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Responses of Concrete Using Steel Slag as Coarse Aggregate ...

Experimental tests were performed to investigate the responses of coarse steel slag concrete under splitting and flexure. The name of coarse steel slag concrete (CSC) here refers to concrete using industrial byproduct steel slag as natural coarse aggregate replacement. Three CSC types were examined in this investigation as follows: CSC1, CSC2, and CSC3, having a water/cement ratio of …

Evaluation of steel slag coarse aggregate in hot mix ...

This 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.

Evaluation of steel slag coarse aggregate in hot mix ...

Steel slag used in paving mixes should be limited to replace either the fine or coarse aggregate fraction, but not both, since hot mix asphalt containing steel slag is susceptible to high void space and bulking problems due to the angular shape of steel slag aggregate.

Recent Improvements in Quality of Steel Slag Aggregate

Steel slag aggregate has been used in premium surface course hot-mix asphalt for Ontario highways since the early 1970s. Asphalt pavement performance problems led to the Ministry of Transportation imposing a moratorium on the use on steel slag aggregate in late 1991. The prob­

(PDF) Use of steel slag aggregate in asphalt concrete mixes

Moreover, cost analysis reveals that asphalt mixes using FA, GP, and steel slag aggregate decrease the construction and life cycle costs compared to the control mix. As a whole, FA, GP, and steel ...

Use of Steel Slag as Coarse Aggregate for the Production ...

Steel slag and Construction and Demolition Pervious) and finally the fifth one had all the three types of aggregates 50% limestone aggregates, 25% steel slag and 25% C&D Wastes with w/c: 0.56 (LSCDP†: Limestone, Steel slag and Construction and Demolition Pervious). † C&D Wastes were used on wet base (% moisture = 4.8) 0 10 20 30 40 50 60 70 ...

The use of steel slag aggregate to enhance the …

The use of RCA and steel slag as coarse aggregate in normal concrete mixes is useful in reducing the environmental problems created by dumping these materials, and also helps to maintain sustainability of the environment by reducing the new quarries needed for new concrete. 2.

Steel Slag Aggregate - an overview | ScienceDirect Topics

George C. Wang, in The Utilization of Slag in Civil Infrastructure Construction, 2016 10.5.3 Reclaimed asphalt pavement containing slag aggregate. Recent research found that some steel slag aggregates in RAP, with 92% steel slag aggregates, showed considerably high expansion potential, up to 6.2% swell. The overall RAP gave maximum expansion amounts of 1.69% and 1.46%, respectively, which ...

Use of low CaO unprocessed steel slag in concrete as fine ...

In this research, local unprocessed steel slag is introduced in concrete mixes. Various mixes with compressive strength ranging from 25 to 45 MPa are studied. The slag is used as fine aggregate replacing the sand in the mixes, partly or totally. …

Steel Slag - Material Description - User Guidelines for ...

The primary applications for steel slag in the United States are its use as a granular base or as an aggregate material in construction applications. Disposal. While most of the furnace slag is recycled for use as an aggregate, excess steel slag from other operations (raker, ladle, clean out, or pit slag) is usually sent to landfills for disposal.

(PDF) Use of steel slag aggregate in asphalt concrete ...

Use of steel slag aggregate in asphalt concrete mixes. IntroductionThe major properties that bituminous paving mixtures should have are stability, durability, flexibility, and skid resistance (in the case of wearing surfaces) (Haas et al. 1994). Suitable materials (asphalt, aggregate, and additives) and proper mix design procedure should be ...

Broader Use of Steel Slag Aggregates in Concrete

Steel slag is currently used as aggregate in hot mix asphalt surface applications, but there is a need for some additional work to determine the feasibility of utilizing this industrial by-product more wisely as a replacement for both fine and coarse aggregates in

Use of Blast Furnace Slag Aggregate in Concrete

strength is more than the natural aggregate. Steel slag aggregates are already being used as aggregates in asphalt paving road mixes due to their mechanical strength, stiffness, porosity, wear resistance and water absorption capacity. C 1.1. Ground Granulated Blast-Furnace Slag: Its Chemistry and Use with Chemical Admixtures

A STUDY ON THE ECONOMIC USING OF STEEL SLAG …

the benefit of using steel slag aggregate and introducing fiber into asphalt mixtures in terms of extend service life of an existing layer. However, Steel slag aggregate were immersedin the water for 6 months as a treatment to reduce free lime and magnesium oxide content, respectively. ...

Use of Steel Slag in Concrete as Fine Aggregate

the utilization of steel slag as aggregate in concrete. They concluded that the use of air-cooled steel slag with low amorphous silica content and high amount of ferric oxides is unsuitable to be used in blended cement. On the other hand, Utilization of steel slag as aggregate is advantages when compared with normal aggregate mixes.

