Non Nuclear Methods For Compaction Control Of Unbound Materials PDF Download
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Author | : |
Publisher | : |
Total Pages | : 157 |
Release | : 2014 |
Genre | : Compacting |
ISBN | : |
Download Non-nuclear Methods for Compaction Control of Unbound Materials Book in PDF, ePub and Kindle
"Proper compaction of unbound materials, such as soils, aggregate, and recycled materials, is a critical component in the performance of highway pavements and embankments. The most commonly used device to test for proper compaction is the nuclear density gauge. However, due to the costs associated with regulatory compliance and radiation safety training, there is an increased effort to find acceptable non-nuclear devices. This synthesis documents information on national and international experience with non-nuclear devices and methods for measuring compaction of unbound materials. Information used in this study was gathered through a literature review, a survey of state departments of transportation (DOTs) and Canadian provincial transportation agencies, and interviews with selected state DOTs. Munir Nazzal, Ohio University, Athens, collected and synthesized the information and wrote the report. The members of the topic panel are acknowledged on the preceding page. This synthesis is an immediately useful document that records the practices that were acceptable with the limitations of the knowledge available at the time of its preparation. As progress in research and practice continues, new knowledge will be added to that now at hand."--Preface.
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Total Pages | : |
Release | : 2014 |
Genre | : Electronic book |
ISBN | : |
Download Non-Nuclear Methods for Compaction Control of Unbound Materials Book in PDF, ePub and Kindle
Author | : Brad W. Rister |
Publisher | : |
Total Pages | : 0 |
Release | : 2021 |
Genre | : Roads |
ISBN | : |
Download Non-nuclear Methods for Compaction Control of Unbound Soil and Granular Layers Book in PDF, ePub and Kindle
Author | : Ellen M. Rathje |
Publisher | : |
Total Pages | : 129 |
Release | : 2006 |
Genre | : Pavements |
ISBN | : |
Download Evaluation of Non-nuclear Methods for Compaction Control Book in PDF, ePub and Kindle
Author | : D. Manzanal |
Publisher | : IOS Press |
Total Pages | : 3344 |
Release | : 2015-12-11 |
Genre | : Technology & Engineering |
ISBN | : 1614996032 |
Download From Fundamentals to Applications in Geotechnics Book in PDF, ePub and Kindle
The work of geotechnical engineers contributes to the creation of safe, economic and pleasant spaces to live, work and relax all over the world. Advances are constantly being made, and the expertise of the profession becomes ever more important with the increased pressure on space and resources. This book presents the proceedings of the 15th Pan-American Conference on Soil Mechanics and Geotechnical Engineering (XV PCSMGE), held in Buenos Aires, Argentina, in November 2015. This conference, held every four years, is an important opportunity for international experts, researchers, academics, professionals and geo-engineering companies to meet and exchange ideas and research findings in the areas of soil mechanics, rock mechanics, and their applications in civil, mining and environmental engineering. The articles are divided into nine sections: transportation geotechnics; in-situ testing; geo-engineering for energy and sustainability; numerical modeling in geotechnics; foundations and ground improvement; unsaturated soil behavior; embankments, dams and tailings; excavations and tunnels; and geo-risks, and cover a wide spectrum of issues from fundamentals to applications in geotechnics. This book will undoubtedly represent an essential reference for academics, researchers and practitioners in the field of soil mechanics and geotechnical engineering. In this proceedings, approximately 65% of the contributions are in English, and 35% of the contributions are in Spanish or Portuguese.
Author | : Ruth Elisheva Tobin |
Publisher | : |
Total Pages | : 210 |
Release | : 2006 |
Genre | : |
ISBN | : |
Download Assessment of Rapid, Non-nuclear Compaction Control Devices Book in PDF, ePub and Kindle
To ensure that compacted backfill performs as expected, compaction control is performed in the field by measuring the dry unit weight and moisture content of the compacted fill. The nuclear gauge is the most common device used to make these measurements because it is very rapid and thus does not delay the construction schedule. However, due to increased regulatory restrictions and growing concerns over the safety of using a device with a nuclear source, there is an increased effort to find a possible alternative to the nuclear gauge for compaction control. In this study, four devices were evaluated as potential replacements for the nuclear gauge. These devices include the Clegg Impact Hammer, the PANDA Dynamic Cone Penetrometer, the Moisture Density Indicator (MDI), and the Electrical Density Gauge (EDG). All the devices underwent laboratory testing conducted in large-scale soil specimens of poorly graded sand compacted to a target dry unit weight and moisture content. The MDI and EDG also underwent field testing at several different construction sites in central Texas. All testing includes comparisons between the results from the replacement devices and traditional compaction control devices. Analysis of the data revealed that, at this time, none of the four devices can be recommended to replace the nuclear gauge because they do not always accurately assess the compaction of the soil.
Author | : Charles S. Hughes |
Publisher | : |
Total Pages | : 24 |
Release | : 1968 |
Genre | : |
ISBN | : |
Download Methods of Compaction Control Book in PDF, ePub and Kindle
Author | : Anand J. Puppala |
Publisher | : Transportation Research Board |
Total Pages | : 139 |
Release | : 2008 |
Genre | : Technology & Engineering |
ISBN | : 0309098114 |
Download Estimating Stiffness of Subgrade and Unbound Materials for Pavement Design Book in PDF, ePub and Kindle
At head of title: National Cooperative Highway Research Program.
Author | : Leslie Struble |
Publisher | : Springer |
Total Pages | : 366 |
Release | : 2017-07-11 |
Genre | : Science |
ISBN | : 3319616331 |
Download Materials for Sustainable Infrastructure Book in PDF, ePub and Kindle
This volume includes a unique group of chapters focusing on new advances in materials for infrastructure sustainability. Chapters have been well-organized and handled by a group of international experts in order to discuss a timely topic with regards to the sustainable infrastructures. This volume is part of the proceedings of the 1st GeoMEast International Congress and Exhibition on Sustainable Civil Infrastructures, Egypt 2017.
Author | : |
Publisher | : |
Total Pages | : 310 |
Release | : 2015 |
Genre | : Highway research |
ISBN | : |
Download Research Results Digest Book in PDF, ePub and Kindle