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A Study Comparing The Scaling Resistance Of Air Entrained Concrete With Concrete Containing Silicone Admixture
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Book Synopsis A Study Comparing the Scaling Resistance of Air-entrained Concrete with Concrete Containing Silicone Admixture by : Idaho. Department of Highways. Materials and Research Division
Download or read book A Study Comparing the Scaling Resistance of Air-entrained Concrete with Concrete Containing Silicone Admixture written by Idaho. Department of Highways. Materials and Research Division and published by . This book was released on 1967 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Research Council (U.S.). Highway Research Information Service Publisher : ISBN 13 : Total Pages :882 pages Book Rating :4.E/5 ( download)
Book Synopsis HRIS Abstracts by : National Research Council (U.S.). Highway Research Information Service
Download or read book HRIS Abstracts written by National Research Council (U.S.). Highway Research Information Service and published by . This book was released on 1972 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Synthetic Air Entraining Agents on Compressive Strength of Portland Cement Concrete by :
Download or read book Effects of Synthetic Air Entraining Agents on Compressive Strength of Portland Cement Concrete written by and published by . This book was released on 2001 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document reports the results of a comprehensive study pertaining to the determination of causes and mechanisms resulting in a reduction of strength in concrete mixtures containing Synthetic air entraining admixtures. The study involved experimentation with concrete mixtures containing both the Synthetic and Vinsol resin admixtures. Tests involved determination of air content for fresh concrete and air bubble characteristics including size and distribution for hardened concrete. Compressive strength of concrete samples were determined at ages 7, 14, 28 and 56 days.
Book Synopsis Effects of a Proprietary Chemical Admixture on the Properties of Concrete by : Waterways Experiment Station (U.S.)
Download or read book Effects of a Proprietary Chemical Admixture on the Properties of Concrete written by Waterways Experiment Station (U.S.) and published by . This book was released on 1954 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Test Methods for De-Icer Scaling Resistance of Concrete by : Dimitre Georgiev Vassilev
Download or read book Evaluation of Test Methods for De-Icer Scaling Resistance of Concrete written by Dimitre Georgiev Vassilev and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Public Roads written by and published by . This book was released on 1964 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Highway Progress by : United States. Bureau of Public Roads
Download or read book Highway Progress written by United States. Bureau of Public Roads and published by . This book was released on 1962 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NRMCA Publication by : National Ready Mixed Concrete Association
Download or read book NRMCA Publication written by National Ready Mixed Concrete Association and published by . This book was released on 1961 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Highway Research Record written by and published by . This book was released on 1971 with total page 1036 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Highway Research Record written by and published by . This book was released on 1963 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bulletin - Highway Research Board by : National Research Council (U.S.). Highway Research Board
Download or read book Bulletin - Highway Research Board written by National Research Council (U.S.). Highway Research Board and published by . This book was released on 1962 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review of Literature on Air-entrained Concrete by : Patrick H. Torrans
Download or read book Review of Literature on Air-entrained Concrete written by Patrick H. Torrans and published by . This book was released on 1968 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Crack Resistance and Other Characteristics of Concrete Containing Air-entraining Agents by : Edward George Herb
Download or read book Crack Resistance and Other Characteristics of Concrete Containing Air-entraining Agents written by Edward George Herb and published by . This book was released on 1948 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transportation Research Abstracts by :
Download or read book Transportation Research Abstracts written by and published by . This book was released on 1963 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Highway Research Abstracts written by and published by . This book was released on 1963 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bulletin by : National Research Council (U.S.). Highway Research Board
Download or read book Bulletin written by National Research Council (U.S.). Highway Research Board and published by . This book was released on 1962 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers presented at the Highway Research Board's annual meeting.
Book Synopsis Properties of Air Bubbles in Air Entrained Concrete by : Le Tuan Pham
Download or read book Properties of Air Bubbles in Air Entrained Concrete written by Le Tuan Pham and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is widely accepted that air entrainment, a purposeful introduction of small air bubbles in concrete, is critical to the long-term durability of concrete in freeze-thaw environments. Air entraining admixtures (AEA) are added to the mixture to stabilize air bubbles created during mixing, ensuring a proper air void system in the hardened concrete. Despite the complexity of creating a suitable air void system in concrete, previous study and experience established the reliability and robustness of such systems under a variety of conditions through use of neutralized vinsol resin (NVR) AEA products. In recent years, synthetic AEAs have been used more frequently due to limited supply of NVR to the concrete industry. With the use of synthetic AEAs, there are more reports of new problems including difficulties in accurately measuring the air content. This study was conducted to find the root cause of the increasing difficulties in controlling the air contents in portland cement concrete associated with synthetic AEAs. Main challenges included the lack of existing techniques to evaluate AEAs and air bubbles in concrete, and lack of data to help identify causes. Given these challenges, a multi-scale experimental study that included testing of field and laboratory concrete, and testing of foam and individual air bubbles was undertaken. The results indicate that the disparity between QC test results and the actual air contents in concrete pavements associated with the use of synthetic AEAs could be attributed to less robust air bubbles stabilized with synthetic AEAs compared to those entrained with NVR and the resulting increased loss of these air bubbles during concrete sampling. The cause of this decreased robustness and resulting air loss was traced directly to the properties of the bubble shells. The shells of air bubbles in concrete entrained with synthetic AEAs were thinner and less stiff than those associated with an NVR AEA. Through this research new test protocols were developed to measure stiffness and thickness of the shell of air bubbles extracted from cement paste and to quantify stability of foams of AEAs in a cementitious environment. These tests could be used by researchers and practitioners who are interested in developing new admixtures and/or identifying admixtures with undesirable performance.