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  • Stone Mastic Asphalt

    stone mastic asphalt. Thin wea ring courses made with stone mastic asphalt can be produced using road construction bitumen 70/100 or 160/220. Under certain conditions, such as on surfaces with special demands or on bridges, the use of a polymer-modified bitumen should be considered. NB:-As of 2005, the German Asphalt Association recommends the .

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  • A summary of road surfaces options and characteristics

    Stone Mastic Asphalt (SMA) was starting to become popular in the UK about seven years ago . costs only one tenth of the cost of hot rolled asphalt. If surface dressing is abandoned then the asphalt underneath will lose its surface seal and . A summary of road surfaces options and characteristics.doc

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  • Stone Mastic Asphalt (SMA)

    Stone Mastic Asphalt is a thin asphalt surfacing mix, which has very good rut resistance properties and excellent durability compared to standard asphalt. It can also be used as a base course mix. While it is primarily used for heavily trafficked roads and is the preferred surfacing in some countries, SMA can be used for all types of pavements.

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  • Durafalt® | Hanson UK

    Durafalt is a high-performance SHW Clause 942-approved surface course system laid by any Hanson approved Licensed Laying Contractor. The Stone Mastic Asphalt (SMA) derived mix uses 40/60 pen grade bitumen and is suitable for both road maintenance and new road construction. It is available in 14mm, 10mm and 6mm nominal sizes and a range of PSVs.

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  • HEAVY DUTY SURFACES THE ARGUMENTS FOR SMA

    In many countries Stone Mastic Asphalt (SMA) is a very attractive asphalt for surface and binder courses of highways, roads, airports, harbours and other pavements. SMA possesses important functional, economic and technical advantages compared to conventional mixtures for asphalt courses: providing excellent

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  • asphalt - mineralproducts

    Hot Rolled Asphalt, close graded and dense Asphalt Concrete or Stone Mastic Asphalt surface course. 1g Hardcore should consist of hard, crushed concrete and masonry, crushed rock, crushed highway arisings, slag or other local material known to be satisfactory. It .

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  • SPECIFICATION FOR DENSE GRADED AND STONE MASTIC .

    NZTA M10:2014 SP/SM10:140905 SPECIFICATION FOR DENSE GRADED AND STONE MASTIC ASPHALTS Page 3 of 30 1 General 1.1 Scope This specification covers dense graded and stone mastic asphalt for roads and related applications.

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  • Engineering Road Note 10 - Main Roads Western Australia

    This Engineering Road Note is intended to provide guidance on the selection and use of stone mastic asphalt (SMA) as a pavement wearing course. It provides guidance on skid resistance, types of seal treatments below SMA, tie in to existing asphalt and properties of SMA.

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  • SPECIFICATION FOR STONE MASTIC ASPHALT SURFACE .

    SPECIFICATION FOR STONE MASTIC ASPHALT SURFACE COURSE 1. The material shall be designed and manufactured to comply with BS EN 13108-5, this specification, Annex D of this appendix and with the requirements of Appendix 7/1 for the project concerned. BINDER 2. The binder shall be one of the following as specified in the project's Appendix 7/1 .

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  • Stone Mastic Asphalt - Civil Engineering

    These are Dense Graded asphalt, Stone Mastic Asphalt and Open Graded Asphalt. Stone mastic asphalt (SMA) is a stone-on-stone like skeletal structure of gap graded aggregate, bonded together by mastic, which actually is higher binder content, filler and fiber to reduce the binder drain.

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  • S.M.A.Tex® | Aggregate Industries

    S.M.A.Tex The S.M.A.Tex asphalt surface course is based on the application and experience of European based stone mastic asphalt technology, paying particular attention to areas where high levels of retained textures is not considered important. S.M.A.Tex Industrial Designed to provide a most durable asphalt surfacing for industrial type applications.

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  • Stone-Matrix Asphalt

    Stone-Matrix Asphalt Stone-Matrix Asphalt (SMA), also called stone mastic asphalt, was developed in Germany in the 1960s to provide heavily trafficked roads with a durable, rut-resistant wearing course using a gap-graded aggregate structure and a modified asphalt binder at elevated asphalt contents.

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  • Guidance Document on Surfacing Options - Hampshire

    For the purposes of this document the term 'asphalt' is used throughout in the generic sense to refer to the range of mixtures as used in the UK; Asphalt Concrete (AC) Hot Rolled Asphalt (HRA) Stone Mastic Asphalt (SMA) Clause 942 Surface Course (942) previously known as 'Thin Surface Course'.

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  • GUIDANCE NOTES APPLICATION OF POLYMER MODIFIED .

