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Industrial Materials Conference November 29 2012 Rebecca S. McDaniel PE PhD Technical Director Steel Furnace Slag in Hot Mix Asphalt
7 Gomaa KH M. Moussa Use of slag as a base course for flexible pavement Alexandria Engineering Journal Vol. 36No 3May 1997. 8 JEGEL. Steel Slag Aggregates Use in Hot Mix Asphalt Concrete. Final Report prepared by John Emery Geotechnical Engineering Limited for the Steelmaking Slag Technical Committee April 1993
In this study steel slag was used as a replacement for mineral aggregate in hot mix asphalt. Two hot mix asphalt mixtures with an equivalent nominal aggregate size of 12.5 C12.5 and 19 mm C19 were produced using steel slag. In addition one conventional hot mix asphalt mixture of C19 was produced using mineral aggregate for comparison .
The 2016 trial project included a one-mile trial section of hot-mix asphalt pavement constructed using steel slag aggregate as a replacement for 20 percent of the coarse aggregate in the HMA. The trial section was part of a project that improved five miles of SR 203 by grinding out the existing pavement and replacing it with new pavement.
Significant amounts of blast furnace slag BFS are generated daily as by-product from iron and steel industries. This waste material usually has interesting physical properties and mineralogical and chemical composition which can be useful as granular aggregate in the production of hot mix asphalt HMA. In this study an experimental program was designed to evaluate the effect on the resistance of a HMA
The same equipment and construction procedures used for conventional hot mix asphalt aggregate can be used for hot mix asphalt paving mixtures incorporating nonferrous slag aggregates. Quality Control Standard and field and laboratory tests for compacted bituminous mixes are given by AASHTO T168 21 T166 22 and ASTM D2950.
Advantages of Slag. Harder than limestone; Denser than limestone; Compacts Better- angular; Greater Surface Area; Resists Polishing
Jul 07 2013 Laboratory tests were conducted to evaluate the feasibility of recycling phosphorus slag into hot-mix asphalt HMA as mineral fillers. The elemental composition of phosphorus slag was analyzed by energy dispersive spectroscopy EDS. The pH value gradation hydrophilic index heat stability and other properties related to mineral filler in .
4 Hot-Mix Asphalt Immersion Purpose Simple examination for contamination by non-slag particles. Accelerated 1 hour test to give quick information on the slag volume expansion. Seven day water immersion test to measure SSA volume expansion. Test on final Marshall hot-mix asphalt briquette to assure stable hot-mix asphalt.
The Steel slag is defined by Kalyoncu 4 as a non-metallic product consisting essentially of calcium. Get Price; Evaluation of rutting potential for asphalt concrete mixes containing . Jun 20 2016 Copper slag CS is a by-product of the copper extraction process which can be used as coarse andor fine aggregate in hot mix asphalt HMA
road construction such as hot 1.mix asphalt cement concrete mix antiskid-layer granular - base and subbase layers. This paper asphaltreview development in various aspects of utilizing steel slag aggregate in dense graded hot mix asphalt. Properties of steel slag can significantly influence performance of roads.
Hot mix asphalt HMA is a merger of 95 stone sand or gravel bound together by asphalt cement. Steel slag is a byproduct of the steel making process. The use of Steel slag in HMA can have a large economical environmental and engineering impact in pavement construction. Introduction of steel slag as aggregates reduces
Apr 15 2019 P. Ahmedzade and B. Sengoz Evaluation of steel slag coarse aggregate in hot mix asphalt concrete Journal of Hazardous Materials vol. 165 no. 1–3 pp. 300–305 2009. View at Publisher Site Google Scholar
Air-cooled AC nickel slag is evaluated for highway construction applications as an aggregate in hot-mix asphalt HMA. The AC nickel slag is a liquid coproduct of nickel production that is solidified under ambient conditions. The laboratory evaluation program which was carried out to determine the characteristics of the AC nickel slag .
9 rows the use of steel slag in hot mix asphalt concrete HMAC. Steel slag a by-product of the .
of steel slag in hot mix asphalt concrete HMAC. This report covers the construction and five-year performance of a pavement constructed with 30 steel slag. Asphalt concrete can be produced and the pavement constructed readily in Oregon when crushed steel slag is used as a portion of the aggregate.
