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Author : David R. Reidenouer
Publisher :
ISBN 13 :
Total Pages : 63 pages
Book Rating : 4.:/5 (133 download)
Download or read book Air Content of Plastic and Hardened Concrete written by David R. Reidenouer and published by . This book was released on 1974 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. W. Muethel
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (326 download)
Download or read book Investigation of the Air Content of Plastic Vs Hardened Concrete written by R. W. Muethel and published by . This book was released on 1995 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Albert Dennis Mitchell
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (396 download)
Download or read book Investigation of Hardened Portland Cement Concrete Air Content Using Plastic and Semi-hardened Values written by Albert Dennis Mitchell and published by . This book was released on 1991 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. E. McCoy (Jr.)
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (359 download)
Download or read book High-pressure Test for Determining Air Content of Hardened Concrete written by E. E. McCoy (Jr.) and published by . This book was released on 1958 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (891 download)
Download or read book Field Study of Air Content Stability in the Slipform Paving Process written by and published by . This book was released on 2012 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study evaluated the impacts of construction on the air content and air-void system structure of Portland cement concrete pavements. The primary intent was to quantify the air content of fresh concrete before and after it has gone through the slipform paver. The air-void system parameters of hardened concrete were then assessed using cast and extracted core specimens. The results of the air content testing on fresh concrete and the concrete cylinder specimens cast in the field suggested that there is some loss of air as the concrete passes through the paver. Laboratory testing performed on cores extracted from the pavement did not provide any conclusive evidence that entrained air is lost during the slipform paving process. In fact, many of the extracted cores had measured air content values that were much higher than the specification requirement. If excessive, this could result in increased permeability and low-strength related issues. Although a rigorous statistical analysis was not performed, the results suggest that the air content testing on fresh concrete is not capturing the true air content of the concrete placed with a slipform paver. The fresh concrete air content is generally lower than the air content measured in the cores.
Author : Todd Hanson
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Plastic Air Content Versus Hardened Air Content by High Pressure Air Meter written by Todd Hanson and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plastic air content is typically tested by the pressure method, ASTM C138. Loss of air content through the paver has been shown to exceed 2 percent at times. Research has shown that early deterioration of pavements in Iowa may be directly or indirectly related to low or inadequate air content. Hardened air content is typically checked using the linear traverse method, ASTM C457. The linear traverse method is very time consuming and could not be used on a production scale. A quick and effective method of testing in place air content is needed. Research has shown a high degree of correlation with the high-pressure method of determining air content of hardened concrete versus plastic air content in laboratory conditions. This research indicated that air contents are more variable when comparing core results to plastic air content, although the overall average for the air content was comparable. Perhaps, the location of the plastic air content test, obtained from construction records, versus location of the cores was not as accurate as needed.
Author : Gregory Allen Browning
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (764 download)
Download or read book Optimum Air Content Range in the Plastic and Hardened State for TDOT Class D Portland Cement Concrete written by Gregory Allen Browning and published by . This book was released on 2011 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph F. Lamond
Publisher : ASTM International
ISBN 13 : 0803133677
Total Pages : 661 pages
Book Rating : 4.8/5 (31 download)
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:
Author : David Whiting
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.E/5 ( download)
Download or read book Manual on Control of Air Content in Concrete written by David Whiting and published by . This book was released on 1998 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John S. Lawler
Publisher : Transportation Research Board
ISBN 13 : 0309098971
Total Pages : 130 pages
Book Rating : 4.3/5 (9 download)
Download or read book Guidelines for Concrete Mixtures Containing Supplementary Cementitious Materials to Enhance Durability of Bridge Decks written by John S. Lawler and published by Transportation Research Board. This book was released on 2007 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: NCHRP Report 566 is designed to help facilitate the use of supplementary cementitious materials to enhance durability of concrete used in highway construction, especially bridge decks. The report includes a methodology for selecting optimum concrete mixture proportions that focuses on durability aspects of concrete and the performance requirements for specific environmental conditions. The methodology is presented in a text format and as a computational tool, in the form of a Visual Basic?driven Microsoft Excel spreadsheet. Background information and a hypothetical case study was published as NCHRP Web-Only Document 110: Supplementary Cementitious Materials to Enhance Durability of Concrete Bridge Decks. The Statistical Experimental Design for Optimizing Concrete (SEDOC), the computational tool for the concrete mixture optimization methodology, and the user?s guide are available in a ZIP format for download.
Author : David Whiting
Publisher : Transportation Research Board National Research
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (359 download)
Download or read book Control of Air Content in Concrete written by David Whiting and published by Transportation Research Board National Research. This book was released on 1983 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Eggers
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (555 download)
Download or read book Air Void Analyzer for Plastic Concrete written by John Eggers and published by . This book was released on 2008 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bernard Erlin
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (198 download)
Download or read book Air Content of Hardened Concrete by a High-pressure Method written by Bernard Erlin and published by . This book was released on 1962 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : KH. Khayat
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (125 download)
Download or read book Comparison of Air Contents in Fresh and Hardened Concretes Using Different Airmeters written by KH. Khayat and published by . This book was released on 1991 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The air contents of several concrete mixtures were measured while the material was in a plastic state, and the results were compared to corresponding values determined microscopically on the same hardened concretes. Two volumetric airmeters, a roller and a mini airmeter, as well as a pressure airmeter were employed for monitoring the air content in fresh concrete. The linear traverse method was used to determine the air content of hardened concrete. A total of 21 laboratory-prepared concrete mixtures were examined. Both 10 and 25-mm (3/8 and 1-in.) nominal size aggregates of different densities were used to produce normal-weight and lightweight concretes. The water-cementitious materials ratios for the concretes ranged between 0.23 and 0.53, and the cement content varied from 267 to 540 kg/m3 (450 to 910 lb/yd3), with silica fume incorporated in some concretes. An air-entraining agent was used to yield air contents between 0.5 and 12.5%.
Author :
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (359 download)
Download or read book Petrographic Examination for Hardened Concrete written by and published by . This book was released on 1955 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. H. Best
Publisher : ASTM International
ISBN 13 : 9780803106123
Total Pages : 886 pages
Book Rating : 4.1/5 (61 download)
Download or read book Significance of Tests and Properties of Concrete and Concrete-Making Materials written by C. H. Best and published by ASTM International. This book was released on 1985-02 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul Klieger
Publisher : ASTM International
ISBN 13 : 0803120532
Total Pages : 621 pages
Book Rating : 4.8/5 (31 download)
Download or read book Significance of Tests and Properties of Concrete and Concrete-making Materials written by Paul Klieger and published by ASTM International. This book was released on 1994 with total page 621 pages. Available in PDF, EPUB and Kindle. Book excerpt:
