lightweight recycled blast furnace slag

Preparation of a lightweight calcium silicate board using …

Porous hydrated calcium silicate (C-S–H) can be prepared from water-quenched blast furnace slag by mechanical-chemical excitation and used as gelling filler …

Effect of Granulated Blast Furnace Slag and fly ash addition …

The effects of mineral admixtures including fly ash (FA), blast furnace slag (BS) and silica fume (SF) on workable high strength lightweight concrete were investigated.

Resilient response and strength of highly expansive clay …

After completing the transformation process, these wastes were obtained in the range of 0–6, 6–12, and 12–19 mm. Also, the slag type used in this research was granulated blast furnace slag (GBS), which was extracted from Esfahan Steel Company, Iran. The grain size distributions of clay soil and RCA are shown in Fig. 1.

Mechanical strength, water resistance and drying shrinkage …

DOI: 10.1016/j.conbuildmat.2022.128232 Corpus ID: 250155726; Mechanical strength, water resistance and drying shrinkage of lightweight hemihydrate phosphogypsum-cement composite with ground granulated blast furnace slag and recycled waste glass

Effects of utilising granulated blast furnace slag as fine …

The present study evaluates the effect of utilising granulated blast furnace slag as a partial substitution of the fine fraction of natural aggregates on various concrete parameters using the general factorial approach. Two levels of the water/cement ratio (0.45 and 0.5) and four different percentages of granulated blast furnace slag (0, 20%, 40% …

Recycled blast furnace slag to form-stabilize NaNO3 with …

To realize the high-efficiency, low-carbon, and low-cost utilization of renewable energy, composite phase change materials (C-PCMs) with high performance …

Blast Furnace Slag

Slag processing. George C. Wang, in The Utilization of Slag in Civil Infrastructure Construction, 2016 5.3 Blast furnace slag processing. Iron blast furnace slag results from the fusion of iron ore, fluxing materials, and coke; the reduction reactions; and the separation of iron from the ore. As indicated in Chapter 2, the term blast furnace slag is …

Buildings | Free Full-Text | Properties and Mechanical …

Supplementary cementitious materials (SCMs) have been widely used to replace cement in recent years in order to reduce the burden of cement on the environment. In this study, fly ash (FA) and ground-granulated blast furnace slag (GGBFS) were used as long-term 40%, 50% and 60% replacement cement in order to explore the …

Effects of Ground Granulated Blast Furnace Slag and Recycled …

Lowest value of compressive strength after 14 and 28 days of hardening reached a sample, which contained 30% blast-furnace slag fraction 0-4 mm, and aggregate prepared from recycled concrete ...

Laboratory investigation of ed concrete prepared by recycled …

Semantic Scholar extracted view of "Laboratory investigation of ed concrete prepared by recycled waste concrete powder and ground granulated blast furnace slag" by Tianshuai Yao et al. ... the effects of NaOH concentration on properties of fly ash-based lightweight geopolymer were investigated.

Predicting compressive strength of high-performance …

In this research, compressive strength of high-performance concrete with high volume ground granulated blast-furnace slag replacement is predicted using boosting machine learning (BML) algorithms ...

Green and Durable Lightweight Aggregate Concrete: The …

It was reported that the LWAC was mainly made by artificial lightweight aggregates such as expanded clay, slate, shale, and blast furnace slag. As an environmentally friendly material in the construction industry, the ideal lightweight aggregate should be a sintered core with a nearly spherical shape (with the diameter in …

Influence of silica fume and ground granulated blast furnace slag …

Industrial by-products such as Ground Granulated Blast Furnace Slag (GGBS), Fly Ash (FA), and Silica Fume (SF) are cementitious and pozzolanic, making them a preferred choice among researchers as a viable material to mix with cement to reduce carbon emissions. ... (2015) Properties of self-compacting lightweight concrete …

Critical Review for Utilization of Blast Furnace Slag in …

In last 5 years, an enhancement of over 18% for blast furnace slag and basic oxygen furnace slag has been achieved (GOI 2013–2014). By continuing thrust on solid waste consumption at the integrated iron and steel plants, total solid waste utilization has increased from 77% in the 2007–2008 to 86%; an increase of 9% over the last 5 …

Laboratory investigation of ed concrete prepared by recycled …

However, the strength of RP matrix is too low to meet the preparation requirements. Blast furnace slag is a by-product of pig iron smelting. Granulated blast furnace slag powder means that the molten slag is extremely cooled with water and then ground into powder (Chao et al., 2010). It is mainly composed of calcium aluminosilicate …

