is slag used in the cement indonesia

is slag used in the cement indonesia

 · Indonesia: Krakatau Semen Indonesia (KSI) is targeting strategic infrastructure projects for its slag cement products. The company''s ground granulated blast furnace slag (GGBFS) no longer requires special permission to be used, according to the Antara news agency.

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Portland Slag Cement

Properties of Portland Slag Cement. The specification of Slag Cement is given in the Indian Standard Code IS Code 455:1989, and it seems to be the colour of blackish grey. The PSC is also called Blast Furnace Slag Cement because of its make. It improves durability & resilience.

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Blast Furnace Slag Cement

 · 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 ...

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Types of Cement Used in The Construction Industry

 · It is widely used for all purposes including: Concrete : When OPC is mixed with aggregates and water, it makes concrete, which is widely used in the construction of buildings. Mortar: For joining masonry. Plaster: To give a perfect finish to the walls. Cement companies in Malaysia offer OPC in three different grades, namely grades 33, 43, and 53.

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(PDF) The use of steel slag in concrete

Portland cement CEM I 42.5N and alkali activated hybrid cement H-CEMENT were used as the binder. The test results confirm the possibility to use steel slag as the filler in the production of concrete.

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Why use Fly Ash and Slag in Concrete?

With cement being the costliest ingredient, substituting fly ash or slag can help maintain a stronger mix at a lower cost. Fly ash and Slag will typically be 18% cheaper than Portland cement. When a mix includes 20% fly ash, this will provide savings of 3.5% in cost. The advantage of slag is its ability to substitute more of cement.

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Cement

''Receh'' means cheap or worthless. An idiom that used by Indonesian people to underestimate something. Orginally ''Receh'' originates from ''uang receh'' which is cash change that you receive after buying something and the value is usually not too big....

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Sustainable use of industrial-waste as partial …

 · GBF Slag is used as partial substitution for Portland cement. Yuksel et al., 2006, Yuksel et al., 2007 in their research work focus on using non ground GBF slag in concrete as sand replacement …

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UTILIZATION OF SLAG POWDER FOR CEMENT SUBSTITUTION …

The cement paste is made with a dimension of 10 cm x 5 cm with each slag used as an amplifier on the paste with a volume variation of 15%, 30%, 45%, and 60%. Each material is weighed according to mix design then mixing

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What do you mean by acid slag and basic slag?

 · Slag cement is most widely used in concrete, either as a separate cementitious component or as part of a blended cement. It works synergistically with portland cement to increase strength, reduce permeability, improve resistance to chemical attack and inhibit rebar corrosion.

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slag cement

 · Indonesia: Semen Indonesia has launched a new slag cement product under the brand ''Maxstrength Cement.'' The cement producer said it was the first Portland Slag cement produced in the country. The company can producer 1500t/day of the slag cement and it is intended for use in large scale infrastructure projects that require high flexural strength, such as bridges or road flyovers.

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Indonesia

 · Indonesia: Semen Indonesia has launched a new slag cement product under the brand ''Maxstrength Cement.'' The cement producer said it was the first Portland Slag cement produced in the country. The company can producer 1500t/day of the slag cement and it is intended for use in large scale infrastructure projects that require high flexural strength, such as bridges or road flyovers.

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PAPER OPEN ACCESS Corrosion Behavior of Carbon Steel in Concrete Material Composed of Tin Slag …

Indonesia, Depok, Indonesia *Corresponding email: [email protected] Abstract. Tin slag is a byproduct of tin ore smelting process which is rarely utilized. The main purpose of this work is to investigate the use of tin slag for concrete cement ...

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Indonesian Cement Association

 · Indonesia: The Indonesia Cement Association (ASI) has urged the government to restrict the issuance of new licenses as the country''s cement industry has been experiencing oversupply. Widodo Santoso, chairman of the ASI, told an industry seminar that there are 13 cement producers in the country with total production capacity of 92Mt/yr but that local demand is only reaching 63 – 65Mt/yr, …

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(PDF) AN INNOVATION OF HIGH PERFORMANCE …

An Innovation of High Performance Concrete by Replac ing Cement with Nickel Slag Powder. [ 79] addition, the study of NSP used 0%, 20%, 30% of this substitute of cement with a. water-cement ratio ...

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Indonesian Cement Association

 · Indonesia: The Indonesia Cement Association (ASI) has urged the government to restrict the issuance of new licenses as the country''s cement industry has been experiencing oversupply. Widodo Santoso, chairman of the ASI, told an industry seminar that there are 13 cement producers in the country with total production capacity of 92Mt/yr but that local demand is only reaching 63 – 65Mt/yr ...

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Slag Cement Market Application & Industry Forecast …

 · This report gives an overview of slag cement market valued in the year 2019 and its growth in the coming years till 2025. It also predicts the CAGR. Request sample copy of this report at: https ...

