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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. Molten slag diverted from the iron blast furnace is rapidly chilled, producing glassy granules that yield ...

  • Preparation, microstructure and property of carbonated ...

    Steel slag, Portland cement, and fly ash were used as the raw materials for preparing the artificial aggregates. The steel slag was firstly ground into powders with a specific surface area of 260 m 2 /kg, and then mixed with Portland cement and fly ash following the mix proportions shown in Table 2.Three batches of mix were designed as shown in Table 2, in which various contents of steel slag ...

  • Author: Liwu Mo, Shuo Yang, Bei Huang, Lingling Xu, Shengfa Feng, Min Deng
  • Slag Cement - an overview ScienceDirect Topics

    Slag cement should not be used in the concrete projects of which the impermeability is very important. 6 Good Heat Durability. Slag cement has good heat durability that can be used to prepare heat-resistant concrete because it contains a little calcium hydroxide after hardening and it

  • Mills for cement and granulated blast-furnace slag Gebr ...

    The so produced cement clinker is ground together with gypsum and/or anhydrite, thus forming the final product cement. Depending on the availability of the raw materials and market-specific requirements, further extenders are added to the common grinding process such as granulated blast-furnace slag.

  • Slag Cement CEMSlag - CEMEX USA - CEMEX

    SustainabilityStrength WorkabilityVersatileSlag cement can typically replace 25 to 65 percent of Portland cement in a concrete mix and up to 80% in mass concrete, depending on the specific application, providing improved resistance to sulfates, chlorides and alkali silica reactions better than standard concrete. This byproduct of iron manufacturing can help your project achieve LEED certification due to the important ways it benefits the environment: 1. Produces concrete with lower CO2 emissions 2. Reduces byproduct waste going to lan...
  • What is Alkali-Activated Slag? NIUMAG Corporation

    Alkali-Activated Slag,AAS is a hydraulic-cementing material (Slag and fly ash have potential activity), with dry granulated blast furnace Slag as the main raw material, with appropriate amount of silicate cement clinker, a small amount of dihydrate gypsum, and an appropriate amount of Alkali activator, consisting of 80%~85% Slag, 5%~10% Alkali activator, and cement clinker.

  • slag in concrete Topic

    Jul 01, 2020  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: - Blast-furnace slag—The nonmetallic product, consisting essentially of silicates and aluminosilicates of calcium and of other bases, that is developed in a molten condition simultaneously with iron in a blast

  • 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.

  • Mills for cement and granulated blast-furnace slag Gebr ...

    The so produced cement clinker is ground together with gypsum and/or anhydrite, thus forming the final product cement. Depending on the availability of the raw materials and market-specific requirements, further extenders are added to the common grinding process such as granulated blast-furnace slag.

  • Preparation and Mechanical Properties of Cemented Uranium ...

    The slag powder was taken from a building material company in Hunan Province, China. It is white powder with a specific surface area of 445 m 2 /kg, and the main chemical composition is shown in Table 1.According to “Granulated blast furnace slag used for cement production” and the works on slag eco-cement [28–30], the chemical modulus K should not be less than 1.2 and the calculated K ...

  • Slag Cement Preparation - weddingfilmart.de

    Preparation Of Electrolytic Manganese Residueground. Preparation of electrolytic manganese residueground granulated blastfurnace slag cement The cement strength exceeds that of Portland slag cement PS 325 class even reaching that of PS 425 and 525 classes after adding 2035 activator and over 5 clinker It is necessary to ballmill granulated blast furnace slag GBFS

  • (PDF) Preparation and properties of geopolymer from blast ...

    These features make blast furnace slag attractive for their use in cement production, in particular as a component in cement or concrete composition instead of Portland clinker [3,4] and as an ...

  • PREPARATION AND PROPERTIES OF ALKALI-ACTIVATED

    slag is composed mainly of amorphous material and its chemical and mineral composition is similar to GBFS, so that it is expected to be a possible material resource to prepare alkali-activated cement. But before use it is of course necessary to carry out comprehensive studies on alkali-activated phosphorous slag cement.

