effect of slag on pumpability concrete

effect of slag on pumpability concrete

effect of slag on pumpability concrete

Effect of Cement Content on Durability of Fly Ash Carbide . The results show that when the optimal cement content is 150kg m 3 and the fly ash carbide slag content is 350kg m 3 the impermeability the frost resistance the erosiveness resistance and the wear resistances of residue concrete are obviously improved which can meet the pavement surface requirements of rural roads in the Three Gorges

Pumpability of Blast-Furnace Slag Aggregate Concrete

The American Concrete Institute. Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design ...

Influence of Steel Slag on the Workability of Concrete ...

The influences of steel slag on the compatibility of cement-superplasicizer system and workability of concrete were investigated in this study. Results show that there are differences among the effects of different steel slags on the fluidity of paste and workability of concrete. Steel slag is not so good as GGBS in improving the workability of concrete.

Effects of Ground Granulated Blast Furnace Slag in ...

2015-12-28 · difference in the level of deicer scaling that occurred in slag cement concrete versus OPC concrete (Dubovoy, et al, 1986). Afrani and Rogers (1994), on the other hand, recorded much greater scaling loss for concrete with high slag cement replacement compared to 100% OPC concrete. Also noted was a difference in deicer scaling resistance apparently

Effect of blast-furnace slag as cement replacement on ...

Sustainability is getting more and more attention during the last years. Also in the concrete and cement industry, attempts are made to minimize the environmental impact. One way to implement this thought, is the use of industrial by-products as cement replacing material. The 'waste' products are upgraded in high-value applications and the need for clinker is reduced.

Effects of steel slag powder on workability and durability ...

2014-8-5 · The workability and durability of a type of sustainable concrete made with steel slag powder were investigated. The hydrated products of cement paste with ground granulated blast furnace slag (GGBFS) alone or with a combined admixture of GGBFS-steel slag powder were investigated by X-ray diffraction (XRD). Furthermore, the mechanism of chemically activated steel slag powder was also

EFFECT OF ULTRA FINE SLAG REPLACEMENT ON

2015-2-9 · The total pore volume of concrete also decreases as the slag fineness becomes higher6. Slag of 786 m 2/kg fineness has a 50% smaller diffusion coefficient than a normal OPC 6. This coefficient drops more dramatically as the fineness of the slag is improved. In this work, the effect of UFGGBS replacement on the durability and mechanical ...

(PDF) Effect of using steel slag aggregate on mechanical ...

Dong et al. [4] and Tarawaneh et al. [5] were studied the effect of steel slag recycled, steel slag aggregate respectively on the mechanical properties of concrete. Heniegal

Slag Cement Concrete Durability

Strength & Durability. Concrete made with slag cement provides higher compressive and flexural strengths compared with portland cement concrete. SCIC #14, Compressive and Flexural Strength, examines the factors that effect concrete strength, and explains how slag cement improves both compressive and flexural strength of concrete.

UNDERSTANDING THE PUMPABILITY OF CONCRETE

2020-10-13 · effect of mixture design on pumpability are presented in the paper. The concept of Real Paste Content is brought forward as a tool to help engineers clearly understand the mechanisms taking place during the transport of concrete under pressure. CONCRETE PUMPING The pumpability of concrete is not an easy concept to define and requires the

effect of slag on pumpability concrete

Effect of Cement Content on Durability of Fly Ash Carbide . The results show that when the optimal cement content is 150kg m 3 and the fly ash carbide slag content is 350kg m 3 the impermeability the frost resistance the erosiveness resistance and the wear resistances of residue concrete are obviously improved which can meet the pavement surface requirements of rural roads in the Three Gorges

Effects of slag addition on bond strength of 3D printed ...

2020-9-24 · Effects of slag addition on bond strength of 3D printed geopolymer mortar : an experimental ... concrete printing, owing to its thixotropic property as mentioned in (Tay et al. 2017). In the ... The mix design was aimed to meet the requirement of pumpability during delivery through the

Effect of blast furnace slag powder on compressive ...

2016-9-9 · 10. GGBF slag’s has no negative effect on the corrosion of steel (Fulton 1974; Lea 1971; Hogan and Meusel 1981). It has been found that a slight reduction in the pH of pore solution does not have a negative impact on the passivity of reinforcing steel, and that use of GGBF slag in good quality concrete, reduces concrete per-

Influence of Steel Slag on the Workability of Concrete ...

The influences of steel slag on the compatibility of cement-superplasicizer system and workability of concrete were investigated in this study. Results show that there are differences among the effects of different steel slags on the fluidity of paste and workability of concrete. Steel slag is not so good as GGBS in improving the workability of concrete.

EFFECT OF ULTRA FINE SLAG REPLACEMENT ON

2015-2-9 · The total pore volume of concrete also decreases as the slag fineness becomes higher6. Slag of 786 m 2/kg fineness has a 50% smaller diffusion coefficient than a normal OPC 6. This coefficient drops more dramatically as the fineness of the slag is improved. In this work, the effect of UFGGBS replacement on the durability and mechanical ...

