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slag used in concrete

Ground granulated blastfurnace slag Wikipedia

Groundgranulated blastfurnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a byproduct of iron and steelmaking) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder.

Get price

Slag Cement Association

Slag cement is a recovered byproduct of the iron manufacturing process and can be used to replace a portion of portland cement in concrete mix design. The use of slag cement has demonstrated longterm performance enhancements allowing designers to reduce the environmental footprint of concrete while ensuring improved performance and increased

Get price

Ground Granulated Blast Furnace Slag an overview

To provide a product with equivalent or greater compressive strengths, only grades 100 and 120 ground granulated blastfurnace slag should be used. However, in mass concrete, the heat of hydration may be an overriding factor, and the use of grade 80 slag may be appropriate.

Get price

Slag Wikipedia

The slag can also be used to create fibers used as an insulation material called slag wool. Basic slag. Basic slag is a coproduct of steelmaking, and is typically produced either through the blast furnace oxygen converter route or the electric arc furnace ladle furnace route.

Get price

Blast Furnace Slag Cement sciencedirect.com

The compressive strength development of slag concrete depends primarily on the type, fineness, activity index, and proportions of slag used in concrete mixtures. In general, the strength development of concrete incorporating slags is slow at 1–5 days compared with that of the control concrete.

Get price

Ground Granulated Blast Furnace Slag (GGBS) Chemical

May 09, 2018 · Ground Granulated Blast Furnace Slag concrete. GGBS hardens very slowly so it is generally used along with ordinary Portland cement in concrete. A typical combination is 50% GGBS and 50% ordinary Portland cement. But percentages of 20 to 80 are commonly used. Greater the percentage of GGBS, greater will be the effect of GGBS in concrete.

Get price

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.

Get price

Pay attention when planning concrete driveways DearMonty

Jan 08, 2013 · The slag may not be the cause of the problem. There are many materials used for base under concrete slab construction. What material one selects varies regionally on availability, the materials properties and the condition of the sub soil under the base.

Get price

Why is slag used in concrete? Quora

Jun 27, 2018 · Hi Copper slag is used in High Performance Concrete. By using the copper slag in concrete as the partial replacement for fine aggregate i.e., sand, the

Get price

Effects of Ground Granulated Blast Furnace Slag in

grade 100 slag cement concrete. The objective of the current research project was to quantify the strength development and deicer scaling resistance of grade 120 slag cement concrete over a range of portland cement sources, aggregates and curing conditions used in Wisconsin.

Get price

(PDF) Steel slag to improve the high strength of concrete

Steel slag to improve the high strength of concrete. The effect of amount and fineness of superfine steel slag power used on mechanical properties of concrete was studied in this paper and

Get price

SCMs in Concrete: Slag Cement Precast concrete

May 05, 2017 · Slag cement concrete''s lower heat of hydration is beneficial in mass concrete appliions and in cases where avoiding excessive concrete temperatures or cold joints is a concern. Concrete made with partial slag cement replacement also generally exhibits decreased permeability, absorption and alkalisilica reactivity.

Get price

Slag Wikipedia

How can the answer be improved?

Get price

Common Uses for Slag National Slag Association

Blast furnace slag products have been used successfully in virtually all phases of bridge construction. Projects such as the bridge pictured here can utilize blast furnace slag as a concrete aggregate. Blast furnace slag has been utilized in concrete masonry for many years.

Get price

Slagment AfriSam

Slagment is the registered trade name of our Ground Granulated Blast Furnace Slag (GGBFS). It is a latent hydraulic binder that is used in concrete and other construction appliions as a partial cement replacement material. We have the capacity to produce over 800 000 tons of slag per year at our Slagment operation in Vanderbijlpark.

Get price

Concrete & Cement Edw. C. Levy Co.

Cement. Production of granulated blast furnace slag is used to make Ecocem, a superior slag cement ideal for underwater appliions.. Slag Cement Slag is a byproduct of iron and steel making. In nature, the ores of metals are found in impure states, often oxidized and mixed in with silies or other metals.

