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 …
WhatsApp: +86 18221755073"Characteristics of hot mix asphalt containing steel slag aggregate according to temperature and void percentage." Constr. Build. Mater. 188 (Nov): 1128–1136.
WhatsApp: +86 18221755073INTRODUCTION. Steel slag can be processed into a coarse or fine aggregate material for use in dense- and open-graded hot mix asphalt concrete pavements, (1,2,3) and in cold mix or surface treatment applications. (4) Proper processing of steel slag and special quality-control procedures are extremely important in selecting steel slag for use in asphalt paving mixes.
WhatsApp: +86 18221755073EVALUATION OF HOT-MIX ASPHALT CONTAINING PORTLAND CEMENT TREATED BLAST FURNACE SLAG H. A. RONDÓN-QUINTANA1, J. C. RUGE-CARDENAS2, J. G. BASTIDAS-MARTÍNEZ3 Iron production's waste materials include significant quantities of blast furnace slag (BFS) which could potentially be used as a substitute for natural aggregates in hot mix asphalt …
WhatsApp: +86 18221755073Asphalt 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-
WhatsApp: +86 18221755073In the last decades, steel slag has been analyzed in several studies: basic oxygen furnace (BOF) slag was integrated into a warm [13,14], porous hot mix asphalt, stone mastic asphalt (SMA-BOF), dense-graded asphalt concrete (DGAC …
WhatsApp: +86 18221755073Steel slag from the basic oxygen steelmaking (BOS) and electric arc furnace (EAF) methods is widely used in construction in many countries, including the United States [1] the UK [2, 3], Europe, Australia, Japan and India.Applications include bound and unbound construction products of hot mix asphalt pavements, granular base and subbase, embankments, and …
WhatsApp: +86 18221755073Keywords: ferronickel slag; alternative aggregate; hot mix asphalt; asphalt paving; Marshall mix design. 1. Introduction. Brazil is a country of continental dimensions, and has as its main transportation modal, the road system that is responsible for more than 61% of the cargo transportation matrix and 95% of the passenger transportation. The ...
WhatsApp: +86 18221755073It may be composed of crushed stone, crushed slag, crushed or uncrushed gravel and sand, or of hot mix asphalt, typically with larger size aggregate. Batch Plant * : A manufacturing facility for producing asphalt paving mixtures that proportions the aggregate constituents into the mix by weighed batches and adds asphalt material by either ...
WhatsApp: +86 18221755073In light of this, this study promotes the use of induction furnace steel slag (IFS), a waste of the steel industry, in hot mix asphalt (HMA). IFS has not yet been researched as a …
WhatsApp: +86 18221755073The demand for more sustainable transport infrastructure has led to a broader acceptance of waste materials in pavements. An excellent example of this trend is the incorporation of steel slag aggregates (SSA) in asphalt mixtures. This work evaluates the mechanical performance of asphalt mixtures that include SSA in their composition. Asphalt …
WhatsApp: +86 18221755073The 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 containing steel slag is susceptible to a high proportion of air voids and bulking problems because of the angular shape of the SSA.3 Mixes with a high proportion of air voids (e ...
WhatsApp: +86 18221755073While cold mix asphalt offers a low-carbon alternative to hot mix asphalt, its limited durability and susceptibility to moisture damage have hindered its widespread use. To address these challenges, we applied a hybrid approach, incorporating both coarse and fine steel slag, to improve the durability of cold mix asphalt by amplifying its ...
WhatsApp: +86 18221755073Hot mix asphalt (HMA) mixtures were developed from four different levels of steel wool fibers (SWF) as a conductive additive and two types of aggregate were used: steel slag aggregate and conventional aggregate. ... Moisture sensitivity and mechanical performance assessment of warm mix asphalt containing by-product steel slag. J. Cleaner Prod ...
WhatsApp: +86 18221755073Long-term environmental sustainability and the secure disposal of industrial waste are important objectives of sustainable development. In light of this, this study promotes the use of induction furnace steel slag (IFS), a waste of the steel industry, in hot mix asphalt (HMA). IFS has not yet been researched as a substitute for natural granite aggregate (NGA) for producing …
WhatsApp: +86 18221755073DOI: 10.1016/j.jhazmat.2008.09.105 Corpus ID: 716840; Evaluation of steel slag coarse aggregate in hot mix asphalt concrete. @article{Ahmedzade2009EvaluationOS, title={Evaluation of steel slag coarse aggregate in hot mix asphalt concrete.}, author={Perviz Ahmedzade and Burak Sengoz}, journal={Journal of hazardous materials}, year={2009}, volume={165 1-3}, pages={ …
WhatsApp: +86 18221755073The use of steel slag in hot-mix asphalt (HMA) to mitigate studded tire wear can be a viable practice, provided that the SSA performance in the HMA is comparable to that of natural
WhatsApp: +86 18221755073Some of the positive features of steel slag aggregates in hot mix asphalt include good frictional properties and stripping resistance, high stability, and resistance to …
WhatsApp: +86 18221755073Finally, the results indicated that using recycled steel slag for producing hot mix asphalt could produce a more durable asphalt in comparison to using RAP. Discover the world's research.
