Architectural Engineering Commons^™

Evaluation Of Structural Retrofit Of A Hillside Home, Cameron C. R. Cunningham

Architectural Engineering

On November 24, 2021 after months of initial planning, the project owner received approval from the San Luis Obispo Planning and Building Department for initial work on a residential remodeling submission. This approval including a grading permit and other initial site work to begin renovation of the owner’s hillside residential property.

Spatial Release From Masking In Anechoic And Reverberant Environments, Drake Andrew Hintz

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

Listening with both ears provides children with access to binaural and monaural cues that are helpful for understanding speech in competing babbles. Specifically, when the target and masker are spatially separated, children can gain an intelligibility benefit which is known as spatial release from masking (SRM). Recent work [Peng et al., 2021 JASA] suggested that school-age children demonstrated immature SRM using binaural cues that are distorted by reverberation. In this follow-up study, we further investigate the effect of reverberant distortion on individual auditory spatial cues, namely binaural and monaural head shadow cues. We compare SRM between adults and school-age children …

Designing For A Local Brand Image Of Architecture To Achieve Cultural Sustainability: Al Ain City As A Case Study, Dana Bassam Bidoun

Thesis/ Dissertation Defenses

Cities, like Al Ain, are dynamic entities, echoing the diverse rhythms and values of their inhabitants. Urban evolution showcases a city's brand—its unique identity sculpted by historical, cultural, and local influences. A city's true essence emerges when architects collaborate with residents, blending their desires with the city's architectural legacy. This study aimed to evaluate the effectiveness of a brandbased design strategy, integrating the architecture process with insights from local residents to foster a sense of identity and belonging in the built environment. Grounded in the personal construct theory, the research applied the repertory grid technique, combining both qualitative and quantitative …

Teaching The Equivalent Rectangular Stress Block, J. Chris Carroll, Ben Dymond, Anahid Behrouzi

Architectural Engineering

The equivalent rectangular stress block is the basis for determining the flexural strength of reinforced concrete members. Instructors commonly present the concept in two dimensions, contrary to its three-dimensional nature. Unfortunately, this can be particularly difficult for students to understand and visualize, especially for students with visual learning style preferences. This paper presents an overview of the equivalent rectangular stress block, select active learning methods, and four specific examples used by the authors to introduce the equivalent rectangular stress block in an undergraduate reinforced concrete design course. The first method focuses on understanding the terms associated with the equivalent rectangular …

Digital Construction Annual Survey 2022 Report, Davitt Lamon, Ted Mckenna

Reports

The Annual Survey 2022 was conducted to assess the state of digital transformation in the Irish construction and built environment sector. This report presents the analysis of survey data, with a focus on implications for the Build Digital project and Build Digital’s five pillars: Digital Leadership & Cultural Change, Digital Standards, Digital Education & Training, Digital Procurement, and Sustainability & Circular Economy. Key findings from the survey indicated that a significant number of organisations have started their digital transformation journey, with many identifying themselves as proactive and possessing a clear business-focused strategy. However, a considerable cohort of respondents are keen …

International Information Management And Bim Best Practice Report, Ted Mckenna, Davitt Lamon

Reports

In order to inform the Digital Leadership and Cultural Change pillar of the Build Digital, a study of international best practice in digital adoption within the built environment sector globally was undertaken and is presented here-in. In order to identify key learnings for Ireland in the context of digital transformation, eight countries were included in this study, namely, Denmark, Finland, Netherlands, Germany, United Kingdom (UK), New Zealand, Australia and Singapore. These countries were selected for various reasons, including the level of digital maturity, the scale of the built environment sector and geographic spread. Key data for each country is included …

Sustainability And Circular Economy Horizon Scan And Needs Analysis, Sadaf Dalirazar, Mark Kelly, Derek Sinnott, James O'Donnell

Reports

The construction industry plays a crucial role in addressing the climate crisis as it is the largest global consumer of raw materials and contributes significantly to global energy consumption and emissions. Considering the world’s continuous population growth and the imperative to address infrastructure and housing demands the construction sector needs to adopt further sustainable strategies in its activities to reduce the pressure on natural resources. In addition, the Architecture, Engineering, and Construction (AEC) sector is responsible for generating substantial amount of waste known as Construction and Demolition Waste (CDW), which is projected to increase due to the future construction developments. …

Information Management And Bim Standards And Supports Inventory, Ryan Dempsey, Barry Mcauley, David Burke

Tools

The Digital Standards pillar consists of industry experts who champion the benefits of common rules, guidelines, and workflows that facilitate the improvement of information flow and information management across asset life cycles. Digital standards provide a common language that can be translated to technical specifications enabling clients, designers, contractors, and facilities managers, irrespective of their preferred tools, to communicate efficiently and reduce cost, rework, and disputes. Working closely with the Digital Procurement and Digital Education and Training pillars, this pillar is developing and delivering Irish Information Management/BIM (Digital Construction) guidelines for the sector.

