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Rilem Tc 266-Mrp: Round-Robin Rheological Tests On High Performance Mortar And Concrete With Adapted Rheology—Evaluating Structural Build-Up At Rest Of Mortar And Concrete, Sofiane Amziane, Kamal Khayat, Mohammed Sonebi, Arnaud Perrot 2023 Missouri University of Science and Technology

Rilem Tc 266-Mrp: Round-Robin Rheological Tests On High Performance Mortar And Concrete With Adapted Rheology—Evaluating Structural Build-Up At Rest Of Mortar And Concrete, Sofiane Amziane, Kamal Khayat, Mohammed Sonebi, Arnaud Perrot

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

This Paper Presents the Results of a Round-Robin Testing Program Undertaken by RILEM TC-266-Measuring Rheological Properties of Cement-Based Materials in May 2018 at the Université D'Artois in Bethune, France. Seven Types of Rheometers Were Compared; They Consisted of Four ICAR Rheometers, Viskomat XL Rheometer, EBT-V Rheometer, Sliding Pipe Rheometer (SLIPER), RheoCAD Rheometer, and 4SCC Rheometer, as Well as the Plate Test. This Paper Discusses the Results of the Evolution of the Static Yield Stress at Rest of Three Mortar and Five Concrete Mixtures that Were Determined using Two ICAR Rheometers, Viskomat XL, and EBT-V Rheometers, as Well as the Plate …


Common Ground Newsletter Fall 2023, Missouri University of Science and Technology 2023 Missouri University of Science and Technology

Common Ground Newsletter Fall 2023, Missouri University Of Science And Technology

Common Ground

- Free-Format Education

- S&T student selected as national ASCE ambassador

- Heart of a servant

- Exploring history, architecture of Chicago


An Investigation Into Ireland’S Bim Skills Gap, Guadalupe Centanni, Barry McAuley 2023 Technological University Dublin

An Investigation Into Ireland’S Bim Skills Gap, Guadalupe Centanni, Barry Mcauley

Conference Papers

The adoption of digital skills within the Irish AEC Sector has the potential to enhance efficiency and competitiveness among its stakeholders. Despite this opportunity, there is still a high demand for skilled BIM professionals, which cannot be currently met. To meet this skills demand and directly target future skills gaps within Ireland, several challenges must be addressed to facilitate broader BIM adoption. This paper focuses on addressing this gap by identifying steps to be followed to develop skilled professionals within BIM. This has been achieved by investigating the extent to which construction stakeholders in Ireland comprehend BIM and, examiningthe training …


Accelerating Bim Adoption In Ireland: A Ten-Year Review Of Cita Bim Gathering Proceedings, Alan Hore, Roger West, Barry McAuley 2023 Technological University Dublin

Accelerating Bim Adoption In Ireland: A Ten-Year Review Of Cita Bim Gathering Proceedings, Alan Hore, Roger West, Barry Mcauley

Conference Papers

Digital construction interfaces have been studied extensively over the last few decades, with an ever-grow- ing catalogue of publications. The CitA BIM Gathering conferences have played a key role in bringing together the research and industry communities ina collaborative setting over the past decade in Ireland. In this paper the authors systematically review 10 years of papers published in the BIM Gathering pro- ceedings since the inaugural conference in 2013. A total of 175 papers involving over 200 authors have been reviewed and classified under the 2018 World Economic Forum (WEF) recommendations in respect to ac- celerating BIM adoption. The …


Industry Colloquium Report, Robert Moore 2023 Build Digital

Industry Colloquium Report, Robert Moore

Reports

In the ever-evolving landscape of the construction industry, digital transformation has emerged as a pivotal force reshaping the way projects are conceived, executed, and delivered. This transformation, fuelled by cutting-edge technology and innovative practices, holds the promise of greater efficiency, sustainability, and collaboration within the construction sector.

This report offers a comprehensive summary of the Build Digital Project colloquium. It provides actionable insights and recommendations for clients, supply chain partners, and for prioritisation within the Build Digital Project pillars. As the industry partners seek to build a more efficient, sustainable, and collaborative construction sector, understanding and harnessing the invaluable insights …


Introduction To 'Artificial Intelligence In Failure Analysis Of Transportation Infrastructure And Materials', Yue Hou, Qiao Dong, Dawei Wang, Jenny Liu 2023 Missouri University of Science and Technology

Introduction To 'Artificial Intelligence In Failure Analysis Of Transportation Infrastructure And Materials', Yue Hou, Qiao Dong, Dawei Wang, Jenny Liu

