Architecture Commons^™

Effectiveness Of Building Systems Strategies For Mitigation Of Airborne Transmission Of Sars-Cov-2, Meng Kong, Jialei Shen, Bing Dong, Jianshun Jensen Zhang

Mechanical and Aerospace Engineering - All Scholarship

Airborne transmission has been recognized as a major transmission pathway for the infectious disease COVID-19. This study investigated the effectiveness of several indoor air quality (IAQ) control strategies on the mitigation of airborne transmission of SARS-CoV-2, the virus that causes COVID-19. The well-known airborne disease infection risk model (Wells-Riley equation) was used to estimate the infection risk of the SARS-CoV-2 in seven (7) different types of spaces including conference center/ballrooms, hotel bistro//cafeteria, hotel lobby, classrooms (lecture), conference room/small classroom, hotel or cruise ship guest rooms and open plan offices. The IAQ control strategies included increased ventilation rate, improved air distribution …

Leveraging Abet Accreditation To Promote Inclusion Of Noise Control Engineering Concepts In Engineering Programs, Lily M. Wang, Bryan Beamer

Durham School of Architectural Engineering and Construction: Faculty Publications

Accreditation Board for Engineering and Technology, Inc. (ABET) accreditation is an internationally recognized system ensuring consistency and quality in engineering education programs. As a part of ABET accreditation, there is no set requirement for any general engineering program to include noise control engineering concepts in their curricula. However, one of the seven student outcomes that each ABET accredited engineering program must document is their students’ “ability to apply engineering design to produce solutions that meet specified needs with consideration of public health, safety, and welfare…” Controlling noise in the authors’ view is a fundamental strategy for protecting workers from occupational …

Thermal Energy Assessment Of New Constructed Bio-Based Insulation Material Applied In Buildings, Abeer Fuad Othman Dar Saleh

Architectural Engineering Theses

The building sector is moving towards energy-efficient design "low energy consumption". The development of bio-based thermal insulation materials contributes strongly to this approach. The implantation of these materials in the new designed buildings will have an excellent impact in reducing the energy consumption and subsequently saving the non-renewable resources depletion and in decreasing the waste generation.

In this research, the energy performance of a new bio-insulation material prepared from rice will be evaluated. Focusing on its physical and thermal properties such as thermal conductivity and fire reaction evaluation. The developed insulation sample has been made by heating a fixed quantity …

Exploring Conscious And Unconscious Emotional Affordances Of Traditional Versus International Architectural Styles, Ala’ Faleh Ahmad Albdour

Architectural Engineering Theses

This thesis is concerned with investigating the effect of contemporary architectural styles on the human emotion both conscious and unconscious. In particular, it looks at the traditional visual context versus the international visual context within the built environment. United Arab Emirates (UAE) is one of the countries that has applied little restrictions on the adoption of the architectural styles, the case that makes it an appropriate place to conduct this kind of studies. The main aim of this thesis is to investigate the emotional affordance of a number of participants when they observe a visual context of a ‘Brand Image’ …

Building Integrated Photovoltaics: Barriers And Drivers In The United Arab Emirates, Daniel Efurosibina Attoye

Dissertations

Buildings consume about 40% of the total annual energy produced globally; however, under the extreme hot climate of the United Arab Emirates (UAE) this reaches almost 80%. From an architectural perspective, this study focuses on Building Integrated Photovoltaics (BIPV) as a multi-functional, innovative solar technology that provides on-site renewable energy. Researchers affirm that BIPV has the potential to convert the building from a consumer of energy, to a producer of renewable energy while advancing net-zero targets, and maintaining building aesthetics, functionality, and structural stability. Along with other technical and economic benefits, BIPV can also contribute towards advancing the global energy …

Social Media Impact On Urban Awareness In Saudi Arabia: An Empirical Study, Nahar Bahij, Mohammad Alghamdi

Emirates Journal for Engineering Research

The Kingdom of Saudi Arabia is one of the most active countries in social media, as it is leading the world in the number of active users on Snapchat and on the way to top the number of users on Instagram. Recently, many local and Arab influencers have launched accounts on social media platforms to create urban awareness among the public, which makes it a new phenomenon that needs to be studied.