  • (PDF) Use of Fly Ash and Slag in Concrete: A Best Practice ...

    Slag has been extensively used by the Ontario cement and the concrete industry since the early 1980s. About 1.44 Mt/y of blast furnace slag (BFS) is produced in Ontario, but only about 380

  • Cemech Cement

    CEMECH Cement Corp has manufactures three units making the brand of Cemech Cement has three products: Ordinary Portland Cement (OPC), Portland Pozzolana Cement (PPC) and Portland Slag Cement (PSC) Both types of cement are generally suited for all type of construction.

  • 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.Ground-granulated blast furnace slag is highly cementitious and high in CSH (calcium silicate hydrates) which is a strength enhancing ...

  • How to Prepare the Ground Before Pouring Concrete Slab ...

    Concrete is porous so you need to erect a concrete slab where drainage is not an issue. Subsurface water can cause the ground the flex, creating stress cracks in the cement. Properly preparing the subsurface helps to limit the potential for cracks in the finished concrete slab. Preparation is the most important aspect of pouring a concrete slab.

  • Deicer Scaling Resistance of Concrete Mixtures Containing ...

    Quebec Ministry of Transportation BNQ test method, were evaluated for concretes containing varying amounts of slag cement. A total of 16 concrete mixtures were studied using both high alkali cement and low alkali cement, Grade 100 slag and Grade 120 slag with 0, 20, 35 and 50 percent slag replacement by mass of total cementing materials.

  • Blast Furnace Slag by Truonggiang Company. Supplier from ...

    The more pleasing appearance of GGBFS concrete can help soften the visual impact of large structure such as bridges, retaining walls, etc. Applications Benefits for the Product: High-performance concrete additive, especially suitable for: Preparation of the harbor and marine concrete structures with high resistance to corrosion by chloride ...

  • Applications of Steel Slag Powder and Steel Slag Aggregate ...

    The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable water content, and pore structure of paste and the compressive strength of concrete and by observing the morphologies of hardened paste and the concrete fracture surface. The results show that the fluidity of the paste containing ...

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

    The results were compared with conventional concrete property can be maintained with advanced mineral admixtures such as steel slag powder as partial replacement of cement 0 to 40%.

  • Slag Cement Preparation - weddingfilmart.de

    Preparation Of Electrolytic Manganese Residueground. Preparation of electrolytic manganese residueground granulated blastfurnace slag cement The cement strength exceeds that of Portland slag cement PS 325 class even reaching that of PS 425 and 525 classes after adding 2035 activator and over 5 clinker It is necessary to ballmill granulated blast furnace slag GBFS

  • What is Slag Cement? How it affect in cement property ...

    We all know about slag cement, but what is slag which is used in cement? How slag affect cement property? We all know about slag cement, but what is slag which is used in cement? ... Preparation of Bar Bending Schedule (BBS) and Its Advantages. Civil Engineering Tips - Points to Remember for Civil Site . Recent Articles.

  • PREPARATION AND PROPERTIES OF ALKALI-ACTIVATED

    slag is composed mainly of amorphous material and its chemical and mineral composition is similar to GBFS, so that it is expected to be a possible material resource to prepare alkali-activated cement. But before use it is of course necessary to carry out comprehensive studies on alkali-activated phosphorous slag cement.

  • Greening of Slag Cement Concrete Concrete Construction ...

    Aug 31, 2011  Hardened concrete containing slag cement can show mottled green or blue-green areas on the surface in the first few days after placement. This temporary condition commonly is called “greening.” Surface greening occurs in only a small percentage of concrete made with slag cement and does not affect concrete performance.

  • Blast Furnace Slag by Truonggiang Company. Supplier from ...

    The more pleasing appearance of GGBFS concrete can help soften the visual impact of large structure such as bridges, retaining walls, etc. Applications Benefits for the Product: High-performance concrete additive, especially suitable for: Preparation of the harbor and marine concrete structures with high resistance to corrosion by chloride ...

  • Preparation of Baking-Free Brick from Manganese Residue ...

