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The Effects Of Local Aggregates On The Mechanical Properties Of Engineered Cementitious Composites Ecc
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Book Synopsis The Effects of Local Aggregates on the Mechanical Properties of Engineered Cementitious Composites (ECC) by : Michel Obied
Download or read book The Effects of Local Aggregates on the Mechanical Properties of Engineered Cementitious Composites (ECC) written by Michel Obied and published by . This book was released on 2013 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Engineered Cementitous Composites (ECC) are a class of ultra-ductile fiber reinforced cementitious composites characterized by a strain hardening behavior and a high strain capacity when subjected to tensile loading. ECC integrates micromechanical models and fracture mechanics principles in the design concept which makes it an engineered material. These features promote ECC as a promising material for a wide range of applications which include repair of structures, and resistance to seismic activity, impacts, and blasts. However the high initial cost of the material which is three times the cost of conventional concrete hinders the widespread use of ECC. Also, the high carbon footprint and the high cement volume can be a potential problem for the environment. Therefore this research sought to reduce the cement volume by producing ECC with aggregates and producing it at an Aggregate to Binder ratio of 0.8. This means the new non-standard ECC has twice as much aggregate as can be found in standard ECC"--Abstract.
Book Synopsis Engineered Cementitious Composites (ECC) by : Victor C. Li
Download or read book Engineered Cementitious Composites (ECC) written by Victor C. Li and published by Springer. This book was released on 2019-04-30 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book on Engineered Cementitious Composites (ECC), an advanced concrete material attracting world-wide attention in both the academic community and in industry. The book presents a comprehensive coverage of the material design methodology, processing methodology, mechanical and durability properties, smart functions, and application case studies. It combines effective use of illustrations, graphical data, and tables. It de-emphasizes mathematics in favor of physical understanding. The book serves as an introduction to the subject matter, or as a reference to those conducting research in ECC. It will also be valuable to engineers who need to quickly search for relevant information in a single comprehensive text.
Book Synopsis Development of Specifications for Modified Engineered Cementitious Composites (MECC) for Use as Bridge Deck Overlays in Nevada by : Nicholas Dean Weitzel
Download or read book Development of Specifications for Modified Engineered Cementitious Composites (MECC) for Use as Bridge Deck Overlays in Nevada written by Nicholas Dean Weitzel and published by . This book was released on 2015 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: Engineered cementitious composite (ECC) material is a high-strength, fiber-reinforced, ductile mortar mixture that can exhibit tensile strains of up to 5%. The durability and mechanical properties of ECC make it a desirable construction material. This study presents an extensive evaluation of modified engineered cementitious composite (MECC) using locally sourced raw materials for use as a bridge-deck-overlay material. MECC is a mixture of cement, fly ash, water, concrete sand, and poly-vinyl alcohol fibers. The concrete sand used in this study was used in lieu of the typically used silica sand to reduce the high material cost, which makes MECC a modified ECC mix. Currently, the Nevada Department of Transportation (NDOT) uses a polymer concrete for bridge-deck-overlays in Nevada. While NDOT has had good performance with the polymer concrete overlays, the polymer concrete material is an expensive proprietary material. NDOT believes that MECC may be a viable alternative to the polymer concrete as a bridge-deck-overlay material. In this study, three different representative aggregates from throughout Nevada were selected to understand how the local aggregates would perform in MECC mixes. In total, eighteen different MECC mixes were evaluated using a total of thirteen different tests to determine the fresh and hardened properties of the MECC material. These tests included compressive strength, freeze-thaw durability, resistance to chloride ion penetration, and drying shrinkage. Additionally, a uniaxial tensile test was developed to test the tensile strengths and tensile strains of these different MECC mixes. In addition to evaluating MECC, samples of the polymer concrete and of a traditional Portland cement concrete mix were also tested. These results were used to determine how the performance of the MECC material compares with polymer concrete and traditional concrete. The laboratory test results were then analyzed using several different statistical analyses. First, all of the MECC mixes were compared with each other, and the polymer concrete and traditional concrete mixes. This showed how many mixes had statistically significantly higher/lower performance that both the polymer concrete and traditional concrete. Second, linear regressions were used to determine the standardized regression coefficients (or beta