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Author: nist Publisher: ISBN: 9781494290443 Category : Languages : en Pages : 96
Book Description
The American Concrete Institute in 2010 defined internal curing as supplying water throughout a freshly placed cementitious mixture using reservoirs, via pre-wetted lightweight aggregates, that readily release water as needed for hydration or to replace moisture lost through evaporation or self-desiccation (American Concrete Institute, 2010). While internal curing has been inadvertently included in many lightweight concretes produced within the past 100 years, it is only within the first decade of the 21st century that this technology has been intentionally incorporated into concrete mixtures at the proportioning stage, using a variety of materials including pre-wetted lightweight aggregates, pre-wetted crushed returned concrete fines, superabsorbent polymers, and pre-wetted wood fibers. This report provides a state-of-the-art review of the subject of internal curing, first addressing its history and theory, andthen proceeding to summarize published guidance on implementing internal curing in practice and published research on its influence on the performance properties of concrete. The ongoing exploration of extensions of the internal curing concept that employ the internal reservoirs to contain materials other than water are reviewed. Finally, the critical issue of sustainability is addressed. An extensive internal curing bibliography that is also available over the Internet is included in an appendix. The report is mainly focused on the utilization of prewettedlightweight aggregates as the internal reservoirs due to thisbeing the current established practice within the U.S.
Author: nist Publisher: ISBN: 9781494290443 Category : Languages : en Pages : 96
Book Description
The American Concrete Institute in 2010 defined internal curing as supplying water throughout a freshly placed cementitious mixture using reservoirs, via pre-wetted lightweight aggregates, that readily release water as needed for hydration or to replace moisture lost through evaporation or self-desiccation (American Concrete Institute, 2010). While internal curing has been inadvertently included in many lightweight concretes produced within the past 100 years, it is only within the first decade of the 21st century that this technology has been intentionally incorporated into concrete mixtures at the proportioning stage, using a variety of materials including pre-wetted lightweight aggregates, pre-wetted crushed returned concrete fines, superabsorbent polymers, and pre-wetted wood fibers. This report provides a state-of-the-art review of the subject of internal curing, first addressing its history and theory, andthen proceeding to summarize published guidance on implementing internal curing in practice and published research on its influence on the performance properties of concrete. The ongoing exploration of extensions of the internal curing concept that employ the internal reservoirs to contain materials other than water are reviewed. Finally, the critical issue of sustainability is addressed. An extensive internal curing bibliography that is also available over the Internet is included in an appendix. The report is mainly focused on the utilization of prewettedlightweight aggregates as the internal reservoirs due to thisbeing the current established practice within the U.S.
Author: J. Paul Guyer, P.E., R.A. Publisher: Guyer Partners ISBN: Category : Technology & Engineering Languages : en Pages : 28
Book Description
Introductory technical guidance for civil engineers and construction managers interested in internal curing of portland cement concrete pavement. Here is what is discussed: 1. INTRODUCTION 2. PAVEMENT APPLICATIONS 3. MIXTURE DESIGN FOR INTERNAL CURING 4. CONCRETE PAVEMENT CONSTRUCTION ASPECTS OF INTERNALLY CURED CONCRETE 5. PROPERTIES OF INTERNALLY CURED CONCRETE 6. PRACTICAL APPLICATIONS 7. SUMMARY 8. REFERENCES.
Author: Dejian Shen Publisher: Springer Nature ISBN: 9811983984 Category : Technology & Engineering Languages : en Pages : 348
Book Description
This monograph is written based on the author's research on the assessment, control, and repair of cracking of early-age concrete in the recent decade. The technique of internal curing for increasing cracking resistance of early-age concrete is further developed through experimental and theoretical research. It establishes models for predicting the internal relative humidity and autogenous shrinkage of internally cured concrete at early age; reveals the variation law and mechanism of early-age tensile creep of internally cured concrete; and explores the variation law and mechanism of early-age cracking resistance of internally cured concrete under continuous restrained condition or uniaxial restrained condition. It is designed as a reference work for professionals or practitioners and a textbook for undergraduates or postgraduates. As such, this book provides valuable knowledge, useful methods, and practical experience that can be considered in the field of concrete cracking control.
Author: J. N. Reddy Publisher: Springer Nature ISBN: 9811933030 Category : Architecture Languages : en Pages : 1023
Book Description
This book presents articles from the Second International Conference on Sustainable Civil Engineering and Architecture, held on 30 October 2021 in Ho Chi Minh City, Vietnam. The conference brings together international experts from both academia and industry to share their knowledge, expertise, to facilitate collaboration and improve cooperation in the field. The book highlights the latest advances in sustainable architecture and civil engineering, covering topics such as offshore structures, structural engineering, construction materials, and architecture.