    Guidance Notes RD/GN/030 was issued in December 2001 introducing the use of stone mastic asphalt (SMA) as a surface course for heavily trafficked roads. Since then SMA has been extensively used as the surfacing layer on heavily trafficked bituminous carriageways in Hong Kong. Approaching 2010, more frequent occurrence of rutting

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  • Mix Types - Pavement Interactive

    Stone Matrix Asphalt (SMA) Stone matrix asphalt (SMA), sometimes called stone mastic asphalt, is a gap-graded HMA originally developed in Europe to maximize rutting resistance and durability.The mix design goal is to create stone-on-stone contact within the mixture. Since aggregates do not deform as much as asphalt binder under load, this stone-on-stone contact greatly reduces rutting.

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  • DPWH Accredited Contractors Materials Engineer: ITEM 734 .

    The Stone Mastic Asphalt (SMA) is a gap graded hot mix asphalt surface course laid on the proposed base in accordance with this specification and in conformity with the line, grades and typical cross­section shown in the plan within the tolerances specified or established by the Engineer.

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  • DPWH Accredited Contractors Materials Engineer: ITEM 734 .

    The Stone Mastic Asphalt (SMA) is a gap graded hot mix asphalt surface course laid on the proposed base in accordance with this specification and in conformity with the line, grades and typical cross­section shown in the plan within the tolerances specified or established by the Engineer.

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  • Asphalt | Surfacing | Lakeside Surfacing

    Stone Mastic Asphalt (SMA) (Conforms to the latest European standards) It is a polymer enriched surface course, suitable for high density traffic which is laid on a binder course. Hot Rolled Asphalt (HRA) (Conforms to the latest European standards)

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  • Viabase Stone Mastic Asphalt | CEMEX UK

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  • Cost Comparison between Stone Mastic Asphalt and Asphalt .

    Wearing course materials: Wearing Course or Surface Course is referring to the top layer of either a flexible or a composite pavement. It provides a uniform carriage way for vehicles to run on. Currently, there are numerous types of surfacing materials. However this particular research focused on Stone Mastic Asphalt

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  • Stone Mastic Asphalt | Seminar Report, PPT, PDF for Civil .

    Explore Stone Mastic Asphalt with Free Download of Seminar Report and PPT in PDF and DOC Format. Also Explore the Seminar Topics Paper on Stone Mastic Asphalt with Abstract or Synopsis, Documentation on Advantages and Disadvantages, Base Paper Presentation Slides for IEEE Final Year Civil Engineering CE or IEEE Civil Construction BTech, BE, MTech Students for the year 2015 2016.

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  • Highway Authorities and Utilities Committee - News

    Stone Mastic Asphalt Review document . range of materials that may be considered are 0/10 mm close graded surface course macadam, 55per cent 0/10 mm hot rolled asphalt and 30 per cent 0/14 mm hot rolled asphalt with pre-coated chippings. However, the surface shape of the last of these alternatives is very different to that of SMA, which can .

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  • TRANSPORT SCOTLAND INTERIM AMENDMENT No 35/15: .

    1.1 TS2010 Surface Course This new surface course specification, TS2010, comprises a range of Stone Mastic Asphalt mixtures that are based on German specifications and experience. The Stone Mastic Asphalt (SMA) mixtures will contain a gap-graded aggregate mix, polymer modified bitumen, and additives, including fibres.

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  • GUIDANCE NOTES APPLICATION OF POLYMER MODIFIED .

    Guidance Notes RD/GN/030 was issued in December 2001 introducing the use of stone mastic asphalt (SMA) as a surface course for heavily trafficked roads. Since then SMA has been extensively used as the surfacing layer on heavily trafficked bituminous carriageways in Hong Kong. Approaching 2010, more frequent occurrence of rutting

    Get Price Online
  • Stone mastic asphalt (SMA) | CFF & Co. KG .

    This improves the ageing properties and wear resistance of the Stone Mastic Asphalt (SMA) surface course. Stone Mastic Asphalt (SMA) is a high quality asphalt mortar of bitumen, sand, and filler with CFF cellulose fibre pellets acting as binder carriers to permanently bond the mineral substances.

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  • Stone Mastic | Boral

    Stone Mastic Asphalt (SMA) is a thin yet resistant asphalt surfacing mix with very good rut resistance properties and superior durability. It can also be used as a base course mix for all sophisticated building needs. Primarily used for heavily trafficked roads - is the preferred surfacing in some countries. SMA can be used for all types of pavements.

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  • ROAD PPPPAVEMENTS –––– BBBBITUMINOUS B .

