These are dense graded asphalt, stone mastic asphalt and open graded asphalt. The mastic asphalt is unloaded directly in front of the paving screed and spread to the required width. The original purpose was to provide a surfacing that offered maximum resistance to. Mastic one is a hotapplied, pourable, selfadhesive patching material used for preservation, maintenance and repair of asphalt and portland cement concrete pavements and bridge deck surfaces. Lifecycle cost considerations have convinced clients on all continents that mastic asphalt is the most economical construction method for bridge construction in the long term. Iko permaphalt is a specially formulated mastic asphalt roofing, using advanced polymer technology to give the ideal combination of long term durability, increased fatigue resistance, improved temperature stability and ease of installation. Stone mastic asphalt may be referred to by the acronym sma. The primary aim of this study was to investigate the effect of adding crumb tyre rubber as an additive to sma mixture. Stone matrix asphalt sma, also called stone mastic asphalt, is a durable and. Designed to mix mastic repair and bridge joint materials. Mastic asphalt flooring preparation, construction process. Very fine filler grains result in such problems as the loss of surface course stability, rutting, binder bleeding and fat spots 2. Waste plastic as a stabilizing additive in stone mastic asphalt. Asphaltstb besteht splittmastixasphalt aus einem mineralstoffgemisch mit.
To prevent pavement distresses there are various solutions such as adopting new mix designs or utilisation of asphalt additives. In addition to that, mastic asphalt provides the ideal base for carpet, vinyl or other types of smooth flooring. Mastic one type 2is a hot applied, pourable, aggregatefilled, black color, polymer modified asphalt pavement repair mastic. Reducing paving emissions and workers exposure using. Stone mastic asphalt has a number of advantag es over conve ntional dense graded asphalt. Click here to read the technical guide introduction click here to read the general information pdf the guides are in pdf format.
The materials used in the manufacture of asphalt include. The coarse texture tends to reduce the generation of spray during rain periods. All substrates to receive mastic asphalt roofing must be true, plane and, even free from ridges, hollows and indentations. Mastic asphalt is a potentially 100% recyclable product and is classified as nontoxic. Pdf there are three major types of asphalt surfacings, characterized by a mixtureof bitumen and stone aggregate. Stone mastic asphalt sma, also called stonematrix asphalt, was developed in germany in the 1960s with the first sma pavements being placed in 1968 near kiel. Asphalt patching methods best practices manual moisture abatement hma once the area is dry, apply a liberal amount of sealant or tack to the area to keep moisture from infiltrating the patch contact point. 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. These application instructions pertain to crafco mastic one, which is a hot applied, single component, pourable, aggregate filled, polymer modified asphalt pavement repair mastic.
Ensure that asphalt repair mastic is composed of a polymermodified asphalt material andor resin, select aggregates, synthetic rubber polymers and other modifiers. Pdf the importance of stone mastic asphalt in construction. Mastic one is composed of highly modified polymer asphalt binder and durable lightweight construction aggregate. As mastic asphalt construction sites are often limited in space, the prevalent form of construction is by manual paving. Mastic asphalt is obtained by heating natural asphalt with sand and mineral fillers. It is promoted primarily for use as a surfacing course with relatively high surface texture, low permeability and a high resistance to rutting. The high stone content of at least 70% ensures stoneonstone contact after compaction. Pdf performance evaluation of crumb rubber modified. Asphalt, gravel, sand and filler fly ash were mixed hot for. Stone mastic asphalt or stone matrix asphalt sma means hma consisting of two parts of a coarse aggregate skeleton and an asphalt binder rich mortar. Bleeding the loss of fluids from mastics and sealants bond breaker a release material to prevent adhesion of sealant to the back of a joint see fig. Since the content of the high asphalt needs requires additional material such as cellulosa fiber to stabilize the asphalt. It provides hard wearing durable surface that can brought into service as soon as it has cooled to ambient temperature. Standard construction specifications division 40 asphalt surfacing revised 1108 section 40.
Sma can be laid to the same thickness as conventional. Designing and constructing sma mixtures illinois asphalt. Rr681 mastic asphalt for maintenance state of michigan. The coarse aggregate, through point to point contact, forms a high strength skeleton with good internal friction and aggregate interlock to resist loadinduced shear. Polyguard 650 mastic is an asphalt rubber based mastic which provides excellent adhesion to the polyguard 650 waterproofing membrane, structural concrete, masonry, and wood surfaces. Bituthene mastic one part gun or trowel applied mastic for sealing bituthene membrane terminations and details product data sheet product description bituthene mastic is a rubberized, asphaltbased mastic. Certain grades of mastic asphalt are polymer modified and some may include colouring pigments. Coarse aggregate coarse aggregate for the bituminous mixture stone mastic asphalt sma will be furnished by mdot. Mastic asphalt is shown as the most appropriate asphalt for dense traffic and heavy climate conditions. The product comprises suitably graded aggregates bound together with an asphaltic cement primarily refined bitumens to produce a dense.
