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Chemical Transformation Of Rice Husk Ash For Sustainable Constructable And Durable Binary Cementitious System
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Book Synopsis Chemical Transformation of Rice Husk Ash for Sustainable, Constructable, and Durable Binary Cementitious System by : Lapyote Prasittisopin
Download or read book Chemical Transformation of Rice Husk Ash for Sustainable, Constructable, and Durable Binary Cementitious System written by Lapyote Prasittisopin and published by . This book was released on 2014 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of cement and concrete results in the production of large amounts of CO2 emissions which can have significant negative environmental impacts. Using supplementary cementing materials (SCMs) as a cement replacement is an effective solution to reduce these negative environmental impacts, as most SCMs are waste by-products from other industries. Rice husk ash (RHA) is one such by-product material. RHA is produced from the burning of rice husks for the production of electricity. This material consists mostly of amorphous silica and has high potential to be used as a SCM. However, the use of RHA is limited. This is due to its cellular, honeycomb-like morphology. This morphology absorbs mix water and reduces the workability of fresh mixtures containing RHA. Reducing RHA particle size can improve the workability of cementitious systems containing RHA. However, reducing RHA particle size with mechanical grinding is time-consuming and costly. This dissertation evaluates the development of a new chemical transformation method to reduce particle size and to eliminate the RHA cellular, honeycomb-like morphology of the RHA. This dissertation focuses on developing a chemical transformation process for RHA, assessing the performance of systems containing chemically transformed RHA (t-RHA), and evaluating the influence of mixing and transport variables on the characteristics of RHA blended cement systems. Results indicate that using the chemical transformation process can be an alternative method to reduce RHA particle size and eliminate the cellular, honeycomb-like morphology of the RHA. This results in the improved flowability, higher chemical shrinkage, faster set, reduced porosity, and increased early-age strength of blended cementitious systems when compared to the 100% portland cement (PC) system. When mixing time and mixer revolution counts increase, using t-RHA exhibits lower flow reduction rates and lower chloride diffusivity than the 100% PC system. However, the performance of the t-RHA and the as-receive RHA (AR-RHA) system are similar with increasing mixing time and mixer revolutions count.
Book Synopsis Manufacturing Systems and Technologies for the New Frontier by : Fumihiko Kimura
Download or read book Manufacturing Systems and Technologies for the New Frontier written by Fumihiko Kimura and published by Springer Science & Business Media. This book was released on 2008-05-19 with total page 555 pages. Available in PDF, EPUB and Kindle. Book excerpt: Collected here are 112 papers concerned with new directions in manufacturing systems, given at the 41st CIRP Conference on Manufacturing Systems. The high-quality material includes reports of work from both scientific and engineering standpoints.
Book Synopsis Energy Efficient Manufacturing by : John W. Sutherland
Download or read book Energy Efficient Manufacturing written by John W. Sutherland and published by John Wiley & Sons. This book was released on 2018-08-14 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last several years, manufacturers have expressed increasing interest in reducing their energy consumption and have begun to search for opportunities to reduce their energy usage. In this book, the authors explore a variety of opportunities to reduce the energy footprint of manufacturing. These opportunities cover the entire spatial scale of the manufacturing enterprise: from unit process-oriented approaches to enterprise-level strategies. Each chapter examines some aspect of this spatial scale, and discusses and describes the opportunities that exist at that level. Case studies demonstrate how the opportunity may be acted on with practical guidance on how to respond to these opportunities.
