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Freezing And Thawing Resistance Of High Strength Concrete
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Book Synopsis Freezing and Thawing Resistance of High-strength Concrete by : Robert E. Philleo
Download or read book Freezing and Thawing Resistance of High-strength Concrete written by Robert E. Philleo and published by . This book was released on 1986 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent developments have made a new generation of high-strength concrete a viable material for routine construction. The two principal developments are high-range water-reducing admixtures, which permit the placement of concrete of very low water-cement ratio, and silica fume, a pozzolan of extremely high fineness. The advent of this high- strength concrete has put requirements for strength and durability in conflict. Because entrained air reduces the strength of concrete, builders seek to eliminate or limit the use of entrained air. There are those who argue that high-strength concrete is of such a quality that entrained air is unnecessary. Much of the high-strength concrete currently being used is in buildings, where the question of durability is minor. The question, however, cannot be avoided in exposed highway structures. Service records of non-air-entrained high-strength concrete exposed to freezing are not conclusive. Hence, this report synthesizes the available knowledge on the subject. Its aim is to provide guidance to those who wish to use high-strength concrete in typical highway applications and to indicate where further information is needed.
Book Synopsis Mechanical Properties and Freezing and Thawing Resistance of High-Strength Concrete Incorporating Silica Fume by : VM. Malhotra
Download or read book Mechanical Properties and Freezing and Thawing Resistance of High-Strength Concrete Incorporating Silica Fume written by VM. Malhotra and published by . This book was released on 1987 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents results of an investigation dealing with the mechanical properties and freezing and thawing resistance of high-strength, silica fume concrete using ASTM Test Method for Resistance of Concrete to Rapid Freezing and Thawing (C 666-84, Procedure A). Eighteen nonair-entrained and six air-entrained concrete mixtures, 0.06 m3 in size, were made. The water-to-(cement + silica fume) ratio (W/C + S) of the mixtures ranged from 0.25 to 0.36, and the percentages of cement replacement by silica fume were 0, 10, and 20% on a weight basis. Any loss in slump due to the use of silica fume was compensated for by the use of a superplasticizer.
Book Synopsis Freeze-Thaw Durability of Concrete by : J. Marchand
Download or read book Freeze-Thaw Durability of Concrete written by J. Marchand and published by CRC Press. This book was released on 2004-03-01 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concrete durability in climates where freezing and thawing occurs is a continuing problem. It is particularly acute for highway and bridge structures, where de-icing salts are used to combat the effects of frost, snow and ice. These salts can cause damage to concrete and accelerate corrosion of reinforcements. This book presents the latest international research on this area, with contributions from North America and Europe which were presented at an international RILEM workshop.
Book Synopsis Freezing-and-thawing Tests of Concretes of Various Strengths and Air Contents by : E. C. Roshore
Download or read book Freezing-and-thawing Tests of Concretes of Various Strengths and Air Contents written by E. C. Roshore and published by . This book was released on 1967 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Freeze-thaw Durability of High-strength Concrete by : Roxanne C. Kreisel
Download or read book Freeze-thaw Durability of High-strength Concrete written by Roxanne C. Kreisel and published by . This book was released on 1998 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents freeze-thaw durability results of an investigation regarding the application of high performance concrete (HPC) to prestressed bridge girders. This study included a total of 30 concrete mixes and more than 130 specimens, with the following variables: aggregate type: round river gravel, partially-crushed gravel, granite, high-absorption limestone, and low-absorption limestone; cementitious material composition: Type III portland cement only, 20% fly ash, 7.5% silica fume, and combination of 20% fly ash with 7.5% silica fume replacement by weight of cement; and curing condition: heat-cured or seven-day moist-cured.
Book Synopsis Strategies for Enhancing the Freeze-thaw Durability of Portland Cement Concrete Pavements by : Steven. M. Cramer
Download or read book Strategies for Enhancing the Freeze-thaw Durability of Portland Cement Concrete Pavements written by Steven. M. Cramer and published by . This book was released on 2001 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Frost Resistance of High-performance Concrete by : Kevin Joseph Folliard
Download or read book Frost Resistance of High-performance Concrete written by Kevin Joseph Folliard and published by . This book was released on 1995 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Resistance of Very High Strength Concrete to Rapid Freeze and Thaw Cycles by : Ahmed Mohamed
Download or read book Resistance of Very High Strength Concrete to Rapid Freeze and Thaw Cycles written by Ahmed Mohamed and published by . This book was released on 2010 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies the effect of exposing very high strength concrete (VHSC) specimens to rapid freeze and thaw cycles. Performs one hundred freeze and thaw cycles on twenty-one VHSC beam specimens, testing according to the Standards of the American Society for Testing and Materials ASTM C215, ASTM C666, and ASTM C78. Records the changes in the specimens' properties of dimensions of the cross sections, length, weight, dynamic modulus of elasticity using transverse and longitudinal modes, dynamic modulus of rigidity, Poisson's ratio, and modulus of rupture at zero, forty, seventy, and one hundred cycles.