coefficients) which were used to determine which variables (mix proportions, aggregate source, fiber type) influenced the MECC's properties. Third, additional MECC mixes were batched to determine which aggregate properties would influence the MECC's properties. From this analysis, several predictive models were developed to predict the properties of an MECC mix that used a specific fine aggregate stockpile. After the completion of the laboratory phase, three different field trials were conducted to determine the feasibility of batching large amounts of MECC at commercial concrete batch plants. In these trials, approximately 6 cubic yards of MECC was mixed using different plant configurations to determine if any special measures would be needed to mix MECC on a large-scale. Additionally, a trial slab of MECC was placed at each of these field trials to determine how easy the MECC material would be to place, consolidate, and finish. The findings of this study are that MECC has many desirable qualities of a bridge-deck-overlay material. MECC has higher compressive strengths, higher tensile strengths and strains, high resistance to chloride ion penetration, and higher abrasion resistance than traditional concrete. Additionally, MECC has similar performance to the polymer concrete, meaning there is not a significant drop in performance between the materials. The large-scale trial batches showed that MECC could be mixed on a large-scale without any special measures. While MECC is harder to place than traditional concrete, it is not expected to require any specialty equipment for placement. The findings of this study were used to draft a specification for NDOT for the use of MECC as a bridge-deck-overlay material. This specification will be used in an upcoming field project by NDOT where a bridge-deck-overlay measuring approximately 28 feet by 140 feet by 4 inches thick will be placed in the spring of 2016 in Northern Nevada.
Book Synopsis Strain-Hardening Cement-Based Composites by : Viktor Mechtcherine
Download or read book Strain-Hardening Cement-Based Composites written by Viktor Mechtcherine and published by Springer. This book was released on 2017-09-04 with total page 811 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the proceedings of the 4th International Conference on Strain-Hardening Cement-Based Composites (SHCC4), that was held at the Technische Universität Dresden, Germany from 18 to 20 September 2017. The conference focused on advanced fiber-reinforced concrete materials such as strain-hardening cement-based composites (SHCC), textile-reinforced concrete (TRC) and high-performance fiber-reinforced cement-based composites (HPFRCC). All these new materials exhibit pseudo-ductile behavior resulting from the formation of multiple, fine cracks when subject to tensile loading. The use of such types of fiber-reinforced concrete could revolutionize the planning, development, dimensioning, structural and architectural design, construction of new and strengthening and repair of existing buildings and structures in many areas of application. The SHCC4 Conference was the follow-up of three previous successful international events in Stellenbosch, South Africa in 2009, Rio de Janeiro, Brazil in 2011, and Dordrecht, The Netherlands in 2014.
Book Synopsis Cement-Based Composites by : Andrzej M. Brandt
Download or read book Cement-Based Composites written by Andrzej M. Brandt and published by CRC Press. This book was released on 2009-01-29 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cement-Based Composites takes a different approach from most other books in the field by viewing concrete as an advanced composite material, and by considering the properties and behaviour of cement-based materials from this stance. It deals particularly, but not exclusively, with newer forms of cement-based materials. This new edition takes a critical approach to the subject as well as presenting up-to-date knowledge. Emphasis is given to non-conventional reinforcement and design methods, problems at the materials' interfaces and to the durability of structures. High strength composites and novel forms of cement-based composites are described in detail. After a basic introduction the book explores the various components of these materials and their properties. It then deals with mechanical properties and considers characteristics under various loading and environmental conditions, and concludes by examining design, optimization and economics with particular emphasis on high-performance concretes. Researchers, graduate students and practising engineers will find this book valuable.
Book Synopsis Construction Materials and Structures by : S.O. Ekolu
Download or read book Construction Materials and Structures written by S.O. Ekolu and published by IOS Press. This book was released on 2014-12-05 with total page 1562 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two volumes of these Proceedings contain about 200 conference papers and 10 keynote papers presented at the First International Conference on Construction Materials and Structures, held in Johannesburg, South Africa from 24 to 26 November 2014. It includes sections on Materials and characterization; Durability of construction materials; Structural implications, performance, service life; Sustainability, waste utilization, the environment; and Building science and construction.
