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Description of BS 594987:2010 2010This British Standard specifies requirements for the transport, laying and compaction of asphalt mixtures conforming to BS EN 13108-1, BS EN 13108-4 and BS EN 13108-5, and described in PD 6691, from the time that they leave the mixing plant until they are placed on the road ready to receive a superimposed layer or traffic. It also includes requirements for preliminary work at the laying site needed to ensure that the substrate is fit to receive the asphalt and for the application of bond coats. While this standard does not contain explicit requirements for asphalt materials covered in other parts of BS EN 13108 or other proprietary asphalt mixtures, the general requirements of this standard may be applied to those mixtures, in addition to special requirements for particular mixtures specified in individual quality plans and/or method statements.
Annex A gives recommendations for delivery and rolling temperatures, while Annex B provides approximate rates of spread of asphalt. Protocols for the initial type testing of asphalt materials in accordance with BS EN 13108‑20 are included in Annex C, Annex D, Annex E, Annex F, Annex G and Annex H. Annex I provides a protocol for calibrating and operating indirect density gauges. Annex J gives guidance on when and how to apply tack coats. Annex K gives a method for determining the maximum binder content that porous asphalt and other asphalt can carry without excessive binder drainage during transportation and subsequent laying.
In the case of HRA, requirements are specified for providing a rough-textured surface on the surface course to provide skid-resistance. This standard does not specify requirements for asphalt incorporating bitumen emulsion binders. This standard does not cover the supply, laying and compaction of low-temperature warm mix and other reduced temperature asphalts.
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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