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Tests And Evaluation Of Portland And Blended Cements For Resistance To Sulfate Attack
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Book Synopsis Tests and Evaluation of Portland and Blended Cements for Resistance to Sulfate Attack by : K. Mather
Download or read book Tests and Evaluation of Portland and Blended Cements for Resistance to Sulfate Attack written by K. Mather and published by . This book was released on 1978 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes briefly foui types of sulfate attack on hy- drated cement. It summarizes the history of the activities of ASTM Committee C-l on Cement in investigation of tests for sulfate resistance of hydraulic ce- ments, and it looks forward to the production of a satisfactory test for the sulfate resistance of blended cements.
Book Synopsis Comparison of Methods for Estimation of Tricalcium Aluminate Content of Portland Cement in Connection with the Evaluation of Potential Sulfate Resistance by :
Download or read book Comparison of Methods for Estimation of Tricalcium Aluminate Content of Portland Cement in Connection with the Evaluation of Potential Sulfate Resistance written by and published by . This book was released on 1957 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A New Test for Sulfate Resistance of Cements by : PK. Mehta
Download or read book A New Test for Sulfate Resistance of Cements written by PK. Mehta and published by . This book was released on 1974 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sulfate attack on concrete can either be of expansion-cracking type due to ettringite formation or of surface deterioration type due to acidic nature of sulfate solutions. The present test methods for determining sulfate resistance generally evaluate the expansive attack phenomenon. Since low C3A portland cements are not susceptible to this type of attack, new methods need to be developed to test the long-time resistance of these cements to the acidic type of sulfate attack. An attempt to develop a laboratory method involving immersion of small specimens of cement paste in a sulfate solution held at constant pH is described. Preliminary results are given for five different types of cements tested in accordance with the new method.
Book Synopsis A Preliminary Report on Blended Portland Cement by : Edgar Scott McCandliss
Download or read book A Preliminary Report on Blended Portland Cement written by Edgar Scott McCandliss and published by . This book was released on 1917 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of the Potential Sulfate Resistance of Ten Portland Cements by : Waterways Experiment Station (U.S.)
Download or read book Investigation of the Potential Sulfate Resistance of Ten Portland Cements written by Waterways Experiment Station (U.S.) and published by . This book was released on 1958 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sulfate Resistance of Blended Cements by : Kevser Duru Gölalmis
Download or read book Sulfate Resistance of Blended Cements written by Kevser Duru Gölalmis and published by LAP Lambert Academic Publishing. This book was released on 2010-06 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Among the various mechanisms affecting the durability of concrete, external sulfate attack was first identified in the early 1900s, and led to the discovery of sulfate resistant Portland cement (SRPC). Besides SRPC, another way of coping with the problem of sulfate attack is the use of supplementary cementitious materials either as an admixture to concrete or in the form of blended cements. This book presents an investigation on the sulfate resistance of blended cements containing different amounts of natural pozzolan and/or low-lime fly ash compared to ordinary Portland cement and sulfate resistant Portland cement. The effect of permeability as controlled by w/c on the sulfate resistance is also investigated. In addition, this book includes a thorough review of the literature for mechanism, types of sulfate attack (internal, external, physical, chemical), and factors affecting the sulfate attack.
Book Synopsis Investigation of Portland Blast-furnace Slag Cements by : Bryant Mather
Download or read book Investigation of Portland Blast-furnace Slag Cements written by Bryant Mather and published by . This book was released on 1965 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :SYMPOSIUM ON CEMENT STANDARDS-EVOLUTION AND TRENDS ( 1977 : ST. LOUIS) AUTOR Publisher :ASTM International ISBN 13 :9780803102989 Total Pages :117 pages Book Rating :4.1/5 (29 download)
Book Synopsis Cement Standards, Evolution and Trends by : SYMPOSIUM ON CEMENT STANDARDS-EVOLUTION AND TRENDS ( 1977 : ST. LOUIS) AUTOR
Download or read book Cement Standards, Evolution and Trends written by SYMPOSIUM ON CEMENT STANDARDS-EVOLUTION AND TRENDS ( 1977 : ST. LOUIS) AUTOR and published by ASTM International. This book was released on 1978 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Field and Laboratory Studies of the Sulfate Resistance of Concrete by : Bryant Mather
Download or read book Field and Laboratory Studies of the Sulfate Resistance of Concrete written by Bryant Mather and published by . This book was released on 1967 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Test Methods to Evaluate the Sulfate Resistance of Concretes Containing Pozzolans by : Guillermo Castellanos G.
