concrete made from slag aggregate

  • Aggregates for Concrete University of Memphis

    blast furnace slag is also used as fine or coarse aggregate The aggregates are usually washed and graded at the pit or plant Some variation in the type quality cleanli ness grading moisture content and other properties is expected Close to half of the coarse aggregates used in portland cement concrete in North America are gravels;

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  • Aggregates Solutions LafargeHolcim

    Aggregates solutions available at LafargeHolcim can be divided into two main categories Primary natural aggregates extracted from hard rock quarries and deposits of sand and gravel Alternative aggregates consisting of recycled concrete and secondary aggregates from other industrial waste such as mining waste slag and ash

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  • DOING CONCRETE WITH SLAG SAND6 YouTube

    Jun 17 2015· COMPARITIVE STUDY ON CONCRETE USING STEEL SLAG AS FINE AGGREGATE WITH CONVENTIONAL CONCRETE Duration 8 43 Maigandan Raja 1 228 views 8 43 using slag (from induction furnace) in concrete as replacement of river sand

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  • The History of Concrete and Cement ThoughtCo

    Aggregates can include sand crushed stone gravel slag ashes burned shale and burned clay Fine aggregate (fine refers to the size of the aggregate particulates) is used in making concrete

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  • Common Uses for Slag | National Slag Association

    Other uses Include skid resistant asphalt aggregate rail ballast asphaltic concrete aggregate soil conditioner hard stand areas and unconfined construction fill Electric Arc Furnace Slag (EAF or steel furnace slag) Produced when scrap metal and fluxes are oxidized by the use of an electric current Molten slag is generally placed into

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  • Ground Granulated Blast Furnace (GGBF) Slag Used in

    ground granulated blast furnace (GGBF) slag was reported as early as 1774 GGBF slag has been used in concrete in Japan and Western Europe since the 1940s Concrete containing slag is estimated to comprise approximately 20 percent of the hydraulic cement produced in Europe Blast furnace slag is used predominately as base and concrete aggregate

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  • Broader Use of Steel Slag Aggregates in Concrete

    was to evaluate the durability of concrete made with steel slag aggregat This research has shown that replacing some percentage of natural aggregates by steel slag aggregates causes negligible degradation in strength It is shown that as the amount of steel slag is increased beyond 75%; the workability of the concrete mixture became an important

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  • Slag Topic American Concrete Institute

    Jul 31 2019· The American Concrete Institute Founded in 1904 and headquartered in Farmington Hills Michigan USA the American Concrete Institute is a leading authority and resource worldwide for the development dissemination and adoption of its consensus based standards technical resources educational programs and proven expertise for individuals and organizations involved in concrete

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  • Slag Cement Questions

    Slag cement proportions of 40 to 50% normally optimize strength Concretes made with slag cement will generally exhibit higher flexural strength for a given level of compressive strength Modulus of elasticity follows the same relationship as OPC concrete when based on compressive strength

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  • Water to Cement Ratio and Aggregate Moisture Corrections

    May 28 2010· The aggregates will likely absorb water from the mix which may affect the workability of the concrete unless proper adjustments are made to the aggregate and water batch weights Saturated surface dry (SSD) This is achieved under laboratory conditions when all the pores are completely filled with water but no free water remains on the

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  • CBD 215 Waste and By Products as Concrete Aggregates

    Air cooled slag is suitable as an aggregate in concrete A comparison of the compressive strengths of concrete made with blast furnace slag aggregate and that with gravel and crushed limestone shows that slag concrete is stronger Slag fines may be used as a

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  • Using Carbonated BOF Slag Aggregates in Alkali Activated

    Lately e orts have been made to maximise the use of recycled materials in alkali activated binders One of these e orts is using di erent recycled aggregates in concrete Steel slag aggregates have also been studied as a potential replacement material for natural and limestone aggregates and concrete

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  • The use and advantages of slag voestalpine

    Jan 10 2014· Due to its positive technical characteristics LD slag is used all over the world in road and railway construction and for engineering The most common use is as an aggregate in the manufacture of asphalt It is also successfully used as an aggregate for concrete Slag use is subject to strict regulations and standards

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  • Aggregates for Concrete University of Memphis

    blast furnace slag is also used as fine or coarse aggregate The aggregates are usually washed and graded at the pit or plant Some variation in the type quality cleanli ness grading moisture content and other properties is expected Close to half of the coarse aggregates used in portland cement concrete in North America are gravels;

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  • Construction aggregate Wikipedia

    Construction aggregate or simply "aggregate" is a broad category of coarse to medium grained particulate material used in construction including sand gravel crushed stone slag recycled concrete and geosynthetic aggregat Aggregates are the most mined materials in the world

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  • Ground granulated blast furnace slag Wikipedia

    Ground granulated blast furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by product of iron and steel making) from a blast furnace in water or steam to produce a glassy granular product that is then dried and ground into a fine powder

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  • Usage of steel slag in concrete as fine and/or coarse

    In this study the use of steel slag as fine and/or coarse aggregate in concrete is investigated For this purpose 12 different concrete mixtures with different water/cement ratios of 040 055 and 070 which include steel slag aggregate as fine and/or coarse aggregate are prepared

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  • Ground Granulated Blast Furnace Slag (GGBS) | Chemical

    May 09 2018· Ground Granulated Blast Furnace Slag (GGBS) The importance of Ground Granulated Blast Furnace Slag (GGBS) lies in its greener way to become a substitute in concrete material GGBS being a waste material it needs proper method for disposal So incorporating this waste material in concrete can reduce the depletion of conventional concrete components such as cement fine aggregate

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  • Properties of pervious concrete made from steel slag and

    Jun 10 2019· The new pervious concrete (PC) were prepared using magnesium phosphate cement (MPC) as binding and waste steel slag as coarse aggregate A series of laboratory experiments were carried out to study the influence of aggregate size and molding method on the compressive strength flexural strength porosity and water permeability coefficient of magnesium phosphate cement steel slag

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  • Designing Concrete Mixes for Increased Fire or Heat

    One factor that is seldom considered in striving for a high degree of fire or heat resistance in a concrete structure is the design of the concrete mixture itself And yet to name just one example a study has shown that an appropriate change in the type of aggregate used can sometimes double the

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  • Slag Topic American Concrete Institute

    Jul 31 2019· The American Concrete Institute Founded in 1904 and headquartered in Farmington Hills Michigan USA the American Concrete Institute is a leading authority and resource worldwide for the development dissemination and adoption of its consensus based standards technical resources educational programs and proven expertise for individuals and organizations involved in concrete

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  • Slag The All Purpose Aggregate | TMS International

    Slag The All Purpose Aggregate Slag is sometimes erroneously classified as industrial waste In fact this product can be recycled into valuable versatile construction materials for green use We utilize slag a product of steelmaking in versatile construction material for environmentally beneficial use

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  • How to Expose the Aggregate The Concrete Network

    Abrasive blastingIt's also possible to expose the aggregate after the concrete has set and hardened by using abrasive blasting (either sandblasting or shotblasting) The disadvantage of abrasive blasting is that it can fracture the aggregate and dull its appearance

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  • Use of Air Cooled Blast Furnace Slag as Coarse Aggregate

    This report presents available information regarding the use of air cooled blast furnace slag (ACBFS) as coarse aggregate in concrete pavements The report discusses ACBFS aggregate production and properties and the properties of concrete produced with ACBFS coarse aggregate Both the

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  • Use of Steel Slag Aggregate in Pavements Report

    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)

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