This report summarises existing digital construction standards, …

Assessing Asset Management In Aec/Fm: Unveiling Limitations And Advancing Solutions With Digital Twin, Abdelmoneim Mohamed Abdelmoti

Thesis/ Dissertation Defenses

In recent years, the concept of Digital Twins (DTs) has emerged as a transformative technological innovation with the potential to revolutionize asset management practices. A Digital Twin is a digital representation closely linked to a physical entity, enabling bidirectional information exchange and data-driven decision-making. Within the realm of Architecture, Engineering, and Construction/Facilities Management (AEC/FM), DTs offer a diverse array of applications for enhancing asset management.
This thesis aims to demystify the concept of DTs and explore their existing applications in asset management, particularly within the AEC/FM industry. To achieve this, the research employs a twofold approach: a systematic review of …

Organic Electronics In Biosensing: A Promising Frontier For Medical And Environmental Applications, Jyoti Bala Kaushal, Pratima Raut, Sanjay Kumar

Durham School of Architectural Engineering and Construction: Faculty Publications

The promising field of organic electronics has ushered in a new era of biosensing technology, thus offering a promising frontier for applications in both medical diagnostics and environmental monitoring. This review paper provides a comprehensive overview of organic electronics’ remarkable progress and potential in biosensing applications. It explores the multifaceted aspects of organic materials and devices, thereby highlighting their unique advantages, such as flexibility, biocompatibility, and low-cost fabrication. The paper delves into the diverse range of biosensors enabled by organic electronics, including electrochemical, optical, piezoelectric, and thermal sensors, thus showcasing their versatility in detecting biomolecules, pathogens, and environmental pollutants. Furthermore, …

Draft State Legislation: "Cycle-Based Adoption Of The International Code Council’S Model Building And Energy Conservation Codes", Hailey M. Mattingly

Commonwealth Policy Papers

This draft state legislation crafted with nonprofit partners is created in order to update building codes across the Commonwealth of Kentucky with uniform professional standards also adopted by surrounding states which are provided by the ICC, in order to improve resilience to natural disasters. This bill draft is accompanied with a short brief published in the same volume.

North Hall And Library Architecture Collection, 2008-16, Allen Thomas, Cynthia Tobar

Finding Aids

Finding aid for the North Hall and Library Architecture collection prepared by Bronx Community College Archives.

From Concrete Jungles To Hemp Sanctuaries: The Rise Of Sustainable Building Practices, Kim Paige Sullivan

[Archive] Belmont University Research Symposium (BURS)

The evolution of urban landscapes from dense, concrete-dominated environments to greener, more sustainable habitats marks a pivotal shift in architectural and urban planning paradigms. This paper explores the transition from "Concrete Jungles" to "Hemp Sanctuaries," highlighting the significant role of sustainable building practices and the adoption of carbon sequestering materials, with a particular focus on hempcrete. The historical context of rapid urbanization and industrialization in the early 20th century set the stage for the dominance of concrete structures, driven by economics often at the expense of environmental sustainability. This approach contributed to increased demand for resources, energy consumption, and greenhouse …

Evaluation Of Residual Flexural Behavior Of Corroded Fiber-Reinforced Super Workable Concrete Beams, Jingjie Wei, Nima Farzadnia, Alfred Addai-Nimoh, Kamal Khayat

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

This Study Investigates the Effect of Macro Synthetic Fiber (MSF) Volume and Crack Widths on Corrosion of the Reinforcing Bars and Residual Flexural Behavior of Fiber-Reinforced Super-Workable Concrete (FR-SWC) Beams Exposed to Accelerated Corrosion. FR-SWC Beams Prepared with 0, 0.33%, and 0.66% MSF Were Pre-Cracked at 0.2-, 0.4-, and 0.75-Mm Widths Before Corrosion Testing. the Controlled Crack Width Was Initiated in One Set of Beams that Were Then Unloaded. the Crack Width Was Maintained for Another Set of Beams during Corrosion Testing by Inserting a Shim. Test Results Showed that the Use of 0.33% and 0.66% MSF Reduced Crack Development …

