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Articles 188791 - 188820 of 193003
Full-Text Articles in Entire DC Network
Back To The Future: Outer Space Policy Review Of The Past For Clues To The Future, Paul B. Larsen
Back To The Future: Outer Space Policy Review Of The Past For Clues To The Future, Paul B. Larsen
Journal of Air Law and Commerce
Sixty years later, Professor Paul B. Larsen revisits and discusses seven outer space legal issues identified by early space law experts and their current impacts on space policy. The first section addresses the ambiguous boundary of the non-sovereign outer space legal regime which, increasingly causes states to claim control of non-sovereign outer space. Second, Larsen analyzes how the lack of outer space regulation by an international agency like the International Civil Aviation Organization has encouraged states to seek to control outer space unilaterally. Third, although the original aim of space law experts was for outer space to be free for …
Addressing Space Tourism’S Environmental Effects: Marine Environment Regulations As A Basis For Regulating Orbital Space Debris, Elena Mak
Journal of Air Law and Commerce
With the success of private suborbital space flight, the space industry is now facing unprecedented growth as billionaires strive to accomplish the task of sending astrotourists into space. However, given the novelty of this objective, the current domestic and international legal regimes governing outer space and space travel are both confusing and outdated, and thus, they have not adequately accounted for space tourism activities. Given the projected growth of this industry, detrimental and dangerous environmental effects—such as an increase in orbital space debris—have become a pressing concern. These effects will not only affect the global climate on Earth but will …
Sorry For The Delay: How Faa Regulations In The U.S. Are Stifling Innovation And Hindering The Growth Of A Promising New Industry Based On Delivery Drones, Mason Sarver
Journal of Air Law and Commerce
From the creation of the transistor radio to robots powered by artificial intelligence, the rapid pace of technological advancements in a multitude of industries has ushered in an innumerable amount of economic, environmental, and social benefits that have collectively produced positive effects around the world. However, in addition to benefits, these rapid advancements in technology have created a particular problem affecting many industries in the United States—antiquated regulations that were promulgated for a particular industry become inefficient and impractical due to rapid technological advancements within that industry. The delivery drone industry, a blossoming new sector of air commerce that has …
Curiousity Killed The (Fat) Cat: Promoting Safety Over Profit In The Space Tourism Industry, Ryan Puente
Curiousity Killed The (Fat) Cat: Promoting Safety Over Profit In The Space Tourism Industry, Ryan Puente
Journal of Air Law and Commerce
Humans have never been more capable than they are now of dominating the extreme environments of the universe. This newfound capacity to enter the depths of the oceans and exit the familiar grasp of the atmosphere has led to an unprecedented ability to explore the corners of the universe. This ability brings excitement and opportunity but also presents many potentially fatal risks associated with the unknowns of the extreme environments being explored. The space tourism industry, like other extreme tourism industries, faces the challenge of navigating the forefront of human exploration in a sustainable way that preserves the lives and …
Proposed Methodologies To Cure The No-Fly List’S Current Violations Of The Due Process Clause For Affected U.S. Citizens, Sierra Stone
Proposed Methodologies To Cure The No-Fly List’S Current Violations Of The Due Process Clause For Affected U.S. Citizens, Sierra Stone
Journal of Air Law and Commerce
Often, the No-Fly List is a helpful tool that increases the safety of commercial aviation for U.S. citizens flying domestically and internationally. The TSA and various intergovernmental agencies utilize a nomination process and those who meet the requisite criteria are added to a database and can be entered into the No-Fly List. Once being placed on the “List,” an individual is no longer allowed to board a flight flying anywhere within or over U.S. airspace. However, for a small number of people, this deprivation of the ability to fly came unjustifiably and without realistic opportunities to be removed from the …
It Comes With Baggage: The Heavy Weight Implications Of Weighing Airline Passengers, Brooke Sutter
It Comes With Baggage: The Heavy Weight Implications Of Weighing Airline Passengers, Brooke Sutter
Journal of Air Law and Commerce
The aviation industry is one of the most regulated industries that exists in modern society. Before an airplane can take a passenger from one destination to another, diligent and thorough checks are performed on the aircraft, the runway, the pilots, the crewmembers, the luggage, the route, and the numerous other points of potential risk. Due in part to this diligence, air travel is also one of the safest forms of travel. However, one point of potential risk that is underregulated and overlooked in the safety calculation is the weight of the passengers. The act of weighing passengers is not just …
Green Colonialism: Sidelined While On The Front Lines, M. Alexander Pearl
Green Colonialism: Sidelined While On The Front Lines, M. Alexander Pearl
Faculty Articles
No abstract provided.