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Slag Cement Granulated Blast Furnace Slag

Slag Cement The blast furnace slag cement is used in the world in order to increase the strength of the concrete and reduce the costs. The concretes that contain blast furnace slag cement have less permeability, low hydration heat, better operability and

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A Closer Look: Fly Ash, Slag Cement & Metakaolin

 · Slag cement is generally ground to less than 45 microns and has a specific gravity in the range of 2.85 to 2.95. Slag is generally used in higher percentages than fly ash, commonly constituting between 30% and 45% of the cementitious material in concrete, while ...

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is slag used in the cement indonesia

slag usage in cement indonesia wikipediaground-granulated blast-furnace is slag used in the cement indonesia slag, earlier usage of slag, for grinding ordinary and high-blaine cement. read more. Get Price

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IS 455 (1989): Portland Slag Cement

may also be used for manufacture ofPortland slag cement. This standard was first published in 1953 and subsequently revised in 1962, 1967and 1976. This fourth revision incorporates the modification. required as a result ofexperience gained with the use of this

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What is Slag? (with pictures)

Slag is commonly used to make cement. This substance is produced during the smelting process in several ways. Firstly, slag represents undesired impurities in the metals, which float to the top during the smelting process. Secondly, metals start to oxidize as they are smelted, and slag forms a protective crust of oxides on the top of the metal ...

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What is slag cement

What is Slag Cement. Slag cement is a hydraulic cement formed when granulated blast furnace slag (GGBFS) is ground to suitable fineness and is used to replace a portion of portland cement. It is a recovered industrial by-product of an iron blast furnace. Molten slag diverted from the iron blast furnace is rapidly chilled, producing glassy ...

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What is crushed slag?

 · Slag cement is most widely used in concrete, either as a separate cementitious component or as part of a blended cement. It works synergistically with portland cement to increase strength, reduce permeability, improve resistance to chemical attack and inhibit rebar corrosion.

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Concrete Sustainability

Slag cement has been in worldwide use since the late 1800''s, and was used in projects such as the Paris Underground, and the Empire State Building During the last 10 years, there has been over 29 million metric tons of slag cement consumed in the U.S. saved

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Universitas Indonesia

For that reason, the final tin slag will be very useful if it is used as a cement substitute as a raw material for making concrete. This study aims to analyze the resistance of cement and steel reinforcement mixtures on concrete to a corrosive environment using linear polarization method.

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Cement in Indonesia

 · From 1999 to 2006 Indonesia''s cement capacity remained at around 46-47Mt/yr, with actual production at around 30-33Mt/yr. In 2007 production was up by 6% and in 2008 the country''s production hit 38Mt. Production was again down in 2009 due to the global economic crisis, although capacity hit 47.9Mt/yr in that year.

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Slag Cement

Portland slag cement, which is most commonly used in the region, was used for the study complying with IS 455 [21]. Its specific gravity was 2.87 having initial and final setting times of 70 minutes and 480 minutes, respectively. For fine aggregate, natural sand was used, having a maximum size of 4.75 mm.

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Ground granulated blast-furnace slag

Several compositional ratios or so-called hydraulic indices have been used to correlate slag composition with hydraulic activity; the latter being mostly expressed as the binder compressive strength. The glass content of slags suitable for blending with Portland cement typically varies between 90- and depends on the cooling method and the temperature at which cooling is initiated.

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Portland Slag Cement: All You Like to Know!

 · Portland slag cement is used in all types of residential construction, commercial construction and industrial construction. As it has a low heat of hydration, PSC cement is used in the case of mass concreting such as dams, bridge piers, caissons, foundations

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What is Slag Cement? How it affect in cement property? …

 · Slag cement is made by grounding blast furnace slag to proper fineness and used as a replacement of portland cement. Slag has some cementitious properties itself. Slag cement gives some extra strength, enhance resistance to chemical attack, reduce permeability, protect rebar from corrosion.

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An Innovation of High Performance Concrete by Replacing Cement with Nickel Slag …

Vol. 04, No. 2, August 2019: 77-83 An Innovation of High Performance Concrete by Replacing Cement with Nickel Slag Powder 79[] addition, the study of NSP used 0%, 20%, 30% of this substitute of cement with a water-cement ratio of 0.47 (Oksri-Nelfia,

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What is slag cement

Slag cement is a hydraulic cement formed when granulated blast furnace slag (GGBFS) is ground to suitable fineness and is used to replace a portion of portland cement. It is a recovered industrial by-product of an iron blast furnace.

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Characteristics of steel slags and their use in cement and …

 · Iacobescu et al. (2016) used a fine fraction of LF slag, limestone, flysch and bauxite residue to produce cement, aiming to understand the influence of LF slag on the characteristics of clinker. They found that the addition of LF slag in the raw meal favors the formation of C 3 S and C 4 AF, while restraining the formation of C 3 A.

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