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Articles 52891 - 52920 of 1114360
Full-Text Articles in Entire DC Network
Uc Transcript 2025-04-30, Northern Illinois University
Uc Transcript 2025-04-30, Northern Illinois University
University Council Archives
No abstract provided.
New Performance Measurement Framework For Realizing Patient-Centered Clinical Decision Support: Qualitative Development Study, Edwin Lomotan, Dean F Sittig
New Performance Measurement Framework For Realizing Patient-Centered Clinical Decision Support: Qualitative Development Study, Edwin Lomotan, Dean F Sittig
Faculty, Staff and Student Publications
Background: Patient-centered clinical decision support (PC CDS) exists on a continuum that reflects the degree to which its knowledge base, data, delivery, and use focus on patient needs and experiences. A new focus on value-based, whole-person care has resulted in broader development of PC CDS technologies, yet there is limited information on how to measure their performance and effectiveness. To address these gaps, there is a need for more measurement guidance to assess PC CDS interventions.
Objective: This paper presents a new framework that incorporates patient-centered principles into traditional health IT and clinical decision support (CDS) evaluation frameworks to create …
2025-04-23 Defying Gravity With Seattle University’S Annual Drag Show, Madden Armstrong
2025-04-23 Defying Gravity With Seattle University’S Annual Drag Show, Madden Armstrong
The Spectator Online
https://s3.us-west-1.amazonaws.com/barrow.production.bepress.com/24621964_2025-06-12-1759968000/files/2025-05-23%20Defying%20Gravity%20with%20Seattle%20University%E2%80%99s%20Annual%20Drag%20Show%20%E2%80%93%20The%20Spectator.pdf?AWSAccessKeyId=AKIAYVUS7KB2IXSYB4XB&Signature=n0upyGr%2BJRUCzj9an%2BGGPKh0U78%3D&Expires=1752343201
Comparison Between Islamic Educational Philosophy And Secular Western Educational Philosophy Ahmad Tafsir Perspective, Ummu Habibah Refrinur, Amin Fauzi
Comparison Between Islamic Educational Philosophy And Secular Western Educational Philosophy Ahmad Tafsir Perspective, Ummu Habibah Refrinur, Amin Fauzi
Jurnal Pendidikan dan Pembelajaran
Education is an important aspect in shaping human character and intelligence. However, the modern education system often experiences a separation between science and moral values, which has an impact on identity crises as well as spiritual damage. Islamic philosophy of education is based on the values of revelation and reason, while secular Western philosophy of education emphasizes more on rationality in the absence of spiritual values. This study aims to compare in depth the two educational philosophies based on Ahmad Tafsir's thoughts. This research uses a qualitative method with a library research approach, which is sourced from the works of …
Cakrawala: A New Pedagogical Framework For Enhancing Literacy Through Creative Problem-Solving In Project-Based Learning
Jurnal Pendidikan dan Pembelajaran
The "Design for Project Learning" instructional innovation integrates Design Thinking principles into Project-Based Learning (PjBL), enabling students to identify problems, develop creative solutions, present prototypes, and foster 21st century skills. This study aims to design a learning framework that prioritizes projects as the primary medium for learning, guided by Design Thinking principles. The methodology is based on the Plomp educational problem-solving model, limited to the first three phases: (1) the preliminary investigation phase, which involves literature review and identifying instructional strategies; (2) the design phase, where the CAKRAWALA syntax (Causal Analysis, Knowledge Repository Approach, Workflow Analysis, and Luminous Appraisal) is …
