disposed of. Because of ineffective waste management practices, inadequate financial resources, and a lack of adequate facilities, HCWT administration is especially crucial in developing nations. Reducing HCWT via appropriate treatment is important for the area's financial and environmental health. In order to solve single-valued neutrosophic …

Electrochromic Smart Glass: Supplier Comparison Return On Investment Analysis, Hayden Stewart Owens

Construction Management

In recent years, sustainability in construction has become the focus of how the industry can progress with minimal environmental impact. As sustainability certifications become more desirable, key companies in the construction industry have started to seek greener alternatives to standard building systems. There are many sustainable products that are released, but these products are typically so complex that members of the industry are not familiar with these new systems. One novel piece of technology introduced to the industry is electrochromic glass, or smart glass. Electrochromic glass windows examine sunlight and heat exposure from the surrounding environment and change their opacity …

Neutralization Of Fuel Tankering Emissions For Environmental Sustainability, Peter O'Reilly, Maria Petrescu, Fabricio Sulzbacher, Diogo Coutinho

National Training Aircraft Symposium (NTAS)

As aviation has been one of the fastest-growing sources of emissions, this paper explores sustainable solutions in the equation of the economic savings from the fuel tankering practice, in a way it could represent gains of credibility for this industry (Boussauw & Vanoutrive, 2019). The fuel expenses in Brazil have been responsible for the highest operational cost for the airlines and, as a result, there has been an ongoing pursuit of the highest level of efficiency (ANAC, 2019). In this context, this study has been focused on the emerging Brazilian aviation market, and uses primary data collected from three major …

Enhancing Sustainable Process Designs Through Strategic Material Utilization And Waste Minimization Approaches, John David Chea

Theses and Dissertations

Sustainability is a growing concern as resources are continually depleted for various applications without adequate renewal plans. The resulting impacts on the ecosystem, health, and resource circularity are often overlooked. This research analyzes improvement opportunities at each major stage in a product's life cycle. Raw material acquisition, product synthesis, process waste management, and the fate of a material in the end-of-life phases were examined. The viability of utilizing renewable resources has been demonstrated in this work by extracting bio-based chemicals from underutilized renewable resources at a commercial scale and transforming the extracted resources into polymeric materials. The optimization of raw …

Engineering Society: The Role Of Intersectional Gender And Diversity Studies For A Sustainable Transformation On The Case Of Interdisciplinary Engineering Education, Jennifer Bosen, Sebastian Bernhard, Evamaria Fauster, Marie Decker, Miriam Lämmerhirt, Carmen Leicht-Scholten

Practice Papers

Technological innovations are impacting societies in manifold ways and can accelerate a transformation toward sustainability. To enable a sustainable transformation through engineering, engineers educated to create technological solutions for global challenges must be educated in sustainability principles as postulated under ‘Education for Sustainable Development’ (ESD) in the Agenda for Sustainable Development. In technological fields, the ecological, as well as the economical perspective of sustainability, are often addressed, but as recent research has highlighted, sustainability needs to be addressed holistically; this means including the social dimension to a greater degree and applying an intersectional understanding of gender and diversity throughout all …

Euniwell: Maximising Academic And Social Outcomes In Engineering Education, Neil Cooke, S Chung, Kim Hawwash, D Cottle, E Caporali, G Bartoli, J Forss, J Andersson, P Chargé

Practice Papers

The ERASMUS+ European University for Well-Being (EUniWell) alliance’s mission aims to resolve the paradox of Europeans’ relative prosperity against the global security and sustainability challenge. “Maximising Academic and Social Outcomes in Engineering Education” is a project which interprets this contradiction for engineering educators; how to best teach non-technical skills to ensure engineers make the utmost contribution to societal wellbeing? Appreciably, the social outcome for the person who becomes an engineer is positive because the profession is relatively well-paid. Therefore, engineering education is good for social mobility providing the learning environment narrows attainment gaps between disadvantaged and mainstream cohorts. Accordingly, our …

Tools To Reshape Engineering Education To Prepare Students And Professionals To Be Globally Responsible, Jonathan Truslove, Sarah Jayne Hitt, Emma Crichton, John Kraus, Juliet Upton

Practice Papers

This paper describes the development of two tools that support educators to prepare the engineers of today and tomorrow for the simultaneous, deeply interconnected challenges that the 2023 Global Risks Report emphasises as a ‘polycrisis’. This picture is worsened when considering the Institution of Engineering and Technology in 2021 found that only 7% of 1,000 UK engineering companies with a sustainability strategy had the staff with the skills to fulfil it. Against this backdrop, meeting our commitments with integrity, upskilling the current workforce urgently, and ensuring degree courses are future-fit are crucial. In response, these two new actionable tools aid …

Stem Education And Research At The University Of Aruba For Sustainable Development Of Small Island Developing States: Case Studies On Energy Efficiency And Waste Management., Alba De Agustin Camacho, Mieke De Droog, Wim Van Petegem

