In April 1980 a BS 594 Committee made an inspection of the texture achieved on M58 when considering texture requirements for the revision of the standard. Subsequent TRRL analysis of textures measured on site show that the overall average texture depth was 1.81 mm. When taken over 50m test lengths, mean values ranged from 1.2 mm to 2.5 mm but over approximately 1 km lengths they were from 1.6 mm to 2.2 mm. Levels of compliance of the results with alternative specifications are considered. (A)

Want to know more about this project?