Download or read book Development of Instrument for Non destructive Measurement of Concrete Pavement Thickness written by Joe R. Canfield and published by . This book was released on 1967 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Nondestructive Device for Measuring the Thickness of Concrete Pavements written by and published by . This book was released on 2005 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rapid Measurement of Concrete Pavement Thickness and Reinforcement Location written by William G. Weber and published by Transportation Research Board National Research. This book was released on 1976 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents and presents the results of a study that evaluated currently available nondestructive testing systems that appeared to have potential for supplementing or replacing coring in determining concrete pavement thickness and reinforcement location. The evaluation was done primarily in the field. The principal work consisted of the systems under on-the-job conditions on eight paving projects in six states. The measurement technique were employed in conjunction with statistical acceptance criteria evolved in the course of the study.
Download or read book Highway Research and Development Studies Using Federal aid Research and Planning Funds written by and published by . This book was released on 1964 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Highway Research Development Studies written by United States. Bureau of Public Roads. Office of Research and Development and published by . This book was released on 1968 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Highway Research and Development Studies Using Federal aid Research and Planning Funds Fiscal Year 1967 Or Calendar Year 1966 in Progress as of July 1 1966 written by United States. Bureau of Public Roads and published by . This book was released on 1966 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Development of Ultrasonic Nondestructive Testing Instrumentation to Measure Pavement Thickness written by Matthew J. Golis and published by . This book was released on 1963 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluation of the Soniscope for Nondestructive Testing of Portland cement Concrete Pavements written by George M. Pace and published by . This book was released on 1966 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents the results obtained from the soniscope instrument for use in the nondestructive testing of portland-cement concrete pavements. Essentially, the instrument was tested to determine if consistent velocity measurements could be obtained with the transducers in a position vertical on the prestressed, reinforced, and plain concrete pavements. Also, of interest during the investigation was the maximum distance through portland-cement concrete for which consistent velocity measurements could be obtained. (Author).
Download or read book Highway Research Development Studies Using Federal aid Research and Planning Funds Fiscal Year 1965 Or Calendar Year 1965 written by United States. Bureau of Public Roads and published by . This book was released on 1965 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluation Procedures for the Determination of Concrete Pavement Thickness and Reinforcement Location written by W. G. Weber and published by . This book was released on 1973 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Government wide Index to Federal Research Development Reports written by and published by . This book was released on 1967 with total page 1352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Development of Ultrasonic Nondestructive Testing Instrumentation to Measure Pavement Thickness written by Robert Charles McMaster and published by . This book was released on 1962 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Maintenance and Preservation of Concrete Structures written by Tony C. Liu and published by . This book was released on 1978 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Highway Research and Development Studies in Progress as of July 1 1969 Using Federal aid Research and Planning Funds written by and published by . This book was released on 1969 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Development of Ultrasonic Nondestructive Testing Instrumentation to Measure Pavement Thickness written by H. Mailer and published by . This book was released on 1970 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Use of the Impact echo Method in Nondestructive Measurements of the Thickness of New Concrete Pavements written by Gerardo G. Clemeña and published by . This book was released on 1995 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nondestructive impact-echo (IE) method offers a simple means for introducing compressional stress waves into a concrete element or slab and measuring the resonance frequencies associated with the reflections of the waves from any internal voids and the bottom of the slab. It is relatively effective for detecting internal voids or delaminations in concrete, which is the application for which it was developed. It may also be possible to use the method for indirect measurement of the thickness of a slab if the wave propagation velocity in the concrete is known. This study was conducted to determine whether the IE method, by itself, could replace the use of coring for quality-assurance measurements of the thickness of concrete slabs in newly built pavements. The results from tests conducted on three pavemems indicated that the wave velocity varied so much, not only between pavements but also within a pavement, that unacceptable errors can result when an average velocity is determined (through limited coring) for a pavemem and subsequently assumed for the entire pavement. To reduce the error to an acceptable level, the wave velocity at any test location must be measured to within an acceptable accuracy by another independent method. In pursuit of this approach, an indirect-transmission procedure based on ultrasonic (UT) measurement was incorporated and tested. This combined IE/UT procedure was able to measure thickness with absolute errors of 5 mm in one pavement and 7 mm in another, at a 90% probability. These results can be considered encouraging since the current procedure requires that the length of a core reported to the nearest 3 mm be the average of several measurements around the core and, in some cores, these measurements can have a spread of as much as 13 mm. In addition, it is expected that these errors can be reduced easily with the use of a transducer with a smaller contact face that would be less sensitive to roughness on the surface of grooved concrete pavements.
Download or read book Highway Research and Development Studies Using Federal aid Research and Planning Funds Fiscal Year 1968 Or Calendar Year 1967 in Progress as of July 1 1967 written by and published by . This book was released on 1967 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
