Coated macadam (asphalt concrete) for roads and other paved areas - Specification for constituent materials and for mixtures
Coated macadam (asphalt concrete) for roads and other paved areas - Specification for constituent materials and for mixtures
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BS 4987-1:2005 specifies the requirements for all types of coated macadam (asphalt concrete) to be laid as base (roadbase) (group one), binder course (group two), surface course (group three) or porous asphalt surface course (group four) for roads and other paved areas excluding heavy duty airfield pavements. This standard does not include requirements for macadams incorporating bitumen emulsions as binders which are specified in BS 434-1. NOTE The terms “base (roadbase)”, “binder course” and “surface course” are used throughout this standard in place of the traditional terms “roadbase”, “basecourse” and “wearing course” respectively to encourage use of the new terminology which will be used in European asphalt standards to be introduced in the near future.
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