Utilization of steel slag as aggregates for stone mastic asphalt (SMA) mixtures

Wu, Shaopeng; Xue, Yongjie; Ye, Qunshan; Chen, Yongchun

doi:10.1016/j.buildenv.2006.06.008

Cited by 319 publications

(127 citation statements)

References 12 publications

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“…It is also necessary to note, that some researchers (Shi, and Qian 2000) (Wu et al, 2007) reasonably state the necessity of a simultaneous utilization of wastes for a decrease of ecological risks during construction materials production. Construction materials are used for prolonged time and in direct proximity to people.…”

Section: Discussionmentioning

confidence: 99%

Development of the Technology of a Simultaneous Untilization of Heterogenous Industrial Wastes for a Construction Materials Production

Пугин¹,

Vaysman²,

Potapov³

et al. 2014

MAS

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Nowadays a development of industry and technology reached levels, that allow to consider industrial wastes as valuable raw material for construction materials' production. The factor, which prevents from using many kinds of wastes, is a negative impact that they have on environment and people. However, technologies allowing a usage of a simultaneous utilization of wastes with a mutual neutralization effect are known from a practice. The aim of the presented research is the analysis of previous studies on the topic of a utilization of industrial wastes in construction materials and a development of methodological approaches to their simultaneous utilization with an obtainment of construction materials which can be competitive in comparison with analogues produced from natural raw materials. In the paper, methodological approaches to a utilization of heterogeneous industrial waste products and a production of construction materials with a low negative impact on environment are presented. The basis of methodological approaches comprises principles used in the best obtainable technologies. Developed theoretical basis passed approbation during the creation of the technology of a simultaneous utilization of blast furnace slags and waste products of soda production in construction materials manufacture. In case of a utilization of blast furnace slags in construction materials production there is an increased migration of heavy metals and water-soluble compounds. With an introduction of soda m wastes, which have an increased alkaline reserve, to construction materials' composition, water soluble compounds convert in marginally soluble and insoluble. The achieved result is a 2.5-3 times decreased migration of heavy metals in environment in case of contact with water both in acid and alkaline media.

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Section: Discussionmentioning

confidence: 99%

Development of the Technology of a Simultaneous Untilization of Heterogenous Industrial Wastes for a Construction Materials Production

Пугин¹,

Vaysman²,

Potapov³

et al. 2014

MAS

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“…The aim of this research was to produce clean basalt pieces by only removing the weathered crust of the basalt waste-rocks, which would be utilized in many different fields of usage, such as blasting sands, sands used in water treatment, paving stones, ballast stones, powder and granules for construction chemicals, colorful granules for roof coating materials, sub-base sands for astro pitch, wall stones, asphalt applications, ready mixed concrete, colorful sands for parks and playgrounds, epoxy sands, processed plant soils and mineral additives, landscaping, private garden decoration, fibers and heat storage materials [9][10][11][12]. Therefore, an autogenous tumbling process was applied in a laboratory type mill to optimize the tumbling media ratios of different particle sizes of basalt.…”

Section: Open Accessmentioning

confidence: 99%

Autogenous Tumbling Media Assessment to Clean Weathered Surfaces of Waste-Rock Particles from a Basalt Quarry

Tufan

2015

Minerals

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Abstract:In this study, the optimum feed composition in autogenous tumbling of basalt waste-rock particles to clean their weathered surface was determined. The weathered surfaces of basalt are generally cut out consequent to extraction of basalt columns in quarry operations. The inefficiently cut out portions of basalt cause formation of huge quarry waste dumps causing visual pollution on roadsides. Mixtures of different particle size fractions of basalt waste-rock particles were experimented to achieve the optimum feed material composition. The minimum loss of commercially available basalt particles and maximum clear surface was intended. The results were compared with respect to weight loss (%) and reflectance values of used and generated samples.

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“…Shen et al (2009) added BOF into a porous asphalt (PA) mixture, and found that BOF could improve the skid resistance, water sensitivity, rutting resistance and sound absorptivity [11]. When used for BOF slag stone mastic asphalt (SMA) mixtures, BOF slag presents high rutting resistance, high-temperature stability and resistance of moisture damage to improve the stability of high-temperature permanent deformation and low-temperature brittleness, effectively increasing the stability of mixtures [12,13]. indicated that BOF slag could be characterized as a porous material and could improve the absorption of the asphalt binder in asphalt mixture.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Cooling and Pavement Performance of Basic Oxygen Furnaces Slag Used in Asphalt Mixture

Huang¹

2017

Preprint

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Abstract:The basic oxygen furnace slag (BOF) was wide used in road construction, but there was a lack of characteristics in different asphalt mixtures. This study investigates the properties of hot-mixed asphalt (HMA) containing stone mastic asphalt (SMA), porous asphalt (PA) and dense-graded BOF as a partial substitution for natural aggregates. The purpose of this study is to evaluate various BOF slag contents in the asphalt mixtures would affect the cooling behavior after compaction. Asphalt mixture specimens contained 0%, 20%, 40% and 60% BOF slag, respectively, as coarse aggregate. Test results showed that BOF slag has a lipophilic property, so it can be adsorbed by asphalt cement, thereby reducing the cost of asphalt. The stability value of all asphalt mixtures increases with the proportion of BOF slag replacement. In addition, the voids in the mineral aggregate (VMA) value variable exhibited significant differences among asphalt mixtures, and could determine the deviation of the cooling trend of asphalt mixtures. Furthermore; it was found that the cooling procedure of the BOF slag used in dense-graded asphalt mixture takes about 100 min, and that the temperature tends to be moderate; however, it took about 120 min of cooling the SMA and PA mixture with BOF slag. In addition, the voids distribution of dense asphalt mixture was not uniform. It would result in various locations of thermal energy temperature on asphalt mixtures that were inconsistent.

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Utilization of steel slag as aggregates for stone mastic asphalt (SMA) mixtures

Cited by 319 publications

References 12 publications

Development of the Technology of a Simultaneous Untilization of Heterogenous Industrial Wastes for a Construction Materials Production

Development of the Technology of a Simultaneous Untilization of Heterogenous Industrial Wastes for a Construction Materials Production

Autogenous Tumbling Media Assessment to Clean Weathered Surfaces of Waste-Rock Particles from a Basalt Quarry

Evaluation of the Cooling and Pavement Performance of Basic Oxygen Furnaces Slag Used in Asphalt Mixture

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