Architectural Engineering Commons^™

Large-Scale Experimental Study On The Impact Of Air Cleaning & Ventilation On Indoor Air Quality And Student Illness-Related Absenteeism, Daud Nosham

Dissertations and Doctoral Documents, University of Nebraska-Lincoln, 2023–

This large-scale randomized experimental field study investigated the effect of portable air purifiers (PAPs) on classroom’s air quality and student’s illness related absenteeism. PAPs were installed in 317 classrooms from various school districts located in Eastern Nebraska. The classrooms were randomly assigned into four conditions: three treatment conditions (T1, T2 & T3) and one control condition (device without any filter). T1 was equipped with HEPA filters, T2 added Activated Carbon (AC) layer to HEPA, and T3 further integrated Germicidal Ultraviolet (GUV) alongside HEPA and AC filters. The measured variables were carbon dioxide (CO2), fine particles (PN2.5) and coarse particles (PNcoarse), …

Development And Experimental Validation Of A Bio-Based Co2 Purification Medium Derived From Puffed Rice Waste For Indoor Air Quality Improvement, Abeer Fuad Othman

Thesis/ Dissertation Defenses

Indoor environments are crucial for human activity, as people spend over 90% of their time indoors. This extensive indoor presence makes these spaces crucial for overall well-being. The growing awareness of Indoor Air Quality's (IAQ) impact on health, productivity, and wellness contrasts with buildings' contributions to greenhouse gas emissions, particularly through construction materials such as exterior walls, upper floors, and interior finishes. Classrooms are especially concerning because they house many students who are exposed to indoor air pollutants for extended periods. Given the significance of IAQ in educational settings, there is an urgent need for effective solutions to improve air …

Urban Form, Density, And Energy Efficiency: A Typo-Morphology-Based Simulation Framework For Superblock Planning And Densification In Abu Dhabi, Najeeba Ali Kunju

Thesis/ Dissertation Defenses

Urban form plays a critical role in shaping environmental performance, particularly building energy. In Abu Dhabi and other GCC cities, development is structured around superblocks—large arterial-bounded land parcels units derived from NPU planning principles. Rapid urban expansion, rising energy demand, and the predominance of low-density suburban growth (now exceeding 55% of Abu Dhabi’s footprint) highlight the need for frameworks that can evaluate the energy implications of this morphology and guide both new development and retrofitting strategies. Superblocks therefore offer a consistent and policy-relevant scale for analysing form–energy interactions in the GCC’s hot-desert context, where early-stage, morphology-informed planning tools are essential. …

Assessment Of Traffic Related Air Pollution Effects On Indoor Air Quality In Educational Buildings, Ahmed Gouda Mohamed, Mohamed Sherif Dr., Fahad Alqahtani Dr., Yousif Deeb Eng.

Civil Engineering

This study assesses the impact of traffic-related air pollution (TRAP) on indoor air quality (IAQ) within a Riyadh school. The main objectives are to pinpoint factors influencing IAQ and to evaluate the effectiveness of existing ventilation and filtration systems. Air quality Egg sensors monitored nitrogen dioxide (NO2), carbon monoxide (CO), and particulate matter (PM1.0, PM2.5, PM10) levels both indoors and outdoors over 30 days. Findings revealed average indoor PM2.5 and PM10 concentrations of 14.09 µg/m3 and 18.15 µg/m3, respectively, while outdoor concentrations averaged 20.63 µg/m3 and 27.88 µg/m3. A strong positive correlation was observed between indoor and outdoor PM levels, …

Mass Timber Construction: Products, Performance And Design, Anthony Harvey

Civil Engineering Professional Development Seminar

Due to their high strength, dimensional stability and positive environmental performance, mass timber building products are quickly becoming materials of choice for sustainably‐minded designers. This presentation will provide a detailed look at the variety of mass timber products available, including glue‐laminated timber (glulam), cross laminated timber (CLT), nail laminated timber (NLT), heavy timber decking, and other engineered and composite systems. Applications for the use of these products under modern building codes will be discussed, and examples of their use in U.S. projects reviewed. Mass timber’s ability to act as both structure and exposed finish will also be highlighted, as will …

Investigating The Relationship Between Noun Classes And Plant Folk Taxonomy In Chasu Language Of Kilimanjaro Region In Tanzania, Peter Rabson Mziray

Journal of Humanities and Social Sciences

The current study investigates the relationship between noun classes and plant folk taxonomy in Chasu (G 22). The study focuses on two objectives: the first objective is to describe the plant folk taxonomy in Chasu and the second objective is to determine the relationship between noun classes and plant folk taxonomy in Chasu. Data were collected from rural villages in Same and Mwanga districts by using free listing, field interviews (jungle-walk-and-identify), and written texts containing Chasu plant names. The findings reveal that Chasu folk taxonomy reflects different ethnobotanical categories; including a unique beginner which is mmea/mimea ‘plant(s)’, and three life …

