A few years ago, at the beginning of the work on this book about sma, i did not suppose it would take on such imposing proportions. Effect of coarse aggregate content on stone matrix asphalt. Compacting stone matrix asphalt transportation research board. North dakota asphalt conference april 2, 20 bismarck, nd. Stone matrix asphalt mix designs sma are reviving use of the static drum roller because of potential damage to the sma with vibratory rollers. Stone matrix asphalt sma is a tough, stable, rutresistant mixture that relies on stone on stone contact to provide strength and a rich mortar binder to provide durability 1. Among his topics are the concept of stone matrix asphalt sma, the skeleton of coarse aggregates, stabilizers, designing sma composition, analysis and laboratory tests, transport and laydown of the mixture, problems, special applications, and european standards. Stone matrix asphalt using aggregates modified with waste plastics. Meanwhile, over the course of work on the publication, it turned out that the quantity of accessible materials on sma was really spectacular, and the range of smarelated subjects was enormous. Laboratory performance of stone matrix asphalt mixtures. The stone matrix is a six piece template pattern system that is completely interchangeable with its partner pieces, top and bottom and end to end, which creates a different group of stones each time a tool edge meets a different edge. The stone matrix asphalt sma technical working group twg, composed of federal, state, and industry representatives, was formed in 1992. Student 2assistant professor 3adjunct professor 1,2,3department of civil engineering 1,2,3parul institute of engineering and technology abstractthere are three major types of asphalt surfacing. It contains a high concentration of coarse aggregates forming stoneonstone.
It has become famous not only because of the sma application but also because of the atypical arrangement of the reconstruction of the runway pavement. Manual for construction and supervision of bituminous works. It provides a deformationresistant, durable surfacing material, suitable for heavily trafficked roads. Evaluation of stonematrix asphalt mixtures containing. A simple test to quantitatively measure draindown was developed in this study. The sma twg developed the sma model material and con struction guidelines. Haddock introduction stone matrix asphalt sma is a type of hot mix asphalt hma that has been used in europe for over 20 years to resist studded tire wear and to provide better rutting resistance. This tool allows anybody to dive into the world of vertical concrete with confidence. The mix was found to be better rut resistant and durable than conventional dese graded mixtures and this prompted many countries in europe and united states us to adopt. The work shall be in accordance with these specifications and shall conform to the lines, grades, thicknesses, and typical crosssections shown on the plans or established by the engineer.
Construct a pavement layer composed of a compacted stonematrix asphalt sma or stonematrix asphalt rubber smar mixture of aggregate, asphalt binder, and additives mixed hot in a mixing plant. There is more stone on stone contact with sma with a high proportion of asphalt cement and polymer additives to bind and seal the material. Now that the sma mixtures have been exposed to a significant amount of traffic and several years of. Stone mastic asphalt sma is widely used throughout the world as one of the. Study of stone matrix asphaltsmausing different fillers akash ka.
Conference on stone matrix asphalt thank you to everyone who attended and participated in the conference. Products and procedures for laying and compacting a surface course of one or more layers of fiber stabilized sma comprised of aggregate, asphalt binder, lime, and other additives. 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. Stone matrix asphalt sma is a gapgraded asphalt mixture performing better than conventional densegraded mixtures. The use of stone mastic asphalt sma as a surfacing for heavily trafficked. Spesifikasi stone matrix asphalt sma 1 ruang lingkup spesifikasi ini menetapkan ketentuan bahan dan ketentuan campuran stone matrix asphalt sma untuk lapis permukaan atau lapis aus, baik yang menggunakan aspal pen 60 s. Stone mastic asphalt sma, also called stone matrix asphalt, was developed in germany in the 1960s with the first sma pavements being placed in 1968 near kiel. Utilization of ripe coconut fiber in stone matrix asphalt mixes.
Stone matrix asphalt transportation research board. Characterization of stone matrix asphalt with cellulose and coconut fiber chapter pdf available november 2012 with 724 reads how we measure reads. Materials special provision, section 02744 stone matrix. Asphalt field engineer virginia department of transportation introduction. Stone mastic matrix asphalt sma midsize aggregate missing or reduced stone matrix asphalt open graded friction course dense mix.
Certified that this thesis entitled influence of additives on the characteristics of stone matrix asphalt, submitted to cochin university of science and technology, kochi for the award of degree of doctor of philosophy, under the faculty of engineering, is the bonafide research carried out by smt. Pdf characterization of stone matrix asphalt with cellulose. Designing and constructing sma mixtures illinois asphalt. Brown and rajib basu mallick draindown of asphalt cement is one problem encountered so far with stone matrix asphalt. These objectives are usually achieved with a gapgraded aggregate coupled with fiber or polymer modified, and high asphalt content matrix 1. It is composed of a strong aggregate skeleton, and a binder mastic composed of a high asphalt cement content, a cellulose or mineral fiber and high percentage of mineral filler. On november 57, 2018, the national asphalt pavement association with support from the federal highway administration will host the 1st international conference on stone matrix asphalt sma in atlanta, georgia. Lynn introduction background stone matrix asphalt sma is a type of hot mix asphalt hma consisting of a coarse aggregate skeleton and a high binder content mortar. Construct a hotmix asphalt hma pavement layer composed of a compacted stone matrix asphalt sma or stone matrix asphalt rubber smar mixture of aggregate, asphalt binder, and additives mixed hot in a mixing plant. Stone matrix asphalt sma is a gap graded bituminous mixture with high concentration of coarse aggregates and higher mastic bitumen and filler content. Chapter 2b design and control of stone matrix asphalt sma. Stone matrix asphalt sma 1 1 1st international conference on stone matrix asphalt sma atlanta, georgia november 6th.