Technical Feasibility Analysis Of Green Energy Storage Options And Hornsea Wind Farms, Muhammad Maqbool, Jahir Rizvi, Yeaw Chu Lee, Pablo Borja
Technical Feasibility Analysis Of Green Energy Storage Options And Hornsea Wind Farms, Muhammad Maqbool, Jahir Rizvi, Yeaw Chu Lee, Pablo Borja
School of Engineering, Computing and Mathematics
The global transition towards clean energy sources is becoming essential to reduce reliance on conventional fuels and mitigate carbon emissions. In the future, the clean energy storage landscape, green hydrogen, and green ammonia (powered by renewable energy sources) are emerging as key players. This study explores the prospectives and feasibility of producing and storing offshore green hydrogen and green ammonia. The potential power output of Hornsea one and Hornsea two winds farms in the United Kingdom was calculated using real wind data. The usable electricity from the Hornsea one wind farm was 5.83 TWh/year, and from the Hornsea two wind …
Distinct Socio-Ecological Drivers Shape The Diversity Of Plants, Birds, And Lepidopterans In Chicago Community Gardens, Amber Domanus, Alexis Smith, Michael Roberts, Rebecca Schnorenberg, Molly A. Doane, Emily Minor
Distinct Socio-Ecological Drivers Shape The Diversity Of Plants, Birds, And Lepidopterans In Chicago Community Gardens, Amber Domanus, Alexis Smith, Michael Roberts, Rebecca Schnorenberg, Molly A. Doane, Emily Minor
Cities and the Environment (CATE)
Community gardens are vital urban green spaces that facilitate learning, connect community members to nature and each other, and provide increased food security. They also have the potential to provide wildlife habitat and support urban biodiversity, although the extent to which they do this may vary between gardens. The goal of this study was to measure diversity of multiple taxonomic groups within urban community gardens, examine ecological differences between community gardens in the same city, and identify the socio-ecological factors that drive those differences. We used fieldwork to assess the diversity of plants, birds, bees, and lepidopterans in 24 community …
Pengembangan Modul Pembelajaran Ips Berbasis Outdoor Learning Media Peta Harta Karun Kelas Viii Smp, Evrilia Dwiyanti, Djoko Soelistijo
Pengembangan Modul Pembelajaran Ips Berbasis Outdoor Learning Media Peta Harta Karun Kelas Viii Smp, Evrilia Dwiyanti, Djoko Soelistijo
Journal of Innovation and Teacher Professionalism
Penelitian ini bertujuan untuk mengembangkan dan menghasilkan modul pembelajaran IPS berbasis outdoor learning dengan bantuan media PHK (Peta Harta Karun) pada materi perkembangan kerajaan Islam di Indonesia. Tujuan ini didasarkan pada hasil analisis yang menunjukkan bahwa siswa merasa bosan dengan pembelajaran konvensional dan beranggapan bahwa materi IPS hanya sekadar hafalan di kelas, sehingga membuat mereka jenuh dan kurang termotivasi. Dalam konteks ini, diperlukan perencanaan pembelajaran yang inovatif dalam penggunaan PHK agar dapat mencapai tujuan pembelajaran secara efektif dan sesuai dengan karakteristik siswa yang beragam. Penelitian ini menggunakan metode Research and Development (R&D) dengan model ADDIE dalam tahap awal, analisis dilakukan …
Peran Guru Dalam Meningkatkan Kreativitas Berfikir Siswa Tingkat Sekolah Dasar, Safira Ikroiyani, Lilik Bintartik, Sulistyowati Sulistyowati
Peran Guru Dalam Meningkatkan Kreativitas Berfikir Siswa Tingkat Sekolah Dasar, Safira Ikroiyani, Lilik Bintartik, Sulistyowati Sulistyowati
Journal of Innovation and Teacher Professionalism
