Recycled Materials and Byproducts in Highway Applications—Summary Report, Volume 1 (2013) / Chapter Skim
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Pages 26-30
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26 Ferrous slag Byproducts Background Ferrous slags are the byproducts of the iron, produced by the first furnace and steel, produced with a second furnace process. Iron is obtained by combining iron ore, iron scrap, and fluxes (limestone and/or dolomite)
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27 improved cost savings. The high specific gravity of steel slag made it more costly to haul because more tonnage was needed to produce the same volume.
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28 included embankment and drainage applications. A number of states indicated a generic use of blast furnace slags in a range of applications, with embankments being the most common.
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29 Slag Byproducts 2009 Blast Furnace Slag (BFS) 4 2 5 VT-1 4 1 1 2 1 NJ-1 MD-1 2009 Air Cooled Blast Furnace Slag (ACBFS)
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30 agency survey results for Non-Ferrous slag Byproducts The agency survey question for non-ferrous slag usage in highway applications and agency responses are shown in Table 10. Only Kentucky indicated having used phosphorous slag in HMA applications.
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