Practice Papers

SISSTEM “Sustainable Island Solutions through Science, Technology, Engineering and Mathematics” is a higher educational programme created in 2019 at the University of Aruba in response to the need for engineering education and research in Small Island Developing States (SIDS). In this contribution, the SISSTEM programme is introduced, and how SISSTEM equips engineering students with hard and soft skills while addressing local sustainability challenges is showcased through two case studies. The first case study presents a bachelor course that combines sustainability theory with a teamwork project in which students conduct an energy audit to a local institution. With this course, students …

Instructors' Expectations And Objectives For Integrating Sustainable Development And Ethical Issues Into The Curriculum, Tauno Aki Tepsa, Juhani Angelva, Maisa Tuulikki Mielikäinen

Practice Papers

The integration of sustainable development and ethical issues into the curriculum is increasingly important in higher education. The study surveyed 17 instructors in ICT engineering education at Lapland University of Applied Sciences who were involved in curriculum development to explore their expectations and objectives in integrating sustainable development and ethical issues into their courses. Although most instructors had a good understanding of sustainable development and ethical issues, not all saw them as relevant to their courses. Those who did incorporate these themes focused on topics such as energy conservation, social sustainability, and sustainability and ethics in solutions. However, almost half …

Embedding Sustainability In The Engineering Curriculum: Meeting The Requirements Of Professional Accreditation, Darren Carthy, Richard Manton, Louise O' Gorman

Practice Papers

Professional accreditation agencies are increasing requirements on sustainability in engineering education as a response to ethical obligations, industry needs and emerging academic best practice. In 2021, Engineers Ireland increased sustainability requirements in new accreditation criteria. This paper reports on a thematic analysis carried out by Engineers Ireland on the self-assessment and achievement of these new accreditation criteria on sustainability. The analysis was conducted on the self-assessment reports from a large Irish University, referred to as University A hereafter. The results indicate that, for the purpose of meeting accreditation requirements, University A has interpreted sustainability in their programmes as either meeting …

Project “Acércate A La Ingeniería”: Impact Assessment And Satisfaction Questionnaire, Annabella Narganes-Pineda, Roberto E. Araña-Suárez, Mariana Hernández-Pérez, Paula González-Suárez, Pedro M. Hernández-Castellano, María Dolores Marrero-Alemán

Practice Papers

Engineering is a key discipline in today’s society, as it is sustainability. Therefore, this are concepts that must be introduced in early educational levels. In this context, the project “Acércate a la Ingeniería” (Get closer to Engineering), designed and carried out by the Department of Education of the Government of the Canary Islands in collaboration with the Industrial and Civil Engineering School (EIIC) of the University of Las Palmas de Gran Canaria (ULPGC), has arisen. This project brings together eighteen secondary schools (IES) from five of the eight Canary Islands. The aim of this project is to educate students to …

The Art Of Repairing - Or How To Teach Engineering Students Sustainable Design Principles, Stefan Kühne, Christian Forbrig, Anja Marckwardt, Julian Kober, Juri Rappsilber, Dirk Oberschmidt

Practice Papers

Project-based learning bridges the gap between theoretical training and practical applications. The motivation of students to participate is increased especially by working out real-life problems. To provide this kind of practical learning experience, we are establishing a repair project for broken, otherwise discarded, lab equipment. It will not only help to reduce waste and save money by repairing research equipment, but will also encourage interdisciplinary collaboration and innovation. Providing a space to learn about the underlying functional properties of various often highly specialized lab instruments, students identify malfunctions, deepen understanding of vulnerable designs, and discuss and perform strategies for repairing …

Engineering For One Planet: Resources For Infusing Sustainability And Leadership Competencies Across All Engineering Disciplines, Cindy Cooper, Cynthia Anderson, Michael Milligan

Practice Papers

Engineering for One Planet (EOP) is an initiative to transform engineering education and equip all future engineers across all disciplines with the fundamental skills and principles of social and environmental sustainability.

Catalyzed by The Lemelson Foundation and VentureWell in collaboration with hundreds of sustainability advocates across sectors, the EOP initiative envisions a world in which all engineers play a critical role in ensuring that the solutions of today do not become the problems of tomorrow, restoring and regenerating our environment, and improving lives for all.

EOP is accelerating curricular transformation by supporting faculty change efforts and fostering collaboration among stakeholders …

Engineering Solutions For A More Inclusive Society: A Case Study With Europe-Wide Challenge-Based Learning, Lennart Osterhus, Ulrike Bulmann, Viktoria Constanze Schneider, Kaline Furlan

Practice Papers

Engineering practices directly impact our society and yet, traditional engineering courses often present a lack of emphasis on social and sustainable responsibility. Therefore, a course was designed to increase societal awareness and promote social-conscious engineering practices, and also interdisciplinary and intercultural collaboration. The course followed the concept of challenge-based learning (CBL) and was offered within the framework of the European Consortium of Innovative Universities (ECIU). In such framework, students from 13 European partner universities could join, as well as professionals and citizens as so-called continuous learners. The challenge addressed the issue of an increasingly aging European society and the physical …

Problems Without Solution? Challenges Of Climate Change And Sustainability In Engineering Education, Sahra Dornick

Practice Papers

The issues of climate change and sustainability are urgent and critical concerns of our time. The rise of climate disasters, such as floods, droughts, forest fires, and hurricanes, poses a threat to the survival of humans, animals, and plants. Despite scientists having warned about the impending dangers of high CO2 emissions, particularly from the global North for many years, there has been no political or technical solution in sight.