Kreativitas merupakan salah satau hal penting yang berkaitan dalam pembelajaran siswa di dalam kelas. Namun, dalam hal tersebut terdapat kesulitan dan tantangan yang berkaitan dengan kreativitas siswa. Terutama dalam kreativitas berpikir siswa Ketika pembelajaran berlangsung. Hal tersebut dapat dilihat dengan kurangnya minat siswa untuk berpikir secara kreatif ketika guru melakukan proses kegiatan belajar dan pembelajaran di dalam kelas. Dalam studi ini memiliki tujuan dalam menganalisis peran guru untuk meningkatkan kreativitas berpikir siswa di SDN Lowokwaru 05. Penelitian ini menggunakan metode kualitatif dengan mangacu pada model analisis data dari Miles dan Huberman. Analisis data terdiri dari beberapa langkah yakni: pengumpulan data, …
Inovasi Pembelajaran Ips: Pengembangan Gimkit Pada Materi Hindu Budha Kelas Vii, Hofi Hannan Ar Rosyid, Surjani Wonorahardjo
Inovasi Pembelajaran Ips: Pengembangan Gimkit Pada Materi Hindu Budha Kelas Vii, Hofi Hannan Ar Rosyid, Surjani Wonorahardjo
Journal of Innovation and Teacher Professionalism
Industri game telah menjadi salah satu sektor yang sangat populer di abad ke-21, dengan pemanfaatan game dalam pendidikan sebagai inovasi yang signifikan. Pendekatan ini tidak hanya berfokus pada pencapaian hasil belajar, tetapi juga menekankan proses pembelajaran yang kreatif dan kolaboratif. Salah satu platform yang menonjol adalah Gimkit, sebuah game online yang memungkinkan pengguna berpartisipasi dalam satu server yang sama, menciptakan lingkungan pembelajaran interaktif dan kompetitif. Penggunaan Gimkit didukung oleh model ASSURE, yang mencakup observasi, perencanaan, hingga implementasi dan evaluasi. Penelitian terhadap Gimkit menunjukkan hasil validasi oleh ahli media dan materi dengan persentase 89 persen, yang menunjukkan bahwa platform ini layak …
Skewed Approach Flow To The Spillway Of An Embankment Dam, C. I. Thornton, J. Ellis, F. Alsultan, C. Volt, R. Ettema
Skewed Approach Flow To The Spillway Of An Embankment Dam, C. I. Thornton, J. Ellis, F. Alsultan, C. Volt, R. Ettema
5th International Seminar on Dam Protections Against Overtopping
A contemporary activity in dam engineering is the raising of embankments to increase reservoir storage or flood level in a channel. For embankment dams, the raised position of the spillway must be located on a native soil/rock shoulder of the dam, to avoid geotechnical problems associated with possible embankment settlement. Consequently, for many sites, the approach flow entering a spillway likely will not be acceptably uniform, as the approach flow becomes increasingly skewed to reach the spillway’s entrance with the raised embankment. This concern raises the question of where to position the spillway’s ogee crest within the spillway entrance and …
Design Of A Wave Overtopping Simulator With Variability In Simulated Flows, N. Van Der Vegt, B. Hofland, J. J. Warmink, V. M. Van Bergeijk, S. J. M. H. Hulscher
Design Of A Wave Overtopping Simulator With Variability In Simulated Flows, N. Van Der Vegt, B. Hofland, J. J. Warmink, V. M. Van Bergeijk, S. J. M. H. Hulscher
5th International Seminar on Dam Protections Against Overtopping
A new experimental setup for conducting large- to full-scale wave overtopping experiments will be constructed at Delft University of Technology. This setup consists of an indoor Wave Overtopping Simulator (iWOS), a landward dike slope, and a transition to the toe. The iWOS, with a height of 3.25 meters, can release volumes of up to 2.67 m³/m of water. A key innovation is its controllable release valve, allowing variability in flow characteristics for the same overtopping volume.