Non-destructive prediction of strength of geopolymer …

wastes and recycled aggregates. The use of nickel slag, copper slag, crumb rubber and blast furnace slag as sand aggregate replacement and incorporation of recycled coarse aggregates into conventional concrete has been done by various researchers with positive results (Haddad et al. 2017; Van Dao et al. 2019; Wongsa et …

Study on the mechanical properties and pore structure of …

[Show full abstract] recycled powder were the same as those with granulated limestone, and lower than those with granulated blast-furnace slag. Concrete with recycled powder showed lower elastic ...

The steel production transformation process in Europe: New slag …

The main challenge of the steel industry for the next decade is the steel production transformation process, starting in Europe. The CO 2 intensive blast furnace/basic oxygen furnace (BOF) route will be substituted by a combination of Direct Reduced Iron (DRI), based on natural gas, later on "green" hydrogen, with an Electric Arc Furnace (EAF) or …

Estimation of the Environmental Impact for Recycling Blast …

Blast furnace (BF) slag has been widely recycled by civil engineering and construction industries. However, the amount of recycled BF slag has now reached the saturation …

Preparation of Lightweight Calcium Silicate Board with Low …

Ti-extracted blast furnace slag (Ti-extracted BFS) with 3.48 wt% chlorine content is a metallurgical solid waste generated during titanium extraction from high-titanium blast furnace slag.

(PDF) Granulated Blast-Furnace Slag (GGBS) …

Geopolymers are a type of cementitious material synthesized through the alkali activation of aluminosilicate materials, such as metakaolin [1], granulated blast furnace slag [2], steel slag [3 ...

Review: alkali-activated blast furnace slag for eco-friendly …

Blast furnace slag (BFS) is one of the commonly used precursors that used to preparation alkali-activated slag (AAS) due to the higher content of glassy components. …

Development and Performance Evaluation of Waste …

To achieve a green recycled concrete with excellent mechanical properties and workability, this paper utilized recycled concrete powder, fly ash and granulated …

Recycled blast furnace slag to form-stabilize NaNO3 with …

Recycled blast furnace slag to form-stabilize NaNO 3 with high performance for high-temperature thermal energy storage. Author links open overlay panel Anchao Qu, Jun Zhao, Hao Peng, Feng Jiang. ... Blast furnace slag (BFS) is a kind of industrial waste generated in the production of pig iron.

Preparation of Lightweight Calcium Silicate Board with Low …

The clean industrial development of titanium extraction from blast furnace slag is of great significance to the development of the titanium industry in China. Ti-extracted blast furnace slag (Ti-extracted BFS) with 3.48 wt% chlorine content is a metallurgical solid waste generated during titanium extraction from high-titanium blast …

Recycling of blast furnace slag to prepare calcium silicate …

The high-value utilization of water quenched slag (WQS), one of the bulk byproducts originating from the iron manufacturing industry, remains an important subject in the environment. Through a mechano-chemical co-activation strategy, WQS can be used to prepare porous calcium silicate hydrate (C-S-H), which was applied as gelling filler to …

Using blast furnace slags sustainably

Blast furnace slags: From byproduct to valuable resource. Producing zero waste is an important environmental goal of thyssenkrupp Steel. A central part of this zero waste strategy is to utilize and recycle the byproducts of …

Effect of Granulated Blast Furnace Slag and fly ash addition …

Most of these are intended to be recycled, but the reality is quite different. ... PET Granulated Blast Furnace Slag Fly ash Waste PET aggregate Lightweight aggregate Strength properties a b s t r a c t In this work, the effect of Granulated Blast Furnace Slag (GBFS) and fly ash (FA) addition on the strength properties of lightweight mortars ...

UG-Mat Blast Furnace Slag | Recycled Materials …

ed slag has been used as a lightweight aggregate for Portland cement concrete. Granulated blast furnace slag has been used as a raw material for cement production and as an aggregate and insulating …

Effects of fly ash, blast furnace slag and metakaolin on …

This paper investigates the effects of fly ash (FA), blast furnace slag (BFS) and metakaolin (MK) on the mechanical properties, drying shrinkage, carbonation and chloride permeability of coral sand concretes (CSC), in which the replacement levels of supplementary cementitious materials (SCMs) below 35% by weight are compared.