    The increasing amount of waste residue produced during the electrolytic preparation process of manganese has nowadays brought about serious environmental problems. The research on utilization of manganese slag has been a hot spot around the world. The utilization of manganese slag is not only environment friendly, but also economically feasible. In the current work, a summarization of the main ...

  • Slag and Exterior Concrete Durability Concrete ...

    Dec 01, 2000  While GGBF slag particles may be similar in size to cement particles, they have a specific gravity of about 2.85 to 2.9, compared with portland cement (around 3.15). If the producer replaces GGBF slag pound for pound for cement, the mix would overyield. Many adjust the yield by reducing the fine aggregate (sand).

  • (PDF) Effect of Slag Cement on Drying Shrinkage of Concrete

    The effect of a partial replacement of cement with slag cement on free shrinkage is evaluated for curing periods between 3 and 28 days. Mixtures include concrete containing different replacement ...

  • Orthogonal Experimental Studies on Preparation of Mine ...

    Environmentally friendly and cheap composite green cementitious materials have been prepared from carbide slag, fly ash, flue-gas desulphurisation (FGD) gypsum, and granulated blast-furnace slag (GBFS) without using cement clinker. Orthogonal testing was used to investigate the effects of the raw materials on the amount of water required for reaching standard consistency and consistency ...

  • Applications of Steel Slag Powder and Steel Slag Aggregate ...

    The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable water content, and pore structure of paste and the compressive strength of concrete and by observing the morphologies of hardened paste and the concrete fracture surface. The results show that the fluidity of the paste containing ...

  • CN103408277A - Nickel slag brick and preparation method ...

    The invention discloses a nickel slag brick and a preparation method thereof. The nickel slag brick is a novel nickel slag brick which is prepared by taking water quenching nickel slag a main material and industrial waste residue, lime, a little quantity of cement and a proper quantity of water as assistant materials in the procedures of uniformly stirring, then moulding by adopting a ...

  • (PDF) Orthogonal Experimental Studies on Preparation of ...

    Backfilling mixture preparation technology using a cement-slag binder is developed for the Artem’evsky mine. It is shown that backfill with granulated blast-furnace slag reaches project strength ...

  • XRD Cement Science

    The main hydration products of the slag-cement are C-S-H gel, Ca(OH) 2, the sulpho-aluminate hydrate phases AFt and AFm and a Mg, Al-rich hydroxide phase. Fig. 1. Transmission electron micrograph showing foil-like Op C-S-H in a water-activated slag paste hydrated for 3 1/2 years at 40°C (W/S = 0.4) (by I.G Richardson: The nature of C-S-H in ...

  • Preparation and Reaction Mechanism Characterization of ...

    2.2. Mixes Design and Specimens Preparation. In this paper, the effects of slag content, NH molar concentration, liquid–solid ratio and NaOH/Na 2 SiO 3 mass ratio on AACGS materials were studied. The P.O 42.5 pure cement samples as a controlled sample, and the specific mixing ratio was displayed in Table 2, a total of 19 experiments were carried out.The slag content is 0%, 10%, 20%, 30%, 40% ...

  • What is Slag Cement? How it affect in cement property ...

    We all know about slag cement, but what is slag which is used in cement? How slag affect cement property? We all know about slag cement, but what is slag which is used in cement? ... Preparation of Bar Bending Schedule (BBS) and Its Advantages. Civil Engineering Tips - Points to Remember for Civil Site . Recent Articles.

  • CN103408277A - Nickel slag brick and preparation method ...

    The invention discloses a nickel slag brick and a preparation method thereof. The nickel slag brick is a novel nickel slag brick which is prepared by taking water quenching nickel slag a main material and industrial waste residue, lime, a little quantity of cement and a proper quantity of water as assistant materials in the procedures of uniformly stirring, then moulding by adopting a ...

  • CN101328029A - Preparation of manganese slag groundmass ...

    The invention discloses a method for preparing a manganese slag-based geological polymer binder comprising: (1) the solid components of the materials are manganese slag and kaolin; the liquid components are water glass, water and activator. (2) the manganese slag is dried till the moisture content is less than 1%, and is milled in a ball mill till the specific surface is 400-600m<2>/kg, the ...