The iWOS is designed based on established relationships between overtopping volume and flow characteristics at the landward crest of a dike. Computational Fluid Dynamics …
Power-Beaming: Wireless Energy Transfer Using Lasers, Spencer L. Barnett
Power-Beaming: Wireless Energy Transfer Using Lasers, Spencer L. Barnett
ATU Scholars Symposium
The objective of the project is to implement a wireless energy transfer system utilizing laser technology. This system involves modulating the laser’s beam profile and spatial distribution through precise optical manipulation. The energy transmitted by the laser is captured by a photovoltaic array, commonly referred to as a solar panel, which is engineered to convert incident photons into direct current (DC) electrical power. The current challenge is to develop a reliable wireless energy transfer mechanism capable of operating over extended distances, thereby overcoming the constraints imposed by wired connections, particularly in environments where wiring is impractical, such as in space. …
Design Of A Teleoperabletendon-Driven Robotic Hand, Zachary Giese, Joseph Gober, Samuel Grisham, Avery Mahan, Aspen White, Brayden May, Aspen White
Design Of A Teleoperabletendon-Driven Robotic Hand, Zachary Giese, Joseph Gober, Samuel Grisham, Avery Mahan, Aspen White, Brayden May, Aspen White
ATU Scholars Symposium
This work presents the design, implementation, and validation of a 3D-printed tendon-driven robotic hand with a bi-directional wireless control system. The robotic hand emulates human anatomical principles, focusing on replicating flexion and extension mechanisms of the metacarpophalangeal (MCP), proximal interphalangeal (PIP), and distal interphalangeal (DIP) joints via a tendon-pulley system. Iterative prototyping resolved initial challenges in joint stiffness, tendon routing, and servo interference, culminating in a design where a single servo drives both flexion and extension for each joint using a bidirectional tendon control mechanism. A reliable bidirectional wireless communication framework, using Arduino Nano Every microcontrollers and NRF24L01 modules, enables …
Method For Low-Cost In Situ Measurement Of Dissolved Total Volatile Organic Compound Concentrations In Surface Waters, Teagan A. Jones
Method For Low-Cost In Situ Measurement Of Dissolved Total Volatile Organic Compound Concentrations In Surface Waters, Teagan A. Jones
ATU Scholars Symposium
Increases in volatile organic compounds (VOC) in developing areas poses risks to aquatic health. Water quality changes in surface waters, if measured, are often only for field parameters of pH, specific conductance, water temperature, and major ions, e.g. Ca2+, Mg2+, Na, Cl. Elevated VOC concentrations can negatively impact aquatic ecosystems even at low concentrations, but do not cause changes in commonly measured parameters and may go undetected based on monitoring these common parameters. Traditional sampling and benchtop analysis for VOC can be both time and cost prohibitive. Here we demonstrate the use of a low-cost in situ dissolved total VOC …
Enhancing Understanding Of Breach Processes Using Computational Fluid Dynamics And Laboratory Tests, K. V. Chua, M. Hassan, C. Goff, M. Morris, H. Haddad
Enhancing Understanding Of Breach Processes Using Computational Fluid Dynamics And Laboratory Tests, K. V. Chua, M. Hassan, C. Goff, M. Morris, H. Haddad
5th International Seminar on Dam Protections Against Overtopping
Accurate prediction of dam breach processes is crucial for risk assessment and emergency response planning. Computational Fluid Dynamics (CFD) offers a powerful tool for simulating such complex phenomena. However, the reliability of CFD models hinges on their validation against experimental data. This paper compares numerical simulations by the open-source code, OpenFOAM, to laboratory flume experiments to assess the accuracy of its predictions of dam breach overtopping processes.OpenFOAM is first being used to model the flow characteristics of two key stages of a dam breach experiment that took place in a physical laboratory setup. The two stages are the surface erosion …
Conclusions From The Performance Assessment Of Industry Applicable Internal Erosion Initiated Breach Prediction Models, Mark W. Morris, Jean-Robert Courivaud
Conclusions From The Performance Assessment Of Industry Applicable Internal Erosion Initiated Breach Prediction Models, Mark W. Morris, Jean-Robert Courivaud
5th International Seminar on Dam Protections Against Overtopping
