Resistance to shear stress is a critical performance requirement for airport surface asphalt. Rr681 mastic asphalt for maintenance state of michigan. Theyll cover the what, why, when, and how of asphalt pavement maintenance. A group of nationally recognized experts is coming to michigan to share their expertise with you. The objective of this study is to characterize the mechanical properties of asphalt mixtures with recycled concrete aggregates for low volume roads herein, the equivalent standard axle load. Standard construction specifications division 40 asphalt surfacing revised 1108 the number of blows of the compaction hammer used in the marshall mix design will be fifty 50 blows per side of specimen. Asphalt concrete is a composite material commonly used to surface roads, parking lots, airports. Asphalt qms 2016 i preface this manual has been prepared as a practical guide for asphalt technicians in the construction and inspection of asphalt pavements. Preparation of sub grade to proper grade for base course, including compaction, is specified in section 31 00 00 earthwork.
Designing and constructing sma mixtures illinois asphalt. Asphaltic concrete asphaltic concrete is a mixture of coarse aggregate fine aggregate mineral filler and bitumen well graded aggregates and mineral filler resulting in maximum density when mixed with optimum quantity of bitumen results in a mix. Sponsored by characteristics of asphalt materials committee characteristics of nonasphalt components of asphalt paving mixtures committee transportation research board august 2012 transportation research board 500 fifth street, nw. If any given asphalt has a compositional deficiency, the producer can determine how to modify the asphalt and remedy the deficiency. Designed to mix mastic repair and bridge joint materials. Pdf there are three major types of asphalt surfacings, characterized by a mixtureof bitumen and stone aggregate. Product description modified asphalt primer is an acrylic modified primer designed for superior adhesion to many substrates. Mastic mixers are only part of the equipment marathon produces for road maintenance. Explore stone mastic asphalt with free download of seminar report and ppt in pdf and doc format. Mastic asphalt concrete is generally laid to a thickness of around. Stone mastic asphalt has a number of advantag es over conve ntional dense graded asphalt. Pure asphalt have manufactured mastic asphalt products since the 1930s.
The original purpose was to provide a surfacing that offered maximum resistance to. Thirty or more years ago, hot mix asphalt facilities often generated noticeable levels of dust, smoke, odors, and noise. Permanite asphalt permanite asphalt, a subsidiary of ruberoid plc is the major u. It the intent of this specification to be a is not design guideline for street construction all. It has become obvious that deficiencies vary from one asphalt to another. Icqar121 stone mastic asphalt roads and maritime services. 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. It is intended to serve as a basic introduction to asphalt construction for the new technician as well as a reference source to those with considerable experience. One was the epas new source performance standards, which went into effect in 1973. Study on the sustainability of heavyduty mastic asphalt wearing.
Scope this work shall consist of constructing a single layer of mastic asphalt wearing course for road pavements and bridge decks. Pdf the mechanical properties of asphalt mixtures with. 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. On excessively weathered surfaces or areas such that cleaning operation leave a film of dust, a tack coat of ss1h shall be applied. This manual was developed to provide a more userfriendly, interactive and searchable format for our users. Asphalt materials characterization in support of implementation of the proposed. This must be done without delay and with minimal change in the characteristics of the mix. Regardless of the type of mixing plant, the basic purpose is the same. Asphalt rubber applications asphalt rubber is the process of adding recycled, crumb rubber to hot mix asphalt called dry process or the asphalt binder called wet process to modify the final mixture difficult to use in densegraded mixtures due to residual crumb rubber best used in gapgraded type mixtures sma and ogfc. Stone mastic asphalt is a thin asphalt surfacing mix, which has very good rut resistance properties and excellent durability compared to standard asphalt. Pure asphalt pacoflex polymer modified mastic asphalt pacoflex polymer modified mastic asphalt is manufactured by pure asphalt in the united kingdom and distributed and installed by asphaltech in new zealand. Asphalt, gravel, sand and filler fly ash were mixed hot for.
The high stone content of at least 70% ensures stoneonstone contact after. Pipresentation overview etg e l i t k fetg emulsion task force traditional emulsified asphalt tests. Embedding polyester fabric in reinforced membrane systems. Project location project area had seen over 100 accidents in the previous two years, many in wet weather solution. Stone matrix asphalt pavement is hot mix asphalt consisting of two parts a coarse aggregate skeleton and a binder rich mortar. Click here to read a letter of recommendation from a client.
No part of the quality system shall be used to preempt or otherwise negate the technical requirements of the contract. The purpose of the haul vehicle is to transport the asphalt mixture from the asphalt plant to the paver. Stone matrix asphalt sma, also called stone mastic asphalt, is a durable and rut resistant asphalt mixture that relies on stoneonstone contact to offer strength. In the drumtype mixing plant, the aggregate and other materials are dried, heated, and mixed with the binder in the drum in a continuous process. Delmar salomon pavement preservation systems, llc pavement performance prediction symposium laramie, wyoming july 15, 2010. Asphalt institute executive offices and research center. Box 14052 lexington, ky 405124052 usa telephone 8592884960 fax no. The proposed mechanisticempirical pavement design guide mepdg procedure is an improved methodology for. Characterization of asphalt binders based on chemical and physical properties jianghua weit, jeffrey c. This publication is designed to provide information of interest to napa members and asphalt pavement mix producers and is not to be considered a publication of standards or regulations. Permissions to reprint documents can be acquired through.