This research aims to study the impact of social media platforms and applications on urban awareness in the Kingdom of Saudi Arabia. The research used the methodology of …

Semi Open Partitions: A Defense Strategy For Airborne Disease, Kerrie Marshall, Arik Palileo, Eric A. Schiff

SyracuseCoE

This brief summarizes research on two measures that reduce the risk of transmitting COVID-19 from an infected person to a virus-free individual. Semi-partitioned spaces can reduce airborne disease transmission when combined with a proper ventilation flow pattern in a room. With advanced displacement ventilation risk can be reduced by at least 4 times.

The Lack Of Fire Safety Knowledge And Implementation The Case Of High-Rise Buildings, Mohamad Abou Chakra

Architecture and Planning Journal (APJ)

High-rise buildings are growing rapidly in number around the world. They are becoming important landmarks that mark out certain geographical areas. The fires of high-rise building have many characters not found in traditional low-rise buildings, like the variety of blazing factors, ways of fire spreading, and difficulty of evacuation. Hence, the protection features of conventional fire methods are not sufficient in designing towers. The paper, at first, summarizes the characteristics of high-rise buildings and fires, the unique features of Tall Buildings and the special life safety requirements for the high-rise buildings. Consequently, the topic of fire and life safety codes …

Guidelines For Implementing Modem: An Open-Source, Matlab-Based Digital Image Correlation Software, Ryan Schwartz

Architectural Engineering

MODEM is an open-source, MATLAB-based digital image correlation (DIC) program that was developed at the University of Auckland for small-scale testing of flexible materials. Structural engineering researchers at both the University of Auckland and Cal Poly – San Luis Obispo wanted to expand the uses of the program to study the seismic response of large-scale test specimens. This guide document describes how to implement DIC using MODEM, including the hardware and software needed to run an experiment as well as data collection and post-processing procedures for the program. Additionally, this document includes a case study focusing on a DIC test …

Resilience Of School Systems Following Severe Earthquakes, Emad M. Hassan, Hussam N. Mahmoud, Bruce R. Ellingwood

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Natural disasters may have catastrophic and long-lasting impacts on communities' physical, economic, and social infrastructure. Slow recovery of educational services following such events is likely to cause traumatic stress in children, lead families to out-migrate, and affect the community's overall social stability. Methods for quantifying and assessing the restoration process of educational systems and their dependencies on other supporting infrastructure have not received adequate attention. This study introduces, for the first time, a new framework to evaluate the functionality, recovery, and resilience of a school system following severe earthquake events. The framework considers both the quantity and quality of education …

Optimum Tree Distribution For Pedestrian Walkway Of Commercial Street In Tripoli City, Yasmine Khaled Amkieh

Architecture and Planning Journal (APJ)

Designing a developed urban city requires sufficient methods to plan its principal parts that include walkways. These walkways are pedestrian connections that contain sidewalks, paths, and highway shoulders. Planning and executing a complete sidewalk require a fulfillment existence of all its parts from the pedestrian walkway, the street furniture, and the frontage zone. The objective of this paper is to increase the surface shadows for the pedestrian walking areas, to attract more people which, increase the economic value of the commercial street. Tripoli city and in particular “Achir El-Dayeh” street is the main case study, as the pedestrian walkway in …

Odor Pollution Assessment In Residential Urban Spaces In Tripoli City, Yasmine Khaled Amkieh

Architecture and Planning Journal (APJ)

The odor pollution is a real problem that could threat a city and influence negatively the health of people. The odor is formed from invincible substances and several previous researches in both fields of chemical and meteorological specialization have created visualization maps for odor as an intending to locate the odor source, substances, and affected areas. This research aims to benefit from previous studies in the architectural field in providing a visualization for the odor in the city especially in the residential areas. The objective of the research is to create an assessment of the odor sources and affected residential …

Assessment Of Modeling Strategies For Lightly Reinforced Concrete Shear Walls, J. Williams, T. Doan, P. Laursen, Anahid A. Behrouzi