The Consequences Of Mythology: Supreme Court Decisionmaking In Indian Country, M. Alexander Pearl
The Consequences Of Mythology: Supreme Court Decisionmaking In Indian Country, M. Alexander Pearl
Faculty Articles
Ilanoli isht unowa. We tell our own stories. A single historical event has many stories. Although this nation's official chronicle expected and even hoped for Indigenous peoples to fade away, we are still here. Our histories are marked by resistance, survival, sovereignty, and renaissance. Only now, in the later stages of the American experiment, do our histories have the chance to matter in new forms and spaces. How much these stories matter within contemporary contexts depends upon where they are spoken and more importantly, who is listening. On the pages of a U.S. Supreme Court opinion, what stories are told …
Growing Tensions: Consumer Privacy And Corporate Disclosures, Megan Wischmeier Shaner
Growing Tensions: Consumer Privacy And Corporate Disclosures, Megan Wischmeier Shaner
Faculty Articles
Data privacy and data security have become key issues for legislators, regulators, and individual citizens. Roughly two-thirds of Americans believe their data is being regularly tracked, monitored, and collected by companies and the government. A majority of U.S. adults also believe their data is less secure today than five years ago, expressing concerns that they have little control over how their personal information is being used and that the entities who control their data are not responsible stewards. In the absence of comprehensive federal regulation, a continuous stream of privacy statutes have been proposed at the state level. Beginning with …
Song Analysis - Final Project For The American Musical Experience, Agustina Checa
Song Analysis - Final Project For The American Musical Experience, Agustina Checa
Open Educational Resources
Assignment designed as a final project for the undergraduate course MSH245: The American Musical Experience at Lehman College. This course surveys different musical expressions that emerged in the United States as well as the historical, social and technological contexts framing their popularization.This assignment asks students to analyze a song of their choosing performed by an American artist and to follow specific requirements in their study of this piece which include: historical and social contextualization, analysis of style, influences and lyrics, as well as the elaboration of a "listening guide" to fully appreciate the composition. Students are given the …
The Potential For Conflicts Between Ccs Projects And Mineral Extraction, Joseph Schremmer
The Potential For Conflicts Between Ccs Projects And Mineral Extraction, Joseph Schremmer
Faculty Articles
This article classifies the types of conflicts likely to occur between carbon dioxide sequestration and mineral extraction operations occurring simultaneously on the same tract of land. It then sets up framework for thinking through the legal disputes that may result. These are modest goals, and the central problem—concurrent carbon dioxide sequestration and mineral development—is more complex than can be fully analyzed here. I expect that much more work will need to be done on other important questions, hopefully building on this framework. Three further questions worthy of attention are (i) how these principles guide resolutions of specific kinds of disputes, …
Inventory Management System For Medical Stores In A Primary Health Care Centre In Jada, Adamawa State, Nigeria, Daniel Dzarma Ezra, G Delga, N Nyor, K. T Dagba, M. A Samuel
Inventory Management System For Medical Stores In A Primary Health Care Centre In Jada, Adamawa State, Nigeria, Daniel Dzarma Ezra, G Delga, N Nyor, K. T Dagba, M. A Samuel
All Rsif Scholars' Publications
Efficient inventory management is crucial for the success of any organization or establishment. Hence, the objective of this paper was to focus on the inventory management system by developing an optimal inventory policy for Medical Stores in a Primary Health Care Centre in Jada, Adamawa State, Nigeria using a multiitem inventory model with the assistance of Excel spreadsheets. Results obtain revealed that the Economic Order Quantity (EOQ) for the Primary Health Care centre under investigation is optimal at 0.0086. This EOQ aligns with the storage capacity of 10,287 square meters, which closely meets the original storage capacity requirement of 10,288 …
