Unbound mixtures for pavement layers - BS EN 13285

摘要

The Specification for Highway Works (SHW) in the UK is currently being amended to reflect the requirements of BS EN 13285:2003, Unbound mixtures - specification. This paper explains the requirements of the new Standard for UK users. It also explains the link with BS EN 13286, a series of standards detailing test methods for unbound and hydraulically bound mixtures. The changes support the construction industry's transition to the new BS EN standards for aggregates.