WhatsApp: +86 18221755073This paper presents the influences of the utilization of steel slag as a coarse aggregate on the properties of hot mix asphalt. Four different asphalt mixtures containing two …
WhatsApp: +86 18221755073In September 1994, steel slag test and control sections were constructed in Oregon to evaluate the use of steel slag in hot mix asphalt concrete (HMAC). his report covers the construction …
WhatsApp: +86 18221755073Cold-mix asphalt, produced at ambient temperatures, generates significantly lower CO2 emissions compared to hot-mix asphalt, which requires high-temperature mixing and compaction. However, concerns have arisen regarding the lower durability of cold-mix asphalt when exposed to various environmental stressors, leading to the formation of cracks.
WhatsApp: +86 18221755073Hot Mix Asphalt (HMA) is a blend of various sizes of aggregate particles and asphalt cement. The aggregates in HMA consist of crushed rock, gravel, or slag. These are combined in different sizes for the necessary gradation, with finer aggregates filling the spaces between larger ones to create a denser final product. The asphalt cement, a ...
WhatsApp: +86 18221755073This study aims to analyze the applicability of steel slag in the asphalt mixtures for the self-healing purpose using microwave heating technique.
WhatsApp: +86 18221755073This paper presents the influences of the utilization of steel slag as a coarse aggregate on the properties of hot mix asphalt. Four different asphalt mixtures containing two types of asphalt cement (AC-5; AC-10) and coarse aggregate (limestone; steel slag) were used to prepare Marshall specimens and to determine optimum bitumen content.
WhatsApp: +86 18221755073In 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 ...
WhatsApp: +86 18221755073Steel slag aggregates use in hot mix asphalt concrete. Final report prepared for the Steelmaking Slag Technical Com-mittee, Toronto, Ont. John Emery Geotechnical Engineering Limited (JEGEL).
WhatsApp: +86 18221755073DOI: 10.5402/2012/459016 Corpus ID: 72949460; Steel Slag as an Aggregate Replacement in Malaysian Hot Mix Asphalt @article{Hainin2012SteelSA, title={Steel Slag as an Aggregate Replacement in Malaysian Hot Mix Asphalt}, author={Mohd Rosli Hainin and Nur Izzi Md. Yusoff and M. Sabri and M. Aziz and Mohd Anwar Sahul Hameed and Wasid Farooq Reshi}, …
WhatsApp: +86 18221755073Hot 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
WhatsApp: +86 18221755073This study deals with evaluation of steel slag utilization as filler material in hot mix asphalt. Steel Slag is generated as waste material or by-product from steel industries. According to large number of steel making factories all around the world, in recent years many researches have been done minimize environmental impacts of this waste by ...
WhatsApp: +86 18221755073In the last decades, steel slag has been analyzed in several studies: basic oxygen furnace (BOF) slag was integrated into a warm [13,14], porous hot mix asphalt, stone mastic asphalt (SMA-BOF), dense-graded asphalt concrete (DGAC-BOF) or used as the main constituent in hydraulic road binder . The results showed that the addition of steel slag ...
WhatsApp: +86 18221755073Significant 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).
WhatsApp: +86 18221755073The 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
WhatsApp: +86 18221755073Based on the data obtained in this work, steel slag and gravel aggregates have a promising potential to be used in hot mix asphalt concrete paving mixtures on Qatar's roads, whether in asphalt ...
WhatsApp: +86 18221755073In order to enhance the electrical conductivity of hot mix asphalt (HMA), copper slag (CS) was used to replace basaltic fine aggregates with same volume and particle size, and short-cut carbon fiber (CF) with high carbon content was added. Eighteen types of mixtures were prepared with 6 copper slag substitution ratios increasing from 0% to ...
WhatsApp: +86 18221755073Pundhir et al. partially replaced fine aggregate with CS in various bituminous mixes and reported suitable on the basis of mechanical properties [12].A laboratory study conducted by Hassan & Al-Jabri on the use of copper slag in hot mix asphalt (HMA) concluded that satisfactory mix results can be obtained up to 10% CS in the bituminous mixtures [13].
WhatsApp: +86 18221755073This paper presents the influences of the utilization of steel slag as a coarse aggregate on the properties of hot mix asphalt.Four different asphalt mixtures containing two types of asphalt cement (AC-5; AC-10) and coarse aggregate (limestone; steel slag) were used to prepare Marshall specimens and to determine optimum bitumen content. Mechanical …
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