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Author: Douglas W. Harwood Publisher: ISBN: Category : Asphalt Languages : en Pages : 40
Book Description
"This pavement macrotexture guideline is for highway engineers and administrators concerned with the improvement of pavement surface texture as a countermeasure for skidding accidents. A summary is presented of the fundamentals of tire-pavement skid resistance and the importance of pavement surface texture in reducing skidding accidents. This includes a discussion of the skid number and skid number-speed gradient and of the role of pavement surface microtexture and macrotexture in skid resistance. The most commonly used methods of measuring pavement macrotexture are described, and ways of achieving high macrotexture in new pavements and of restoring high macrotexture in existing pavements are given. Higher macrotexture in new pavements can be obtained using open-graded asphalt surface courses and texturing of portland cement concrete surfaces; higher macrotexture in existing surfaces is achieved from open-graded asphalt overlays, pavement grooving, cold milling, and seal coats. The cost-effectiveness considerations in selecting high macrotexture pavement surfaces are also discussed"--Technical report documentation p.
Author: Douglas W. Harwood Publisher: ISBN: Category : Asphalt Languages : en Pages : 40
Book Description
"This pavement macrotexture guideline is for highway engineers and administrators concerned with the improvement of pavement surface texture as a countermeasure for skidding accidents. A summary is presented of the fundamentals of tire-pavement skid resistance and the importance of pavement surface texture in reducing skidding accidents. This includes a discussion of the skid number and skid number-speed gradient and of the role of pavement surface microtexture and macrotexture in skid resistance. The most commonly used methods of measuring pavement macrotexture are described, and ways of achieving high macrotexture in new pavements and of restoring high macrotexture in existing pavements are given. Higher macrotexture in new pavements can be obtained using open-graded asphalt surface courses and texturing of portland cement concrete surfaces; higher macrotexture in existing surfaces is achieved from open-graded asphalt overlays, pavement grooving, cold milling, and seal coats. The cost-effectiveness considerations in selecting high macrotexture pavement surfaces are also discussed"--Technical report documentation p.
Author: Publisher: AASHTO ISBN: 1560514280 Category : Pavements Languages : en Pages : 87
Book Description
This report contains guidelines and recommendations for managing and designing for friction on highway pavements. The contents of this report will be of interest to highway materials, construction, pavement management, safety, design, and research engineers, as well as others concerned with the friction and related surface characteristics of highway pavements.
Author: Gerardo W. Flintsch Publisher: ISBN: 9780309674034 Category : Pavements Languages : en Pages : 156
Book Description
Macrotexture, which influences vehicle-roadway skid resistance, refers to the texture of the pavement due to the arrangement of aggregate particles. Pavement surfaces are subjected to seasonal variations, and over time the embedded aggregates become polished due to the onslaught of traffic. Research has shown that wet-weather crashes are influenced by the macrotexture of the pavement surface. The TRB National Cooperative Highway Research Program's NCHRP Research Report 964: Protocols for Network-Level Macrotexture Measurement provides state transportation pavement engineers and other practitioners with recommended protocols for macrotexture test measures, equipment specifications, and data quality assurance practices.
Author: John Jewett Henry Publisher: Transportation Research Board ISBN: 9780309068741 Category : Technology & Engineering Languages : en Pages : 76
Book Description
This synthesis report will be of interest to pavement design, construction, management, and research engineers, highway safety officials, and others concerned with pavement friction characteristics. It describes the current state of the practice and discusses the methods used for evaluating wet pavement friction characteristics of new and restored pavements. This synthesis reviews models used for measuring and evaluating friction and texture, causes for friction changes over time, and aggregate and mix design to provide adequate friction. Also presented are construction and surface restoration practices for providing good pavement surface characteristics. In addition, considerations of noise and ride quality are discussed when compromise may be required.
Author: American Association of State Highway and Transportation Officials Publisher: AASHTO ISBN: 156051423X Category : Pavements Languages : en Pages : 218
Author: Publisher: ISBN: Category : Pavements Languages : en Pages : 48
Book Description
This pavement macrotexture review is for highway engineers and administrators concerned with the improvement of pavement surface texture as a countermeasure for skidding accidents. A summary is presented of the fundamentals of tire-pavement skid resistance and the importance of pavement surface texture in reducing skidding accidents. This includes a discussion of the skid number and skid number-speed gradient and of the role of pavement surface microtexture and macrotexture in skid resistance. The most commonly used methods of measuring pavement macrotexture are described, and ways of achieving high macrotexture in new pavements and of restoring high macrotexture in existing pavements are given.
Author: Douglas W. Harwood
Author: Douglas W. Harwood
Author: 
Author: American Concrete Paving Association. Technical Subcommittee on Surface Properties
Author: Gerardo W. Flintsch
Author: 
Author: National Cooperative Highway Research Program
Author: John Jewett Henry
Author: American Association of State Highway and Transportation Officials
Author: 
Author: Atenea Salomon