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Author: Darlene C. Goehl Publisher: ISBN: Category : Aggregates (Building materials) Languages : en Pages : 61
Book Description
Seal coat is a layer of asphalt binder with a layer of aggregate applied over a pavement. The purpose of a seal coat is to seal the pavement from air and water intrusion while providing the safety benefits of maintaining sufficient friction over the seal coat's design life. With an investment of over $300,000,000 annually, it is imperative to construct a high-quality project. To achieve quality construction, it is important to establish and adjust the application rates for the binder and aggregate based on the materials being used, traffic and existing roadway conditions. This project produced guidelines for improvements to rate design procedures that will help engineers and inspectors make better decisions resulting in successful projects.
Author: Darlene C. Goehl Publisher: ISBN: Category : Aggregates (Building materials) Languages : en Pages : 61
Book Description
Seal coat is a layer of asphalt binder with a layer of aggregate applied over a pavement. The purpose of a seal coat is to seal the pavement from air and water intrusion while providing the safety benefits of maintaining sufficient friction over the seal coat's design life. With an investment of over $300,000,000 annually, it is imperative to construct a high-quality project. To achieve quality construction, it is important to establish and adjust the application rates for the binder and aggregate based on the materials being used, traffic and existing roadway conditions. This project produced guidelines for improvements to rate design procedures that will help engineers and inspectors make better decisions resulting in successful projects.
Author: Douglas D. Gransberg Publisher: Transportation Research Board ISBN: 0309097444 Category : Asphalt emulsion mixtures Languages : en Pages : 120
Book Description
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 342: Chip Seal Best Practices examines ways to assist in the development and implementation of pavement preservation programs by identifying the benefits of using chip seal as part of a preventive maintenance program and by highlighting advanced chip seal programs in use around the world. The report includes approximately 40 best practices in the areas of chip seal design methods, contract administration, equipment practices, construction practices, and performance measures. According to the report, the increased use of chip seals for maintenance can be a successful, cost-effective way of using preventive maintenance to preserve both low-volume and higher-volume pavements.
Author: Cindy K. Estakhri Publisher: ISBN: Category : Aggregates (Building materials) Languages : en Pages : 198
Book Description
The primary objectives of this study were to establish design and construction guidelines for multiple seal coats for the Texas State Department of Highways and Public Transportation. A multiple seal coat is a bituminous surface that results from two or more successive alternating applications of bituminous binder and cover aggregate to an existing paved surface, usually with the smaller aggregate sizes used in each successive layer. From a thorough review of the literature, it was concluded that the key to executing an effective design for multiple seal coats was in the ability to measure the available void space in multiple stone layers that could be filled with binder. A design method developed by the NITRR of South Africa which included a test procedure (Modified Tray Test) for measuring the void content and effective thickness of a stone layer was chosen for further field and laboratory investigation.
Author: Ken Skorseth Publisher: ISBN: Category : Gravel roads Languages : en Pages : 112
Book Description
The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
Author: Scott Shuler Publisher: Transportation Research Board ISBN: 0309155398 Category : Technology & Engineering Languages : en Pages : 111
Book Description
TRB's National Cooperative Highway Research Program (NCHRP) Report 680: Manual for Emulsion-Based Chip Seals for Pavement Preservation examines factors affecting chip performance, highlights design and construction considerations, and explores procedures for selecting the appropriate chip seal materials. The report also contains suggested test methods for use in the design and quality control of chip seals. Appendices A to J of NCHRP Report 680 provide further elaboration on the work performed in this project--
Author: Darlene C. Goehl
Author: Darlene C. Goehl
Author: Douglas D. Gransberg
Author: Cindy K. Estakhri
Author: R. J. Holmgreen
Author: Mohamed-Asem U. Abdul-Malak
Author: Ken Skorseth
Author: National Cooperative Highway Research Program
Author: Scott Shuler
Author: Pennsylvania Transportation Institute
Author: