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Laboratory Investigation Of Air Void Systems Produced By Air Entraining Admixtures In Fresh And Hardened Mortar
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Book Synopsis Laboratory Investigation of Air-void Systems Produced by Air-entraining Admixtures in Fresh and Hardened Mortar by : Daniel Stephen Lane
Download or read book Laboratory Investigation of Air-void Systems Produced by Air-entraining Admixtures in Fresh and Hardened Mortar written by Daniel Stephen Lane and published by . This book was released on 2006 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The air-void systems produced by two commercially available air-entraining admixtures (AEA), one a vinsol resin formulation and the other a tall oil formulation, were studied in mortars. Mortars were composed of four different portland cements and two Class F fly ashes (20 percent by mass) with concrete sand. The mortar proportions were based on Virginia Department of Transportation Class A4 concrete with a water-cementitious material ratio of 0.45. Foam index tests were conducted on all cementitious combinations, and the results were used to determine the dosage of AEA in the mortars. The air content of the mortars was determined gravimetrically, and specimens were cast for subsequent linear traverse analysis of the air-void system. With both AEAs, mortar air contents in the target range produced spacing factors much lower than necessary to provide resistance to freezing and thawing, suggesting that the ranges for air content currently used in VDOT specifications could be reduced to lessen the potential for acceptance problems associated with excessive air content. Further study is recommended to verify that the relationships observed in this study are also observed in concrete and to define improved air content specifications.
Book Synopsis Air-entraining Admixtures by : Paul Klieger
Download or read book Air-entraining Admixtures written by Paul Klieger and published by . This book was released on 1966 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Symposium on Admixtures for Mortar and Concrete: Topic III-IV: Effect of admixtures on the properties of fresh and hardened mortar and concrete by :
Download or read book International Symposium on Admixtures for Mortar and Concrete: Topic III-IV: Effect of admixtures on the properties of fresh and hardened mortar and concrete written by and published by . This book was released on 1967 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Expert/knowledge-based Systems for Cement and Concrete by : Lawrence J. Kaetzel
Download or read book Expert/knowledge-based Systems for Cement and Concrete written by Lawrence J. Kaetzel and published by . This book was released on 1991 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of the American Concrete Institute by : American Concrete Institute
Download or read book Journal of the American Concrete Institute written by American Concrete Institute and published by . This book was released on 1979 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes the ACT news letter (title varies slightly).
Book Synopsis Application of Admixtures in Concrete by : A.M. Paillere
Download or read book Application of Admixtures in Concrete written by A.M. Paillere and published by CRC Press. This book was released on 1994-10-13 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a thorough review of the properties and use of the principal chemical admixtures for use in concrete. Concise and clearly presented, the book includes extensive references to key sources of information. The presentation of each admixture is in a standard format, which helps the reader to find relevant information easily.
Book Synopsis Significance of Tests and Properties of Concrete and Concrete-making Materials by : Joseph F. Lamond
Download or read book Significance of Tests and Properties of Concrete and Concrete-making Materials written by Joseph F. Lamond and published by ASTM International. This book was released on 2006 with total page 661 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation Into the Effects of Materials and Mixing Procedures on Air Void Characteristics of Fresh Concrete Using Air Void Analyzer (AVA) by : S. Zhang
Download or read book Investigation Into the Effects of Materials and Mixing Procedures on Air Void Characteristics of Fresh Concrete Using Air Void Analyzer (AVA) written by S. Zhang and published by . This book was released on 2006 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The air void analyzer (AVA) was used to investigate the effects of concrete materials and mixing procedures on air void characteristics of fresh concrete. Twenty-seven batches of concrete were made with three mix proportions (with and without Class C fly ash or water reducer), and they were mixed with five mixing procedures (one-step mixing for 1, 2, or 4 min, two-step mixing for 4 min and ASTM C 192 lab mixing procedures) and two sizes of pan mixers (0.014 and 0.042 m3 or 0.5 and 1.5 ft3). The air content, size distribution, specific surface, and spacing factor of all the batch mixtures were examined. The results indicated that incorporating 15 % Class C fly ash replacement or recommended dosage of a lignin-based water reducer into concrete generally reduced the spacing factor of air voids. The two-step mixing method (mixing mortar for 2 min first, and then mixing the mortar with coarse aggregate for another 2 min) produced a lower air void spacing factor than the one-step, 4-min mixing method (mixing all concrete materials together at once). For concrete mixed with the one-step mixing method, the air void spacing factor reduced with mixing time. For a given concrete mixture and mixing procedure, use of different sizes of mixers provided the mixtures with different air content and different spacing factor. The air void characteristics of the corresponding fresh and hardened concrete were also examined using the Type B pressure meter and RapidAir test methods, respectively. The correlations between the results from AVA, Type B pressure meter, and RapidAir tests were studied.
