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(PDF) Effect of Ultra-Fine Slag on Mechanical and ...

Effect of Ultra-Fine Slag on Mechanical and Permeability Properties of Metakaolin-based Sustainable Geopolymer Concrete June 2019 DOI: 10.12989/acc.2019.7.4.231

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[PDF] Use of Ultrafine Slag in High Strength Concrete ...

This paper presents the effect of Ultrafine Slag in high strength concrete with cement replacement of 5%, 10%, 15% and 20%. Nowadays high strength concrete generally made with Ordinary Portland Cement. In this investigation Portland Pozzolana Cement (PPC) Fly ash based was used to make concrete more environmental friendly. In this experiment five mixes were …

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Effects of ultra-fine ground granulated blast-furnace slag on initial setting time, fluidity and rheological properties of cement pastes. Powder Technology, 2019, 345:54-63. Qiang Wang, Dengquan Wang, Honghui Chen. The role of fly ash microsphere in the microstructure and macroscopic properties of high-strength concrete.

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Low carbon cementitious materials: Sodium sulfate ...

With intention to mitigate this problem, ultra-fine slag was used, and the increased CO 2 emissions caused by ultra-fine slag expected to be balanced by the use of fly ash (FA). In the present study, NS-activated ultra-fine slag/FA was designed. Effects of NS dosage and FA content on the compressive strength were researched, and the activated ...

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(PDF) International Conference on Structural Engineering ...

International Conference on Structural Engineering and Mechanics PROPERTIES OF HIGH STRENGTH CONCRETE CONTAINING ULTRAFINE SLAG. Jagdish Malav. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 36 Full PDFs related to this paper. READ PAPER.

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Properties of Concrete Modified with Ultra-Fine Slag

Properties of Concrete Modified with Ultra-Fine Slag . Abstract . The supplementary cementitious materials (SCM) can be used as a replacement of cement in the construction industry to minimize the drawbacks of normal concrete such as the emission of carbon dioxide so as to be eco-friendly.

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Mechanochemical Processing of Ultrafine Steel Slag Powders ...

Mechanical grinding of steel slag is investigated and characterized using X-ray diffraction and size analyzer. The results indicate that the obtained ultrafine powders contain active mineral phases suitable for ordinary Portland cement (OPC)-Ca(OH)2, 2CaO·SiO2, 2CaO·Fe2O3. We have proved and first pointed out that the steel slag induces phase transition during grinding …

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The hydration properties of ultra-fine ground granulated ...

Aug 28, 2020· Based on the fundamental principles of preparing reactive powder concrete (RPC), a new type of RPC was composed by replacing cement with the active powder component ultra-fine ground granulated blast-furnace slag (GGBS). GGBS is proposed as a potential alternative to silica fume (SF), which is currently the most commonly used RPC mineral …

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Experimental study of strength relationship of concrete ...

Ultra fine slag materials are very much important for improving the durability and workability of concrete to sustain a longer life span and producing a greener andquality concrete. Incorporating ultra fine slag as a mineral admixture improves the workability and pump ability of fresh concrete. The ultra fine slag acts as filler thus also ...

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Hydration and strength development in blended cement with ...

Apr 26, 2019· This study aims at evaluating the effect of ultrafine granulated copper slag (UGCS) on hydration development of blended cement and mechanical properties of mortars. The UGCS with the median particle size of 4.78 μm and BET surface area of 1.31 m2/g was used as a cement replacement to prepare blended cements. Hydration heat emission of blended cement …

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Micro Fine GGBS,Cement Making GGBS,Concrete Making GGBS ...

Suyog MICROFINE is ultrafine grinded powder of GGBS. Ultra fineness improve the properties of regular GGBS like high surface area, improved penetration properties, high resistivity to chemical attack. MICROFINE is a new generation supplementary cementitious material (SCM) with a built-in high tech content. In spite of its high fineness it does ...

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Ultrafine GGBS at Rs 17000/ton | Granular Blast Furnace ...

UltraFine is a hydraulic additive and should be added in a measured and controlled manner and mixed along with cement or other pozzolanic material. Proper dispersion of the UltraFine must be ensured to achieve the best results. It is recommended to use 4% - 8% Ultrafine by weight of total binder in concrete/mortar mix design.

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Effect of ultra-fine slag on mechanical and permeability ...

The present study deals with the development of metakaolin-based geopolymer concrete (GPC) and thereafter studying the effects of adding ultra-fine slag on its mechanical and permeability characteristics. The mechanical characteristics including compressive, split tensile, flexural strengths and elastic modulus were studied. In addition, permeability characteristics including …

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Effect of Ultrafine Ground Granulated Blast-Furnace Slag ...

Aug 15, 2019· This paper explores deep into the effects of mineral admixtures, e.g. ultrafine ground granulated blast-furnace slag (UFGGBFS) and copper slag (CPS), on ambient cured geopolymer concrete (GPC). First, a GPC was prepared from mineral admixtures like the UFGGBFS, fly ash and the CPS, and alkali activators like sodium hydroxide (NaOH) and …

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EXPERIMENTAL STUDY OF FLEXURAL STRENGTH OF …

The quality of slag is governed by IS 12089 of 1987.Ultra fine slag is more advanced form of GGBS in which slag is further ground to less than 20 micron. As a result its specific surface area is increased dramatically to 3000-5000m2/kg (Bet Analysis). Particle shape of ultrafine slag is spherical (Scanning electron microscope) which due to ball ...