Get price

slag in concrete Topic

Jul 01, 2019 · The use of slag in concrete has several benefits, including reduced energy, reduced greenhouse gas emissions, and reduced use of raw materials. Various types of slag are produced: Blastfurnace slag—The nonmetallic product, consisting essentially of silies and aluminosilies of calcium and of other bases, that is developed in a molten condition simultaneously with iron in a blast

Get price

Why use Fly Ash and Slag in Concrete? BayLynx

It is not uncommon for contractors to overlook the use of fly ash and slag in their concrete. This is usually the case when the contractor doesn''t truly understand the role that Supplementary Cementitious Materials (SCMs) have in concrete.

Get price

Blast Furnace Slag Cement theconstructor.org

Blast furnace slag cement is the mixture of ordinary Portland cement and fine granulated blast furnace slag obtained as a by product in the manufacture of steel with percent under 70% to that of cement. Ground granulated blast furnace slag cement (GGBFS) is a fine glassy granules which contain cementatious properties.

Get price

"Ground Granulated Blast Slag (GGBS) In Concrete – A Review"

On its own, ground granulated blast furnace slag (GGBS) hardens very slowly and, for use in concrete, it needs to be activated by combining it with Portland cement. A typical combination is 50% GGBS with 50% Portland cement, [4]but percentages of GGBS anywhere between 20 and 80 % are commonly used

Get price

SLAG CEMENT AND FLY ASH qcrm4.com

Slag cement does not contain carbon and does not cause instability in the entrained air content. Time of Set.Time of initial set is influenced by the use of slag cement and fly ash. Concrete made with slag cement can have faster set times than concrete made with fly ash (Figure 2). Pumpability and Finishability. Pumpability with slag cement

Get price

Slag Cement: A Valuable SCM to add to Your Concrete

Slag cement in readymixed concrete is used in architectural structures of all kinds, roads and bridges, precast/prestressed products, pipe and block, mass concrete, and a whole host of other appliions. Below are highlights of some of LafargeHolcim''s 2018 awardwinning appliions that have been recognized by the Slag Cement Association.

Get price

Fly Ash, Slag, Silica Fume, and Natural Pozzolans, Chapter 3

Fly Ash, Slag, Silica Fume, and Natural Pozzolans Fly ash, ground granulated blastfurnace slag, silica fume, and natural pozzolans, such as calcined shale, calcined clay or metakaolin, are materials that, when used in conjunction with portland or blended cement, contribute to the properties of the hardened concrete through hydraulic or

Get price

SCMs in Concrete: Slag Cement Precast concrete

May 05, 2017 · Slag cement concrete''s lower heat of hydration is beneficial in mass concrete appliions and in cases where avoiding excessive concrete temperatures or cold joints is a concern. Concrete made with partial slag cement replacement also generally exhibits decreased permeability, absorption and alkalisilica reactivity.

Get price

Supplementary Cementing Materials

Supplementary cementing materials are often added to concrete to make concrete mixtures more economical, reduce permeability, increase strength, or influence other concrete properties. Fly ash, the most commonly used pozzolan in concrete, is a byproduct of thermal power generating stations. Commercially available fly ash is a finely divided

Get price

SCMs in Concrete: Slag Cement Precast concrete

May 05, 2017 · Slag cement concrete''s lower heat of hydration is beneficial in mass concrete appliions and in cases where avoiding excessive concrete temperatures or cold joints is a concern. Concrete made with partial slag cement replacement also generally exhibits decreased permeability, absorption and alkalisilica reactivity.

Get price

Use of Steel Slag Aggregate in Pavements Report

Use of Steel Slag Aggregate in Pavements . It is not used in cement concrete pavements or other concrete appliions due to the expansive nature of the aggregates since expansion causes the concrete to crack. All users specify that the aggregate be cured in a water Use of Steel Slag Aggregate in Pavements Report November 2015

Get price

GENERAL INFORMATION Iron & Steel Slags about NSA

a Carnegie report, "Furnace Slag in Concrete", established a position for slag as a suitable product for use as an aggregate in concrete. In 1917, it was evident that slag had become a valuable product and producing companies would benefit from a more united promotional effort. It was also apparent that slag

Get price

Slag for Driveway tractorbynet.com

Dec 16, 2004 · I would like to put a good stable base of 21AA crushed concrete, slag or limestone 6"8" deep. My questions are: Has anyone used slag and does it give off any smell (dry or wet)? Do the SY coverage/compacted depths/tonnages for the individual 21AA materials on

Get price

Blast Furnace Slag Cement sciencedirect.com

The compressive strength development of slag concrete depends primarily on the type, fineness, activity index, and proportions of slag used in concrete mixtures. In general, the strength development of concrete incorporating slags is slow at 1–5 days compared with that of the control concrete.