Architectural Engineering

element detailing, which suggest they are susceptible to brittle, compression-controlled failure modes, and deemed deficient by industry practitioners. Researchers at the California Polytechnic State University [1], San Luis Obispo (Cal Poly), recently tested a slender RC wall with vertical and horizontal reinforcement ratios approaching ACI 318-14 [2] code minimum (ρl= ρh= 0.37%) and no boundary elements. Results from this wall test will be presented and contrasted with a set of lightly reinforced walls, specimens C1-C3 tested by Lu et al. [3] at the University of Auckland, New Zealand, with higher levels of reinforcement (ρl= 0.53%). This paper will examine the …

Geo-Spatial Analysis Of Reinforced Concrete Building Damage In 2017 Mexico Earthquake, N. Slavin, A. Bravo, A. Datta, Anahid A. Behrouzi

Architectural Engineering

This paper summarizes analyses of structural damage to reinforced concrete buildings seen after the 2017 Mexico City earthquake. With respect to the 2017 earthquake, the authors are part of a multi-institution National Science Foundation (NSF) RAPID effort that involved several in-field data collection missions yielding a dataset with detailed metadata for nearly 120 buildings. This data has been analyzed in conjunction with a high-density data set of around 1400 buildings from the National Autonomous University of Mexico (UNAM). The focus of analyses includes identifying correlations between building attributes (age, height, column ratio, design vulnerabilities, etc.) and site attributes (soil zone …

How Does Three-Dimensional Canopy Geometry Affect The Front Propagation Of A Gravity Current?, Jian Zhou, Subhas K. Venayagamoorthy

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Large-eddy simulations are performed to investigate how three-dimensional canopy geometry affects the front propagation of an incoming gravity current under a given initial forcing. A regular array of rigid square cylinders are used to represent the distributed canopy elements. It is shown that the conventional geometrical parameter of submerged canopies in constant-density flows (ah, where a is the frontal area per canopy volume and h is the canopy height) is misleading when applied to buoyancy-driven flows due to the additional complexity arising from the internal density gradients. Instead, the present study suggests a new geometrical framework consisting of a canopy …

Co2 Curing Efficiency For Cement Paste And Mortars Produced By A Low Water-To-Cement Ratio, Seong Ho Han, Yubin Jun, Tae Yong Shin, Jae Hong Kim

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Curing by CO₂ is a way to utilize CO₂ to reduce greenhouse gas emissions. Placing early-age cement paste in a CO₂ chamber or pressure vessel accelerates its strength development. Cement carbonation is attributed to the quickened strength development, and CO₂ uptake can be quantitatively evaluated by measuring CO₂ gas pressure loss in the pressure vessel. A decrease in CO₂ gas pressure is observed with all cement pastes and mortar samples regardless of the mix proportion and the casting method; one method involves compacting a low water-to-cement ratio mix, and the other method comprises a …

Improving The Economic Viability And Flexural Strength Performance Of Dowel Laminated Casaurina Glauca Patchwood, Hesham Elseginy

Theses and Dissertations

The purpose of this study was to determine the strength of local casuarina glauca patchwood under artificial weathering presenting the changes of strength of wood along fibers. The study involved wood of similar density - half factorial design experiment was used with four factors to use fewer samples to have a total of 8. The specimens were exposed to artificial weathering consisting of soaking wood in water, drying at 60 °C, and exposure to UV radiation. Three-step aging cycle was repeated 8 times. In general, the tested wood species changed their compressive strength differently under the influence of artificial weathering. …

The Irish Construction Industry’S State Of Readiness For A Bim Mandate In 2020, Barry Mcauley, Alan V. Hore, Roger P. West

Conference papers

It was recently announced that a BIM mandate for the Irish public sector is not imminent, suggesting that the sector is not yet ready for what such a mandate implies. Following on from a forward-looking BIM Roadmap for Ireland in 2017 and the publication by the authors of a detailed BIM in Ireland study in 2017 and 2019, what is the actual state of readiness for a more general BIM mandate in Ireland? This paper will review recent publications, seminars and industry initiatives on this topic of interest supported by an online survey to assess the current state of readiness …