Enhancing Identification Of Meteorological And Biological Targets Using The Depolarization Ratio For Weather Radar: A Case Study Of Faw Outbreak In Rwanda, Fidele Maniraguha, Anthony Vodacek, Kwang Soo Kim, Emmanuel Ndashimye, Gerard Rushingabigwi
Enhancing Identification Of Meteorological And Biological Targets Using The Depolarization Ratio For Weather Radar: A Case Study Of Faw Outbreak In Rwanda, Fidele Maniraguha, Anthony Vodacek, Kwang Soo Kim, Emmanuel Ndashimye, Gerard Rushingabigwi
All Rsif Scholars' Publications
Leveraging weather radar technology for environmental monitoring, particularly the detection of biometeors like birds, bats, and insects, presents a significant challenge due to the dynamic nature of their behavior. Unlike hydrometeor targets, biometeor targets exhibit arbitrary changes in direction and position, which significantly alter radar wave polarization upon scattering. This study addresses this challenge by introducing a novel methodology utilizing Rwanda’s C-Band Polarization Radar. Our approach exploits the capabilities of dual-polarization radar by analyzing parameters such as differential reflectivity (ZDR) and correlation coefficient (RHOHV) to derive the Depolarization Ratio (DR). While existing radar metrics offer valuable insights, they have limitations …
Hybridization Of Learning Techniques And Quantum Mechanism For Iiot Security: Applications, Challenges, And Prospects, Ismaeel Abiodun Sikiru, Ahmed Dooguy Kora, Eugène C. Ezin, Agbotiname Lucky Imoize, Chun-Ta Li
Hybridization Of Learning Techniques And Quantum Mechanism For Iiot Security: Applications, Challenges, And Prospects, Ismaeel Abiodun Sikiru, Ahmed Dooguy Kora, Eugène C. Ezin, Agbotiname Lucky Imoize, Chun-Ta Li
All Rsif Scholars' Publications
his article describes our point of view regarding the security capabilities of classical learning algorithms (CLAs) and quantum mechanisms (QM) in the industrial Internet of Things (IIoT) ecosystem. The heterogeneity of the IIoT ecosystem and the inevitability of the security paradigm necessitate a systematic review of the contributions of the research community toward IIoT security (IIoTsec). Thus, we obtained relevant contributions from five digital repositories between the period of 2015 and 2024 inclusively, in line with the established systematic literature review procedure. In the main part, we analyze a variety of security loopholes in the IIoT and categorize them into …
Enhanced Neonatal Screening For Sickle Cell Disease: Human-Guided Deep Learning With Cnn On Isoelectric Focusing Images, Kpangni Alex Jérémie Koua, Cheikh Talibouya Diop, Lamine Diop, Mamadou Diop
Enhanced Neonatal Screening For Sickle Cell Disease: Human-Guided Deep Learning With Cnn On Isoelectric Focusing Images, Kpangni Alex Jérémie Koua, Cheikh Talibouya Diop, Lamine Diop, Mamadou Diop
All Rsif Scholars' Publications
Accurate detection of abnormal hemoglobin variations is paramount for early diagnosis of sickle cell disease (SCD) in newborns. Traditional methods using isoelectric focusing (IEF) with agarose gels are technician-dependent and face limitations like inconsistent image quality and interpretation challenges. This study proposes a groundbreaking solution using deep learning (DL) and artificial intelligence (AI) while ensuring human guidance throughout the process. The system analyzes IEF gel images with convolutional neural networks (CNNs), achieving over 98% accuracy in identifying various SCD profiles, far surpassing the limitations of traditional methods. Furthermore, the system addresses ambiguities by incorporating an “Unconfirmed” category for unclear cases …
Using Wavelet Transform And Hybrid Cnn – Lstm Models On Voc & Ultrasound Iot Sensor Data For Non-Visual Maize Disease Detection, Theofrida Maginga, Emmanuel Masabo, Pierre Bakunzibake, Kwang-Soo Kim, Jimmy Nsenga
Using Wavelet Transform And Hybrid Cnn – Lstm Models On Voc & Ultrasound Iot Sensor Data For Non-Visual Maize Disease Detection, Theofrida Maginga, Emmanuel Masabo, Pierre Bakunzibake, Kwang-Soo Kim, Jimmy Nsenga