Book Synopsis IIE Annual Conference and Expo by : Institute of Industrial Engineers
Download or read book IIE Annual Conference and Expo written by Institute of Industrial Engineers and published by . This book was released on 2013-06-30 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of Geography by : Barney Warf
Download or read book Encyclopedia of Geography written by Barney Warf and published by SAGE Publications. This book was released on 2010-09-21 with total page 3543 pages. Available in PDF, EPUB and Kindle. Book excerpt: Simply stated, geography studies the locations of things and the explanations that underlie spatial distributions. Profound forces at work throughout the world have made geographical knowledge increasingly important for understanding numerous human dilemmas and our capacities to address them. With more than 1,200 entries, the Encyclopedia of Geography reflects how the growth of geography has propelled a demand for intermediaries between the abstract language of academia and the ordinary language of everyday life. The six volumes of this encyclopedia encapsulate a diverse array of topics to offer a comprehensive and useful summary of the state of the discipline in the early 21st century. Key Features Gives a concise historical sketch of geography′s long, rich, and fascinating history, including human geography, physical geography, and GIS Provides succinct summaries of trends such as globalization, environmental destruction, new geospatial technologies, and cyberspace Decomposes geography into the six broad subject areas: physical geography; human geography; nature and society; methods, models, and GIS; history of geography; and geographer biographies, geographic organizations, and important social movements Provides hundreds of color illustrations and images that lend depth and realism to the text Includes a special map section Key Themes Physical Geography Human Geography Nature and Society Methods, Models, and GIS People, Organizations, and Movements History of Geography This encyclopedia strategically reflects the enormous diversity of the discipline, the multiple meanings of space itself, and the diverse views of geographers. It brings together the diversity of geographical knowledge, making it an invaluable resource for any academic library.
Book Synopsis Unit Manufacturing Processes by : National Research Council
Download or read book Unit Manufacturing Processes written by National Research Council and published by National Academies Press. This book was released on 1995-01-03 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Manufacturing, reduced to its simplest form, involves the sequencing of product forms through a number of different processes. Each individual step, known as an unit manufacturing process, can be viewed as the fundamental building block of a nation's manufacturing capability. A committee of the National Research Council has prepared a report to help define national priorities for research in unit processes. It contains an organizing framework for unit process families, criteria for determining the criticality of a process or manufacturing technology, examples of research opportunities, and a prioritized list of enabling technologies that can lead to the manufacture of products of superior quality at competitive costs. The study was performed under the sponsorship of the National Science Foundation and the Defense Department's Manufacturing Technology Program.
Book Synopsis Advanced Joining Processes by : Lucas F. M. da Silva
Download or read book Advanced Joining Processes written by Lucas F. M. da Silva and published by Springer Nature. This book was released on 2020-03-31 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents recent material science-based and mechanical analysis-based advances in joining processes. It includes all related processes, e.g. friction stir welding, joining by plastic deformation, laser welding, clinch joining, and adhesive bonding, as well as hybrid joints. It gathers selected full-length papers from the 1st Conference on Advanced Joining Processes.
Book Synopsis Manufacturing Engineering Education by : J. Paulo Davim
Download or read book Manufacturing Engineering Education written by J. Paulo Davim and published by Chandos Publishing. This book was released on 2018-09-19 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Manufacturing Engineering Education includes original and unpublished chapters that develop the applications of the manufacturing engineering education field. Chapters convey innovative research ideas that have a prodigious significance in the life of academics, engineers, researchers and professionals involved with manufacturing engineering. Today, the interest in this subject is shown in many prominent global institutes and universities, and the robust momentum of manufacturing has helped the U.S. economy continue to grow throughout 2014. This book covers manufacturing engineering education, with a special emphasis on curriculum development, and didactic aspects. Includes original and unpublished chapters that develop the applications of the manufacturing engineering education principle Applies manufacturing engineering education to curriculum development Offers research ideas that can be applied to the work of academics, engineers, researchers and professionals
Download or read book Hydrogen Storage written by Jianjun Liu and published by BoD – Books on Demand. This book was released on 2012-09-05 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogen, as an energy carrier, is widely regarded as a potential cost effective, renewable, and clean energy alternative to petroleum in order to mitigate energy shortage and global climate warming issues that the world is currently facing. However, storage of hydrogen is a substantial challenge, especially for applications in vehicles with fuel cells that use proton-exchange membranes (PEMs). Therefore, scientific community has started focusing their research activities on developing advanced hydrogen storage materials through nanotechnology. The book presents a wide variety of nanostructured materials used for application in hydrogen storage, covering chemical and physical storage approaches. The research topics include computational design, synthesis, processing, fabrication, characterization, properties and applications of nanomaterials in hydrogen storage systems.