Co2-Induced Changes In Rheology, Structural Evolution, And Particle Characteristics Of Cement Paste, Seongho Han, Tae Yong Shin, Seung Mo Kim, Jae Hong Kim, Kamal H. Khayat

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

The injection of carbon dioxide (CO₂) into cementitious systems has emerged as a promising approach to enhancing sustainability in concrete production. This study explores the impact of CO₂ injection on the rheological behavior, structural build-up, and particle size evolution of cement paste by systematically varying the water-to-cement ratio (w/c) (0.35, 0.4, and 0.5) and CO₂ concentration (0.06, 0.28, and 0.84 mol). Rheological analysis revealed a significant increase in initial yield stress with CO₂ injection. Using the Modified Bingham model, yield stress increased by 72 % and 150 % for 0.28- and 0.84-mol CO₂, …

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A Comparative Study Of Cities To Develop An Assessment Framework For Climate-Resilient Cities, Aya Mohamed Elsawaf, Ayman G. Abdeltawab, Engi Ibrahem El-Darwish, Walaa Abou El-Haggag Mehanna

Journal of Engineering Research

As climate change intensifies, urban areas face increasing hazards from extreme weather events such as rising sea levels, heat waves, and heavy rainfall. Resilient cities—those developed to absorb, recover, and adapt to these shocks—are crucial in protecting residents and infrastructure. This paper explores the concept of urban resilience, highlighting its multifaceted aspect, including recovery, adaptability, and transformation. It focuses on how to solve these climate change challenges by implementing resilience strategies and practices that achieve a number of criteria and indicators to be a climate-resilient city. A collection of global frameworks for measuring resilience in general is discussed in addition …

Addressing The Gap: A Review Of Egyptian Graduate Skills And Career Readiness In Online Architectural Education, Ahmed H. Aboulsaadat

Journal of Engineering Research

No abstract provided.

Designing Childhood Spaces: Towards An Architecture That Responds To The Child’S Innate Needs And Enhances Interaction, Abdelrahman Mohamed Mousa

Journal of Engineering Research

: The creation of a building for children is no longer just a shelter, but rather a spatial unit for 2020, a diverse and generally direct difference in building the child's personality, which limits the strengthening of control over the child on the one hand, and the direction in which he lives. It is a loud cry, one that is diverse: children have realized us, and the reference to the cry is that we find ourselves participating in dealing properly with children and also in society years later. It is believed that attention to children during the preschool stage significantly …

The Role Of Artificial Intelligence In Changing The Traditional Design Form Of Children's Museums: Towards Integrating Artificial Intelligence Technologies In Architectural Design Education., Nevine Ismail Mahmoud, Amira Fawzy Helmy Almaz, Heba Jahin

Journal of Engineering Research

Children's museums are crucial for their educational and entertainment value, but they also need to adapt to technological advancements to maintain their appeal, especially for older children. The design of these museums should vary between permanent and mobile spaces to maximize their benefits in different areas. Interactive exhibits in children's museums can bridge the gap between traditional and modern education, appealing to a wider age range, and adapting to changing educational needs in different communities by offering a mix of permanent and mobile museums.

Artificial intelligence (AI) is revolutionizing the design process by enhancing efficiency and creativity. It helps architects …

Exploring The Role Of Localized Indigenous Knowledge In Developing Urban Water Resilience And Sustainability Strategies In Egypt, Nevine Ismail Mahmoud, Amira Fawzy Helmy Almaz, Amany Ragheb

Journal of Engineering Research

Urban areas worldwide face water challenges due to population growth, climate change, and inadequate construction. To tackle these issues, cities are experimenting with green infrastructure, rainwater harvesting, and wastewater recycling, integrating local data and sustainable construction methods to mitigate water scarcity and increase resilience.

This paper discusses using natural data in urban water management to tackle water scarcity, flooding, and quality issues. It suggests that this data can improve urban practicality and human well-being by addressing shared urban areas and the physical environment. Implementing natural enhancements like water harvesting, floodplain management, and shared filtration systems can enhance water quality and …

The Effects Of Recent Modifications In Egyptian Building Regulations On Urban Development And Socioeconomic Conditions Over The Past Decade, Mohamed M. Abohelal

Journal of Engineering Research

Over the past decade, Egypt has witnessed significant transformations in its urban regulatory framework, particularly through successive amendments to the Unified Building Law No. 119 of 2008. These legislative changes, implemented in 2015, 2021, and 2024, reflect evolving state strategies to manage urban growth, streamline construction processes, and address challenges in regulatory compliance. The 2015 amendments sought to enhance administrative coordination and facilitate permit acquisition, while the 2021 reforms imposed stringent restrictions on building height, coverage ratios, and facade dimensions, provoking widespread controversy due to their misalignment with local urban realities and economic capacities. In response to ensuing public and …