All Rsif Scholars' Publications
Early detection of plant diseases is crucial for safeguarding crop yield, especially in regions vulnerable to food insecurity, such as Sub-Saharan Africa. One of the significant contributors to maize crop yield loss is the Northern Leaf Blight (NLB), which traditionally takes 14–21 days to visually manifest on maize. This study introduces a novel approach for detecting NLB as early as 4–5 days using Internet of Things (IoT) sensors, which can identify the disease before any visual symptoms appear. Utilizing Convolutional Neural Networks (CNN) and Long Short Term Memory (LSTM) models, nonvisual measurements of Total Volatile Organic Compounds (VOCs) and ultrasound …
An Android-Based Internet Of Medical Things Adaptive User Authentication And Authorization Model For The Elderly, Prudence Munyaradzi Mavhemwa, Marco Zennaro, Philibert Nsengiyumva, Frederic Nzanywayingoma
An Android-Based Internet Of Medical Things Adaptive User Authentication And Authorization Model For The Elderly, Prudence Munyaradzi Mavhemwa, Marco Zennaro, Philibert Nsengiyumva, Frederic Nzanywayingoma
All Rsif Scholars' Publications
Globally, 77% of the elderly aged 65 and above suffer from multiple chronic ailments, according to recent research. However, several barriers within the healthcare system in the developing world hinder the adoption of home-based patient management, hence the need for the IoMT, whose application raises security concerns, particularly in authentication. Several authentication techniques have been proposed; however, they lack a balance of security and usability. This paper proposes a Naive Bayes based adaptive user authentication app that calculates the risk associated with a login attempt on an Android device for elderly users, using their health conditions, risk score, and available …
Advances In Silicon–Carbon Composites Anodes Derived From Agro Wastes For Applications In Lithium-Ion Battery: A Review, Victoria Adetomilola Fafure, Daniel Barasa Bem, Stanley Wambugu Kahuthu, Michael Oluwatosin Bodunrin, Abosede Adefunke Fabuyide, Christianah Ajanaku
Advances In Silicon–Carbon Composites Anodes Derived From Agro Wastes For Applications In Lithium-Ion Battery: A Review, Victoria Adetomilola Fafure, Daniel Barasa Bem, Stanley Wambugu Kahuthu, Michael Oluwatosin Bodunrin, Abosede Adefunke Fabuyide, Christianah Ajanaku
All Rsif Scholars' Publications
Recently, the growing demand for high-performing batteries and different environmental challenges (such include global warming and climate change) have increased the requirement and demand for Lithium-ion batteries (LIBs) used in advanced technologies (i.e., electric cars and many others). To meet this increasing demand, there is an urgent need for more advanced technologies and materials. In the pursuit of developing anode materials, silicon has emerged as the utmost favourable choice for the next generation of LIBs, aiming to substitute the commonly used graphite. Carbon is commonly used to render silicon (Si) suitable for use since Si cannot be used directly as …
Control Systems In Renewable Energy: A Review Of Applications In Canada, Usa, And Africa. World Journal Of Advanced Engineering Technology And Sciences, Onyinyechukwu Chidolue, Cosmas Dominic Daudu, Valentine Ikenna Illojianya, Victoria Adetomilola Fafure, Kenneth Ifeanyi Ibekwe, Bright Ngozichukwu
Control Systems In Renewable Energy: A Review Of Applications In Canada, Usa, And Africa. World Journal Of Advanced Engineering Technology And Sciences, Onyinyechukwu Chidolue, Cosmas Dominic Daudu, Valentine Ikenna Illojianya, Victoria Adetomilola Fafure, Kenneth Ifeanyi Ibekwe, Bright Ngozichukwu
All Rsif Scholars' Publications
This research explores the applications of control systems in renewable energy across Canada, the United States, and Africa. It underscores their pivotal role in optimizing efficiency and reliability by examining supervisory, predictive, and adaptive control strategies. The literature review delves into global and regional renewable energy landscapes, emphasizing unique challenges and opportunities. Technological innovations, including advanced monitoring, artificial intelligence, and blockchain, are investigated, highlighting their transformative impact. The paper anticipates prospects such as quantum computing, decentralized systems, and heightened cybersecurity measures. The findings contribute to understanding the nuanced interplay between control systems and renewable energy, offering insights for policymakers, researchers, …
