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  • BSI
    BS 594987:2010 Asphalt for roads and other paved areas. Specification for transport, laying, compaction and type testing protocols
    Edition: 2010
    $499.77
    / user per year

Description of BS 594987:2010 2010

This 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.

NOTE 1 The term “asphalt” used in this standard is the generic term used to describe the wide range of mixtures of aggregate and bituminous binder individually known as asphalt concrete (AC), hot rolled asphalt (HRA), stone mastic asphalt (SMA), porous asphalt (PA) or mastic asphalt and other proprietary materials which are available for use in constructing and maintaining roads and other paved areas that are on the market in the UK.

NOTE 2 Methods for ensuring that the correct surface drainage characteristics are imparted to pavements with porous asphalt surface course are outside the scope of this British Standard.

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.

NOTE 3 BS EN 13108-20 specifies tests for determining the conformity of a mix to any of the other parts of BS EN 13108. This is similar to a mix design validation or job mix trial. BS EN 13108-20 offers some choice in the way in which specimens are to be prepared for the purposes of initial type testing. Since the results determined will depend on the method of specimen preparation, a set of protocols showing the recommended UK selection of such procedures, linked to the recommended specification levels and classes, is included in this standard.

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.

NOTE 4 BS EN 13108 is currently being reviewed and it is anticipated that any revisions will cover low-temperature and cold mixtures.



About BSI

BSI 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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