STEEL SLAG UTILIZATION IN ASPHALT MIXES MF 186-1 Page 2 INTRODUCTION Since an earlier CTAA paper in 1973 on steel slag asphalt mixes1 when there had been little use of such mixes in Canada the use of steel slag in asphalt mixes has come of age in Southern Ontario with several suppliers of steel slag aggregate Red-D-Mix
Since a considerable amount of steel slag is produced in the southwestern part of Pennsylvania around Pittsburgh where natural fine aggregate sources are limited an evaluation was undertaken to determine the feasibility of using cured steel slag fine aggregate in hot-mix asphalt HMA mixtures. The objectives of this work were to 1 correlate fine aggregate expansions to the parent .
Air-cooled AC nickel slag is evaluated for highway construction applications as an aggregate in hot-mix asphalt HMA. The AC nickel slag is a liquid coproduct of nickel production that is solidified under ambient conditions. The laboratory evaluation program which was carried out to determine the characteristics of the AC nickel slag .
Asphalt pavement refers to any paved road surfaced with asphalt. Hot Mix Asphalt HMA is a combination of ap-proximately 95 stone sand or gravel bound together by asphalt cement a product of crude oil. Asphalt cement is heated aggregate combined and mixed with the aggregate at an HMA facility. The resulting Hot Mix Asphalt is load-
preserving asphalt cement content in same ratio and flow test result almost the same. Index Terms—Electric arc furnace slag asphalt concrete hot mix marshall test indirect tensile strength moisture damage. I. Because of their high resistance to polishing steel slags INTRODUCTION. The mineral aggregate in hot mix asphalt concrete
The same equipment and construction procedures used for conventional hot mix asphalt aggregate can be used for hot mix asphalt paving mixtures incorporating nonferrous slag aggregates. Quality Control Standard and field and laboratory tests for compacted bituminous mixes are given by AASHTO T168 21 T166 22 and ASTM D2950.
The Steel slag is defined by Kalyoncu 4 as a non-metallic product consisting essentially of calcium. Get Price; Evaluation of rutting potential for asphalt concrete mixes containing . Jun 20 2016 Copper slag CS is a by-product of the copper extraction process which can be used as coarse andor fine aggregate in hot mix asphalt HMA
Since a considerable amount of steel slag is produced in the southwestern part of Pennsylvania around Pittsburgh where natural fine aggregate sources are limited an evaluation was undertaken to determine the feasibility of using cured steel slag fine aggregate in hot-mix asphalt HMA mixtures.
IN-PLACE HOT MIX ASPHALT DENSITY ESTIMATION USING GROUND PENETRATING RADAR . In-situ asphalt mixture density is critically important to the performance of flexible airport pavements density that is too high or too low may cause early pavement distresses. . of slagfiber mix cores... 93 Figure 3.43 Laboratory-measured G .
IN-PLACE HOT MIX ASPHALT DENSITY ESTIMATION USING GROUND PENETRATING RADAR . In-situ asphalt mixture density is critically important to the performance of flexible airport pavements density that is too high or too low may cause early pavement distresses. . of slagfiber mix cores... 93 Figure 3.43 Laboratory-measured G .
More than 140 employees contribute to the operations of eight sites and produce sand and gravel hot mix asphalt slag aggregates ready-mix concrete and crushed limestone for the surrounding markets. The Great Lakes East region has contributed to many projects in the area including an airport paving and an outlet mall project in Niagara .
Jun 07 2018 The objective of this article is to evaluate the feasibility of using SSP as a filler in hot-mix asphalt mixtures HMAs with the aim to eliminate the volume expansion of steel slag asphalt mixture while retaining good pavement performance. First a common AC-13 mixture was designed with limestone aggregate and mineral filler.
The swelling potential of steel slag is of particular importance because of the free lime or magnesia in the slag which if ignored could result in pavement cracking Norton 1979.The use of steel slag in paving mixes should be limited to replacement of either the fine or the coarse aggregate fraction but not both because hot-mix asphalt .
Air-cooled AC nickel slag is evaluated for highway construction applications as an aggregate in hot-mix asphalt HMA. The AC nickel slag is a liquid coproduct of nickel production that is solidified under ambient conditions. The laboratory evaluation program which was carried out to determine the characteristics of the AC nickel slag .