Advancements In Energy Storage Technologies: A Review Across Canada, Usa, And Africa, Bright Ngozichukwu, Kenneth Ifeanyi Ibekwe, Victoria Adetomilola Fafure, Cosmas Dominic Daudu, Valentine Ikenna Illojianya
Advancements In Energy Storage Technologies: A Review Across Canada, Usa, And Africa, Bright Ngozichukwu, Kenneth Ifeanyi Ibekwe, Victoria Adetomilola Fafure, Cosmas Dominic Daudu, Valentine Ikenna Illojianya
All Rsif Scholars' Publications
This research explores recent advancements in energy storage technologies across Canada, the United States, and Africa, assessing their economic and environmental impacts. In Canada, the focus is on optimizing renewable integration and grid resilience. The United States witnesses growth in utility-scale projects, influencing grid reliability and fostering economic development. In Africa, off-grid and decentralized solutions address energy access challenges. The financial implications include job creation, industry growth, and cost savings, while environmental benefits range from reduced emissions to improved air quality. Future trends highlight technological advancements, integration with electric vehicles, and regulatory support. Collaborative efforts are essential for navigating these …
Integration Of Renewable Energy In Industrial Operations: Experiences From Canada, Usa, And Africa, Onyinyechukwu Chidolue, Adetomilola Victoria Fafure, Valentine Ikenna I Illojianya, Bright Ngozichukwu, Cosmas Dominic Daudu, Kenneth Ifeanyi Ibekwe
Integration Of Renewable Energy In Industrial Operations: Experiences From Canada, Usa, And Africa, Onyinyechukwu Chidolue, Adetomilola Victoria Fafure, Valentine Ikenna I Illojianya, Bright Ngozichukwu, Cosmas Dominic Daudu, Kenneth Ifeanyi Ibekwe
All Rsif Scholars' Publications
This research paper explores integrating renewable energy into industrial operations, drawing insights from experiences in Canada, the United States, and various African nations. Against a global imperative to transition towards sustainable energy sources, the study delves into this transformative process's economic, environmental, and technological dimensions. The economic implications encompass a detailed analysis of upfront capital costs, return on investment, and broader considerations such as job creation and market competitiveness. Environmental impacts, including reducing greenhouse gas emissions and improving air and water quality, underscore the transformative potential of renewable energy integration. The technological landscape, marked by innovations in renewable energy technologies …
Green Data Centers: Sustainable Practices For Energy-Efficient It Infrastructure, Onyinyechukwu Chidolue, Peter Efosa Ohenhen, Aniekan Akpan Umoh, Bright Ngozichukwu, Victoria Adetomilola Fafure, Kenneth Ifeanyi Ibekwe
Green Data Centers: Sustainable Practices For Energy-Efficient It Infrastructure, Onyinyechukwu Chidolue, Peter Efosa Ohenhen, Aniekan Akpan Umoh, Bright Ngozichukwu, Victoria Adetomilola Fafure, Kenneth Ifeanyi Ibekwe
All Rsif Scholars' Publications
The digital age has led to a surge in connectivity, innovation, and information exchange, but it has also led to escalating energy consumption by data centers. Green data centers have emerged as a transformative solution, embodying a commitment to sustainability through eco-friendly practices and cutting-edge technologies. Key principles of green data centers include energyefficient hardware, renewable energy integration, advanced cooling systems, and resource optimization strategies. Energy-efficient hardware involves replacing outdated servers, storage systems, and network equipment with energy-efficient alternatives, such as virtualization technologies. This reduces power consumption and sets the stage for a more sustainable and technologically advanced data center …
Sustainable Cooling Solutions For Electronics: A Comprehensive Review: Investigating The Latest Techniques And Materials, Their Effectiveness In Mechanical Applications, And Associated Environmental Benefits, Peter Efosa Ohenhen, Onyinyechukwu Chidolue, Aniekan Akpan Umoh, Bright Ngozichukwu, Adetomilola Victoria Fafure, Valentine Ikenna Ilojianya, Kenneth Ifeanyi Ibekwe
Sustainable Cooling Solutions For Electronics: A Comprehensive Review: Investigating The Latest Techniques And Materials, Their Effectiveness In Mechanical Applications, And Associated Environmental Benefits, Peter Efosa Ohenhen, Onyinyechukwu Chidolue, Aniekan Akpan Umoh, Bright Ngozichukwu, Adetomilola Victoria Fafure, Valentine Ikenna Ilojianya, Kenneth Ifeanyi Ibekwe
All Rsif Scholars' Publications
This study presents a comprehensive review of the latest techniques and materials in sustainable cooling solutions for electronic systems, focusing on their effectiveness in mechanical applications and associated environmental benefits. The primary aim is to assess the current state and future prospects of sustainable cooling technologies, highlighting their role in addressing thermal management challenges while minimizing environmental impacts. The methodology adopted is a systematic literature review, drawing data from peer-reviewed academic journals, conference proceedings, and industry reports. The search strategy involved keyword searches, database filtering, and reference tracking, with a focus on recent advancements in cooling technologies and their environmental …
Potential Of Lignocellulosic Fiber Reinforced Polymer Composites For Automobile Parts Production: Current Knowledge, Research Needs, And Future Direction, Abdulrahman Adeiza Musa, Azikiwe Peter Onwualu
Potential Of Lignocellulosic Fiber Reinforced Polymer Composites For Automobile Parts Production: Current Knowledge, Research Needs, And Future Direction, Abdulrahman Adeiza Musa, Azikiwe Peter Onwualu
All Rsif Scholars' Publications
In recent years, there has been a notable surge in research focusing on the use of natural fiber-reinforced polymer composites (NFRPCs) in the automobile industry. These materials offer several advantages over their synthetic counterparts, including lightweight properties, renewability, cost-effectiveness, and environmental friendliness. This increasing research interest in NFRPCs within the automotive sector is primarily aimed at overcoming the challenges that have thus far limited their industrial applications when compared to conventional synthetic composites. This paper provides a comprehensive overview of the potential applications and sustainability of lignocellulosic-based NFRPCs in the automobile industry. It examines the current state of knowledge, identifies …
Understanding The Factors Influencing The Properties Of Biomass‐Derived Porous Carbon And Their Impacts On Electrical Double‐Layer Capacitor Electrodes: A Comprehensive Review, Colette Abimana
All Rsif Scholars' Publications
The use of biomass as carbon precursors has been extensively investigated, with a particular emphasis on examining the properties of derived porous carbon and its application in electrical double-layer capacitors (EDLCs). Biomass-derived porous carbon-based electrodes have shown promising properties that can improve the efficiency of EDLCs. However, despite the extensive research in this field, no definitive solution has been proposed. This review investigates in depth three main factors that impact the electrochemical performance of derived porous carbon-based electrodes: (1) the initial properties of raw biomass as carbon precursors, (2) operating conditions, and (3) physicochemical properties of biomass-derived porous carbon materials. …
Phase Structure Transformation And Growth Mechanism For Iron Oxide Nanoparticles Synthesized By Mechanochemical Method: A Mini-Review, Joseph Ekhebume Ogbezode, Nkechi Elizabeth Offia-Kalu, Bello A. Abdulhakeem, Vitalis Chioh Anye, Peter Azikiwe Onwalu
Phase Structure Transformation And Growth Mechanism For Iron Oxide Nanoparticles Synthesized By Mechanochemical Method: A Mini-Review, Joseph Ekhebume Ogbezode, Nkechi Elizabeth Offia-Kalu, Bello A. Abdulhakeem, Vitalis Chioh Anye, Peter Azikiwe Onwalu
