ASPHALT WITH IMPROVED SKID RESISTANCE
In an effort to produce surfaces with increased skid resistance, 4 test sections each 7 m wide x 45 m long x 25 mm deep - were laid together with 100 tonnes of size 10 "control" asphalt and two (one coarser than the other) basic experimental asphalts. The principal constituent of the aggregate was a vesicular newer basalt having a high resistence to polishing (PSV-50). The control asphalt was designed to have a typical size 10 dense grading and binder content which would render an air void content of approximately 4 percent. The density, skid resistance, surface texture and drainage characteristics of the experimental and control asphalts were monitored (results are tabulated). On the basis of this study, it is concluded that the use of an open aggregate grading and viscous binder produces asphalt having a satisfactory surface texture which will not close up under action of traffic. Such a texture promotes skid resistance of the pavement surface.
Victoria Country Roads Board, Australia60 Denmark Street
Kew F4, Victoria 3101, Australia
- Publication Date: 1975-1
- Features: Appendices; References; Tables;
- Pagination: 7 p.
- TRT Terms: Air voids; Asphalt; Barriers (Roads); Binders; Coarse aggregates; Curbs; Dense graded aggregates; Density; Drainage; Mineral aggregates; Skid resistance; Texture
- Old TRIS Terms: Air voids content; Barrier curb; Control sections
- Subject Areas: Highways; Hydraulics and Hydrology; Pavements;
- Accession Number: 00097425
- Record Type: Publication
- Report/Paper Numbers: No 108 Engr. Note
- Files: TRIS
- Created Date: Aug 13 1975 12:00AM