Author: Peter C. Taylor Publisher: CRC Press ISBN: 0415779529 Category : Technology & Engineering Languages : en Pages : 220
Book Description
Curing is one of those activities that every civil engineer and construction worker has heard of, but in reality does not worry about much. In practice, curing is often low on the list of priorities on the construction site, particularly when budgets and timelines are under pressure. Yet the increasing demands being placed on concrete mixtures also mean that they are less forgiving than in the past. Therefore, any activity that will help improve hydration and so performance, while reducing the risk of cracking, is becoming more important. Curing Concrete explains exactly why curing is so important and shows you how to best do it. The book covers: The fundamentals behind hydration How curing affects the properties of concrete, improving its long-term performance What curing technologies and techniques you can use for different applications How to effectively specify, provide, and measure curing in a project The author also gives numerous examples of how curing—or a lack of it—has affected concrete performance in real-world situations. These include examples from hot and cold climates, as well as examples related to high-performance concrete, performance parameters, and specifications and testing. Written for construction professionals who want to ensure the quality and longevity of their concrete structures, this book demonstrates that curing is well worth the effort and cost.
Author: J. Paul Guyer, P.E., R.A. Publisher: Guyer Partners ISBN: Category : Technology & Engineering Languages : en Pages : 352
Book Description
Introductory technical guidance for civil engineers, construction managers and highway maintenance managers interested in pavement engineering. This is one of two volumes. This is what is contained in this volume: 1. AGGREGATE SURFACE PAVEMENTS 2. THIN ASPHALT PAVEMENT OVERLAYS 3. CONCRETE ADMIXTURES FOR PAVEMENT 4. ACOUSTIC SPECTROSCOPY FOR ASR TESTING OF CONCRETE PAVEMENT 5. BASES AND SUBBASES FOR CONCRETE PAVEMENT 6. INTERNAL CURING OF CONCRETE PAVEMENT 7. PAVEMENT FOR SEASONAL FROST CONDITIONS 8. PAVEMENT DRAINAGE 9. FLEXIBLE ASPHALT CONCRETE 10. ELASTIC LAYERED METHODS OF FLEXIBLE PAVEMENT DESIGN 11. COMPACTION AND QUALITY CONTROL FOR HOT MIX ASPHALT PAVEMENT 12. SURFACE PREPARATION AND PLACEMENT FOR HOT MIX ASPHALT PAVEMENT 13. PAVEMENT SURVEY, MAINTENANCE AND REPAIR 14. PAVEMENT OVERLAYS.
Author: Konstantinos Papadikis Publisher: CRC Press ISBN: 1000768023 Category : Technology & Engineering Languages : en Pages : 524
Book Description
Sustainable Buildings and Structures: Building a Sustainable Tomorrow collects the contributions presented at the 2nd International Conference on Sustainable Buildings and Structures (Suzhou, China, 25-27 October 2019). The papers aim at sharing the state-of-the-art on sustainable approaches to engineering design and construction, and cover a wide range of topics: Sustainable Construction Materials Sustainable Design in Built Environment Green and Low Carbon Buildings Smart Construction and Construction Management Sustainable Buildings and Structures: Building a Sustainable Tomorrow will be of interest to academics, professionals, industry representatives and local government officials involved in civil engineering, architecture, urban planning, structural engineering, construction management and other relate fields.
Author: William P. Boshoff Publisher: Springer Nature ISBN: 3030333426 Category : Technology & Engineering Languages : en Pages : 275
Book Description
The book gathers the peer-reviewed contributions presented at the 3rd International Conference on Application of Superabsorbent Polymers (SAP) and Other New Admixtures towards Smart Concrete, held in Skukuza, South Africa, on November 25-27, 2019. It features papers focusing on the behavior of SAP in concrete (in particular the absorption behavior) as well as the effect of SAP on fresh and hardened concrete properties. It also covers topics such as other modern admixtures, in particular rheology-modifying admixtures, including the recently emerging field of bio- or waste-derived admixtures. The conference builds on the experience and summarizes the activities of the RILEM Technical Committee 260-RSC "Recommendations for Use of Superabsorbent Polymers in Concrete Construction" and addresses other prominent research activities in the field of concrete admixtures.
Author: nist
Author: nist
Author: J. Paul Guyer, P.E., R.A.
Author: Dejian Shen
Author: Dejian Shen
Author: J. N. Reddy
Author: Peter C. Taylor
Author: J. Paul Guyer, P.E., R.A.
Author: Mary Kathryn Thompson
Author: Konstantinos Papadikis
Author: William P. Boshoff