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Author : A. C. Edwards
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (359 download)
Download or read book The Use of Accelerated Strength Tests for the Site Control of Concrete written by A. C. Edwards and published by . This book was released on 1972 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A.C. Edwards
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (11 download)
Download or read book The Use of Accelerated Strength Tests for the Site Control of Concrete by A.C.Edwards and R.E.Franklin written by A.C. Edwards and published by . This book was released on 1972 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.3/5 (91 download)
Download or read book Accelerated Strength Testing written by and published by . This book was released on 1978 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jeffrey Pollock Armstrong
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.:/5 (18 download)
Download or read book Accelerated Strength Tests for Quality Control of Concrete Pavements written by Jeffrey Pollock Armstrong and published by . This book was released on 1988 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.:/5 (89 download)
Download or read book Accelerated Strength Testing written by and published by . This book was released on 1978 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Steven A. Ragan
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.3/5 (91 download)
Download or read book Concrete Quality Assurance Using Accelerated Strength Testing written by Steven A. Ragan and published by . This book was released on 1984 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : MH. Wills
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (125 download)
Download or read book Chapter 13--Accelerated Strength Tests written by MH. Wills and published by . This book was released on 1978 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid construction practices throughout the concrete industry have brought increasing pressure on specifying agencies to assess the quality of concrete at an earlier age than 7 or 28 days after placement. Currently, the later age is still specified for compression tests of 152 by 304-mm (6 by 12-in.) cylinders of concrete as delivered to the job site in order to determine quality. During the 28-day period, it is not unusual for a multistory building to rise several floors before the strength tests are conducted. This situation is considered by many to be too precarious for construction to proceed on a sound technical basis and with adequate assurance of safety. Furthermore, extensive and costly delays are encountered when 28-day test results are low, since a field investigation may be necessary to verify the load-carrying capacity of the structure. Further delay is certain if concrete must be reinforced or replaced. Conversely, economics dictate that work continue without knowing quality, thus setting the stage for a catastrophic collision between advancing construction technology and the price owners are willing to pay for their capital facilities. Surely, an earlier assessment of concrete quality is absolutely essential.
Author : Oren G. Strom
Publisher :
ISBN 13 :
Total Pages : 87 pages
Book Rating : 4.:/5 (227 download)
Download or read book Accelerated Strength Testing of Lightweight Concrete Cylinders written by Oren G. Strom and published by . This book was released on 1965 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considerable effort has been made recently to develop an accelerated strength test for concrete, but virtually no work has been done with lightweight concrete or small cylindrical specimens. This work established that both conform satisfactorily to an accelerated strength test which can be conveniently employed for general concrete quality control. (Author).
Author : West Virginia. Department of Highways
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)
Download or read book Predicting Potential Strength of Portland Cement Concrete written by West Virginia. Department of Highways and published by . This book was released on 1978 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard W. Miller
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (359 download)
Download or read book Accelerated Strength Testing of Concrete written by Richard W. Miller and published by . This book was released on 1978 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. C. Edwards
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (255 download)
Download or read book The Use of Accerlerated Strength Tests for the Site Control of Concrete written by A. C. Edwards and published by . This book was released on 1972 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : ACI Committee 214
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (513 download)
Download or read book Use of Accelerated Strength Testing written by ACI Committee 214 and published by . This book was released on 1981 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gene Harold Schaller
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (276 download)
Download or read book Accelerated Strength Testing of Concrete written by Gene Harold Schaller and published by . This book was released on 1967 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : V. M. Malhotra
Publisher : Queen's Printer
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (129 download)
Download or read book Accelerated Test for Determining the 28-day Compressive Strength of Concrete written by V. M. Malhotra and published by Queen's Printer. This book was released on 1964 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Woodrow J. Halstead
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (1 download)
Download or read book Tests for Early Acceptance of Concrete written by Woodrow J. Halstead and published by . This book was released on 1985 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: A literature survey and limited study of laboratory concretes were conducted to evaluate various methods for predicting concrete strengths at 28 days based on procedures for accelerated strength development or measurement of strength of normally cured specimens at early ages. A review of the literature was also made to assess the usefulness of procedures for the direct determinations of water and cement contents in quality control of hydraulic cement concrete. It is concluded that although general relationships exist as reported in the literature, none of the procedures are sufficiently precise for use in quality control or acceptance testing by the Virginia Department of Highways & Transportation. The amount of calibration testing for projects normally built by the Department would be prohibitive. Any application of reduced pay factors for strength in a statistical specification must be based on tests made at the age designated in the specification. The literature survey shows that in their present state of development existing procedures for the direct determination of water and cement in plastic concrete are not sufficiently fast or precise to be useful for quality control of hydraulic cement concrete. It is recommended that further evaluation of such procedures by the Virginia Department of Highways and Transportation be deferred until results of studies now being made for the FHWA are available. The results of 14-day and 28-day tests on the same field concretes reveal that the ratio of strengths at these two ages often varies significantly from the assumed value of 0.85. Thus, it is recommended that the practice of accepting concrete on the basis of 14-day strengths be discontinued unless the value at 14 days is equal to the required value at 28 days.
Author : American Concrete Institute
Publisher :
ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.:/5 (318 download)
Download or read book Journal of the American Concrete Institute written by American Concrete Institute and published by . This book was released on 1981 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Road Federation
Publisher :
ISBN 13 :
Total Pages : 484 pages
Book Rating : 4.3/5 ( download)
Download or read book In-depth Study Reports from the World Survey of Current Research and Development on Roads and Road Transport written by International Road Federation and published by . This book was released on 1973 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