The EDF funded Performance Assessment of Industry Applicable IE Initiated Breach Prediction Models project was initiated with a workshop at HERU in Stillwater in October 2019. In the following 4 years a team of modelers comprising both model developers and industry model users analyzed the performance of 6 different breach modelling codes against a range of different data sets, including hypothetical, field and real dam failure case studies. Each of the data sets reflected a dam or levee failure initiated by internal erosion, and which subsequently developed into an open breach. Modelers were required to simulate breach formation from the …
Enabling Localized Execution Of Smart Contracts Via Distributed Event Beacons, Rakesh Vasa, Sky P. Waterpeace, Nick Ivanov
Enabling Localized Execution Of Smart Contracts Via Distributed Event Beacons, Rakesh Vasa, Sky P. Waterpeace, Nick Ivanov
STEM Student Research Symposium Posters
Modern smart contracts save their state transitions on a distributed ledger, such as blockchain [3, 4] or a particularly configured cloud [1]. These approaches necessitate storage and synchronization of large amounts of distributed data, leading to scalability deficiencies in decentralized permissionless smart contract platforms. In this poster, we introduce a novel concept of local execution of smart contracts which only required synchronizing the transaction data between the members of the private channel, without the need to storing state transitions on the distributed storage. To achieve this, we design a distributed storage-free decentralized beacon network that allows to perform provenance signatures …
Generating More Equitable Fair Use, Jacqueline Kessel
Generating More Equitable Fair Use, Jacqueline Kessel
Pepperdine Law Review
From advancing healthcare and education to threatening democratic systems, generative artificial intelligence (AI) has demonstrated a capacity to positively and negatively impact society. And these benefits and consequences are not shared equitably. Copyright law, however, stands as a powerful mechanism in monitoring AI system development. Several complaints have charged generative AI system developers with copyright infringement, alleging that (1) ingesting copyrighted works as training data infringes the copyright owner’s exclusive right to reproduce works in copies and (2) generating AI outputs infringes the exclusive right to prepare derivative works because the outputs are based upon the works on which the …
What Copyright Can't Do, Blake E. Reid
What Copyright Can't Do, Blake E. Reid
Pepperdine Law Review
Copyright has become a powerful regulatory regime for modern American life. Copyrighted works, including text, images, video, sounds, music, and software, coupled with routine, frictionless copying, form a large part of the information, cultural and social context, and infrastructure of our increasingly digital society. Copyright law’s powerful remedies are now positioned to intervene in a wide range of everyday activities. As a result, scholars, policymakers, and advocates have increasingly called for modifying and applying U.S. copyright law to solve a wide range of public policy problems, from vindicating disability rights to protecting privacy to promoting competition among wireless carriers. But …
Geochronology Of Pfas In Jamaica Bay Sediment Cores, Grace Capili Lira
Geochronology Of Pfas In Jamaica Bay Sediment Cores, Grace Capili Lira
Undergraduate Research and Engagement Symposium
Sediment is a key component of aquatic ecosystems, as they provide habitats and nutrients for benthic plants and animals. This research is investigating the PFAS content in sediment cores from Jamaica Bay, New York. Using an approach of geochronology, the goal of this research is to produce a timeline displaying the concentration distribution of PFAS. This will allow the analysis of the efficacy of phasing out PFAS, as they are persistent chemicals that are extremely harmful to human and ecological health. We found that PFCA and PFSA concentrations are not decreasing, indicating there is continued environmental input.
Sustainable Concrete Solutions For Green Infrastructure Development: A Review, Abdur Rahman Siddiqui, Rizwan Khan, Md Nazeem Akhtar
Sustainable Concrete Solutions For Green Infrastructure Development: A Review, Abdur Rahman Siddiqui, Rizwan Khan, Md Nazeem Akhtar
Journal of Sustainable Construction Materials and Technologies