Get price

Subgrades & Subbases for Concrete Slabs The Concrete Network

Subgrades and Subbases for Concrete Slabs Having good support for your concrete slab on ground is critical to success By Bill Palmer, Concrete Network Columnist. A wellcompacted subgrade keeps construction out of the mud and provides uniform slab support. Lippincott & Jacobs.

Get price

Blast Furnance Slag User Guideline Portland Cement

The same quality control procedures used for conventional Portland cement concrete can be used for concrete containing GGBFS. UNRESOLVED ISSUES. The primary issue associated with the use of slag cement is the reported loss of durability (salt scaling resistance) for exposed Portland cement concrete containing more than about 25 percent slag cement.

Get price

Slag Cement: The Other SCM intrans.iastate.edu

Slag cement, previously known as groundgranulated blastfurnace slag ⠀䜀䜀䈀䘀, has been used in concrete for well over 100 yeൡrs ⠀䄀䌀䤀 ㈀ ㄀㄀. The first recorded production in the US of blended cement containing both slag and portland cement was in 1896 ⠀䄀䌀䤀 ㈀ ㄀㄀.

Get price

Slag Cement Products Lehigh Hanson, Inc.

Slag cement is used in nearly all types of concrete construction: pavements, structures and foundations, mass concrete (i.e., dams and retaining walls) and precast concrete products such as pipe and block. Advoes point to a number of ways in which slag cement makes concrete better and more consistent: • Easier to place and finish

Get price

Blast Furnace Slag Material Description User

Foamed slag has been used as a lightweight aggregate for Portland cement concrete. Granulated blast furnace slag has been used as a raw material for cement production and as an aggregate and insulating material. and granulated slag have also been used as sand blasting shot materials.

Get price

Ground granulated blastfurnace slag Wikipedia

Groundgranulated blastfurnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a byproduct of iron and steelmaking) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder.

Get price

Slag Cement Association

Slag cement is a recovered byproduct of the iron manufacturing process and can be used to replace a portion of portland cement in concrete mix design. The use of slag cement has demonstrated longterm performance enhancements allowing designers to reduce the environmental footprint of concrete while ensuring improved performance and increased

Get price

Ground Granulated Blast Furnace Slag an overview

To provide a product with equivalent or greater compressive strengths, only grades 100 and 120 ground granulated blastfurnace slag should be used. However, in mass concrete, the heat of hydration may be an overriding factor, and the use of grade 80 slag may be appropriate.

Get price

Slag Wikipedia

The slag can also be used to create fibers used as an insulation material called slag wool. Basic slag. Basic slag is a coproduct of steelmaking, and is typically produced either through the blast furnace oxygen converter route or the electric arc furnace ladle furnace route.

Get price

Blast Furnace Slag Cement sciencedirect

The compressive strength development of slag concrete depends primarily on the type, fineness, activity index, and proportions of slag used in concrete mixtures. In general, the strength development of concrete incorporating slags is slow at 1–5 days compared with that of the control concrete.

Get price

Ground Granulated Blast Furnace Slag (GGBS) Chemical

May 09, 2018 · Ground Granulated Blast Furnace Slag concrete. GGBS hardens very slowly so it is generally used along with ordinary Portland cement in concrete. A typical combination is 50% GGBS and 50% ordinary Portland cement. But percentages of 20 to 80 are commonly used. Greater the percentage of GGBS, greater will be the effect of GGBS in concrete.

Get price

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.

Get price

Pay attention when planning concrete driveways DearMonty

Jan 08, 2013 · The slag may not be the cause of the problem. There are many materials used for base under concrete slab construction. What material one selects varies regionally on availability, the materials properties and the condition of the sub soil under the base.

