Effect of Replacement of GGBS and Fly Ash with Cement in Concrete
All the ingredients of concrete are mixed homogeneously. The preparation of composite concretes were carried out by partially replacing dry weight of cement with 10, 15, 20 and 25 of GGBS and 0, 5, 7.5, 10, 12.5 and 15% of fly ash, respectively. By keeping the percentage of GGBS constant, fly ash percentage has been varied and mix proportions ...
اقرأ أكثرInfluence of incorporation of granulated blast furnace slag as
The feasibility of utilization of granulated blast furnace slag (GBS) as replacement of natural fine aggregate (river sand) for making concrete mixes has been …
اقرأ أكثرWaste foundry sand in concrete: A review
Joy and Mathew [53] studied effect of replacement of sand with WFS up to 25% on geopolymer concrete prepared with silica ash and ground granulated blast furnace slag (GGBS) [53]. A decrease in strength (7 day and 28 day) beyond 15% WFS replacement level was observed, however at all replacement levels strength was found …
اقرأ أكثرReplacement of Fine Aggregate by Granulated Blast Furnace Slag (GBFS
50% replacement of natural sand with GBFS give better compressive strength than that of cement mortar. For 50% replacement the compressive strength is increased by 9.53%. There is reduction in compressive strength by 13.8, 5.11, 2.24, 7.56, and 5.34% for 60, 70, 80, 90, and . replacement respectively.
اقرأ أكثرApplication of granulated lead–zinc slag in concrete as an …
Granulated slag is substituted for raw sand, partly or totally. Ratios of 25%, 50%, 75% and by weight of sand are used. The effects of granulated lead–zinc slag (GLZS) as sand replacement material on the compressive strength and gamma radiation attenuation properties of concrete are investigated and analyzed. Then, these properties …
اقرأ أكثرEffects of Seawater and Sea-Sand on Concrete Properties: A
Abstract. In this paper, the most important observations of the effect of seawater (SW) and/or sea-sand (SS) on the properties of concrete are presented and critically reviewed. Concrete is responsible for about 9% of global annual industrial water and almost 70% of the extracted natural sands use. During last decades many …
اقرأ أكثرReplacement of Fine Aggregate by Granulated Blast Furnace …
50% replacement of natural sand with GBFS give better compressive strength than that of cement mortar. For 50% replacement the compressive strength is increased by 9.53%. There is reduction in compressive strength by 13.8, 5.11, 2.24, 7.56, and 5.34% for 60, 70, 80, 90, and replacement respectively. It shows that, significant amount of ...
اقرأ أكثرThe exploitation of blast furnace slag as sand replacement in …
improvement by the use of ground granulated blast furnace slag as a replacement of sand in concrete mixtures. The optimum percentage is between 30 % and 40 %, after those percentages there is no observed increase. Keywords: Concrete; Compressive strength; Flexural properties; Ground granulated blast furnace slag, replacement as a sand. I ...
اقرأ أكثرThe effect of replacing sand by iron slag on physical, mechanical …
Both sand and crushed slag were washed with water to remove the contaminated fine materials and oven dried at 100 °C for 24 h.The aggregates were …
اقرأ أكثرInfluence of silica fume and ground granulated blast furnace slag …
The supplementary cementitious materials (SCMs) are used as an alternative material to reduce environmental concerns. Using industrial waste as an SCM can also help to reduce the amount of garbage deposited in lagoons and landfills and can have strength, durability, economic and environmental benefits. Ultra-high performance concrete …
اقرأ أكثرSulphuric Acid Resistance of Slag Geopolymer Concrete
2.6.1 Effect of Fly Ash Replacement Level. The effect of fly ash as ground granulated blast furnace slag replacement on cube compressive strength loss and weight loss due to sulphuric acid attack for concrete with the same additional water of 20% and molarity of 16 is shown in Fig. 1. From this figure, it is clear that generally the geopolymer ...