Stone mastic asphalt is a gap graded bituminous mixture containing a high proportion of coarse aggregate and filler. The importance of stone mastic asphalt in construction article pdf available in electronic journal of geotechnical engineering 17. Sma was introduced into the united states in the early 1990s. Mastic asphalt is a proven waterproof membrane and radon gas barrier in building and homes. Stone mastic asphalt sma although sma is more expensive than dense graded asphalt due to a higher binder content, use of a modified binder and fibres and reduced production rate it can be more economical in the long dense term by reducing rehabilitation and extending service life. Textrude xtreme mastic is a rapid curing waterbased, polymermodified anionic bituminous asphalt. It is very effective when sealing more than one penetration that are close together. Mastic one type 2 is used for sealing, filling and repairing many distresses in both asphalt concrete and portland cement concrete pavements. Reducing paving emissions and workers exposure using novel. Split mastic asphalt sma is one of the hot mix asphalt concretes use with open graded and it has high coarse agregate content 70% 80% and a high asphalt content. It is impermeable matter does not contain any voids. The polymermodified bitumen and high stone content, which forms a coarse stone skeleton, gives breedonpolymer impressive strength and durability, ideal for heavily trafficked motorways and trunk roads.
Lake abstract this study assessed the physical characteristics of the aggregate of bulungan, kutai and banjar in borneo, indoensia, and evaluated its performance when used in split mastic asphalt. It has low air voids with high levels of macro texture when laid, resulting in a waterproof layer with good surface drainage 10. Due to their size, the technical guides have been divided into subsections. Design flexibility mastic asphalt in its molten state can be moulded to any irregular shape and be laid around any obstruction insitu faster project completion mastic asphalt can. Heavy duty construction allows mixing of heavy material mixed with aggregate. Filler grains bigger than the binder film on aggregates behaves like a passiv aggregate, forming mastic.
Mastic asphalt is an intimate homogeneous mixture of selected wellgraded aggregates, filler and bitumen in such proportions as to yield a plastic and voidless mass, which. Ncat report 1803 performance and lifecycle cost benefits of. Icqar121 stone mastic asphalt roads and maritime services. Evaluation of split mastic asphalt mixture using materials from borneo ludfi djakfar yulvi zaika aloysius greg. Stone matrix asphalt sma, also called stone mastic asphalt, is a durable and rutresistant asphalt mixture that relies on stoneonstone contact to offer strength and a rich mortar binder to provide durability hughes 1999.
While the use of porous asphalt on motorways and trunk roads is now limited in the uk, guidance can still be sought from the specification for highwayworks. Stone mastic asphalt is a thin asphalt surfacing mix, which has very good rut resistance properties and excellent durability compared to standard asphalt. Asphalt, bitumen and tar types, difference and comparison. Asphalt cement is plastic in nature and it is used for flooring, roofing, water proofing material etc.
Stabilizing additives are needed in the mastic which is rich in. Evaluation of split mastic asphalt mixture using materials. Stone mastic asphalt sma is a gapgraded, highly textured and durable surface mix with a much higher percentage of stone and more asphalt cement than conventional hma advantages of sma over conventional hma are. In this post we introduce mastic asphalt, a centuries old roofing material that is still in use today in both traditional and more modern forms. Guidance to specifiers in the use of mastics and sealants on. Textrude xtreme mastic is designed to be installed around penetrations pipes protruding through the vapor barrier. Stone mastix asphalt german german solutions influence of filler on asphalt mixtures. Before you combine the files into one pdf file, use merge pdf to draganddrop pages to reorder or to delete them as you like. Mastic asphalt ma is an important construction material mainly used for infrastructure pavements as well as industrial and garage. A special mixer was designed and built for this purpose. 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. This is because, in contrast to vibration compaction, the effective direction of vibrations during oscillation promotes the desired redistribution of the longchain binding agents rapid increase in compaction, with fewer passes.