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HAPTER 2 ONCRETE CONSTRUCTION MATERIALS

Ground granulated blast furnace slag (GGBFS), a byproduct of iron smelting, contains silicates, alumina and quicklime (CaO). Like lime, GGBFS reacts directly with water to produce CA(OH) 2. Portland Cement . Portland cement is hydraulic cement produced by pulverizing clinker, which consists of calcium silicates formed from limestone (CaCO. 3

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EP1792879A1 - A process and system for treating ultra fine ...

This invention relates to a process and system for treating ultra fine powder steel slag, which comprises: collecting the steel slag into a tank and carrying the tank onto a tipping device by a hoisting equipment; operating the tipping device to transport the steel slag to a granulating device and granulating the steel slag in the granulating device to form granulated slag; transporting …

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Strength and Durability Properties Improvement of Bottom ...

ultra-fine slag material i.e. Alccofine as an alternative to cement. Results showed that 15% replacement of cement with Alccofine in a 40% bottom ash concrete has enhanced the compressive strength and improved the concrete quality and durability of the concrete mixture.

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Performance improvement to ash-cement blocks by adding ...

We studied the properties and activity index on ultrafine steel slag (USS) ground with a supersonic steam-jet smasher. We show that the use of supersonic steam-jet technology to smash steel slag not only significantly increases its specific surface areas (768 m2/kg), but also optimizes its composition characteristics and improves its activity.

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Properties of Concrete with Ground Ultrafine Phosphorus Slag

Dec 01, 2000· Ultrafine phosphorus slag (UFPS) with surface area greater than 6000 cm 2 /g is a vitreous powder similar to granulated blast-furnace slag (GBFS). The comparative investigation of UFPS and GBFS in this paper showed that UFPS could improve the fluidity, strength, and durability of concrete at partial replacement of cement.

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Strength and durability of ultra fine slag based high ...

The use of ground granulated blast furnace slag (GGBFS) from steel industries waste is showing perspective application in civil engineering as partial substitute to cement. Use of such waste conserves natural resources and minimizes the space required for landfill. The GGBFS used in the present work is of ultra fine size and hence serves as micro filler.

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Loesche-Separation Plant for Production of Ultrafine ...

Apr 03, 2019· 14th global slag conference, Aachen, Germany 27.03.2019 Agenda Reduction of Clinker Factor Grinding of Slag and/ or Cement Properties of Slag containing Cement Idea and Implementation of Ultrafine Grinding Material Analysis – Cement Quality 01 05 04 03 02 Application of Ultra-Fine GGBFS06 Conclusion/Outlook07

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- - HBUT

Apr 11, 2020· The effect of ultrahigh volume ultrafine blast furnace slag on the properties of cement pastes. Construction and Building Materials, 2018, 189: 438-447. [27]Tan H., Zhang X., He X.*, Guo Y., Deng X., Su Y., Yang J., Wang Y. Utilization of lithium slag by wet-grinding process to improve the early strength of sulphoaluminate cement paste.

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Influences of Ultrafine Slag Slurry Prepared by Wet Ball ...

Jun 04, 2018· The application of ultrafine ground-granulated blast-furnace slag (GGBFS) in concrete becomes widely used for high performance and environmental sustainability. The form of ultrafine slag (UFS) used in concrete is powder for convenience of transport and store. Drying-grinding-drying processes are needed before the application for wet emission.

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Impacts of silica modulus on the early strength of ...

May 15, 2014· The alkaline activated ground steel slag/ultrafine palm oil fuel ash (AAGU) concretes were used to study effects of silica moduli (Ms = SiO2/Na2O) that varied from 0.915 to 1.635 on strength and microstructure of the product sythesized by using combined alkaline activators (CAA) − 10 M NaOHaq and Na2SiO3aq with an initial silica modulus (Ms) of 3.3. …

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Fine And Ultrafine Materials For Concrete Durability ...

A comparative study on slump and strength development of M60 grade of concrete containing densified micro silica and ultrafine slag was done. Binder content and dosage of ultrafine slag was kept same. (OPC 53: 430 kg/cu m, fly ash: 80 kg/cu m, micro silica / …

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Strength and durability studies on high volume ready-made ...

In the present work commercially available ultra fine slag (readymade ultrafine slag - RUFS) with an average size of 5 µm was used as mineral admixture in three different percentages of 30, 40 and 50 as substitute to cement. Results of present work were compared to precursor slag of author's earlier works.

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Influences of Ultrafine Slag Slurry Prepared by Wet Ball ...

Jan 01, 2018· Ultrafine slag particles played an important role in the compactness performance of harden body. The compactness of pates was improved with the grind duration extending, which was consistent with the results of MIP tests. This further explained the increase of compressive strength of concrete with ultrafine slag. The cement particles were ...

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Properties of cement grout modified with ultra-fine slag

Ultra-fine slag can be used as a supplementary cementitious material in cementitious grouts in order to improve the grout behavior. The purpose of the study is to obtain a cement grout with improved performance. The grout mixes of the present study contain cement, ultra-fine slag (UFS), super plasticizer and water. ...

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Compressive strength, porosity and sorptivity of ultra ...

Ultra Fine Slag (RUFS) was obtained from EnGro Corporation limited, Singapore and was used as substitute to cement. Fine and coarse aggregate used was river sand and broken stone. Specific gravities of cement, ultra fine slag, fine aggregate and coarse aggregate were found to be 3.15, 2.90, 2.64 and 2.68 respectively. The

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Important properties of an ultrafine cement — Part I

M5 consists of a blend of ultrafine portland and slag cements. M1 is 100 percent ultrafine slag and M3 is 100 percent ultrafine portland. Because …

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