Wheels British Standards

Methods are available for the determination of relative abrasion resistance using either a mixed jet of air and abrasive, as recommended in the appropriate British Standard or an abrasive wheel or disc. Owing to variations in the quality of the abrasive, and the performance of individual jets, a standard comparison sample is included in each batch. 

The hardness and abrasion resistance of anodic coatings have never been easy properties to measure, but the development of a British Standard on hard anodising has made this essential. Film hardness is best measured by making microhardness indents on a cross-section of a film , but a minimum film thickness of 25 tm is required. For abrasion resistance measurements, a test based on a loaded abrasive wheel , which moves backwards and forwards over the film surface, has improved the sensitivity of such measurements. 

BS 598-110.1996. Sampling and examination of bituminous mixtures for roads and other paved areas, Part 110 Methods of test for the determination of wheel-tracking rate. London British Standards Institution. 

Highway Bridge Loading. British Standard B.S. 5400 Pt. 2 1978 specifies loads on buried rigid pipes due to vehicles, on the basis of their wheel spacing, axle spacing and tyre contact areas. 

Before 1960 noise nuisance could only be dealt with by common law as a breach of the peace under various Acts or local by-laws. In contrast, today there are many statutes, Government circulars, British Standards and EU Directives dealing with noise matters. Environmental noise problems have been around for many years. During the eighteenth century, in the vicinity of some London hospitals, straw was put on the roads to deaden the sound of horses hooves and the wheels of carriages. Today we have come a long way from this self-regulatory situation. 

ASTM D 3319. 2011. Standard practice for the accelerated polishing of aggregates using the British wheel. West Conshohocken, PA ASTM International. 

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