The voc volatile organic compound content is 200 gl. In the next post well introduce some buildups and describe some applications for the product. Pdf determination of stonemastic asphalt concrete durability. Mastic asphalt can be used for a pond liner or a tanking membrane as it can be permanently immersed. Mastic itself has a sealing quality that is moistureresistant. B1 rolled asphalt 1 3 b1 rolled asphalt rolledasphaltisamaterialspecifiedalmostexclusivelyintheukandireland,whereitisoften. Stone mastic asphalt is characterised by its high stone content which forms a gapgraded skeletonlike stone structure. Polymer modified mastic asphalt barbour product search. Asphalt concrete is fairly permeable under most conditions, allowing some water to seep through. Polymer modified mastic asphalt is installed by trained operatives who have undertaken the mastic asphalt industrys extensive training programme, which lasts for a minimum of 3 years to nvq level 23 or equivalent. The voc volatile organic compound content is 225 gl. Hardness and melting point of mastic asphalt can be managed during the process of heating.
Stone mastic asphalt or sma is a polymer modified hot bituminous mixture with a large proportion of coarse aggregate and rich bitumenfiller mastic. Mastic asphalt mastic asphalt has a long and successful history covering a wide range of uses as a waterproofing medium for roofs, basements and foundations, and as a surfacing material for floors and paving. The paving screed guarantees the required coating thickness and the evenness of the mastic asphalt layer. However, in most cases manual application is still common. Use a highquality mineral filler to meet desired mastic properties. Iko permaphalt polymer modified mastic asphalt iko group plc. Mastic versions are virtually waterproof, and can be used in applications where moistureresistance is a primary concern. Design flexibility mastic asphalt in its molten state can be moulded to any irregular shape and be laid around any obstruction insitu faster project completion mastic asphalt can be laid quickly over large areas. It has excellent adhesion to structural concrete, masonry and wood. Hotapplied mastic sealants mastic one crafco mastic one is designed for large cracks and distressed surface areas too small for repaving. Pdf the paper is focused on determination of durability of the stonemastic asphalt sma concrete, containing various stabilizing additives. Scope this work shall consist of constructing a single layer of mastic asphalt wearing course for road pavements and bridge decks. Diesel and propane models available in 120 and 250 gallon capacities.
Pavement solutions for wide cracks and distresses crafco. For mastic asphalt, contact should be made with the mastic asphalt council 7 and for asphalt specifically to be used on airfields. Caulk to fill cracks or crevices, especially around windows cohesive failure failure of a sealant when placed under. Polymer modified mastic asphalt can only be installed by listed contractors. Mar 21, 2020 the primary difference between mastic asphalt and asphalt concrete lies in each materials level of permeability. The asphalt shall consist of a mixture of coarse and fine aggregates, fibres, hydrated lime, mineral filler and polymer modified binder. Road trials of stone mastic asphalt and other thin surfacings. Introduction of stone mastic asphalt sma in ontario.
For floors exposed to chemical products, an acid resistant mastic asphalt composition, re sistant to. Mastic mixers are only part of the equipment marathon produces for road maintenance. The primary difference between mastic asphalt and asphalt concrete lies in each materials level of permeability. The conforming mix design described in this clause is for asphalt produced using granite aggregates from the perth region. Breedonpolymer has been designed using stone mastic asphalt technology. The product comprises suitably graded aggregates bound together with an asphaltic cement primarily refined bitumens to produce a dense voidless. It is a versatile hotapplied, pourable, selfadhesive ridged asphalt binder containing selected aggregate to ensure good load bearing and skid resistant characteristics. The mastic material consists of a polymermodified asphalt material containing mineral fillers and other reinforcing agents as specified below. Marketing boost for mastic asphalt also for europe the mastic asphalt construction method is considered to be established worldwide. Great white reinforced mastic will adhere well in wet surface conditions, even in driving rain, on wet surfaces or underwater. Therefore, the emissions caused by mastic asphalt are not only relevant for the. All uploads and downloads are deemed secure and files are permanently deleted from the smallpdf servers within an hour. Bostik bituminous mastic for roofs dries to a flexible black material which remains soft and pliable for a long time after application. Introduction of stone mastic asphalt sma in ontario author.
Characterization of mastic asphalt with cold mix partha paratim biswas, manoj kumar sahis, dipesh majumder, chinmoy seal and gokul mandal abstract in the present study, an attempt has been made to use cold mix technology as an alternative approach for preparation of mastic asphalt. These installation instructions are for crafco mastic one, which is a hot. The voids of the structural matrix are filled with high viscosity bituminous mastic. Rearrange individual pages or entire files in the desired order. It provides a deformationresistant, durable surfacing material, suitable for heavily trafficked roads. Bituthene mastic us version one part gun or trowel applied mastic for sealing bituthene membrane terminations and details product description bituthene mastic is a rubberized, asphalt based mastic. Iko permaphalt is the result of extensive research and development, and the careful selection of polymers to provide improved performance in all flat.