Pavement Surface Texture Significance And Measurement Volume Ii Comprehensive Report Final Report
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Pavement Surface Texture
Author | : James C. Wambold |
Publisher | : |
Total Pages | : 41 |
Release | : 1984 |
Genre | : Optical measurements |
ISBN | : |
HRIS Abstracts
Author | : National Research Council (U.S.). Highway Research Board |
Publisher | : |
Total Pages | : 840 |
Release | : 1987 |
Genre | : Highway engineering |
ISBN | : |
Guide for Pavement Friction
Author | : |
Publisher | : AASHTO |
Total Pages | : 87 |
Release | : 2008 |
Genre | : Pavements |
ISBN | : 1560514280 |
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.
Evaluation of Pavement Surface Texture
Author | : James C. Wambold |
Publisher | : |
Total Pages | : 84 |
Release | : 1984 |
Genre | : Pavements |
ISBN | : |
"It is generally agreed that the skid resistance of a pavement is controlled by the surface texture characteristics. Therefore, by measuring the relevant parameters describing texture, or by measuring a physical process dependent on texture, regression techniques can be used to relate skid resistance to the chosen texture parameter or process. Two scales of texture are of particular importance: microtexture (small-scale asperities) and macrotexture (large-scale asperities). This report describes work performed to: (1) review candidate macrotexture and microtexture measurement methods that can be made at highway speeds (at or above 40 mph), which are presently used or have potential for use in pavement texture measurement; (2) design and build a prototype of the most promising method; (3) evaluate the effects of pavement surface texture on skid resistance; and (4) investigate non-friction-related effects of pavement surface texture. A prototype noncontact vision system which takes texture measurements at highway speeds was developed, and several improvements were made to upgrade the system to provide an advanced-operational prototype. Both hardware and software enhancements have yielded a texture measurement system that is a fast, efficient, and reliable way of obtaining pavement macrotexture data"--Technical report documentation p.
Scientific and Technical Aerospace Reports
Author | : |
Publisher | : |
Total Pages | : 816 |
Release | : 1989 |
Genre | : Aeronautics |
ISBN | : |
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Special Report
Author | : National Research Council (U.S.). Highway Research Board |
Publisher | : |
Total Pages | : 80 |
Release | : 1968 |
Genre | : Highway engineering |
ISBN | : |