Book Synopsis Investigation of Proprietary Admixtures by : K. L. Saucier
Download or read book Investigation of Proprietary Admixtures written by K. L. Saucier and published by . This book was released on 1980 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Concrete Technology Set by : John Newman
Download or read book Advanced Concrete Technology Set written by John Newman and published by Elsevier. This book was released on 2003-11-06 with total page 1920 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the Institute of Concrete Technology's advanced course, this new four volume series is a comprehensive educational and reference resource for the concrete materials technologist. An expert international team of authors from research, academia and industry has been brought together to produce this unique reference source. Each volume deals with different aspects of the properties, composition, uses and testing of concrete. With worked examples, case studies and illustrations throughout, this series will be a key reference for the concrete specialist for years to come. Expert international authorship ensures the series is authoritative Case studies and worked examples help the reader apply their knowledge to practice Comprehensive coverage of the subject gives the reader all the necessary reference material
Book Synopsis Specifications for Structural Concrete, ACI 301-05, with Selected ACI References by : American Concrete Institute
Download or read book Specifications for Structural Concrete, ACI 301-05, with Selected ACI References written by American Concrete Institute and published by American Concrete Institute. This book was released on 2005 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Admixtures for Concrete, Mortar and Grout. Test Methods. Determination of Air Void Characteristics in Hardened Concrete by : British Standards Institute Staff
Download or read book Admixtures for Concrete, Mortar and Grout. Test Methods. Determination of Air Void Characteristics in Hardened Concrete written by British Standards Institute Staff and published by . This book was released on 2005-12-14 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concrete admixtures, Concretes, Mortars, Grouting, Construction materials, Air, Testing conditions, Sampling methods, Specimen preparation, Classification systems, Microscopic analysis
Book Synopsis Concrete Admixtures Handbook, 2nd Ed. by : V.S. Ramachandran
Download or read book Concrete Admixtures Handbook, 2nd Ed. written by V.S. Ramachandran and published by William Andrew. This book was released on 1996-12-31 with total page 1183 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of the first edition ten years ago, significant developments have occurred in the use of admixtures in concrete. Eight new chapters and a full update of the preceding ten chapters bring this book up to date; reflecting the relative advances made in the science and technology of different groups of admixtures. The increased role and development of admixtures in concrete technology is evidenced by a number of conferences, publications, and novel admixtures available in the market place. These developments in the field caused the modification of many chapters in the first edition in order to reflect the advances. Although individual chapters refer to standards and specifications of admixtures, those only interested in the standards or techniques used in investigating admixtures will find the second chapter (Research Technologies, Standards, and Specifications) useful. Admixtures are not as inert as may be presumed. They may chemically interact with the constituents of concrete and affect the properties of the fresh and hardened concrete and its durability. The third chapter deals with these aspects. It was important to devote a chapter to recent attempts in developing new admixtures.
Book Synopsis Waste Treatment in the Metal Manufacturing, Forming, Coating, and Finishing Industries by : Lawrence K. Wang
Download or read book Waste Treatment in the Metal Manufacturing, Forming, Coating, and Finishing Industries written by Lawrence K. Wang and published by CRC Press. This book was released on 2016-04-19 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive in its scope and directly applicable to daily waste management problems of specific industries, Waste Treatment in the Metal Manufacturing, Forming, Coating, and Finishing Industries covers hazardous industrial waste treatment, renovation, and reuse in the metal manufacturing, forming, coating, enameling, and finishing industries. It
Book Synopsis International Symposium on Admixtures for Mortar and Concrete: Topic III-IV: Effect of admixtures on the properties of fresh and hardened mortar and concrete by :
Download or read book International Symposium on Admixtures for Mortar and Concrete: Topic III-IV: Effect of admixtures on the properties of fresh and hardened mortar and concrete written by and published by . This book was released on 1967 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :FIB – International Federation for Structural Concrete Publisher :FIB - Féd. Int. du Béton ISBN 13 :9539542839 Total Pages :994 pages Book Rating :4.5/5 (395 download)
Book Synopsis Proceedings fib Symposium in Dubrovnik Croatia by : FIB – International Federation for Structural Concrete
Download or read book Proceedings fib Symposium in Dubrovnik Croatia written by FIB – International Federation for Structural Concrete and published by FIB - Féd. Int. du Béton. This book was released on 2007-05-01 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Advanced Industrial and Hazardous Wastes Treatment by : Lawrence K. Wang
Download or read book Handbook of Advanced Industrial and Hazardous Wastes Treatment written by Lawrence K. Wang and published by CRC Press. This book was released on 2009-11-04 with total page 1396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most industrial and hazardous waste management resources cover the major industries and provide conventional in-plant pollution control strategies. Until now however, no book or series of books has provided coverage that includes the latest developments in innovative and alternative environmental technology, design criteria, managerial decision met