  • Applications of Steel Slag Powder and Steel Slag Aggregate ...

    The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable water content, and pore structure of paste and the compressive strength of concrete and by observing the morphologies of hardened paste and the concrete fracture surface. The results show that the fluidity of the paste containing ...

  • Orthogonal Experimental Studies on Preparation of Mine ...

    Environmentally friendly and cheap composite green cementitious materials have been prepared from carbide slag, fly ash, flue-gas desulphurisation (FGD) gypsum, and granulated blast-furnace slag (GBFS) without using cement clinker. Orthogonal testing was used to investigate the effects of the raw materials on the amount of water required for reaching standard consistency and consistency ...

  • (PDF) Orthogonal Experimental Studies on Preparation of ...

    Backfilling mixture preparation technology using a cement-slag binder is developed for the Artem’evsky mine. It is shown that backfill with granulated blast-furnace slag reaches project strength ...

  • Preparation of Baking-Free Brick from Manganese Residue ...

    The increasing amount of waste residue produced during the electrolytic preparation process of manganese has nowadays brought about serious environmental problems. The research on utilization of manganese slag has been a hot spot around the world. The utilization of manganese slag is not only environment friendly, but also economically feasible. In the current work, a summarization of the main ...

  • Preparation and Reaction Mechanism Characterization of ...

    2.2. Mixes Design and Specimens Preparation. In this paper, the effects of slag content, NH molar concentration, liquid–solid ratio and NaOH/Na 2 SiO 3 mass ratio on AACGS materials were studied. The P.O 42.5 pure cement samples as a controlled sample, and the specific mixing ratio was displayed in Table 2, a total of 19 experiments were carried out.The slag content is 0%, 10%, 20%, 30%, 40% ...

  • The effect of replacing sand by iron slag on physical ...

    Cement Company in compliance with the requirements of ASTM C-150 [6] was used. Table 1 outlines the chemical com-position using XRF Spectrometer PW 1400 and physical char-acteristics of the cement. The natural aggregate used for the preparation of cement mortar was sand (S). The basic-oxygen furnace slag (BOFS) with high density was used as a ...

  • XRD Cement Science

    The main hydration products of the slag-cement are C-S-H gel, Ca(OH) 2, the sulpho-aluminate hydrate phases AFt and AFm and a Mg, Al-rich hydroxide phase. Fig. 1. Transmission electron micrograph showing foil-like Op C-S-H in a water-activated slag paste hydrated for 3 1/2 years at 40°C (W/S = 0.4) (by I.G Richardson: The nature of C-S-H in ...

  • Properties of Hardened Concrete with Blast Furnace Slag

    Color of concrete incorporating slag. Due to light color of blast furnace slag, color of slag concrete is lighter in comparison with conventional concrete. Moreover, deep blue-green color shown by interior part of slag concrete and can be noticed from slag concrete broken parts, for

  • Standard Specification for Slag Cement for Use in Concrete ...

    1.1 This specification covers slag cement for use as a cementitious material in concrete and mortar. Note 1: The material described in this specification may be used for blending with portland cement to produce a cement meeting the requirements of Specification C595/C595M or as a separate ingredient in concrete or mortar mixtures.

  • 233R-17: Guide to the Use of Slag Cement in Concrete and ...

    Mary (1951) described the preparation of slag cement by the Trief wet-process and its use in the Bort-les-Orgues Dam. This was done after World War II when the supply of portland cement was limited. The dam involved 660,000 m3 (863,000 yd3) of concrete. The slag was ground wet and charged into the mixer as a thick slurry.

  • The Role of Phosphorus Slag in Steam-Cured Concrete

    The accumulative hydration heats of the plain cement and the binders containing phosphorus slag are shown in Table 4.At W/B of 0.4, under constant temperature of 60°C, the increase ratios of accumulative hydration heats of samples C, N1, and N2 are 15.8%, 18.8%, and 29.0% by increasing curing time from 8 h to 11 h, respectively.