This review paper explores the utilization of sustainable concrete materials in the development of green infrastructure. The primary objective is to investigate various concrete solutions that enhance environmental performance while maintaining structural integrity. The study inte- grates concrete with green infrastructure elements such as permeable concrete, green roofs, vegetated systems, bioswales, and vegetated channels. These elements are essential for man- aging stormwater, reducing urban heat islands, and promoting biodiversity in urban areas. The paper also examines optimized concrete mixtures designed to improve durability and reduce carbon emissions by incorporating alternative materials like recycled aggregates and supplementary cementitious materials. Additionally, innovative …
Analyzing The Knowledge And Attitudes Of Architects In Türkiye On Circular Economy In The Built Environment, Ömer Şükrü Deniz, Zeynep Melis Oğuz
Analyzing The Knowledge And Attitudes Of Architects In Türkiye On Circular Economy In The Built Environment, Ömer Şükrü Deniz, Zeynep Melis Oğuz
Journal of Sustainable Construction Materials and Technologies
The circular economy (CE) model offers solutions to prevent environmental and ecological degradation, aiming for sustainability. This study aims to analyze CE awareness among ar- chitects in Türkiye. A descriptive research approach was conducted using a structured survey to determine architects' awareness of CE principles and strategies in the built environment. Based on the survey data, explanatory research was undertaken to explore the relationships between variables, test the proposed hypotheses, and provide more precise insights. The study found that architects in Türkiye have a low level of knowledge about CE but demonstrate a high level of positive attitude towards CE. …
Evaluating The Use Of Eggshell Powder And Sawdust Ash As Cement Replacements In Sustainable Concrete Development, Farhan Fahad, Kaysarul Islam Bhuiyan, Faysal Montasir, Pritom Dey, Arif Arman Akash, Ajoy Kumer
Evaluating The Use Of Eggshell Powder And Sawdust Ash As Cement Replacements In Sustainable Concrete Development, Farhan Fahad, Kaysarul Islam Bhuiyan, Faysal Montasir, Pritom Dey, Arif Arman Akash, Ajoy Kumer
Journal of Sustainable Construction Materials and Technologies
Concrete, the most widely utilized material in construction worldwide, contributes significantly to the consumption of natural resources and energy. The construction sector is a major source of waste and greenhouse gas (GHG) emissions, making it essential to improve the environmental impact of concrete to address climate change and pollution concerns. Evaluating the environmental footprint of concrete is crucial for advancing sustainable building practices. Cement, a key binder in concrete, is particularly responsible for GHG emissions due to its energy-intensive production process. This study applies the Life Cycle Assessment (LCA) methodology, using SimaPro software and the Ecoinvent database, to assess the …
Nature-Based Solutions For Sustainable Cities: A Review Of The State Of The Art Of Green Roof Research, Agustina Gutierrez, Vanesa Y. Bohn, Pablo Marinangeli
Nature-Based Solutions For Sustainable Cities: A Review Of The State Of The Art Of Green Roof Research, Agustina Gutierrez, Vanesa Y. Bohn, Pablo Marinangeli
Journal of Sustainable Construction Materials and Technologies
The study of green roofs is an interdisciplinary field recognized for its eco-friendly roofing solutions. Green roofs offer ecological, economic, and societal benefits, making them an ef- fective way to address urbanization's negative impacts. This review explores the evolution of green roofs from ancient prototypes to modern innovations. Using the Google Scholar da- tabase, we conducted a bibliometric analysis of 50 articles to assess publication rates in the "green roof " area. Descriptive statistics were used to identify key contributors, ecosystem ser- vices, research methodologies, and spatial scales in green roof studies. Our analysis showed a rise in research on …
Palm Fruit Bunch Fiber Impact On Compressive Strength Of Cement Mortar With Different Fine Aggregate Types, Kenneth A. Tutu, Akua Boadiwaa Yeboah, Michael Owusu Ampofo, Tungteiyah Suad Mohammed, Abdul-Samed Aziz, Nasara Hafiz Arif, Chenti Sa-Ad Alhassan
Palm Fruit Bunch Fiber Impact On Compressive Strength Of Cement Mortar With Different Fine Aggregate Types, Kenneth A. Tutu, Akua Boadiwaa Yeboah, Michael Owusu Ampofo, Tungteiyah Suad Mohammed, Abdul-Samed Aziz, Nasara Hafiz Arif, Chenti Sa-Ad Alhassan
Journal of Sustainable Construction Materials and Technologies
