To promote the large-scale application of ground granulated blast furnace slag powder (GGBFS) in the cement and concrete industry, high-performance slag-based composite admixtures (SCAs) were prepared with GGBFS as the main raw material and converter steel slag powder (SS), limestone powder (LP) and fly ash (FA) as auxiliary …Web

The mix ratios of the former two groups, cement with steel slag powder alone or with a compound admixture of GGBFS-steel slag powder, were in Tables 3 and 4.In Table 3, the cement paste samples of S0, S10, S20, S30, S40, and S50 were prepared, in which cement was replaced by unmodified steel slag powder from 0 to 50 %, …Web

One alternative to reduce the cost of self-compacting concrete is the use of mineral admixtures such as silica fume, ground granulated blast furnace slag and fly ash, which is finely, divided ...Web

Methods using industrial byproducts such as ground granulated blast furnace slag (GGBFS) and fly ash (FA) as alternatives to cement are known to be effective [3,9,10]. Furthermore, the use of admixtures as replacements for cement can reduce carbon emissions from cement production plants, thereby efficiently mitigating …Web

Various studies have been conducted on the self-compacting concrete using combination of mineral admixtures such as metakaolin (MK), fly ash (FA), rice husk ash …Web

1. Introduction. Ground granulated blast furnace slag (GGBFS) is widely used in various engineering applications to replace the ordinary Portland cement (OPC) [1,2,3].However, GGBFS is sensitive to curing conditions and exhibit slow strength development [4,5,6,7,8].In order to predict the strength behavior in the concrete with …Web

Ground granulated blast furnace slag is usually designated as 'GGBS'. It can also be referred as 'GGBFS' or 'GGBS cement' and the concrete which is made using GGBS is called 'furnace concrete' or 'GGBS concrete'.. By-Product During Manufacturing . According to 'D. Suresh and K. Nagaraju' (2015) (Published in IOSR Journal of …Web

GGBFS can be used as a high volume mineral admixture in concrete due to technological, economical, and environmental benefits, without any compromise with its performance. GGBFS has the cementing property, …Web

Materials for concrete include cement, fly ash, ground-granulated blast-furnace slag (GGBFS or slag cement), fine and coarse aggregates, and admixtures. …Web

Ground granulated blast furnace slag (GGBS) is a by-product from the blast-furnaces used to make iron. Blast-furnaces are fed with controlled mixture of iron-ore, coke and limestone, and operated at a temperature of about 1,500°C. ... Grades 100 and 120 are the most commonly used as admixtures in concrete.Web

To promote the large-scale application of ground granulated blast furnace slag powder (GGBFS) in the cement and concrete industry, high-performance slag …Web

Numerous studies were carried out by replacing the basic materials, and various admixtures were introduced into concrete. One such admixture is nano-ground granulated blast furnace slag (NGGBFS ...Web

In the presented comprehensive study, SCMs such as ground granulated blast furnace slag (GGBFS), fly ash (FA), silica fume (SF), metakaolin (MK) and limestone (LS) with their various physico-chemical, mineralogical, morphological and durability properties have been addressed along with life cycle assessment (LCA) studies. Based …Web

An experimental program was carried out to investigate the usability of recycled coarse aggregate (RCA) concrete with and without ground granulated blast furnace slag (GGBFS). The RCA was derived from concrete having compressive strength of 47.6 MPa. Twelve concrete mixtures having various RCA (0–25–50–) and …Web

In this study, the effects of ground granulated blast furnace slag (GGBFS) content, alkaline solution to binder (Al/Bi) mass ratio, sodium silicate solution to sodium hydroxide solution (SS/SH) mass ratio, and additional water to binder (Aw/Bi) mass ratio on the compressive strength, setting time and workability of geopolymer pastes were …Web

The mineral admixtures in this research include inert GP and active mineral admixtures (GGBFS, FA and MK). The chemical components of mineral admixtures and P·O 42.5 Portland cement are presented in Table 1. The phase composition and particle size distribution of cement and mineral admixtures are displayed in Fig. 1 and Fig. 2, …Web