How Can Sustainable Building Practices Reduce The Environmental Impact Of Building Activities?, Aaraf Shukur Alqaisi

International Programs

Sustainability has been a very important subject lately , Due to the observable change in the environment, which drives us to seek solutions for the current situation. in this poster we will discuss some of the sustainable solutions that aims to reduce the environmental impact that relates to building & construction industry

Investigation Of Modeling Strategies For Slender Lightly Reinforced Concrete Shear Walls, Jenna Marie Williams, Tracy Destiny Doan

Architectural Engineering: Graduate Reports

A large number of pre-1980’s non-ductile reinforced concrete (RC) structures in California utilizing RC shear walls to resist seismic lateral forces have been identified as deficient by industry practitioners. These non-ductile wall systems are typically lightly reinforced and lack adequate boundary element detailing. Analytical studies suggest these walls are susceptible to brittle, compression-controlled failure modes due to damage from concrete crushing and bar buckling. Furthermore, poor behavior of lightly reinforced concrete walls was observed in many recent earthquakes, for example in Chile (1985), New Zealand (2010/2011) and Mexico (2017). This has generated concern among engineers in high seismic regions around …

Bim Research In Irish Academic Institutions 2015-19, Barry Mcauley, Alan V. Hore, Roger P. West

Conference papers

The use of BIM in the Irish construction industry has become pervasive in the last decade and it is an essential element in improving productivity in the market. The developments in BIM education and training in supporting the increase in Ireland’s BIM maturity has been well documented in recent years, principally through the proceedings of the BIM Gatherings and the BIM in Ireland 2017 and 2019 reviews. Similarly, the public and private sectors have been surveyed to establish their readiness for digital transformation on their BIM journey. However, BIM research undertaken by Irish academics, while individually strong, has not been …

Crease: Synchronous Gait By Minimizing Actuation Through Folded Geometry, Olga Mesa, Saurabh Mhatre, Dan Aukes

Architecture, Art, and Historic Preservation Faculty Publications

The Age of the Fourth Industrial Revolution promises the integration and synergy of disciplines to arrive at meaningful and comprehensive solutions. As computation and fabrication methods become pervasive, they present platforms for communication. Value exists in diverse disciplines bringing their approach to a common conversation, proposing demands, and potentials in response to entrenched challenges. Robotics has expanded recently as computational analysis, and digital fabrication methods are more accurate and reliable. Advances in functional microelectromechanical components have resulted in the design of new robots presenting alternatives to traditional ambulatory robots. However, most examples are the result of intense computational analysis necessitating …

Used The Most, Taught The Least: An Analysis Of Current Wood Engineering Education In U.S. Universities, John W. Lawson, Michelle Kam-Biron, Brent Perkins

Architectural Engineering

Structural engineers are becoming aware of the impact the selection of structural materials can have on the environment. The building industry is acknowledging and embracing the contribution of the sustainable potential of wood to reduce the environmental footprint of a project through its carbon-storing capabilities and renewable qualities. Relevant was the introduction of cross-laminated timber (CLT) into the 2015 International Building Code (IBC) and the creation of the International Code Council’s (ICC) Tall Wood Building Ad Hoc Committee. The Committee investigated the viability of increasing allowable areas and heights of mass timber construction, which resulted in code changes for the …

Empowering Villages Community Center: Kilimbi, Rwanda, Serena J. Reeves

Architectural Engineering

In collaboration with Journeyman International and Empowering Villages this project includes the structural drawings and calculations for a community center located in a rural part of Kilimbi, Rwanda. The structural systems utilized include conventional wood framing, wood framed trusses, special concrete moment frames, special concrete cantilevered columns, conventional continuous foundations, pad footings and a slab on grade. The goal of this project is to promote a healthy community dynamic by providing spaces for assembly, social programs, skills training, and recreation. It includes classrooms, a library, and outdoor learning areas.

