A study of the effect of light-burnt dolomite on the …

This study used the typical powder alkaline material anhydrous sodium sulfate (Na 2 SO 4) as an activator in a system in which Portland cement (10–20%) and ground granulated blast-furnace slag (GGBS, 80–90%) are generally mixed and added to light-burnt dolomite (LBD), one of the economical lime materials.Their effect on the …

PORTLAND BLAST FURNACE SLAG CEMENT

Tiger Portland Blast Furnace Slag Cement is special blended cement with low heat of hydration characteristics for mass concreting. Concrete produced using Portland Blast …

Properties of Portland Blast Furnace Slag Cements Affecting …

Blast furnace slag (BFS) is a by-product of the steel industry that is considered a sustainable alternative to Ordinary Portland cement (OPC). Concrete with …

Microscale and macroscale strength behaviors of blast furnace slag

Comparison between physical-mechanical properties of mortar made with portland cement (cemi) and slag cement (cemiii) subjected to elevated temperature. Case Stud. ... porosity and chloride ingress resistance of blast furnace slag cement concretes: A construction site study. Constr. Build. Mater., 35 (2012), pp. 1063-1070, …

Mechanical activation of granulated blast furnace slag …

Granulated blast furnace slag (GBFS) is the by-product of iron making process and is produced by water quenching of molten blast furnace slag. ... H: applicability to hardened pastes of tricalcium silicate, β-dicalcium silicate, portland cement, and blends of portland cement with blast-furnace slag, metakaolin, or silica fume. Cem …

Blast Furnace Slag Cement (Application, Pros & Cons)

Blast Furnace Slag (BFS) cement is the combination of Ordinary Portland Cement (OPC) and fine Granulated Blast Furnace Slag (GBFS) gained as a byproduct in the steel making manufacturer with below 70% to that of cement. Ground Granulated Blast Furnace Slag (GGBFS) is a fine glassy granule which encompasses cementitious possessions. ...

Alkali-activated Portland blast furnace slag cement …

The first system consists of 80% granulated blast furnace slag and 20% Portland cement (OPC) and was hydrated in the presence of water (CE), whereas the second incorporated an alkaline activator, making it a hybrid cement (HB). Expansion measurements of mortar bars were carried out, and their behaviour was compared to a …

General hydration model for portland cement and blast furnace slag

As the equations given for the P-reaction are identical to the hydration model developed for the Portland cement CEM I 52.5, it can be concluded that the hydration model (6) to (12) is valid both for Portland cement and for blast furnace slag cements. For portland cement it suffices to keep qs always equal to zero, as the S-reaction has …

Slag Cement

Slag cement, originally known as granulated blast-furnace slag, begins with the production of iron. The heart of the process is the blast furnace that refines iron ore into …

History and Utilization of Portland Blast Furnace Slag …

3. 2, 3)History of Portland Blast Furnace Slag Cement 3.1 Birth of portland blast furnace slag cement As mentioned earlier, PBFSC was developed in 1910—nine years after the government-managed Yawata Works was put into op-eration. It is Taizo Kuroda who gave the Japanese name "kouro se-mento" to PBFSC in English and Hochofen zement in …

Looking for Slag Cement Suppliers? Look No Further than

Purchase Cemex CEMSlagTM. CEMSlag TM is available at the following Cemex locations. For more information, please contact your local Cemex location. West Sacramento 1501 South River Road. Sacramento, CA 95691. Redwood City 876 Seaport Blvd. Redwood City, CA 94063. Long Beach 601 Pier "D" Ave. Long Beach, CA 90802.

Reactivity of blast-furnace slag in Portland cement blends …

One ordinary Portland cement, provided by Cementos Apasco Ramos Arizpe, and two blast furnace slags, supplied by Altos Hornos de México (AHMSA) Monclova, were employed. Both slags were obtained directly from the steel works, from two separate runs of the blast furnace and hence were labeled S1 and S2.

C595 Standard Specification for Blended Hydraulic Cements

These cements are classified into two types: Type IS which is portland blast-furnace slag cement and Type IP which is portland-pozzolan cement. They can also be described according to air-entraining, moderate sulfate resistance, moderate heat of hydration, high sulfate resistance, or low heat of hydration properties.

Reactivity Alteration of Granulated Blast Furnace Slag by …

Augmenting granulated blast furnace slag (GBFS) content in Portland Slag Cement (PSC) beyond the conventional limit of 70% is the stimulus for this study. Such enhancement other than bringing down the carbon footprint of cement conserves natural resources. However, beyond 70% slag incorporation, early strength gain of PSC is …

Ground Granulated Blast-Furnace Slag: Its Chemistry …

Just like Portland cement, GGBFS must be finely ground before it can be used in concrete. If the GGBFS is ground by itself, it can be blended mechanically with cement at the cement mill to make ASTM C595, Type IS, Portland blast-furnace slag cement, or it can be added at the concrete plant to make slag concrete.

Blast Furnace Slag

18.10.17 Blast Furnace Slag. Blast furnace slag is used successfully as a mud-to-cement conversion technology in oil well cementing worldwide because of economic, technical, and environmental advantages [86]. Slag-mix slurries were used as primary, temporary abandonment and sidetrack plug cements during prospect predrilling in the Gulf of Mexico.