Download or read book Fly Ash in Concrete written by K. Wesche and published by CRC Press. This book was released on 2004-03-01 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a state-of-the-art report which documents current knowledge on the properties of fly ash in concrete and the use of fly ash in construction. It includes RILEM Recommendations on fly ash in concrete and a comprehensive bibliography including over 800 references.
Book Synopsis Structural Fire Engineering by : Venkatesh Kodur
Download or read book Structural Fire Engineering written by Venkatesh Kodur and published by McGraw Hill Professional. This book was released on 2020-02-28 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: Actionable strategies for the design and construction of fire-resistant structures This hands-on guide clearly explains the complex building codes and standards that relate to fire design and presents hands-on techniques engineers can apply to prevent or mitigate the effects of fire in structures. Dedicated chapters discuss specific procedures for steel, concrete, and timber buildings. You will get step-by-step guidance on how to evaluate fire resistance using both testing and calculation methods. Structural Fire Engineering begins with an introduction to the behavioral aspects of fire and explains how structural materials react when exposed to elevated temperatures. From there, the book discusses the fire design aspects of key codes and standards, such as the International Building Code, the International Fire Code, and the NFPA Fire Code. Advanced topics are covered in complete detail, including residual capacity evaluation of fire damaged structures and fire design for bridges and tunnels. Explains the fire design requirements of the IBC, IFC, the NFPA Fire Code, and National Building Code of Canada Presents design strategies for steel, concrete, and timber structures as well as for bridges and tunnels Contains downloadable spreadsheets and problems along with solutions for instructors
Book Synopsis Effects of North Carolina Recycled Aggregates on the Mechanical Properties of Concrete by : Danial G. Fisher
Download or read book Effects of North Carolina Recycled Aggregates on the Mechanical Properties of Concrete written by Danial G. Fisher and published by . This book was released on 1996 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Textile Reinforced Cement Composites by : Jan Wastiels
Download or read book Textile Reinforced Cement Composites written by Jan Wastiels and published by MDPI. This book was released on 2020-03-05 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Issue presents the latest advances in the field of Textile-Reinforced Cement Composites, including Textile-Reinforced Concrete (TRC), Textile-Reinforced Mortar (TRM), Fabric-Reinforced Cementitious Matrix (FRCM), etc. These composite materials distinguish themselves from other fibre-reinforced concrete materials by their strain-hardening behaviour under tensile loading. This Special Issue is composed of 14 papers covering new insights in structural and material engineering. The papers include investigations on the level of the fibre reinforcement system as well as on the level of the composites, investigating their impact and fatigue behaviour, durability and fire behaviour. Both the strengthening of existing structures and the development of new structural systems such as lightweight sandwich systems are presented, and analysis and design methods are discussed. This Special Issue demonstrates the broadness and intensity of the ongoing advancements in the field of Textile-Reinforced Cement composites and the importance of several future research directions.
Book Synopsis Strain Hardening Cementitious Composites: material development, performance characterization, structural, and 3D printing applications by : Kequan Yu
Download or read book Strain Hardening Cementitious Composites: material development, performance characterization, structural, and 3D printing applications written by Kequan Yu and published by Frontiers Media SA. This book was released on 2022-05-10 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Concrete Construction Engineering Handbook by : Edward G. Nawy
Download or read book Concrete Construction Engineering Handbook written by Edward G. Nawy and published by CRC Press. This book was released on 2008-06-24 with total page 1586 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Concrete Construction Engineering Handbook, Second Edition provides in depth coverage of concrete construction engineering and technology. It features state-of-the-art discussions on what design engineers and constructors need to know about concrete, focusing on - The latest advances in engineered concrete materials Reinforced concrete construction Specialized construction techniques Design recommendations for high performance With the newly revised edition of this essential handbook, designers, constructors, educators, and field personnel will learn how to produce the best and most durably engineered constructed facilities.