11.2.2 Ground-granulated furnace slag. Ground granulated blast-furnace slag, GGBFS, is a by-product of iron in blast-furnace. It mainly consists of silicate and aluminosilicate of melted calcium that periodically needed to be removed from the blast furnace. Similar to fly ash, the chemical compositions of GGBFS depend on the row materials used ...Web

Fly ash and ground granulated blast furnace slag (GGBFS) are used to replace 50% cement, the water absorption, capillary water absorption, sorptivity coefficient, electric flux and carbonation depth of concrete with mineral admixtures are tested under different curing conditions, such as the curing time, curing humidity and curing temperature.Web

Generally, the effects of chemical admixtures on concrete with ggbfs are similar to those for OPC concrete. Retarding admixtures are typically more effective …Web

Some common types of mineral admixtures include fly ash, ground granulated blast furnace slag (GGBFS), silica fume, and metakaolin. Silica Fume in High Performance Concrete Overview. Silica fume, also known as microsilica, is a by-product of the production of silicon and ferrosilicon alloys in electric arc furnaces.Web

The mixes with proportions of (50:15:35) and (50:20:30) in order (C: GP: GGBFS) showed increased peak load carrying capacity by 6.3% and 1.6% respectively …Web

GROUND GRANULATED BLAST - FURNACE SLAG (711-12) Following is a list of slag cement suppliers approved to supply the indicated brand of GGBFS to Department work in accordance with the current provisions of both GROUND GRANULATED BLAST - FURNACE SLAG (711-12), and Materials Method 10.. Manufacturer/Locations and …Web

Orthogonal experiments were performed to study the flexural strength of an eco-friendly concrete containing fly ash (FA) and ground granulated blast-furnace slag (GGBFS). The effects of different test parameters, such as water-binder ratio (W/B), FA content, GGBFS content, sand ratio, gravel gradation, and curing time, on the flexural …Web

Mineral admixtures serve a critical function in improving the characteristics of concrete. The characteristics of blended concrete are investigated in this research utilizing varying quantities of ground granulated blast furnace slag (GGBS). The mix design is prepared as per M30 grade of concrete.Web

Use of mineral admixtures like Ground Granulated Blast Furnace Slag (GGBFS), Silica Fume (SF), Fly Ash (FA) etc. in concrete may be the better solution in above conditions.These admixtures also offer benefits with respect to the cost of concrete. ... Wee, T. H., Suryavanshi, A. K., and Tin, S. S., (2000), Evaluation of Rapid Chloride ...Web

Consistency and setting time are influenced by the source of cement. Inclusion of GGBFS decreases consistency by dropping it to 31.2% for normal cement concrete, 29% for 40% and 26.5 for 70% replacement. Setting time (initial and final) was also increased by nearly 50% for 70% replacement [29].Web

The specific surface area of ground granulated blast furnace slag (GGBFS) is 440 m 2 /kg, and its density is 2.87 g/cm 3. The chemical compositions of binders are shown in Table 1. The fine aggregate is river sand, and its fineness. Water absorption. The influence of the curing time on the water absorption of concrete is …Web

Ground granulated blast furnace slag is the granular material formed when molten iron blast furnace slag is rapidly chilled by immersion in water. ... The chemical admixtures are added to concrete for some specific functions, including as air entrainers, water reducers, set retarders or accelerators, superplasticizers and some special ...Web

This article discusses the microstructural properties of concrete incorporating different mineral admixtures such as silica fume (SF), fly ash (FA), metakaolin (MK) and …Web

This investigation exhibits a study on the effect of silica fume, Rice husk ash and Ground granulated blast furnace slag on mechanical property of Performance based concrete.The Performance based concrete with various proportion of different mineral admixtures were tested including compressive strength at 7,14 & 28 days of curing. The …Web