A Framework For The Role Of Vegetation Selection In Enhancing Educational Outdoor Spaces Through Ai Technology., Amira Mohamed, Mirette A. Esmat, Amira Mahrous Dr

Journal of Engineering Research

Well-designed outdoor spaces are increasingly recognised as critical components of environmental sustainability and community building within higher education institutions. Among the most influential elements in shaping these spaces is the strategic selection of vegetation, which must balance aesthetics, functionality, ecological value, and long-term maintenance. However, traditional plant selection methods remain time-consuming, labour-intensive, and often dependent on subjective judgement, posing significant challenges for landscape architects and campus planners. This paper explores the application of artificial intelligence (AI) as a transformative solution to enhance the plant selection process in educational outdoor environments. It introduces a comprehensive AI-driven framework that integrates key variables—including …

The Role Of Artificial Intelligence In Promoting Diversity And Inclusion In Urban Public Spaces Aspects Contributing To Mental Health Preservation, Rania B. Shokry

Journal of Engineering Research

I.

Cities are complex systems shaped not only by infrastructure but also by the emotional, sensory, and socio-political experiences of their inhabitants. Despite this multidimensional nature, urban planning is often guided by conventional frameworks that overlook the lived realities of residents. As critical components of the urban fabric, public spaces play a significant role in shaping social identity, cohesion, and psychological well-being.

This research explores the transformative potential of Artificial Intelligence (AI) in enhancing diversity and inclusion within urban public spaces, with a particular focus on its impact on mental health. Social segregation remains a major barrier to inclusive urbanism; …

Enhancing The Design Efficiency Of Building And Finishing Materials: "An Analytical Study On The Role Of Artificial Intelligence In Streamlining The Architectural Façade Design Process", Marwa Emad Fikry Elbishry

Journal of Engineering Research

The architecture and design sector is witnessing a profound transformation due to technological advancements, particularly in the field of Artificial Intelligence (AI) and its integration into architectural design processes. AI has empowered designers with intelligent analytical tools that support more precise and efficient decision-making.

Architectural façades represent a vital element that embodies the identity of a building while influencing its environmental, aesthetic, and functional performance. In this regard, optimizing the design efficiency of façades through the selection of appropriate building and finishing materials stands as a central objective in the pursuit of advanced and sustainable architectural solutions.

Given that material …

Terra Lunaris: Assessment Of A Lunar Habitat For Scientific Astronauts, Space Miners, Or Space Tourists, Dirk Schumann, Robert A. Goehlich

Publications

This conceptual paper explores ground- based habitable space modules for various applications. The Terra Lunaris concept serves as the baseline and is evaluated in comparison to existing and theoretical studies in this field. Terra Lunaris is a compact hybrid habitat that expands to offer nearly four times its transport volume by combining rigid modules with an inflatable shell. With most interior elements pre-installed and foldable, setup time and complexity are minimized. The design integrates technical zones, living quarters, and shared spaces, while also supporting psychological well-being under extreme conditions. The paper provides both qualitative and quantitative analyses of lunar habitation …

Performance Of Reinforced Concrete Wall With Discrete Frp Boundary Element Retrofit, Katelyn Lowry, Roger Biddle, Peter Laursen, Anahid A. Behrouzi, Cole Mcdaniel

Architectural Engineering

This paper presents experimental results for a lightly reinforced concrete (LRC) shear wall retrofitted with discrete fiber-reinforced polymer (FRP) strips at the boundary zones. The performance of this wall was evaluated through cyclic lateral load testing and compared with a wall retrofitted with continuous FRP at the boundary zones (Duong et al., 2024). Test results showed that the wall retrofitted with discrete strips exhibited a flexural tensile failure characterized by wide flexural cracks confined between FRP strips and rebar fracture at high drifts, while maintaining displacement compatibility and axial load capacity beyond strength degradation. Compared to the continuous FRP retrofit, …

A Green Concrete Mixture Using Rice Husk As Partially Cement Replacement, Khloud Khalid Eldamshiry, Zeina Salama, Amany Micheal, Rania Rushdy Moussa, Ayatallah Raafat

Architectural Engineering

Egypt's agricultural waste production has increased significantly in recent decades, leading to improper disposal methods and environmental pollution. Rice husks are the most common agricultural solid waste in Egypt, contributing to "black clouds" and causing health issues. On the other hand, Cement, a crucial component of construction materials, generates unsound residues and greenhouse gas emissions. Green concrete with rice husks could be a profitable solution for environmentally sound construction, reducing cement consumption and increasing the durability and integrity of new materials. This study investigates the use untreated rice husk fibres with a concrete mixture, avoiding burning and contributing to environmental …