The tack coat shall consist of two 2 parts asphalt sealcoat with one 1 part water applied at a rate of 0. Diesel and propane models available in 120 and 250 gallon capacities. Asphalt a mixture of 9397 % aggregate, 47% asphalt, and 0. Stone mastic asphalt was developed in germany during the mid 1960s. Standard specification for hotapplied asphalt aggregatefilled mastic. The second sentence of the first paragraph of section 504. The asphalt shall consist of a mixture of coarse and fine aggregates, fibres, hydrated lime, mineral filler and polymer modified binder. Revision date 05062011 asphalt cementall grades material safety data sheet technical contact 856 224 chemtrec emergency 800 424 united states only eb 58, pg 5828, pg 6422, pg 64 pg 5828wm, pg 6428wm, pg 64. Pdf evaluation of stone mastic asphalt using shell ash as filler. Is en 1086 bituminous mixtures material specifications mastic asphalt ii.
The paving story beginning in 2015, owens corning has dedicated additional resources and placed a renewed focus on serving the asphalt paving industry expectations are to grow this business and expand owens corning s presence in this market segment. Indicate the project number and airport in the space provided. Alternative binders for sustainable asphalt pavements. Meets lines shall be sealed while the new asphalt concrete is still warm by painting with special tack coat ste1 asphalt and immediately covering the asphalt paint strip with clean, dry paving sand meeting the requirements of section 903. The conforming mix design described in this clause is for asphalt produced using granite aggregates from the perth region. Standard construction specifications division 40 asphalt surfacing revised 1108 section 40. The voids of the structural matrix are filled with high viscosity bituminous mastic. Cold milling asphalt pavement is the process of removing existing pavement from the roadway to the lines and dimensions shown on the plans or as directed by the consultant. The high stone content of at least 70% ensures stoneonstone contact after compaction. Hawley4 abstract asphaltisa complexmixtureof manydifferenthydrocarbons. Most asphalt today comes from the refining process. It is made up of a mixture of crushed coarse and fine aggregates, mineral filler, asphalt cement and a stabilizer for the binder, such as polymer or fibres.
A special mixer was designed and built for this purpose. If a conflict arises between the standard specifications for roads and structures or contract documents and this manual, the specifications and contract documents will. They conserve water, reduce runoff, promote infiltration which cleanses stormwater, replenish aquifers, and protect streams. Astm d8260 20 standard specification for hotapplied asphalt. We provide site preparation, asphalt paving from new construction to asphalt repair, sealcoating, line striping, wheel stops, concrete repair and concrete curbing. The batch plant tower consists of a hot elevator, a screen deck, hot bins, a weigh hopper, an asphalt cement weigh bucket, and a pugmill. Pdf waste plastic as a stabilizing additive in stone mastic asphalt. Study of stone matrix asphalt for the flexible pavement. Napa members are dedicated to providing the highest quality hma paving materials and pavements, and. Asphalt seminar flyer local technical assistance program. Material safety data sheet unhardened and hardened asphalt for hot mix asphalt section i product and company identification material identity trade names. Attaches over existing pin in ductilometer without tools or machine.
The product comprises suitably graded aggregates bound together with an asphaltic cement primarily refined bitumens to produce a dense voidless. Alternative binders for sustainable asphalt pavements papers from a workshop january 22, 2012 washington, d. Icon materials is your premier supplier of aggregate and asphalt products in the puget sound area. Stone mastic asphalt seminar report, ppt, pdf for civil. Asphalt pavements design let mcasphalts expert design engineers help you design the hma mix for your infrastructure investmentits all part of how we deliver the mca advantage. The guide to asphalt paving is published by cat paving products.
Pdf in this study, cockle shell ash was used as a filler material in stone mastic asphalt sma mix to verify the appropriateness and feasibility. Use a highquality mineral filler to meet desired mastic properties. Porous asphalt pavements allow for land development plans that are more thoughtful, harmonious with natural processes, and sustainable. Of the alternate asphalt mixtures, stone mastic asphalt is the most commonly reported.
Performance information is intended for estimating purposes only. Learn more about mastic uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain mastic. Pdf the present study investigates the benefits of stabilizing the stone mastic asphalt sma mixture in flexible pavement with shredded waste. Uses, side effects, interactions, dosage, and warning. Fumes from hot product can cause irritation to the eyes, skin, and respiratory system. Stone mastic asphalt is characterised by its high stone content which forms a gapgraded skeletonlike stone structure. Heavy duty construction allows mixing of heavy material mixed with aggregate. Asphalt cementall grades material safety data sheet. It is important to note that many chemical properties will not correlate with performance so it is a major goal to.
A typical porous pavement has an opengraded surface over an underlying. The asphalt constituentsare classifiedinto three categories. See all 2 formats and editions hide other formats and editions. 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. Unless otherwise indicated, all materials in this pdf are ed by the. The removed asphalt concrete shall be replaced with new asphalt concrete. Pdf the importance of stone mastic asphalt in construction. 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. Engineering road note 10 stone mastic asphalt main roads wa. Asphalt permeable friction course constructed over 4. Design and performance of stone mastic asphalt request pdf. Welcome to the ncdot materials and tests units new web format of the quality management system qms asphalt manual. Every attempt has been made to ensure that specifications and information contained in this book are correct. Asphalt institute executive offices and research center research park drive p.
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