Observations About The Seismic Response Of Rc Buildings In Mexico City, Sergio Alcocer, Anahid A. Behrouzi, Sergio Brena, Kenneth J. Elwood, Ayhan Irfanoglu, Michael Kreger, Rémy Lequesne, Gilberto Mosqueda, Santiago Pujol, Aishwarya Puranam, Mario Rodriguez, Prateek Shah, Andreas Stavridis, Richard Wood

Architectural Engineering

Over 2000 buildings were surveyed by members of the Colegio de Ingenieros (CICM) and Sociedad Mexicana de Ingenieria Estructural (SMIE) in Mexico City following the Puebla-Morelos Earthquake of 2017. This inventory of surveyed buildings included nearly 40 collapses and over 600 buildings deemed to have structural damage. Correlation of damage with peak ground acceleration (PGA), peak ground velocity (PGV), predominant spectral period, building location, and building properties including height, estimated stiffness, and presence of walls or retrofits was investigated for the surveyed buildings. The evidence available suggests that (1) ground motion intensity (PGV) drove the occurrence of damage and (2) …

A Comparison Between Ultrasonic Guided Wave Leakage And Half-Cell Potential Methods In Detection Of Corrosion In Reinforced Concrete Structures, Ahmad Shoaib Amiri

Durham School of Architectural Engineering and Construction: Dissertations, Theses, and Student Research

Corrosion of reinforcing steel bars (rebar) in reinforced concrete decks can lead to serious structural issues in bridges. Ultrasonic Testing (UT) methods provide small wavelengths that can be used for early detection of several types of deterioration. The recently-developed Ultrasonic Guided Wave Leakage (UGWL) Method utilizes steel as the waveguide and measures the energy leaked into the surrounding concrete. Previous studies completed at University of Nebraska-Lincoln demonstrated that the measurements of the leaked energy using receivers from the concrete surface can successfully identify early stages of various flaws such as corrosion, delamination, and cracking. In this method, the longitudinal waves …

Water-Infused Design: Two Contemporary Projects, Ziwei Zheng

International Programs

No abstract provided.

The Advantages Of Integrated Project Delivery (Ipd) Utilization In The Construction Industry Compared To Traditional Project Delivery Methods, Mert Oytun

International Programs

Today, primarily due to the development of information technologies, the Architecture Engineering and Construction (AEC) industry has the opportunity to realize its shortcomings more effortlessly. Typically, the most considerable difficulties are encountered in the performance measurements of projects in the AEC industry. The reason is that the AEC industry is highly fragmented, even though it involves various stakeholders that should be in uninterrupted communication throughout all phases of a project. This fragmented structure mainly causes (1)endless debates among the stakeholders, (2) schedule delays, and (3) profit losses. Hence, addressing projects’ productivity change regarding the utilization of different project delivery methods …

Understanding The Impact Of Room Acoustic Conditions On The Kurtosis Levels Of Various Noise Signals, William Spallino

Durham School of Architectural Engineering and Construction: Dissertations, Theses, and Student Research

Impulsive noise can be common in certain occupational and recreational settings, such as manufacturing plants, construction sites, and firing ranges. While many regulations and guidelines for noise exposure exist, their mathematical basis is stronger for continuous noise, and concerns have been raised about the possibility that impulsive noise may be more harmful to people’s hearing than those metrics would let on. Much work has been done on establishing metrics that accurately assess the severity and hearing risk associated with impulsive noise, but the effects of room acoustic conditions on those metrics have been heretofore understudied.

This study calculated room impulse …

Random Packing Material In Disinfection Contactors: Effects On Final Drinking Water Quality, Jessica L. Baker, Susan K. De Long, Subhas K. Venayagamoorthy

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

This study investigates the concern about biofilm growth on random packing material (RPM) used to enhance the hydraulic disinfection efficiency of a chlorine contactor. The inflow, outflow, and RPM were monitored for heterotrophic bacteria (via heterotrophic plate counts) and Pseudomonas aeruginosa as indicators of bacteriological water quality and the presence of biofilm. The results of this study show that there was no substantial biofilm growth in a lab-scale chlorine contactor and no substantial increase in bacterial counts for the bulk outflow over a 10-week period. Thus, the potential for excessive biofilm growth should not be considered a barrier concerning the …