اقرأ أكثرEffects of Steel Fibers (SF) and Ground Granulated Blast Furnace Slag
Different cementitious materials such as fly ash, silica fume, waste glass, wheat straw ash, marble waste, bentonite clay as well as GGBS are used in concrete production. Ground granulated blast-furnace slag (GGBS) is an industrial waste by-product material that is rich in amorphous calcium, silica, and alumina, which makes it …
اقرأ أكثرCompressive strength studies of concrete with partial replacement …
The compressive strength tests for concrete curing ages 7-day and 28-day were determined, respectively. Workability decreased as cement and fine aggregate replacement increased. The experimental investigation concluded that up to 20% of fine aggregate and 15% of cement replacement with ISW rendered better concrete strength. …
اقرأ أكثرDurability of Mortar Incorporating Ferronickel Slag Aggregate and
This paper presents the strength and durability of cement mortars using 0– ferronickel slag (FNS) as replacement of natural sand and 30% fly ash or ground granulated blast furnace slag (GGBFS) as cement replacement. The maximum mortar compressive strength was achieved with 50% sand replacement by FNS. Durability was …
اقرأ أكثرEffects 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% …
اقرأ أكثرEffect of Nano Ground Granulated Blast Furnace Slag (GGBS) …
Utilization of various mineral admixtures in producing mortar decreases the porosity and capillarity, hence improves the durability in opposition to water and competitive solutions. In this research work, Ground Granulated Blast Furnace Slag is used to replace 30 percent, 60 percent, and 70% of ordinary Portland cement (OPC) (GGBFS). …
اقرأ أكثرEffect of Partial Replacement of Sand by Iron Ore
Effect of Partial Replacement of Sand by Iron Ore Tailing (IOT) and Cement by Ground Granulated Blast Furnace Slag (GGBFS) on the Compressive Strength of Concrete
اقرأ أكثرRecent Trends in Replacement of Natural Sand With
The replacement of sand with stone dust at various ratios in medium-grade concrete showed an increase of up to 40 and 29% in compressive and up to 53 and 32% in flexural strengths for 7- and 28 ...
اقرأ أكثرThe Exploitation of Blast furnace Slag as Sand Replacement in Concrete
3 Demonstrate at the Higher Institute of Engineering 6th October city, Egypt. Abstract-This research exploits ground granulated blast furnace slag (GGBFS) as a replacement of sand on the physico-mechanical properties of concrete. Using these natural materials helps in the natural exchequer such as aggregate and cement.
اقرأ أكثرSlag uses in making an ecofriendly and sustainable concrete: A …
As part of our effort to preserve the environment, the incorporation of ground granulated blast-furnace slag (GGBFS) or fully replaced by alkali-activated slag (AAS) …
اقرأ أكثرEffect of the Curing Condition and High-Temperature
In this study, the effect of curing temperature on the properties of slag cement concrete after high-temperature exposure was studied, and elevated curing temperature (45 ± 2 °C and 95% relative humidity (RH)) was selected to compare with the standard curing temperature (20 ± 2 °C and 95%RH). Four different concrete mixes with …
اقرأ أكثرEffect of slag sand as river sand and its influence on compressive
But slag sand absorbs more water compared to M−sand, making the mix stiffer. Adding the extra water corresponds to water absorption percentage, and strength increased further at all ages of curing and improved cement mortar quality. Thus, the optimum percentage of slag sand as a replacement for M−sand is 50% in cement mortar.
اقرأ أكثر(PDF) Effect of nickel slag as a sand replacement in strength and
This research investigates the use of nickel slag as the replacement of sand in concrete. Various concrete samples were produced with the increasing nickel …
اقرأ أكثرEffect of 30% Ground Granulated Blast Furnace, Lead and Zinc …
This paper investigates the effects of using Ground Granulated Blast Furnace Slag (GGBFS), Lead Slag (LS) and Zinc Slag (ZS) as replacement for sand on the strength of concrete. Compressive strength, flexural strength, water absorption and density were tested at 14, 28 and 56 days. In this study, a total of 40 concrete samples, …
اقرأ أكثر(PDF) Effects of Ground Granulated Blast Furnace Slag and …
But the compressive strength of Granulated Blast Furnace Slag concrete is found to be higher than that of conventional concrete at the age of 3,7,14, 28, 56 and 90 days at 0.4% and0.5% of water ...
اقرأ أكثرInfluence of slag on mechanical and durability properties of
A geopolymer binder is measured as an alternative and elective material to customary Portland binders. Utilization of Fly ash (FA) as a primary binding material limits the waste creation of thermal power stations and reduces environmental impacts. This paper presents the strength performance of geopolymer concrete (GC) with different …
اقرأ أكثر(PDF) Effect of Partial Replacement of Sand by Iron Ore Tailing …
The present paper is an effort to quantify the 28-day cementitious efficiency of ground granulated blast furnace slag (GGBS) in concrete at the various replacement levels.
اقرأ أكثرCopper slag as sand replacement for high performance concrete
This paper reports on an experimental program to investigate the effect of using copper slag as a replacement of sand on the properties of high performance …
اقرأ أكثرMicrostructure and Durability of Ground Granulated Blast Furnace Slag
Ground granulated blast furnace slag is an eco-friendly material with regard to its production process and usage. In this study, slag cement (SC) is used to prepare different slag cement mortar (SCM) mixes to study mortar microstructure perspectives, physiochemical properties, mechanical properties and durability …
اقرأ أكثرThe Exploitation of Blast furnace Slag as Sand Replacement in …
The results of compressive and flexural strength showed improvement by the use of ground granulated blast furnace slag as a replacement of sand in concrete …
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