Get price

Why is slag used in concrete? Quora

Jun 27, 2018 · Hi Copper slag is used in High Performance Concrete. By using the copper slag in concrete as the partial replacement for fine aggregate i.e., sand, the

Get price

Effects of Ground Granulated Blast Furnace Slag in

grade 100 slag cement concrete. The objective of the current research project was to quantify the strength development and deicer scaling resistance of grade 120 slag cement concrete over a range of portland cement sources, aggregates and curing conditions used in Wisconsin.

Get price

(PDF) Steel slag to improve the high strength of concrete

Steel slag to improve the high strength of concrete. The effect of amount and fineness of superfine steel slag power used on mechanical properties of concrete was studied in this paper and

Get price

SCMs in Concrete: Slag Cement Precast concrete

May 05, 2017 · Slag cement concrete''s lower heat of hydration is beneficial in mass concrete appliions and in cases where avoiding excessive concrete temperatures or cold joints is a concern. Concrete made with partial slag cement replacement also generally exhibits decreased permeability, absorption and alkalisilica reactivity.

Get price

Slag Wikipedia

How can the answer be improved?

Get price

Common Uses for Slag National Slag Association

Blast furnace slag products have been used successfully in virtually all phases of bridge construction. Projects such as the bridge pictured here can utilize blast furnace slag as a concrete aggregate. Blast furnace slag has been utilized in concrete masonry for many years.

Get price

Slagment AfriSam

Slagment is the registered trade name of our Ground Granulated Blast Furnace Slag (GGBFS). It is a latent hydraulic binder that is used in concrete and other construction appliions as a partial cement replacement material. We have the capacity to produce over 800 000 tons of slag per year at our Slagment operation in Vanderbijlpark.

Get price

Concrete & Cement Edw. C. Levy Co.

Cement. Production of granulated blast furnace slag is used to make Ecocem, a superior slag cement ideal for underwater appliions.. Slag Cement Slag is a byproduct of iron and steel making. In nature, the ores of metals are found in impure states, often oxidized and mixed in with silies or other metals.

Get price

slag in concrete Topic

Jul 01, 2019 · The use of slag in concrete has several benefits, including reduced energy, reduced greenhouse gas emissions, and reduced use of raw materials. Various types of slag are produced: Blastfurnace slag—The nonmetallic product, consisting essentially of silies and aluminosilies of calcium and of other bases, that is developed in a molten condition simultaneously with iron in a blast

Get price

Why use Fly Ash and Slag in Concrete? BayLynx

It is not uncommon for contractors to overlook the use of fly ash and slag in their concrete. This is usually the case when the contractor doesn''t truly understand the role that Supplementary Cementitious Materials (SCMs) have in concrete.

Get price

Blast Furnace Slag Cement theconstructor

Blast furnace slag cement is the mixture of ordinary Portland cement and fine granulated blast furnace slag obtained as a by product in the manufacture of steel with percent under 70% to that of cement. Ground granulated blast furnace slag cement (GGBFS) is a fine glassy granules which contain cementatious properties.

Get price

"Ground Granulated Blast Slag (GGBS) In Concrete – A Review"

On its own, ground granulated blast furnace slag (GGBS) hardens very slowly and, for use in concrete, it needs to be activated by combining it with Portland cement. A typical combination is 50% GGBS with 50% Portland cement, [4]but percentages of GGBS anywhere between 20 and 80 % are commonly used

Get price

SLAG CEMENT AND FLY ASH qcrm4

Slag cement does not contain carbon and does not cause instability in the entrained air content. Time of Set.Time of initial set is influenced by the use of slag cement and fly ash. Concrete made with slag cement can have faster set times than concrete made with fly ash (Figure 2). Pumpability and Finishability. Pumpability with slag cement

Get price

Slag Cement: A Valuable SCM to add to Your Concrete

Slag cement in readymixed concrete is used in architectural structures of all kinds, roads and bridges, precast/prestressed products, pipe and block, mass concrete, and a whole host of other appliions. Below are highlights of some of LafargeHolcim''s 2018 awardwinning appliions that have been recognized by the Slag Cement Association.