Engineers are known for being problem-solvers, but what happens when the problem is complex and the consequences of technical interventions are hard to predict? In my paper, I propose measures to …

Eng+ | Ethics For Sustainable Development In Engineering Programmes A Praxis Report Of Tu Berlin’S Think Tank Technology Reflection, Sabine Ammon, Mareen Derda, Tim Hildebrandt, Stefan Kühne, Nadine Klein

Practice Papers

Many technical universities alike, TU Berlin is in a future-oriented process of programme transformation to invite a holistic perspective on technology which includes critical thinking and ethical reflection. To this end, TU Berlin recently issued a general study guideline calling for an orientation of all programmes toward sustainable development. Accordingly, students should know about the historical, social and cultural contexts of science and technology and learn to reflect on the ethical consequences of their actions. Together with training in good scientific practice, this content should comprise 12 ECTS in each respective BA and MA programme. With only minor integration of …

Can Designing For Mars Stimulate Our Thinking About Designing More Sustainably For Earth?, Lucy Berthoud, James Norman, Ella Good, Nicola Kent

Practice Papers

This work describes the use of an arts-based project to stimulate creative thinking about design and sustainability for engineering students of all disciplines and years. ‘Building a Martian House’ was a public art project where a house designed for Mars was built in the centre of the city of Bristol, UK. It was conceived by artists, designed by the public, architects and engineers and built by construction companies. In this work, a workshop for students was developed and run based on this art project. Its aim was to use the challenge of designing for Mars as a provocation to thinking …

Investigation Of Fiber Orientation And Mechanical Properties Of Pyrolysis Recycled Carbon-Fiber Reinforced Thermoset Composite, Reva N. Simmons, Harry Lee, Garam Kim

Discovery Undergraduate Interdisciplinary Research Internship

With increasing demand of carbon fiber reinforced fiber thermoset composites, establishing a sustainable cycle for these materials becomes crucial. Pyrolysis is a process of reclaiming carbon fiber from thermoset composites by thermally degrading the polymer at high temperatures allowing the fibers to be extracted. Carbon fiber reclaimed through current pyrolysis processes for thermoset composites typically loses its original shape and orientation, making it difficult to reorganize the fibers. This study investigated the feasibility of maintaining the fiber orientations for continuous fiber reinforced thermoset composite during pyrolysis by stitching the carbon fiber layup to a conformable copper mesh during the manufacturing …

A Critical Approach To Engineering Mathematics Activities For Sustainable Development, Matheus Oliveira De Andrade, Mariam Makramalla

Practice Papers

Engineering projects are frequently experienced through the complexity of knowledge co-production between experts and local communities. This involves an ability to work critically and creatively within unfamiliar epistemologies, drawing from quantitative, social and scientific methods to realise high-impact solutions. In this work-in-progress paper, we put forward a prototype for a case-control study aiming to evaluate student buy-in and learning outcomes for a cross-cultural implementation of critical mathematics approaches contextualised by sustainability challenges. We outline and discuss aspects of mathematical modelling activities that can scaffold an environment where human subjectivity amplifies the quality and relevance of quantitative arguments. As proof-of-concept, we …

Multicopter Drone Mass Distribution Impacts On Viability, Performance, And Sustainability, Miguel Figliozzi

Civil and Environmental Engineering Faculty Publications and Presentations

This short communication highlights the value of drone mass and its distribution, a topic that despite its importance has received scant attention in the rapidly growing drone literature. In particular, the focus is on the impact of mass distribution on drone viability, performance, and sustainability.

Evaluation Of Thermal And Rheological Properties Of Phase Change Material-Incorporated Asphalt Mastic With Porous Fillers, Farshad Saberi Kerahroudi, Yizhuang David Wang, Jenny Liu

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Incorporating phase change material (PCM) into paving materials can regulate the pavement temperature, improve the pavement durability, and mitigate the heat-island effects. In this research, porous fillers were used as the PCM carrier, and the thermal and rheological behaviors of the asphalt mastic with the PCM were evaluated. Two different carrier materials (diatomite and expanded perlite) and four types of PCMs were used in the study. The candidate filler, PCM, and proper blending ratios were determined based on the results of scanning electron microscope image analysis, the filter paper test, and the temperature sweep test. The thermal and rheological behaviors …