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Transportation infrastructures, including roads, bridges, tunnels, stations, airports and subways, play fundamental roles in modern society. Engineering failures of transportation infrastructures may result in significant damage to the public. The traditional methods are to monitor, store and analyze the information during the infrastructure and material design, testing, construction, numerical simulations, evaluation, operation, maintenance and preservation, using mechanistic-based, material based and statistics-based approaches. In recent decades, artificial intelligence (AI) has drawn the attention of many researchers and has been used as a powerful tool to understand and analyze the engineering failures in transportation infrastructure and materials. AI has the advantages of …


Wood Diaphragm Deflections. Part I: Generalizing Standard Equations Using Mechanicsbased Derivations For Panel Construction, John W. Lawson, Scott Breneman, Marco Lo Ricco 2023 California Polytechnic State University, San Luis Obispo

Wood Diaphragm Deflections. Part I: Generalizing Standard Equations Using Mechanicsbased Derivations For Panel Construction, John W. Lawson, Scott Breneman, Marco Lo Ricco

Architectural Engineering

Horizontal wood diaphragm systems, whether decked with conventional or mass timber panels, transfer wind and seismic loads to vertical elements of the lateral force-resisting system (LFRS), in flexible, rigid, or semi-rigid fashion. Characterizing and calculating the resulting diaphragm deflections determines the distribution of forces to critically loaded components and a significant portion of lateral building translations and rotations. Deflection equations for sheathed wood structural panel (WSP) diaphragms are well established in U.S. design standards in a 4-term expression that models flexural, shear, and fastener-slip deformations and its full derivation using principles of mechanics is provided herein. Derivations of similar equations …


In Situ Monitoring Of The Hydration Of Calcium Silicate Minerals In Cement With A Remote Fiber-Optic Raman Probe, Bohong Zhang, Wenyu Liao, Hongyan Ma, Jie Huang 2023 Missouri University of Science and Technology

In Situ Monitoring Of The Hydration Of Calcium Silicate Minerals In Cement With A Remote Fiber-Optic Raman Probe, Bohong Zhang, Wenyu Liao, Hongyan Ma, Jie Huang

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

This study utilized a novel in situ fiber-optic Raman probe to continuously monitor the hydration progress of tricalcium silicate (C3S) and dicalcium silicate (C2S) without the need for sampling, from early hydration stage to later stages, and from fresh to hardened states of paste samples. By virtue of the remarkable ability of this technique in characterizing either dry or wet and crystalline or amorphous samples, the hydration processes of C3S and C2S pastes with different water-to-solid (w/s) ratios could be monitored from the start of the hydration reaction. The main hydration products, …


Wood Diaphragm Deflections. Part Ii: Implementing A Unified Approach For Current Clt And Wsp Practice, John Lawson 2023 California Polytechnic State University, San Luis Obispo

Wood Diaphragm Deflections. Part Ii: Implementing A Unified Approach For Current Clt And Wsp Practice, John Lawson

Architectural Engineering

Horizontal wood diaphragm systems, whether decked with conventional or mass timber panels, transfer wind and seismic loads to vertical elements of the lateral force-resisting system (LFRS), in flexible, rigid, or semi-rigid fashion. Characterizing and calculating the resulting diaphragm deflections determines the distribution of forces to critically loaded components and a significant portion of lateral building translations and rotations. Deflection equations for sheathed wood structural panel (WSP) diaphragms are well established in U.S. design standards in a 4-term expression that models flexural, shear, and fastener-slip deformations, but similar equations for cross-laminated timber (CLT) diaphragms have yet to unfold, despite growing industry …


Skills Matter – Up-Skilling Across Construction Stakeholders For Emerging Roles, Avril Behan, Paul McCormack, Barry McAuley 2023 Solas

Skills Matter – Up-Skilling Across Construction Stakeholders For Emerging Roles, Avril Behan, Paul Mccormack, Barry Mcauley

Conference Papers

The EU’s Climate Target Plan To 2030 (European Union 2020b) of achieving at least 55% reduction in Green House Gas emissions from 1990 levels, delivering towards a climate-neutral economy by 2050, requires systems-level change in the way we design, construct, and operate our built assets. Funding initiatives, such as co-ordinated by BUILD UP Skills, aim to deliver upskilling to the market but targets set by the European Skills Agenda may not be reached at current achievement levels. This paper presents the results of one completed and the progress of one ongoing Horizon 2020 funded project, BIMcert and ARISE, respectively. Learning …


Improving Energy Efficiency Of School Buildings With Solar-Assisted Cooling For The Maldives, Ahmed Fathhee 2023 University of Massachusetts Amherst

Improving Energy Efficiency Of School Buildings With Solar-Assisted Cooling For The Maldives, Ahmed Fathhee

Masters Theses

Anthropogenic activities are responsible for the impact of global climate change because of burning fossil fuels releasing harmful gases into the environment. As a result, the global temperature has risen about 1.18 °C since 1880, causing the global sea level to rise by 178 mm over the past century. This is a threat to countries that are closer to the ocean, especially the low-lying countries such as the Maldives. It is predicted if the sea level keeps rising, most of these islands could be below sea level by 2030.