Book Synopsis Effect of Larger Sized Coarse Aggregates on Mechanical Properties of Portland Cement Concrete Pavements and Structures by :
Download or read book Effect of Larger Sized Coarse Aggregates on Mechanical Properties of Portland Cement Concrete Pavements and Structures written by and published by . This book was released on 2006 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: ODOT is continually searching for ways to improve the cost efficiency of Portland cement concrete without sacrificing concrete strength and stiffness. Because Portland cement is easily the most costly material used in normal concrete, limiting the amount of cement used is the quickest way to achieve cost effectiveness. In addition, limiting the cement content will also help to prevent dimensional instabilities in concrete such as shrinkage and creep. The use of larger sized coarse aggregates may be useful in limiting cement content, yet larger sized coarse aggregates may also decrease concrete strength by weakening the aggregate-cement paste bond. In many transportation structures, such as pavements, concrete strength is not critical, as dimensional stability, porosity, and durability play a more important role. It is possible, therefore, that larger sized coarse aggregates can reduce the cement content and improve these properties. Laboratory research is needed to determine if larger sized coarse aggregates can improve cement efficiency without reducing concrete strength.
Book Synopsis Advanced Concrete Technology by : Zongjin Li
Download or read book Advanced Concrete Technology written by Zongjin Li and published by John Wiley & Sons. This book was released on 2011-01-11 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past two decades concrete has enjoyed a renewed level of research and testing, resulting in the development of many new types of concrete. Through the use of various additives, production techniques and chemical processes, there is now a great degree of control over the properties of specific concretes for a wide range of applications. New theories, models and testing techniques have also been developed to push the envelope of concrete as a building material. There is no current textbook which brings all of these advancements together in a single volume. This book aims to bridge the gap between the traditional concrete technologies and the emerging state-of-the-art technologies which are gaining wider use.
Book Synopsis Advances in Structural Engineering by : Vasant Matsagar
Download or read book Advances in Structural Engineering written by Vasant Matsagar and published by Springer. This book was released on 2014-12-12 with total page 1033 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents research papers presented by academicians, researchers, and practicing structural engineers from India and abroad in the recently held Structural Engineering Convention (SEC) 2014 at Indian Institute of Technology Delhi during 22 – 24 December 2014. The book is divided into three volumes and encompasses multidisciplinary areas within structural engineering, such as earthquake engineering and structural dynamics, structural mechanics, finite element methods, structural vibration control, advanced cementitious and composite materials, bridge engineering, and soil-structure interaction. Advances in Structural Engineering is a useful reference material for structural engineering fraternity including undergraduate and postgraduate students, academicians, researchers and practicing engineers.
Book Synopsis Proceedings of SECON 2020 by : Kaustubh Dasgupta
Download or read book Proceedings of SECON 2020 written by Kaustubh Dasgupta and published by Springer Nature. This book was released on 2020-11-20 with total page 959 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers peer-reviewed contributions presented at the 1st International Conference on Structural Engineering and Construction Management (SECON’20), held in Angamaly, Kerala, India, on 14-15 May 2020. The meeting served as a fertile platform for discussion, sharing sound knowledge and introducing novel ideas on issues related to sustainable construction and design for the future. The respective contributions address various aspects of numerical modeling and simulation in structural engineering, structural dynamics and earthquake engineering, advanced analysis and design of foundations, BIM, building energy management, and technical project management. Accordingly, the book offers a valuable, up-to-date tool and essential overview of the subject for scientists and practitioners alike, and will inspire further investigations and research.
Book Synopsis Brittle Matrix Composites 7 by : A M Brandt
Download or read book Brittle Matrix Composites 7 written by A M Brandt and published by Woodhead Publishing. This book was released on 2003-10 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Symposium in Brittle Matrix Composites October 13-15, 2003 covers a wide spectrum of topics including cement based composites, ceramic composites and brittle polymer matrix composites. In the papers various topics and issues are considered such as: analytical and numerical studies related to the design of composites, prediction of behaviour and verification of strength and stability, testing methods, manufacturing processes and repair, environmental effects and durability assessment. The present volume of 55 papers proves that there are still many problems in the field of brittle matrix composites deserving theoretical and experimental investigations and that new solutions to these problems are needed for practical application in civil engineering, industrial structures, machinery and other domains.