NewCem | Holcim US

NewCem® Slag Cement is a finely ground, granulated blast furnace slag (GGBFS) available to blend with conventional Portland cement to deliver a strong, high-quality, …

(PDF) Hydration of Portland cement blended with blast furnace slag …

Abstract. In this study, the hydration of Portland cemen t blended with 10-90% blast furnace slag. (BFS) by mass with the water/ binder (w/b) ratios of 0.4 and 0.5 was investigated by. isothermal ...

PORTLAND BLAST FURNACE SLAG CEMENT

Sub-structure, bored piles, pre-case piles and products positioned in soil containing chlorides or moderate content of sulphates. Concrete which may consist of alkali reactive aggregates. Portland Blast Furnace Slag Cement – Tiger Cement is the leading Exporter and Supplier of Slag Cement from Pakistan. We Comply European Standard EN 197-1/ ...

Blast Furnace Slag Cement – Manufacture, …

Blast furnace slag cement is the mixture of ordinary Portland cement and fine granulated blast furnace slag obtained as a …

FAQs | SCA

Slag cement (also called ground granulated blast furnace slag) is a hydraulic cement produced during the reduction of iron ore to iron in a blast furnace. Molten slag is tapped from a blast furnace, rapidly quenched with water ("granulated"), dried and ground to a fine powder. The rapid quenching "freezes" the molten slag in a glassy state ...

Blast Furnace Slag Cement: Production, Properties and …

Slag cement = % of normal cement + % of blast furnace slag Blast furnace slag (also called fine granulated blast furnace slag [GGBFS]) is one of the supplementary cementitious materials and it is a by-product from the steel industry. Next, we will talk about the manufacture process of slag and what percentage to be added to …

Durability of Portland blast-furnace slag cement concrete

ELSEVIER Cement & Concrete Composites Cement and Concrete Composites 21 (1999) 11-21 Durability of Portland blast-furnace slag cement concrete G.J. Osborne* 117 Turnpike Drive, Luton LU33RB, UK Received 30 March 1998; accepted 13 July 1998 Abstract This paper summarizes the results of studies carried out at the …

Characteristics of Portland blast-furnace slag cement …

Addition of cement kiln dust (CKD) to Portland blast-furnace slag cement (PSC) leads to an improvement of the physico-chemical and mechanical properties of the …

Properties of Portland Blast Furnace Slag Cements …

In Japan, Portland blast furnace slag cements that contain 30–60% of blast furnace slag (BFS) are classified in the slag cement class B in JIS R 5211. Even if slag cements are classified in a category, different autogenous shrinkage behaviors are observed among them. In this study, class B slag cements are collected from eight …

Supplementary Cementing Materials

Slag Cement, formerly referred to as ground, granulated blast-furnace slag, is a glassy, granular material formed when molten, iron blast-furnace slag is rapidly chilled - typically by water sprays or immersion in water - and subsequently ground to cement fineness. Slag cement is hydraulic and can be added to cement as an SCM. Silica fume, also ...

Carbonation Resistance of Portland Blast Furnace Slag Cement …

Portland blast-furnace slag cement type B (BB) was used in this study. It conforms to JIS R 5211 and contains 30–60% blast furnace slag. The density of the cement was 3.04 g/cm 3 while the Blaine fineness was 3860 cm 2 /g. Crushed quartz-porphyry was used as the conventional fine and coarse aggregates in the concrete.

Why Slag Cement? | SCA

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 ...

Influence of blast furnace slag type on physical and …

reduction in blast-furnace production of cast iron but al so an increase of CEM I Portland cement use in. monolithic construction [6]. In addi tion, the slag cost including transportation expenses ...

Study of the hydration of Portland cement blended with blast-furnace

The hydration of ordinary Portland cement (OPC) blended with blast-furnace slag (BFS) is a complex process since both materials have their own reactions which are, however, influenced by each other. Moreover, the effect of the slag on the hydration process is still not entirely known and little research concerning the separation …

A Comprehensive Review on the Ground Granulated Blast Furnace Slag

The Influence of Ground Granulated Blast Furnace Slag (GGBFS) as Portland Composite Cement (PCC) Substitution in Improving Compressive Strength of Concrete. In Proceedings of the 5th Annual Applied Science and Engineering Conference (AASEC 2020), Bandung, Indonesia, 20–21 April 2020; Volume 1098, p. 22035.

Cement

Cement - Slag, Strength, Durability: The granulated slag made by the rapid chilling of suitable molten slags from blast furnaces forms the basis of another group of constructional cements. A mixture of portland cement and granulated slag, containing up to 65 percent slag, is known in the English-speaking countries as portland blast-furnace (slag) …

Prediction of compressive strength of mortars made with portland cement …

CEMENT-and CONCRETE RESEARCH, Vol. 21, pp. 523-534. Printed in the USA. 0008-8846/91. $3.00+00. Pergamon Press plc. PREDICTION OF COMPRESSIVE STRENGTH OF MORTARS MADE WITH PORTLAND CEMENT - BLAST-FURNACE SLAG - FLY ASH BLENDS by E. Douglas* and G. Pouskouleli** *Research Scientist, …

Cement : Iron and steel slag products : NIPPON SLAG …

If we were to assume that Portland blast furnace slag cement accounted for all of the 16% increase in the production ratio of blended cement, this would contribute to an annual reduction in CO 2 emissions of 640,000 tons. Specifically, the use of 20% Portland blast furnace slag cement in the construction of a single apartment complex would ...