The Maldives has a tropical climate requiring cooling to achieve thermal …


Behavior Of Ultrahigh-Performance Concrete Plates Encasing Steel H-Piles, Mohamed ElGawady, Binod Shrestha 2023 Missouri University of Science and Technology

Behavior Of Ultrahigh-Performance Concrete Plates Encasing Steel H-Piles, Mohamed Elgawady, Binod Shrestha

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Steel H-piles are exposed during their service life to wet-dry cycles in combination with salts, such as deicing, that may result in corrosion, leading to cross-sectional loss and reduction in axial load-carrying capacity. This paper proposes an innovative repair method for corroded steel H-piles using ultrahigh-performance concrete (UHPC) plates. The UHPC plates are reinforced with carbon fiber-reinforced polymer (CFRP) grids. The UHPC plates bridge the corroded segment so that the axial force bypasses the corroded segment. The UHPC are bolted to the steel H-pile using high-strength bolt connectors (HSBCs). Eleven steel H-piles bolted with UHPC plates were investigated experimentally under …


Ten Questions Concerning Smart And Healthy Built Environments For Older Adults, Sanjay Kumar, Samuel H. Underwood, Julie L. Masters, Natalie A. Manley, Iason Konstantzos, Josephine Lau, Ryan Haller, Lily M. Wang 2023 University of Nebraska-Lincoln

Ten Questions Concerning Smart And Healthy Built Environments For Older Adults, Sanjay Kumar, Samuel H. Underwood, Julie L. Masters, Natalie A. Manley, Iason Konstantzos, Josephine Lau, Ryan Haller, Lily M. Wang

Durham School of Architectural Engineering and Construction: Faculty Publications

In the past decade, the term ‘global aging’ has gained much attention among researchers, policymakers, civil societies, and governments worldwide. The continuous decline in fertility rates and increased life expectancy have resulted in an ongoing demographic transition where the share of adults aged 65 or older is increasing and outnumbering children younger than five years. In the United States and other developed countries, this rapid demographic transition is expected to continue to strain the existing health infrastructure as it becomes increasingly challenging to ensure healthy living environments for older adults. The ten questions and answers in this paper have been …


Utilizing Waste Latex Paint Toward Improving The Performance Of Concrete, Mohamed Leithy, Eslam Gomaa, Ahmed A. Gheni, Mohamed ElGawady 2023 Missouri University of Science and Technology

Utilizing Waste Latex Paint Toward Improving The Performance Of Concrete, Mohamed Leithy, Eslam Gomaa, Ahmed A. Gheni, Mohamed Elgawady

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

In this paper, incorporating the waste latex paint (WLP) into the conventional concrete as a partial replacement of sand to improve its durability was investigated. The fresh and hardened characterizations, in addition to the durability of concrete, were examined. The slump test was used to evaluate the fresh properties, while the hardened properties were evaluated through the volume of voids and absorption rate, in addition to the compressive, splitting tensile, and flexural strengths tests. The durability performance was evaluated by the surface resistivity, bulk electrical resistivity, as well as freeze and thaw resistance tests. The results showed a reduction in …


Framework Development For Evaluating The Impacts Of Nursing Home Acoustics On Older Adults, Brian J. Puckett 2023 University of Nebraska-Lincoln

Framework Development For Evaluating The Impacts Of Nursing Home Acoustics On Older Adults, Brian J. Puckett

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

Nursing homes are complex, multi-faceted environments which provide necessary medical supervision and housing for older adults in need of long-term care. With cognitive and sensory impairments being common adversities faced throughout the aging process, research is needed to better understand characteristics of the built environment which may contribute to difficulties for nursing home residents. Noise, in particular, has been shown to be problematic for nursing home residents in a variety of ways including disrupting sleep, associating with behavioral and psychological symptoms of dementia, and leading to increased readmission to hospitals due to verbal communication misunderstandings. As the older adult population …


