Scope this work shall consist of constructing a single layer of mastic asphalt wearing course for road pavements and bridge decks. The specification shown in fig. Hot mix asphalt materials and mix specifications conforming to superpave (superior performing asphalt pavements) technology are not required in the main body of this specification.
Sapcote Synthetic Black Bitumen Mastic Asphalt, For Road
Ifb #23188 (revised november 26, 2019)
This work shall consist of constructing a single layer of mastic asphalt wearing course for road and bridge decks.
This specification covers the requirements for the materials, equipment, and processes for proportioning and mixing hot mix asphalt (hma) including warm mix asphalt (wma), recycled mixes, and mixes for miscellaneous work according to the superpave and stone mastic asphalt (sma) mix design methodology. Specification for stone mastic asphalt surface course. By marshall mix design methods. Natural rock aggregate mastic or limestone aggregate mastic.
To ensure that tenders are based upon the specific grades of mastic asphalt required, it is essential that the asphalt contractor is given precise details of the bss number and of the table and column number therein.
“asphalt layer” comprises a single paving run of uniform asphalt. British standard bs 1446:1973, specification for mastic asphalt (natural rock asphalt fine aggregate) for roads and footways. The binder shall be one of the following as specified in the project's appendix 7/1. All as manufactured by w.
If asphalt pavement using aggregate larger than d is specified directly above
4.4 incorporates 50mm thickness of insulation to provide a u value of approximately 0.45 (w/m2k) for the total construction. Grace and company, cambridge, massachusetts. “asphalt course” comprises one or more layers of a single asphalt type. To make check tests of the asphalt received on the project site, and if the asphalt is not in accordance with the certified analysis, he may reject the material.
These specifications are detailed in the account published by the indian road congress.
Reference code and specification for mastic asphalt: Stone mastic asphalt with or without polymer modified binder is one of the new and innovative materials being used by road authorities in their challenge to provide cost effective solutions for roads carrying a continuingly increasing volume of commercial vehicles. Mastic asphalt is solid or semi solid under normal temperature conditions, but sufficiently fluid when brought to a suitable temperature to be spread by means of a hand float or by an appropriate machine, requiring no compaction. Stone mastic asphalt specification instructions for use this is a new surface course specification, which describes a range of stone mastic asphalt (sma) mixtures based on german and scottish specifications and practices.
In accordance with this, the bitumen used in mastic asphalt treatment (binder) 10/20 is as per is:702.
The asphalt required by these specifications shall conform to the requirements of the asphalt institute for the type and grade shown below: There is a wide variety of asphalt specifications to meet the wide range of their use: General designation for mastic asphalt. Airfields, motorways, general purpose roads,.
Mastic asphalt is a bituminous mixture.
These specifications were written to conform to the requirements of the revised chapter 19 of the. Mastic, a generic term for durable surface material made of mineral filler and asphalt binder, is especially suitable for heavily trafficked roads. Moreover, it gives longer functional life and has. Appendix a provides specifications in conformance with opss.muni 1151 for superpavetm and stone mastic asphalt (sma) mixes.
Specifications (us customary units) volume 4.
Specification 504 asphalt wearing course specification 511 materials for bituminous treatments 502.03 definitions 1.