Book Synopsis Frost Resistance of Concrete by : R Auberg
Download or read book Frost Resistance of Concrete written by R Auberg and published by CRC Press. This book was released on 2004-03-01 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book forms the proceedings of the international workshop to be held in Essen, Germany. This workshop summarises the conclusion of the technical committee's investigations into the resistance of concrete to freeze-thaw attack, specific in this to resistance with or without de-icing chemicals. It presents the RILEM recommendations on testing the freeze-thaw and de-icing salt resistance of concrete.
Book Synopsis Freezing-and-and Thawing Resistance of High-strength Lightweight Concrete Using Silica Fume by : Y. Tazawa
Download or read book Freezing-and-and Thawing Resistance of High-strength Lightweight Concrete Using Silica Fume written by Y. Tazawa and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Resistance of Preplaced-aggregate Concrete to Freezing and Thawing by : William O. Tynes
Download or read book Investigation of Resistance of Preplaced-aggregate Concrete to Freezing and Thawing written by William O. Tynes and published by . This book was released on 1968 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Resistance of Concrete to Freezing and Thawing by : Donald J. Janssen
Download or read book Resistance of Concrete to Freezing and Thawing written by Donald J. Janssen and published by Strategic Highway Research Program (Shrp). This book was released on 1994 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study, aimed at improving the freeze-thaw resistance of concrete, consists of three parts. Part I evaluates parameters affecting the freeze-thaw durability of concrete. A modification of the existing standard of method for determining the durability factor of concrete specimens is proposed, and a new procedure for fundamental transverse frequency (used in durability factor calculations) has been developed. Part II focuses on developing better methods for identifying nondurable aggregates, and has resulted in a rapid new test based on the hydraulic fracture of aggregates. Part III describes field experiments to evaluate the freeze-thaw resistance of a number of specified concrete mixes and the use of sealants to mitigate D-cracking. Preliminary field performance results are presented.
Book Synopsis Resistance to Freezing and Thawing Cycles and Scaling Resistance of Very High Early Strength Concrete by : MA. Kurtz
Download or read book Resistance to Freezing and Thawing Cycles and Scaling Resistance of Very High Early Strength Concrete written by MA. Kurtz and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: A very high early strength portland cement-based concrete (VHES) is used to prevent long closures of highway lanes by completing any necessary repairs overnight. This technology has been embraced by several DOT agencies, including those in areas where the concrete will be subjected to freezing and thawing cycles. Flexural strength of VHES concrete is the critical parameter to permit traffic flow without damage to the concrete. It is possible to produce air-entrained rapid repair concrete, but this places higher requirements on the mixture proportions to overcome strength reduction caused by the presence of air. This article presents data showing that it is possible to attain the necessary strength and achieve adequate resistance to freezing and thawing cycles. The evidence presented includes accelerated testing using ASTM C 666, Procedure A, and scaling resistance using ASTM C 672. Additional evidence is presented showing that VHES concrete of low w/c can be durable with larger than acceptable spacing factor levels or without air entrainment.
Book Synopsis High-Strength Concrete by : Michael A. Caldarone
Download or read book High-Strength Concrete written by Michael A. Caldarone and published by CRC Press. This book was released on 2014-04-21 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical book from a highly experienced author presents clearly the means and methods for designing, producing and using high-strength concrete. High-strength concrete offers many benefits. Higher compressive strengths allow for a reduction in the cross-sectional dimensions of columns and walls in buildings. Its greater stiffness allows for increasing building heights while controlling sway and occupant comfort. Civil structures such as bridges have benefited from greater span lengths, shallower beam sections, wider girder spacing, and extended service life. Illustrated with real life examples, through documented case histories, High-Strength Concrete will be a valuable resource for contractors, producers, inspection agencies, as well as engineers and researchers.
Book Synopsis Investigation of High-strength Frost-resistant Concrete by : William O. Tynes
Download or read book Investigation of High-strength Frost-resistant Concrete written by William O. Tynes and published by . This book was released on 1975 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Freeze-thaw Durability of High-strength Concrete by : Roxanne Coleen Kriesel
Download or read book Freeze-thaw Durability of High-strength Concrete written by Roxanne Coleen Kriesel and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Data Analysis written by Siegmund Brandt and published by Springer Science & Business Media. This book was released on 2014-02-14 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fourth edition of this successful textbook presents a comprehensive introduction to statistical and numerical methods for the evaluation of empirical and experimental data. Equal weight is given to statistical theory and practical problems. The concise mathematical treatment of the subject matter is illustrated by many examples and for the present edition a library of Java programs has been developed. It comprises methods of numerical data analysis and graphical representation as well as many example programs and solutions to programming problems. The book is conceived both as an introduction and as a work of reference. In particular it addresses itself to students, scientists and practitioners in science and engineering as a help in the analysis of their data in laboratory courses, in working for bachelor or master degrees, in thesis work, and in research and professional work.