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The various methods of synthesis of iron oxide nanoparticles (IONPs) have been extensively studied in several works of literature. These methods include physical, chemical, and biological nanosynthesis methods with applications in water filtration, environmental remediation, plant improvements, biomedicines, etc. These nanosynthesis approaches revolve around their mode of application, nanomaterial properties, and characterization mechanisms, while little effort has been made to investigate the effect of nanosynthesis parameters based on phase transformation and growth mechanisms of such IONPs. The parameters, which are physical, chemical, mechanical, mineralogical, and morphological, have proven to have tremendous implications on the magnetic behaviors, crystalline size, degree of …
Effects Of Raw And Different Calcined Bentonite On Durability And Mechanical Properties Of Cement Composite Material, Tsion Amsalu Fode, Yusufu Abeid Chande Jande, Thomas Thomas Kivevele
Effects Of Raw And Different Calcined Bentonite On Durability And Mechanical Properties Of Cement Composite Material, Tsion Amsalu Fode, Yusufu Abeid Chande Jande, Thomas Thomas Kivevele
All Rsif Scholars' Publications
Bentonite is a natural pozzolanic material mostly composed of SiO2 and employed in cementing materials for the reduction of cement consumption and CO2 emission besides improving performance of cement composite material by consuming portlandite to form extra C-S-H gel. So, many researchers studied on partial replacement of bentonite to improve concrete performance. However, bentonite mostly exists as a consolidated form that needs treatment for activation of pozzolanic reactivity to improve performance of cement composite materials. However, it is not well known how different replacement of raw and calcined bentonite affects performance of cementing materials in different hazardous environment. Hence, the …
Modeling And Optimization Of Calcined Bentonite Replacement In The Mechanical And Durability Properties Of Mortar, Tsion Amsalu Fode, Yusufu Abeid Chande Chande Jande, Thomas Kivevele, Nima Rahbar
Modeling And Optimization Of Calcined Bentonite Replacement In The Mechanical And Durability Properties Of Mortar, Tsion Amsalu Fode, Yusufu Abeid Chande Chande Jande, Thomas Kivevele, Nima Rahbar
All Rsif Scholars' Publications
Currently, pozzolanic materials are mostly recommended to improve the properties of cement composite materials and reduce environmental pollution, challenging the world owing to ordinary Portland cement (OPC) production. Bentonite is mostly available natural pozzolana, however, extensive studies conducted on other clays like kaolin and some studies reported that bentonite exists in a consolidated form which requires heating activation methods. Therefore, it is essential to investigate the properties of bentonite in detail for its sustainable use, and it is novel to model and optimize the optimum bentonite calcination temperature and time for the best performance replacement in mortar. Hence, the present …
Activated Bentonite For Physical, Mechanical, And Durability Properties Of Concrete—A Review, Tsion Amsalu Fode, Yusufu Abeid Chande Chande Jande, Thomas Kivevele
Activated Bentonite For Physical, Mechanical, And Durability Properties Of Concrete—A Review, Tsion Amsalu Fode, Yusufu Abeid Chande Chande Jande, Thomas Kivevele
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Bentonite mostly exists in many counties and studies reported employment of activated bentonite in the concrete improves concrete performance more than using raw bentonite. However, it is not well-known which range of bentonite activation temperature and employment dose gives the best concrete performance for the sustainability of activated bentonite in construction materials. Therefore, the present study detail reviewed the effect of activated bentonite at different heating temperatures and replacement doses of bentonite on the durability, physical, mechanical, and microstructural properties of concrete. Also, environmental and economic beneficiary of employing activated bentonite in concrete is evaluated. As the review of various …