EFFECTS OF FINENESS AND CONTENT OF PHOSPHORUS

2021-4-19 · March 23, 2021 16:43 0218-348X 2140004 Effects of Phosphorus Slag on Permeability, Pore Structure and Fractal Dimension of Concrete can be used to improve the reactivity of PHS.13–16 Thermal activation or curing at elevated tem-

Effect of blast-furnace slag as cement replacement on ...

Sustainability is getting more and more attention during the last years. Also in the concrete and cement industry, attempts are made to minimize the environmental impact. One way to implement this thought, is the use of industrial by-products as cement replacing material. The 'waste' products are upgraded in high-value applications and the need for clinker is reduced.

UNDERSTANDING THE PUMPABILITY OF CONCRETE

2020-10-13 · effect of mixture design on pumpability are presented in the paper. The concept of Real Paste Content is brought forward as a tool to help engineers clearly understand the mechanisms taking place during the transport of concrete under pressure. CONCRETE PUMPING The pumpability of concrete is not an easy concept to define and requires the

The Effect of Alkaline Solution-to-Slag Ratio on ...

2017-6-19 · This study investigated the effect of alkaline solution-to-slag ratio on permeability of Alkali Activated Slag Concrete (AASC). Permeability of concrete has a direct impact on its durability, so, in this study, a series of tests were arranged to examine the effect of alkaline solution-to-slag ratio on water impermeability, chloride permeability, short-term and total water absorption, and ...

The effect of silica fume on durability of alkali activated

Since the permeability plays an effective role in concrete durability, this research was carried out to examine the effect of using silica fume on permeability of alkali activated slag concrete by substitution of three levels of silica fume including 5wt%, 10wt% and

effect of slag on pumpability concrete

Effect of Cement Content on Durability of Fly Ash Carbide . The results show that when the optimal cement content is 150kg m 3 and the fly ash carbide slag content is 350kg m 3 the impermeability the frost resistance the erosiveness resistance and the wear resistances of residue concrete are obviously improved which can meet the pavement surface requirements of rural roads in the Three Gorges

Effects of slag addition on bond strength of 3D printed ...

2020-9-24 · Effects of slag addition on bond strength of 3D printed geopolymer mortar : an experimental ... concrete printing, owing to its thixotropic property as mentioned in (Tay et al. 2017). In the ... The mix design was aimed to meet the requirement of pumpability during delivery through the

EFFECT OF ULTRA FINE SLAG REPLACEMENT ON

2015-2-9 · The total pore volume of concrete also decreases as the slag fineness becomes higher6. Slag of 786 m 2/kg fineness has a 50% smaller diffusion coefficient than a normal OPC 6. This coefficient drops more dramatically as the fineness of the slag is improved. In this work, the effect of UFGGBS replacement on the durability and mechanical ...

PROPERTIES AND EFFECTS OF COPPER SLAG IN CONCRETE

2016-4-11 · Hardened concrete compression test and flexural tests were performed on hardened concrete samples to evaluate the effects of using copper slag on hardened properties of concrete composites. .3 Compressive Strength Cube of size 150 mm × 150 mm × 150 mm were used under controlled laboratory conditions. three samples

Effect of blast furnace slag powder on compressive ...

2016-9-9 · 10. GGBF slag’s has no negative effect on the corrosion of steel (Fulton 1974; Lea 1971; Hogan and Meusel 1981). It has been found that a slight reduction in the pH of pore solution does not have a negative impact on the passivity of reinforcing steel, and that use of GGBF slag in good quality concrete, reduces concrete per-

UNDERSTANDING THE PUMPABILITY OF CONCRETE

2020-10-13 · effect of mixture design on pumpability are presented in the paper. The concept of Real Paste Content is brought forward as a tool to help engineers clearly understand the mechanisms taking place during the transport of concrete under pressure. CONCRETE PUMPING The pumpability of concrete is not an easy concept to define and requires the

The Effect of Steel Slag Coarse Aggregate on the ...

This work performs experimental investigations on concrete made with difference replacement percentage of first-class burnt clay brick aggregate (0, 10, 20, 30, 40, 50, 60, 80, and 100%) by steel slag (SS) aggregate. The aim is to evaluate the mechanical properties as well as durability performances, additionally, water absorption porosity test is performed to investigate the influence of ...

Effect of Silica Fume and Slag on Compressive Strength

2014-3-7 · Adversely effect of incorporation of either 10 or 20 % slag, as individual, in HVFA concrete on both compressive strength and abrasion resistance. The inclusion of 10 % slag gave the lowest compressive strength and abrasion resistance at all ages where the abrasion resistance of F60G10 at age of 180 days was still lower than that of F70 at age ...

Evaluation of Ground Granulated Iron Blast-Furnace Slag ...

2003-7-22 · Currently, the use of grade-120 Granulated Ground Blast Furnace Slag (GGBFS) is incorporated into the specifications of LA DOTD concrete mixes. This study evaluates grade-100 GGBFS and its effect on the properties of hydraulic cement concretes used in

The effect of silica fume on durability of alkali activated

Since the permeability plays an effective role in concrete durability, this research was carried out to examine the effect of using silica fume on permeability of alkali activated slag concrete by substitution of three levels of silica fume including 5wt%, 10wt% and