Depletion of high-quality natural sand deposits and sustainability concerns are popularizing manufactured sand use in cementitious composites. Meanwhile, palm fruit bunch fiber (PFBF) improves the properties of cementitious composites, but it is unclear how PFBF interacts with different fine aggregates to affect mortar strength. This study investigated the impact of PFBF on the compressive strength of cement mortars containing manufactured sand (granite quar- ry dust) and natural sands (river and pit). The aggregates were used with Portland cement to fabricate mortar cubes, which were tested after 28 days. The control mortars (0% PFBF) of quarry dust, river sand, and pit …
Environmental Risks And The Impact Of Rehabilitation On The Sustainability Of Affected Buildings In Urban Communities, Ammar Tawashi, Soleman Alamoudi, Madiha Akkash
Environmental Risks And The Impact Of Rehabilitation On The Sustainability Of Affected Buildings In Urban Communities, Ammar Tawashi, Soleman Alamoudi, Madiha Akkash
Journal of Sustainable Construction Materials and Technologies
This work explores how the rehabilitation sector can significantly minimize environmental risk by restoring, maintaining, strengthening, and installing practices in rehabilitation or new construction projects. The rehabilitation of affected buildings is considered an effective strat- egy to reduce the impact of pollution on the construction industry and rebuild the resilience of urban communities by preserving the structures and improving their performance capacity. Encouraging the reuse of more efficient materials and modern technologies and applying sus- tainability principles (Green, Local, and Digital). The results of the sample of 45 buildings sur- veyed and rehabilitated in the field show that around 80% …
Investigation Of Coconut Shell Biochar As An Eco-Friendly Additive To Mitigate The Alkali-Silica Reaction In Recycled Aggregate Concrete, Kokıla Arandara, G. N. Paranavithana, S. T. Priyadarshana, H Pitawala, R Dissanayake
Investigation Of Coconut Shell Biochar As An Eco-Friendly Additive To Mitigate The Alkali-Silica Reaction In Recycled Aggregate Concrete, Kokıla Arandara, G. N. Paranavithana, S. T. Priyadarshana, H Pitawala, R Dissanayake
Journal of Sustainable Construction Materials and Technologies
Alkali-Silica Reaction (ASR) in Recycled Aggregate Concrete (RAC) is one of the main chal- lenges in using demolished concrete in construction. Several methods are available to mitigate the impact of ASR, and they have less circular economic potential. This study aims - to investi- gate the possibility of coconut shell biochar (CSB) as an eco-friendly additive to mitigate ASR in RAC. In this investigation, the authors have conducted cement mortar bar test experiments according to the American Society for Testing and Materials (ASTM 1260) standard, Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy (SEM-EDS). Studies have found a higher rate …
Informative Integration Of Modern Spolia In Public Landscapes, Deniz Üçer Erduran
Informative Integration Of Modern Spolia In Public Landscapes, Deniz Üçer Erduran
Journal of Sustainable Construction Materials and Technologies
Spolia refers to repurposing components from older buildings into new constructions, a concept with a rich history. Traditionally, unique components were the primary focus; however, this ap- proach remains relevant today for mass-produced components. By diverting materials from waste streams, spolia preserves their inherent properties and facilitates the rapid transfer of stylistic fea- tures in the modern world. When a 1970s movie theatre in Moscow, Russia, was demolished in 2019, a substantial amount of steel was recycled, while brick and concrete were sent to landfills. This study investigates potential spolia options as an alternative to demolition. The research involved documenting …
Flexural Behavior Of Sustainable High-Strength Rc Beams With Ggbs And Iron Filings Incorporation, Sawsan Akram Hassan, Saif Altai
Flexural Behavior Of Sustainable High-Strength Rc Beams With Ggbs And Iron Filings Incorporation, Sawsan Akram Hassan, Saif Altai
Journal of Sustainable Construction Materials and Technologies
This experimental study investigates the behavior of sustainable high-strength reinforced concrete (HSRC) beams when cement is partially replaced with ground granulated blast furnace slag (GGBS) and sand with iron filings (IF). Eight rectangular HSRC beams were experienced to four-point loading to examine the effects of these substitutions. The cement was replaced with GGBS at three percentages (10%, 30%, and 50%), with and without a 10% substitution of sand by IF. The results showed that substituting 30% GGBS caused a minor reduction in beam strength, while higher GGBS percentages (above 30%) led to a more significant decrease. However, adding 10% IF …