    NG 942 Polymer Modified Stone Mastic Asphalt Surface Course ... 30 NG 943 Hot Rolled Asphalt Surface Course and Binder Course (Performance-Related Design Mixtures) .

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  • Stone mastic asphalt (SMA) surface courses - BIM object .

    Stone mastic asphalt (SMA) surface courses. Stone mastic asphalt (sma) surface course are described by characteristics such as target composition, added filler and recycled content (maximum). An example use may be within an asphalt paving maintenance system.

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  • Stone Mastic Asphalt Supplier Ireland | Roadstone

    Roadstone Stone Mastic Asphalt surface course materials are produced using high quality aggregates, bitumen and cellulose fibres. Roadstone produces an Industrial and Commercial SMA for .

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  • Stone Mastic Asphalt for Airfields

    This Specification, " Stone Mastic Asphalt for Airfields ", has been devised for use of the Crown and of its Contractors in the execution of contracts . Asphalt Surfacing A porous friction course, surface course, or a combination of these, and a binder course.

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  • Introduction to TII Pavement Standards & Design

    Introduction to TII Pavement Standards & Design March 2016 Tom Casey FIEI Chartered Engineer . . Stone Mastic Asphalt Binder and Surface Course options Porous Asphalt Surface Course . Introduction – Bituminous Product Types .

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  • Fibre Asphalt - Stone Mastic Asphalt | Breedon Group

    Commonly used asphalts in the UK are asphalt concretes (previously termed 'bituminous macadams' or 'bitmacs'), hot rolled asphalts (HRAs), and stone mastic asphalts (SMAs). Asphalts can further be grouped into roadbase, binder and surface courses, each providing a different function in flexible pavement construction. 3.

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  • Transport Scotland Executive Agency of the Scottish .

    2 TS2010 Stone Mastic Asphalt Surface Course - Specification 2.1 General The SMA described within this specification (TS2010) conforms to BS EN 13108-5 where applicable. Such conformity shall be established in accordance with BS EN 13108-20 and BS EN 13108-21.

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  • Stone Mastic Asphalt Mixture Study for Bituminous . - NTIS

    (2) To input the resilient modulus, creep and fatigue data into the VESYS III-A pavement performance prediction model to determine the performance of the SMA mixes compared to the performance of the conventional, dense-graded asphalt mixes. Three surface course mixes were designed using the following mastic types: Cellulose fibers, (2) Mineral .

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  • Highways and Transportation Surfacing Guidelines Surface .

    Surface Courses –Notes for Guidance October 2009 Highways and Transportation Surfacing Guidelines Surface Courses Notes for Guidance on selection of materials (continued): Generic Stone Mastic Asphalt (SMA 10 (or 14) Surf 40/60) An alternative to HRA and Thin Surface Courses, for use on roads with speeds limits less than 40 mph.

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  • ROAD PPPPAVEMENTS –––– BBBBITUMINOUS B .

    NG 942 Polymer Modified Stone Mastic Asphalt Surface Course ... 30 NG 943 Hot Rolled Asphalt Surface Course and Binder Course (Performance-Related Design Mixtures) .

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  • Civil At Work: STONE MASTIC ASPHALT

    Nov 30, 2017 · Stone Mastic Asphalt is characterised by its high stone content which forms a gap-graded skeleton-like stone structure. The voids of the structural matrix are filled with high viscosity bituminous mastic. The high stone content of at least 70% ensures stone-on-stone .

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  • SPECIFICATION FOR DENSE GRADED AND STONE MASTIC .

    NZTA M10:2014 SP/SM10:140905 SPECIFICATION FOR DENSE GRADED AND STONE MASTIC ASPHALTS Page 3 of 30 1 General 1.1 Scope This specification covers dense graded and stone mastic asphalt for roads and related applications.

    Get Price Online
  • Highway Authorities and Utilities Committee - News

    Stone Mastic Asphalt Review document . range of materials that may be considered are 0/10 mm close graded surface course macadam, 55per cent 0/10 mm hot rolled asphalt and 30 per cent 0/14 mm hot rolled asphalt with pre-coated chippings. However, the surface shape of the last of these alternatives is very different to that of SMA, which can .

    Get Price Online
  • Durafalt® | Hanson UK

    Durafalt is a high-performance SHW Clause 942-approved surface course system laid by any Hanson approved Licensed Laying Contractor. The Stone Mastic Asphalt (SMA) derived mix uses 40/60 pen grade bitumen and is suitable for both road maintenance and new road construction. It is available in 14mm, 10mm and 6mm nominal sizes and a range of PSVs.

    Get Price Online