Download or read book Development of Test Methods to Evaluate the Sulfate Resistance of Concretes Containing Pozzolans written by Guillermo Castellanos G. and published by . This book was released on 1954 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methods of Testing Portland and Blended Cements. Method 14 by :
Download or read book Methods of Testing Portland and Blended Cements. Method 14 written by and published by . This book was released on 1996 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard sets out the method for the determination of length change of mortar bars of defined composition immersed in a sodium sulfate solution. The length change is taken as a measure of the sulfate resistance of portland and blended cement.
Book Synopsis Characterization of Four Class H High Sulfate-resistant Portland Cements by : Alan D. Buck
Download or read book Characterization of Four Class H High Sulfate-resistant Portland Cements written by Alan D. Buck and published by . This book was released on 1985 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: As part of the materials selection process for underground repository sealings of nuclear wastes, all available Class H high sulfate-resistant (HSR) portland cements that were commercially available in the United States in 1981 were obtained for testing and evaluation. Four such cements were found. The Class H designation is that used by the American Petroleum Institute; the HSR type is similar to a Type V portland cement as described in ASTM C 150 in that it is intended to impart high sulfate resistance to the cement by the absence or near absence of calculated tricalcium aluminate. Each cement was characterized by a combination of chemical-physical testing and X-ray diffraction examination; it was concluded that all were generally similar and could be interchanged if such a need arose.
Book Synopsis Bibliography on Sulfate Resistance of Portland Cements, Concretes, and Mortars by : Dalton Giles Miller
Download or read book Bibliography on Sulfate Resistance of Portland Cements, Concretes, and Mortars written by Dalton Giles Miller and published by . This book was released on 1952 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Resistance to Sulfate Attack of Concrete Using Special Cements as Compared with Concrete Using Type V Sulfate-resisting Cement by :
Download or read book Resistance to Sulfate Attack of Concrete Using Special Cements as Compared with Concrete Using Type V Sulfate-resisting Cement written by and published by . This book was released on 1961 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis External Sulfate Attack of Concrete by : Federico Macias Aguayo Jr.
Download or read book External Sulfate Attack of Concrete written by Federico Macias Aguayo Jr. and published by . This book was released on 2016 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sulfate attack of concrete is perhaps the least understood of the major durability mechanisms plaguing reinforced concrete infrastructures. Many studies have attempted to better understand the underlying mechanisms in which the various modes of deterioration by sulfate attack manifest; however, several controversies still exist. Moreover, ASTM C 1012 (2012), which is the most commonly referred standardized laboratory test method to determine sulfate resistance of blended portland cement mixtures, does not always link well to field performance and may take up to 18 months to complete. The research program presented in this dissertation investigates various issues pertaining to the mechanisms, testing methods, and factors influencing external sulfate attack. The primary focus of this research study was to investigate and propose a reliable, and innovative accelerated test method to evaluate the sulfate performance using concrete specimens. The research program was divided into the following four key components: (1) design a method that can obtain results within a reasonable timeframe (less than six months); (2) design a method that uses concrete specimens and thus links more closely to field performance; (3) develop a better understanding on the role and mechanisms of sulfate attack on concrete through a comprehensive research program including field and laboratory investigations; and (4) investigate the use of calcium sulfate (gypsum) used as an additive to mitigate the potential of sulfate attack in blended portland cement mixtures using high-calcium fly ash. The findings in this dissertation led to the development of a potential accelerated test method for determining sulfate resistance by vacuum impregnating concrete (or mortar) samples with sulfate solution to accelerate the ingress and onset of chemical reactions between the hydrated cement paste and sulfate ion (SO42-). The effects of binder type, water-to-cementitious ratio (w/cm), curing regime, sulfate type and concentration are examined. In comparison to the conventional ASTM C 1012 method, results showed a higher rate of expansion with significant distress observed in samples subjected to the accelerated test method and placed in a 5% Na2SO4 solution. Similar trends, but at a relatively lower expansion rate, were also observed in samples placed in a 0.89% Na2SO4 solution. Physical measurements, chemical analysis and microstructural studies were performed periodically on the specimens.
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 George Verbeck Symposium on Sulfate Resistance of Concrete by :
Download or read book George Verbeck Symposium on Sulfate Resistance of Concrete written by and published by . This book was released on 1982 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