Theory and practice describes sma, from its origin through implementation, and explores various methods and design approaches. Stone matrix asphalt january 28, 2005 ncaupg meeting lafayette, in. Stone matrix asphalt sma is a tough, stable, rut resistant mixture that relies on stone to stone contract for its strength and a rich mortar binder for its durability. Furnish uncontaminated materials of uniform quality that meet the requirements of the. The guide combines the selection criteria for these different pavement mix types into one document.
In current situation a stone matrix asphalt sma of strong, resistance to fatigue. Sma, stone matrix asphalt, hot mix asphalt, stoneonstone contact, mixture design, plant production. The asphalt pavement alliance has awarded its perpetual. In the main roads standards manual, in addition to general aspects, the. The aim of this project is to evaluate the potential use of stone matrix asphalt utilizing alluvial aggregates for use as a rut mitigation tool for heavily rutted roadways. Stone matrix asphalt is a coarse graded rut resistant engineered hot mix asphalt surface layer. Study of stone matrix asphaltsmausing different fillers. Mar 19, 2016 the time is right for a comprehensive resource that collects, examines, and organizes this information and makes it easily accessible. Stone matrix asphalt sma is a gapgraded blend which possesses a high deliberation coarse. One of the bestknown applications of an sma mixtures for airfields is the northern runway of the airport in frankfurt on the main fraport. Keywords stone matrix asphalt stone to stone contact drain down aggregate gradation nominal maximum aggregate size 1 introduction stone matrix asphalt sma is a gapgraded hma developed in germany in the 1960s, to resist the wear and tear on pavements caused by studded tyres. Theoretical maximum density tmd, also called rice density the theoretical maximum density of an hma if it contained zero air voids.
The sma stone matrix asphalt mixture is a gapgraded mix. Highway agencies have been using increasing amounts of reclaimed and recycled materials over the past number of years, as asphalt prices have continued to rise. Pdf effects of filler type and particle size on permanent. Haddock, and john bukowski introduction stone matrix asphalt sma mixtures have been used in the united states since 1991. Sma, also called stone mastic asphalt, was developed in germany in the 1960s to provide heavily trafficked roads with a durable, rutresistant wearing course using a gapgraded aggregate structure. Ogfc, stone matrix asphalt sma, and fine and coarsegraded dense mixes. A demonstration of stone matrix asphalt mix designs using high polish value crushed stone introduction historically, the fort worth district has used either lightweight aggregate or a crushed gravel from reeves county, texas, when a polish value of 3s minimum was required for a hot mix. Pdf on nov 22, 2012, s awanti and others published characterization of stone matrix asphalt with cellulose and coconut fiber find, read and cite all the research you need on researchgate. 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. Effect of flat and elongated aggregate on stone matrix asphalt performance 83.
Pdf lignin fibers typically influence the mixture performance of. Laboratory study on draindown of asphalt cement in stone matrix asphalt e. Asphalt field engineer virginia department of transportation robert a. Sma in wisconsin crusher adjustments plant adjustments design and testing paving. Specific mix design objectives stability permanent deformation resistance durability. Fatigue life was noted directly from the output from computer data acquisition system. The mortar is a mixture of asphalt binder, mineral filler and a stabilizing additive. Pdf introduction the main cause of premature failure of pavements. Stone matrix asphalt sma is a gapgraded asphalt pavement designed to improve rut resistance and durability through the use of a stable stone on stone skeleton held together by a rich mixture of asphalt cement, along with stabilizing agents such as fibers andor asphalt modifiers. Conference on stonematrix asphalt for construction pros. A performance baseline for stone matrix asphalt kevin k. Stone matrix asphalt indian experiences over the years india has seen a tremendous rise not only in the traffic volume, but heavy loading as well.
Stone mastic asphalt sma is a gap graded special mix consists of up to 80% by weight of. Senior research scientist virginia transportation research council trenton m. Effect of coarse aggregate content on stone matrix asphalt rutting and drain down walaa s. Pdf stone matrix asphalt using aggregates modified with. Study of stone matrix asphalt for the flexible pavement. Sma is a hotmix asphalt consisting of two parts, a coarse aggregate skeleton and a rich asphalt binder mortar. To develop this document, information was obtained from a combination of literature. Stuart the stone matrix asphalt sma technical working group twg, com posed of federal, state, and industry representatives, was formed in 1992. Comparison of stone matrix asphalt mixtures prepared in. The technology of asphalt materials and mixtures is discovered and mostly used in europe and north america. Most stone matrix asphalt work to date utilizes trap rock or quarried aggregates in the production of the mix. Sma, also called stone mastic asphalt, was developed in germany in the 1960s to. Pdf effect of fibers on mixture design of stone matrix asphalt.
A compilation and distillation of the latest knowledge available, stone matrix asphalt. Laboratory study on draindown of asphalt cement in stone. Stone matrix asphalt sma is a hot asphalt mixture in which coarse. Stone matrix asphalt pavement is hot mix asphalt consisting of two parts a coarse aggregate skeleton and a binder rich mortar. The hma pavement mix type selection guide provides designers with methods for. This work consists of the construction of a stone matrix asphalt wearing course mixture sma. 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.774 435 1469 600 735 591 845 397 90 1645 1659 1243 126 748 1432 182 722 1453 408 137 1324 492 1130 163 1403 473 251 11 17 218 654