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Concretes made of EAF slag and AOD slag aggregates from ...

2015-2-1  High-strength concretes made of EAF slag and stabilised AOD slag aggregates are slightly denser than the only natural aggregates-composed ones (silico-calcareous): apparent density of the hardened concrete made of silico-calcareous aggregates is 2.42 while the hardened concrete made of slag aggregates vary from 2.60 to 2.64, depending on the ...

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Concretes made of EAF slag and AOD slag aggregates from ...

The use of EAF slag aggregate in traditional concrete, high performance concrete, and alkali-activated concrete improved slightly their compressive strength (Adegoloye et al. 2015, Manso et al ...

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Concrete Aggregate Stronger Concrete What Is Slag

2020-4-8  Concrete made with recycled steel slag is 17 percent stronger than traditional concrete. Disposing of slag is a millennia-old problem, but the "waste material" is highly sought in construction ...

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of Concrete Using Steel Slag Coarse Aggregate

2020-6-26  significantly improve the strength and volume stability of concrete made with carbonated granulated steel slag aggregate [13]. Abu-Eishah et al. [14] observed that the concrete made with steel SSA provides high-strength compared to similar conventional concrete mixtures, which could be due to the strong bond between the cement/mortar matrix ...

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Accelerated carbonation and performance of concrete made ...

2017-10-1  For the concrete made with natural limestone aggregates after only 1 d of CO 2 curing, in comparison to the concrete prior to the CO 2 exposure (namely after 7d of moist curing), the compressive strengths were increased by 2.7–3.5 times, while those of the concrete made with steel slag as fine and coarse aggregates were increased by ...

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A Study on Properties of Concrete Made with Processed ...

2020-4-1  This study focusses on understanding the influence of processed granulated blast furnace (PGBS) slag on fresh and hardened state properties of concrete. Nowadays, metallurgical slags are being explored as alternative materials to natural virgin aggregates in concrete. Before using any such material in concrete, it is important to understand its influence on properties of concrete.

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(PDF) PREDICTION OF HEAT TRANSPORT IN CONCRETE MADE

prediction of t emperature in concrete made with blast fur nace slag (BFS) aggregates is also discussed. Temperatures measured in the f ield at early-ages are compared

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Strength Properties of Concrete Made from Recycled Brick ...

Concrete of three different target strength, i.e. 17.23, 20.68 and 24.13 MPa was prepared using recycled brick concrete (RBC) and electric arc furnace slag (EAFS) blended as coarse aggregate. EAFS ratio was kept at 0%, 25% and 75% with respect to RBC. Concrete cylinder (200mmX100mm) specimens were prepared following standard procedure.

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Structural and durability properties of concrete made with ...

2016-4-14  The use of slag in concrete results in improved workability due to the thixotropic nature of cement/slag pastes, and better particle dispersion and lubrication of the mix by the finer slag grains. Slag particles are however angular, unlike spherical fly ash particles, and produce only a slight reduction in water demand. With GGBS, the water ...

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1 PREDICTION OF HEAT TRANSPORT IN CONCRETE MADE WITH

Application of these models to the prediction of temperature in concrete made with blast furnace slag (BFS) aggregates is also discussed. Temperatures measured in the field at early-ages are compared to the HIPERPAV predictions with reasonably good results. Keyphrases.

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Strength and durability studies on slag cement concrete ...

2021-1-1  Therefore, it is worthwhile to consider slag cement concrete made with CS as a serious option for structural applications. Following inferences are obtained from the study by using CS as fractional replacement of FNA in slag cement concrete: • The copper slag, when substituted up to 40% replacement of FNA, enhanced the compressive strength.

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Use of Blast Furnace Slag Aggregate in Concrete

2016-9-9  concrete with steel slag aggregate was somewhat better but no improvement in tensile strengths were observed. In this work an attempt is made to study the strength parameters, modulus of elasticity, water absorption, porosity and saltwater effect on two types of concrete mixes, i.e., one comprising blast furnace slag and

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PERFORMANCE OF CONCRETE MADE WITH THE COPPER

2020-11-21  copper slag for fine aggregate in concrete samples. To inspect the performance of concrete made with the copper slag as a replacement of fine aggregate. 2. MATERIALS USED Materials needed for Reinforcement cement concrete are cement, fine aggregate, coarse aggregate, copper slag

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Experimental Investigation on Properties of Concrete by ...

2021-8-20  Experimental Investigation on Properties of Concrete by Partial Replacement of Bagasse Ash with Cement and Cupola Slag with Coarse Aggregate Mrs. Veena N1, Ms. Chaithra C V2, Ms. Kaveri3, Mr. Bupesh Yadav4, Mr. Sangamesh S Goudar5 1Assistant Professor, 2Student, 3Student, 4Student, 5Student Civil Engineering

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A Study on Properties of Concrete Made with Processed ...

