Nuclear Testing For Density Control Of Concrete Pavement
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Nuclear Testing For Density Control Of Concrete Pavement
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Author : Richard Spalti
language : en
Publisher:
Release Date : 1978
Nuclear Testing For Density Control Of Concrete Pavement written by Richard Spalti and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Pavements categories.
Nuclear Testing For Density Control Of Concrete Pavement
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Author : Richard R. Spalti
language : en
Publisher:
Release Date : 1977
Nuclear Testing For Density Control Of Concrete Pavement written by Richard R. Spalti and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Pavements, Concrete categories.
Nuclear Testing For Density Control Of Concrete Pavement
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Author : Richard R. Spalti
language : en
Publisher:
Release Date : 1977
Nuclear Testing For Density Control Of Concrete Pavement written by Richard R. Spalti and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Pavements, Concrete categories.
Nuclear Testing Of Asphaltic Concrete Pavement And Soil Subgrades
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Author : National Research Council (U.S.). Highway Research Board
language : en
Publisher:
Release Date : 1962
Nuclear Testing Of Asphaltic Concrete Pavement And Soil Subgrades written by National Research Council (U.S.). Highway Research Board and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Asphalt categories.
Paper 1: The nuclear method of density determination can be applied successfully to density measurements of bituminous pavement. Paper 2: A description is given of the investigation made by the Colorado Department of Highways into the feasibility and practicality of using commercially available nuclear devices to perform moisture and density tests in the field on highway construction materials. The correlation found between nuclear and conventional methods is presented along with an explanation of the equipment and its basic functions.
Compaction Control Of Bituminous Concrete Using Nuclear Density Gauges
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Author : Jitesh Parikh
language : en
Publisher:
Release Date : 1990
Compaction Control Of Bituminous Concrete Using Nuclear Density Gauges written by Jitesh Parikh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Asphalt concrete categories.
Methods Of Compaction Control
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Author : Charles S. Hughes
language : en
Publisher:
Release Date : 1968
Methods Of Compaction Control written by Charles S. Hughes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with categories.
Quality Control Techniques
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Author :
language : en
Publisher:
Release Date : 1965
Quality Control Techniques written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Asphalt concrete categories.
Experience With A Mechanized Pavement Patching Machine In Colorado
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Author : Denis E. Donnelly
language : en
Publisher:
Release Date : 1980
Experience With A Mechanized Pavement Patching Machine In Colorado written by Denis E. Donnelly and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Pavements categories.
Density Measurement Verification For Hot Mix Asphalt Concrete Pavement Construction
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Author : Todd V. Scholz
language : en
Publisher:
Release Date : 2010
Density Measurement Verification For Hot Mix Asphalt Concrete Pavement Construction written by Todd V. Scholz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Asphalt concrete categories.
Oregon Department of Transportation (ODOT) requires a minimum density for the construction of dense-graded hot mix asphalt concrete (HMAC) pavements to ensure the likelihood that the pavement will not experience distresses that reduce the expected service life of the pavement. Currently, the ODOT Standard Specifications call for density measurements for both quality control and quality assurance testing to be made using nuclear density gauges that are calibrated using reference blocks. Hence, acceptance (i.e., purchase) of the HMAC pavement (or portions thereof) relies on the accuracy of the measurements. However, it has been observed that density measurement results using nuclear gauges have been questionable on a number of projects and that repeatability and reproducibility with the same gauge and between gauges have also been unattainable. Further, these observations have called into question the confidence placed in the use of nuclear gauges for determining HMAC pavement density. The overall objective of the project was to recommend a system that accurately quantifies density of dense-graded HMAC pavements. This involved critically evaluating how ODOT currently measures HMAC density, investigating and evaluating what other agencies do to measure HMAC density, and conducting testing and analysis of alternate ways of measuring HMAC density (e.g., by measuring the density of cores). Statistical analyses comparing nuclear gauge measurements to core densities provided convincing evidence that correlation of nuclear gauge measurements to core densities is necessary to ensure accurate results from nuclear gauges. Analyses comparing correlation factors across lifts of pavements constructed under three differing construction scenarios provided strong evidence to suggest correlation factors established for one lift can be used on other lifts under certain constraints. Correlations are recommended for all gauges on each lift and whenever a new mix design is introduced. ODOT should implement use of the CoreLok device for measuring densities of pavement cores and laboratory-prepared specimens as well as further investigate the use of electromagnetic gauges for in-place HMAC density measurement.
Evaluation Of New Asphalt Concrete Density Specification
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Author : G. W. Maupin
language : en
Publisher:
Release Date : 1988
Evaluation Of New Asphalt Concrete Density Specification written by G. W. Maupin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Asphalt concrete categories.
The purpose of this investigation was to evaluate a new asphalt concrete density specification that utilizes a nuclear gauge and a control strip technique. The specification was studied on two field projects, and recommendations were made to improve it. The recommendations were to eliminate the correction factor, increase the number of density determinations, adopt a uniform policy in establishing the Marshall density, and provide instruction concerning roller patterns.