Cement-Based Materials With Solid-Gel Phase Change Materials For Improving Energy Efficiency Of Building Envelope, Zhuo Liu, Jiang Du, Ryan Steere, Joshua P. Schlegel, Kamal Khayat, Weina Meng

Nuclear Engineering and Radiation Science Faculty Research & Creative Works

This paper evaluated the cement-based materials incorporated with novel solid-gel phase change materials (PCMs) for improving the energy efficiency of building envelopes. This novel PCM is form-stable, which will not leak as solid-liquid PCMs do and not need encapsulation, and it features high energy-storage capacity. Experimental results showed that the thermal properties of cement-based materials were improved as the increase of PCM content. A 30% replacement of sand by volume with PCM can increase the latent heat of the mixture from around 0 to 7 J/g and decrease the thermal conductivity of PCM mortar based on the generalized self-consistent (GSC) …

Investigating Bim Applications In Reducing Co2 Emissions In The Built Environment – Uae Context, Rua Ahmed Maali

Theses

Large amounts of CO₂ are released into the atmosphere throughout the life cycle of a building starting from the production of materials and products, in the construction phase of the building itself, in the site setting, the renovations, the later rehabilitation, and up to the final demolition. Hence, this thesis aims to investigate the potential of using Building Information Modeling (BIM) in making informed decisions that can help in reducing CO₂ emissions in the life cycle of built environment projects. This study has used a mixed method approach that includes literature review, a case study and semistructured interviews. …

Assessing Asset Management In Aec/Fm: Unveiling Limitations And Advancing Solutions With Digital Twin, Abdelmoneim Mohamed Abdelmoti

Theses

In recent years, the concept of Digital Twins (DTs) has emerged as a transformative technological innovation with the potential to revolutionize asset management practices. A Digital Twin is a digital representation closely linked to a physical entity, enabling bidirectional information exchange and data-driven decision-making. Within the realm of Architecture, Engineering, and Construction/Facilities Management (AEC/FM), DTs offer a diverse array of applications for enhancing asset management.
/="/">This thesis aims to demystify the concept of DTs and explore their existing applications in asset management, particularly within the AEC/FM industry. To achieve this, the research employs a two-fold approach: a systematic review …

Effect Of Type And Quantity Of Inherent Alkali Cations On Alkali-Silica Reaction, Pengfei Ma, Jiaoli Li, Jincheng Bai, Ying Zhuo, Lingyu Chi, Yanping Zhu, Zhenhua Shi, Hongyan Ma, Genda Chen

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

In this study, the macroscopical expansion induced by alkali-silica reaction (ASR) and its corresponding ASR products are investigated using ordinary Portland cement (OPC) mortar specimens with a gradient of boosted alkalis. Experimental results show that the expansion increases with the concentration of inherent alkalis. Sodium-boosted samples expand approximately three times as much as potassium-boosted samples. ASR gels that are present in aggregate veins are calcium-free and amorphous; the atomic ratios of ASR gels are nearly independent of the type and quantity of alkali cations. Aggregate ASR gel exudation occurs in high (≥2.5 %) sodium cases and produces potential Na-shlykovite. Crystalline …

Active And Visual Methods For Teaching Nonrectangular Reinforced Concrete Beams, J.Chris Carroll, Anahid Behrouzi, Karl F. Meyer

Architectural Engineering

Nonrectangular cross sections are a common occurrence in reinforced concrete design typically taking the form of flanged beam sections, circular columns, and square or rectangular columns subject to biaxial bending. Instructors typically introduce the theory behind nonrectangular beams using two-dimensional sketches of flanged sections. Students can struggle to visualize the examples when presented in two dimensions; deciphering the multiple resultant compressive forces and their corresponding moment arms are particularly difficult. This paper presents an overview of nonrectangular beam theory and select active learning methods along with three specific examples used by the authors to teach nonrectangular beams in an undergraduate …

Classifying Diseases Affecting Gait With Body Acceleration-Based Machine Learning Models, Mohammad Ali Takallou

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

This Ph.D. dissertation introduces a comprehensive framework designed to harness acceleration data as a uniquely valuable tool for early disease classification, specifically focusing on gait-related diseases. In the modern healthcare landscape, timely and accurate classification of such diseases is paramount, as it can significantly impact treatment outcomes and patient quality of life.

As a compelling case study, we conducted a meticulous experiment to identify individuals afflicted with peripheral artery disease (PAD) and classify them from those without PAD. Our framework leverages acceleration data extracted from strategically placed anatomical reflective markers, including locations such as the sacrum, to train sophisticated classification …