In this study an attempt has been made to use granulated blast furnace slag from a local steel plant as a substitute to natural sand in normal concrete. The study mainly focusses on understanding the influence of different replacement ratios and suitability of slag replacement ratios higher than 50% in normal concrete.

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Properties of Steel Fiber-Reinforced Alkali-Activated Slag ...

Reutilizing industrial by-products and recycled concrete aggregates (RCA) to replace cement and natural aggregates (NA) in concrete is becoming increasingly important for sustainable development. Yet, experimental evidence is needed prior to the widespread use of this sustainable concrete by the construction industry. This study examines the performance of alkali-activated slag concrete made ...

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Experimental Study on Ground Granulated Blast Furnace

2021-8-3  the weight of concrete and thus if mortar with plastic fibres can be made into light weight concrete based on unit weight [6]. • S. Arivalagan (2014) studied the concrete with GGBS as a Replacement material in cement with increasing demand and

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Mechanical Performance of Concrete Made with Recycled ...

2020-9-15  This research aims at analysing the mechanical performance of concrete with recycled aggregates from concrete pavements. First, the characteristics of various natural and recycled aggregates used in the concrete were thoroughly analysed. The composition of the recycled aggregates was determined and several physical and chemical tests of the aggregates were performed.

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Hydration and temperature development of concrete

2016-11-18  In Europe, massive concrete armour units as well as other massive concrete elements such as tunnels, locks, and quay walls, often are made with blast-furnace slag cements. To manage more adequately the problem of early-age thermal cracking in these cases, a general hydration model for blended cements is needed, which enables more accurate temperature simulations during hardening.

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A new formulation for strength characteristics of steel ...

2021-4-29  durability properties of a five years old concrete made with steel slag powder were evaluated (Han and Zhang 2018). The authors reported higher compressive strength, lower porosity, and very low permeability in concrete as steel slag content was increased. Ding et al. (2019) explored the pressure sensitivity of a new smart polymer concrete

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Utilization of Steel Slag in Concrete as Coarse Aggregate

2016-10-13  Also, concrete specimens were made with volumetric mixture proportions, such as 1:1.5:3 (Coarse Aggregate : Fine Aggregate : Cement) and 1:2:4; which are commonly used volumetric mix proportions in Bangladesh. A total of 82 concrete specimens were made with slag aggregate and 52 concrete specimens were made with brick aggregate. 0 10 20 30 40 ...

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Treated slag makes the strongest concrete - Cement ...

2020-4-9  Australia: A paper published in the journal Resources, Conservation and Recycling has reported that concrete made with treated slag is 8% stronger than standard slag concrete and 17% stronger than concrete made with conventional aggregates. A Royal Melbourne Institute of Technology (RMIT) team produced treated slag concrete using slag that had absorbed phosphate, magnesium,

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Properties of pervious concrete with steel slag as ...

2020-5-18  As one kind of solid waste produced during steel smelting, steel slag can be used as aggregates to produce pervious concrete. This paper focused on the effect of binder-to-aggregate ratio and different binders on the properties and microstructure of pervious concrete made with steel slag

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Making stronger concrete with 'sewage-enhanced' steel slag

2020-4-6  The concrete made with post-treatment steel slag was about 17% stronger than concrete made with conventional aggregates, and 8% stronger than raw steel slag. Water engineer Dr. Biplob Pramanik ...

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Structural behaviour of reinforced concrete beams made ...

2017-4-25  Nowadays, industrial wastes are utilized in concrete to reduce the demand of natural resources as well as for environmental safety. This research deals with the structural behaviour of reinforced concrete beams made with ferrochrome slag as coarse aggregate. In two different phases, total eighteen number of beams were tested. In first phase, the ultimate failure load of conventional

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Experimental Study on Ground Granulated Blast Furnace

2021-8-3  the weight of concrete and thus if mortar with plastic fibres can be made into light weight concrete based on unit weight [6]. • S. Arivalagan (2014) studied the concrete with GGBS as a Replacement material in cement with increasing demand and

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Slag Admixed Concrete - citeseerx.ist.psu.edu

40%, and 60%, cement of 0%, 5%, 15% and 20% and combination of both (60% sand + 40% copper slag for fine aggregate and 85% cement+15% copper slag for cement) in concrete. The obtained results were compared with those of control concret e made with ordinary Portland cement and sand.

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Using steel slag to treat sewage makes it better for use ...

2020-4-6  Steel slag is currently utilized both to treat wastewater, and as a concrete aggregate. New research now indicates that using it for the former makes it perform even better as the latter – so ...

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Towards Sustainable Self-Compacting Concrete: Effect of ...

2018-3-15  Steel industry results in accumulation of steel slag wastes causing severe environmental problems. These wastes can be recycled and replace natural aggregates resulting in sustainable green concrete. In this research, natural aggregates in self-compacting concrete (SCC) are replaced, wholly or partly, by steel slag coarse aggregates that were produced by crushing by-product boulders obtained ...

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