Data-Driven Framework For Predicting And Scheduling Household Charging Of Evs, Ahmad Almaghrebi 2023 University of Nebraska - Lincoln

Data-Driven Framework For Predicting And Scheduling Household Charging Of Evs, Ahmad Almaghrebi

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

The increasing prevalence of EV charging poses challenges for power grid stability and quality due to high charging load demands. Without effective energy management strategies for EV charging, the simultaneous power demand from numerous EVs can strain the electric grid, impacting power quality and the wholesale electricity market. To address these challenges, this dissertation presents a comprehensive framework comprising five critical tasks: analyzing EV charging behavior, optimizing charging schedules, developing predictive models, analyzing aggregated impacts, and evaluating implications of predicted user behavior on scheduling. By examining EV charging behavior at household and public charging stations, this study aims to understand …


Machine Learning-Based Seismic Damage Assessment Of Residential Buildings Considering Multiple Earthquake And Structure Uncertainties, Xinzhe Yuan, Liujun Li, Haibin Zhang, Yanping Zhu, Genda Chen, Cihan H. Dagli 2023 Missouri University of Science and Technology

Machine Learning-Based Seismic Damage Assessment Of Residential Buildings Considering Multiple Earthquake And Structure Uncertainties, Xinzhe Yuan, Liujun Li, Haibin Zhang, Yanping Zhu, Genda Chen, Cihan H. Dagli

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Wood-frame structures are used in almost 90% of residential buildings in the United States. It is thus imperative to rapidly and accurately assess the damage of wood-frame structures in the wake of an earthquake event. This study aims to develop a machine-learning-based seismic classifier for a portfolio of 6,113 wood-frame structures near the New Madrid Seismic Zone (NMSZ) in which synthesized ground motions are adopted to characterize potential earthquakes. This seismic classifier, based on a multilayer perceptron (MLP), is compared with existing fragility curves developed for the same wood-frame buildings near the NMSZ. This comparative study indicates that the MLP …


Developing Design Guidelines Of Deployable Bamboo Scissors-Like Arch Structures: For Structural Performance, Flexibility, And Constructability, Anastasia Maurina 2023 Clemson University

Developing Design Guidelines Of Deployable Bamboo Scissors-Like Arch Structures: For Structural Performance, Flexibility, And Constructability, Anastasia Maurina

All Dissertations

Prefabrication approaches are widely used to improve vulnerable communities building quality. It would be valuable if the prefabrication relied on locally available resources instead of depending on heavy industry. Although prefabrication approaches have many advantages, such as efficiency and consistency, they may lack flexibility, which may not be adaptable to the community's needs and preferences. The modular approach generally enhances flexibility by arranging modules into various end products. Incorporating a modular approach with deployable structures, which can transform from compact to predetermined configurations, is expected to boost flexibility. In addition, regarding constructability, developing this idea using bamboo, which is massively …


Development And Characterization Of Coal-Based Thermoplastic Composite Material For Sustainable Construction, Haibin Zhang, Wenyu Liao, Genda Chen, Hongyan Ma 2023 Missouri University of Science and Technology

Development And Characterization Of Coal-Based Thermoplastic Composite Material For Sustainable Construction, Haibin Zhang, Wenyu Liao, Genda Chen, Hongyan Ma

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

The exploitation of coal and the disposal of waste plastic present significant environmental and economic challenges that require sustainable and profitable solutions. In response, we propose a renewable construction composite material of coal-based thermoplastic composite (CTC) that can be made from low-grade coal and plastic waste. We developed and tested the hot-press fabrication method for this CTC, using coal with a maximum particle size of 4.75 mm and recycled high-density polyethylene (HDPE). The effects of the coal fraction (50–80 wt.%) on compressive properties, thermal properties, microstructure, and ecological and economic efficiencies of the CTC were investigated. Test results revealed that …


The Extent Of Drone Education Being Taught In Asc Schools To 4-Year Construction Students, Cheran Teja Dumpati 2023 Clemson University

The Extent Of Drone Education Being Taught In Asc Schools To 4-Year Construction Students, Cheran Teja Dumpati

All Theses

The technology of Unmanned Aircraft Systems (UAS) is growing rapidly in many fields and has become one of the skills in demand in the industry. Universities are one of the primary sources of teaching drone technology with a career-oriented approach. The goal of this study is to investigate the content of the drone curriculum being taught in Associated Schools of Construction (ASC) schools. This includes the topics covered, practical training offered, and the key deliverables taught. This information serves as a foundation for the schools that are looking forward to start drone courses in their department. The research found that …


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