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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 iron. The ingredients are heated to nearly 1500 degrees Centigrade to form …
To achieve a green recycled concrete with excellent mechanical properties and workability, this paper utilized recycled concrete powder, fly ash and granulated …
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.
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 …
The variation of density was achieved by using lightweight recycled coarse aggregate, and high density nickel slag aggregate as fine aggregate. ... There are different types of industrial by-products such as blast furnace slag, copper slag and nickel slag which are widely used as replacements of sand [2]. Additionally, application of industrial ...
[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 ...
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. …
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% …
This forms blast furnace (BF) slag, which floats on top of the surface of the hot metal (Peters, 1982). The blast furnace is designed to work in a counter-current …
To realize the high-efficiency, low-carbon, and low-cost utilization of renewable energy, composite phase change materials (C-PCMs) with high performance …
Physical and chemical characteristics of blast furnace slag. The blast furnace slag is classified by some countries, such as the United States and Canada, as a co-product of the iron and steel industry and, normally, silica, calcium, aluminum, magnesium and oxygen make up more than 95% of its composition (Özbay et al., 2016).
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 …
This paper presents the results of experiments conducted to produce green structural lightweight concrete by using oil palm shell (OPS) as coarse aggregate, and ground granulated blast furnace ...
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 …
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.
In some studies, it has been demonstrated that using a composite mineral admixture known as ground-granulated blast-furnace slag-steel slag composite binder …
This paper presents the results of experiments conducted to produce green structural lightweight concrete by using oil palm shell (OPS) as coarse aggregate, and ground granulated blast furnace slag (GGBFS) as a supplementary cementing material at 30%, 50% and 70% replacement of cement, and exposed to different curing conditions.
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 …
Investigations were conducted to enhance the strength of compact from previous studies by observing the influence of byproducts such as granulated blast furnace slag and base course materials of iron and steel slag (as replacements for natural fine and coarse aggregates) using water immersion and heat treatment.
The arrangement of blast furnace slag changes depending on the ore, fluxing stone and contaminations in the coke supply in the blast furnace. GGBS is typically composed of silica, calcium, aluminum, magnesium and oxygen, with silica accounting for more than 95% of the total composition.
The effect of replacing 20–70 % of ordinary Portland cement (OPC) by ground granulated blast furnace slag (GGBS) on the mechanical properties, weight loss and carbon footprint of oil palm shell concrete (OPSC) has been investigated. The highest replacement level of 70 % of OPC with GGBS was found to have significant effect on …
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.
This paper presents results of an experimental work carried out to evaluate utilization of recycled materials, such as fly ash and bottom ash (by-products of thermoelectric power plants), and blast furnace slag (by-products of ironworks) as binders and aggregates with high volume in high-strength, lightweight mortar.
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 …
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 ...
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 …
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.
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 ...
Semantic Scholar extracted view of "Effect of Granulated Blast Furnace Slag and fly ash addition on the strength properties of lightweight mortars containing waste PET aggregates" by Semiha Akçaözoğlu et al. ... The use of high percentages of recycled aggregates in concrete would usually worsen the concrete properties.
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 …