STUDY ON CONCRETE USING STEEL SLAG AS COARSE …

steel slag aggregates for coarse aggregate and 40 percent of ecosand for fine aggregate will not have any adverse effect on the strength of the concrete. 1. Introduction Steel slag is an industrial byproduct obtained from the steel manufacturing industry. It is a non …

(PDF) Re-Use of Silico-Manganese Slag

The use of steel slag aggregate to enhance the mechanical properties of recycled aggregate concr ete and retain the. environment. Constr. Build Mater. 2014, 54, 298–304. [CrossRef] 11.

Mechanical Properties of Concrete Using Steel Slag Aggregate

Shrinkage of steel slag exposed to a dry environment was similar to limestone aggregate. 1.5 OBJECTTIVES The objective of this research was to find combined aggregate gradations, using Steel slag aggregate, which will significantly reduce the amount of cement required by 10% to 15% without compromising concrete properties.

Steel Slag: The Incredible, Upcycable Byproduct of ...

Slag, also known as steel aggregate, is the primary byproduct of steelmaking. The residue is comprised of minerals such as silica, alumina and titanium from ironsand, as well as other combinations of calcium and magnesium oxides derived from other raw materials. During smelting, slagging agents and fluxes are added to the blast furnace or ...

Steel Slag Aggregate Used in Portland Cement Concrete: U.S ...

Research on the use of steel slag aggregate in PCC has been carried out in Spain, Germany, Canada, Italy, India, and Saudi Arabia. Despite some limited field applications, virtually all research has been done in the laboratory. Much of this work shows that properly aged steel slag can be nonexpansive when used in PCC.

Use of Steel Slag Aggregate in Pavements Report - November ...

Steel slag aggregate (SSA) is a byproduct of the production of steel in an electric arc furnace. The high iron oxide content of the aggregate results in an aggregate that is very hard and very dense (SSA is 20-30% heavier than naturally occurring aggregates such as basalt and granite).

Blast Furnaces And Steel Slag Production Properties And Uses

Use of steel slag, fly ash and blast furnace slag in road applications, such as in subgrade stabilization projects, can be a cost-effective alternative to lime stabilization in some cases. In addition, use of large quantities of these underutilized industrial by-products in these types of applications helps to reduce the need for new disposal

Abrasion evolution of steel furnace slag aggregate for ...

Despite the efforts to promote a wider use of steel slag as bal-last aggregate [7,8], including its mention in the European Stan-dard for railway ballast [9], some countries still only allow natural crushed rock, mainly due to the unqualified properties of steel slag aggregate.

(PDF) Enhancement of Mechanical Properties and Porosity of ...

The use of steel slag aggregate to enha nce the mechanical properties of recycled aggregate . concrete and retain the environment. Constr. Build. Mater. 2014, 54, 298–304. 17.

Concrete aggregate : Iron and steel slag products : NIPPON ...

Fine aggregate is a mechanically stabilized aggregate created by using water, air, or other means to rapidly cool the molten slag after it is removed from the furnace. Recognized advantages JIS standards were formulated for blast furnace slag course aggregates in 1977, and for fine aggregates in 1981.

STUDY ON CONCRETE USING STEEL SLAG AS COARSE AGGREGATE …

Corpus ID: 138986321. STUDY ON CONCRETE USING STEEL SLAG AS COARSE AGGREGATE REPLACEMENT AND ECOSAND AS FINE AGGREGATE REPLACEMENT @inproceedings{Chinnaraju2013STUDYOC, title={STUDY ON CONCRETE USING STEEL SLAG AS COARSE AGGREGATE REPLACEMENT AND ECOSAND AS FINE AGGREGATE …

Expansion Level of Steel Slag Aggregate Effects on Both ...

Steel slag was then used as aggregate in HMA to verify the effects of its expansion characteristics on the volumetric and mechanical performance of the asphalt mixture. Four different asphalt mixtures were designed based on Marshall mix design, using asphalt cement (pen. grade 50/70), natural aggregate (granite), and steel slag (in three ...

Stiffness and Rutting Assessment of Asphalt Mixtures Using ...

The steel slag aggregate samples were selected from three different stockpiles of coarse aggregates, fine aggregates, and mineral filler. Two AC mixtures were used in this study as follows 1. Conventional wearing (surface) AC mixture, Gabbro aggregate. 2. Steel slag wearing (surface) AC mixture, 50% Gabbro aggregate and 50% steel slag ...

AN ENVIRONMENTAL STUDY OF THE USE OF STEEL SLAG …

following project studies the potential recovery of Electric Arc Furnace Slag and its use as material fill in gabion cages. From a sustainability point of view, the recovery of steel slag is positive from all perspectives. (a) Economically: steel slag is cheaper in comparison to natural rock

Aggregate from waste steel slag: quality protocol - GOV.UK

Product end use: steel slag aggregate for hydraulically bound mixtures. Standard: BS EN 13242. Application specification: Highway Works series 800 and BS EN 14227-1 to 5.