Get price

Fly Ash, Slag, Silica Fume, and Natural Pozzolans, Chapter 3

Fly Ash, Slag, Silica Fume, and Natural Pozzolans Fly ash, ground granulated blastfurnace slag, silica fume, and natural pozzolans, such as calcined shale, calcined clay or metakaolin, are materials that, when used in conjunction with portland or blended cement, contribute to the properties of the hardened concrete through hydraulic or

Get price

SCMs in Concrete: Slag Cement Precast concrete

May 05, 2017 · Slag cement concrete''s lower heat of hydration is beneficial in mass concrete appliions and in cases where avoiding excessive concrete temperatures or cold joints is a concern. Concrete made with partial slag cement replacement also generally exhibits decreased permeability, absorption and alkalisilica reactivity.

Get price

Supplementary Cementing Materials

Supplementary cementing materials are often added to concrete to make concrete mixtures more economical, reduce permeability, increase strength, or influence other concrete properties. Fly ash, the most commonly used pozzolan in concrete, is a byproduct of thermal power generating stations. Commercially available fly ash is a finely divided

Get price

SCMs in Concrete: Slag Cement Precast concrete

May 05, 2017 · Slag cement concrete''s lower heat of hydration is beneficial in mass concrete appliions and in cases where avoiding excessive concrete temperatures or cold joints is a concern. Concrete made with partial slag cement replacement also generally exhibits decreased permeability, absorption and alkalisilica reactivity.

Get price

Use of Steel Slag Aggregate in Pavements Report

Use of Steel Slag Aggregate in Pavements . It is not used in cement concrete pavements or other concrete appliions due to the expansive nature of the aggregates since expansion causes the concrete to crack. All users specify that the aggregate be cured in a water Use of Steel Slag Aggregate in Pavements Report November 2015

Get price

GENERAL INFORMATION Iron & Steel Slags about NSA

a Carnegie report, "Furnace Slag in Concrete", established a position for slag as a suitable product for use as an aggregate in concrete. In 1917, it was evident that slag had become a valuable product and producing companies would benefit from a more united promotional effort. It was also apparent that slag

Get price

Slag for Driveway tractorbynet

Dec 16, 2004 · I would like to put a good stable base of 21AA crushed concrete, slag or limestone 6"8" deep. My questions are: Has anyone used slag and does it give off any smell (dry or wet)? Do the SY coverage/compacted depths/tonnages for the individual 21AA materials on

Get price

Blast Furnace Slag Cement sciencedirect

The compressive strength development of slag concrete depends primarily on the type, fineness, activity index, and proportions of slag used in concrete mixtures. In general, the strength development of concrete incorporating slags is slow at 1–5 days compared with that of the control concrete.

Get price

Subgrades & Subbases for Concrete Slabs The Concrete Network

Subgrades and Subbases for Concrete Slabs Having good support for your concrete slab on ground is critical to success By Bill Palmer, Concrete Network Columnist. A wellcompacted subgrade keeps construction out of the mud and provides uniform slab support. Lippincott & Jacobs.

Get price

Blast Furnance Slag User Guideline Portland Cement

The same quality control procedures used for conventional Portland cement concrete can be used for concrete containing GGBFS. UNRESOLVED ISSUES. The primary issue associated with the use of slag cement is the reported loss of durability (salt scaling resistance) for exposed Portland cement concrete containing more than about 25 percent slag cement.

Get price

Slag Cement: The Other SCM intrans.iastate.edu

Slag cement, previously known as groundgranulated blastfurnace slag ⠀䜀䜀䈀䘀, has been used in concrete for well over 100 yeൡrs ⠀䄀䌀䤀 ㈀ ㄀㄀. The first recorded production in the US of blended cement containing both slag and portland cement was in 1896 ⠀䄀䌀䤀 ㈀ ㄀㄀.

Get price

Slag Cement Products Lehigh Hanson, Inc.

Slag cement is used in nearly all types of concrete construction: pavements, structures and foundations, mass concrete (i.e., dams and retaining walls) and precast concrete products such as pipe and block. Advoes point to a number of ways in which slag cement makes concrete better and more consistent: • Easier to place and finish

Get price

Blast Furnace Slag Material Description User

Foamed slag has been used as a lightweight aggregate for Portland cement concrete. Granulated blast furnace slag has been used as a raw material for cement production and as an aggregate and insulating material. and granulated slag have also been used as sand blasting shot materials.

Get price