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Slag waste incorporation in high early strength concrete

Slag waste incorporation in high early strength concrete

Slag waste incorporation in high early strength concrete ...

Jan 20, 2018  The high early strength cement is responsible for high strength at the early ages of hydration. This is why, high strength during the early age of ‘H’

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Slag waste incorporation in high early strength concrete ...

Properties of slag incorporated high early strength concrete (HESC) are evaluated. • Improved resulting properties of HESC at moderate incorporation levels

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(PDF) Steel slag to improve the high strength of concrete

Steel slag is an industrial by-product of steel industry. It possesses the problem of disposal as waste and is of environmental concern. The results were compared

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Steel Slag as a Substitute for Fine Aggregate in High ...

Steel Slag as a Substitute for Fine Aggregate in High Strength Concrete Krishna Prasanna P Department of Civil Engineering V R Siddhartha Engineering College

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Durability of slag waste incorporated steel fiber ...

Jan 01, 2021  In this study, slag waste was incorporated as cement replacement in steel fiber reinforced concrete (SFRC), and the subsequent effect on durability in marine

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High Strength Concrete Incorporating Ground Granulated ...

Index Terms—ground granulated blast furnace slag, steel fiber, durability, high strength . I. INTRODUCTION. Concrete is the most widely used construction material due to its high and early compressive strength and low cost. It is the backbone of infrastructural development of whole world. But it is very brittle due to weak tension,

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Effects of High-Volume Ground Slag Powder on the ...

Massive high-strength concrete structures tend to have a high risk of cracking. Ground slag powder (GSP), a sustainable and green industrial waste, is suitable for high-strength concrete. We carried out an experimental study of the effects of GSP with a specific surface area of 659 m2/kg on the hydration, pore structure, compressive strength and chloride ion penetrability resistance of high ...

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Durability of recycled aggregate concrete incorporating slag

to add mineral slag in concrete that requires high early strength (Aldea et al., 2000; Park ., 2005; Song and Saraswathy, ... Durability of recycled aggregate concrete incorporating slag ...

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How to Develop High-Early-Strength Concrete? [PDF] - The ...

The use of supplementary cementitious material in concrete can produce high-early-strength concrete. The combination of ground granulated blast furnace slag and higher curing temperature leads to the increase of high early strength development of concrete. 7. Steam or Autoclave Curing. The steam or autoclave curing is an effective way of high ...

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Effects of Roof Tile Waste-Coarse Aggregate and High ...

Effects of Roof Tile Waste-Coarse Aggregate and High Temperature History at Early Ages on Shear Strength of Reinforced Concrete Beams Made of Portland Blast-Furnace Slag Cement Type B . Akihiro Fujiyama1a, Mwangi M. Macharia1b, Yuko Ogawa1c, Kenji Kawai1d, and Ryoichi Sato1e

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Impact of using different materials, curing regimes, and ...

Sep 03, 2021  Phosphorous slag, for example, is an industrial waste by-product generated from the production of yellow phosphor ... which consequently leads to higher early strength development. ... and to investigate using local materials instead to produce ultra-high strength concrete as several studies have already shown that river sand and recycled fine ...

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Early High Strength Concrete Advantages and Challenges

High Strength concrete is also one of them. The history of high strength concrete is about 35 years old, in late 1960s the invention of water reducing admixtures lead to the high strength precast products and structural elements in beam were cast in situ using high strength concrete.

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Experimental study of electric furnace ferronickel slag as ...

Jun 20, 2021  This study aims to investigate the feasibility of using electric furnace ferronickel slag (EFFS) as a supplementary cementitious material (SCM) in massive high-strength concrete (MHC). The workability, hydration heat, and pore structure of fresh and hardened paste are characterized using a rotor rheometer, an isothermal calorimeter, thermogravimetric analysis, and mercury intrusion

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Copper slag as sand replacement for high performance concrete

Addition of up to 50% of copper slag as sand replacement yielded comparable High performance concrete Copper slag strength with that of the control mix. However, further additions of copper slag caused reduction in the Waste material strength due to an increase of the free water content in the mix. Mixes with 80% and 100% copper slag Industrial ...

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EFFECTS OF FINENESS AND CONTENT OF PHOSPHORUS SLAG

The incorporation of 20–40 wt.% PHS declines the early strength of concrete, but this reduction effect on strength can be eliminated to some degrees by mechanically grinding the PHS. The compressive strengths of concrete added with PHS with a high fineness of 505 m 2 /kg (abbreviated as PHS-H) are about 16.0–20.6% higher at three days and 8 ...

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THE SHORT-TERM PROPERTIES OF NICKEL SLAG-AGGREGATE

The paper describes a research to evaluate the performance of nickel slag-aggregate high strength concrete (NSA-HSC). Nickel slag, as a by-product from nickel mines, was used as aggregates, either as coarse aggregates or both fine and coarse aggregates, to produce high strength concrete.

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Top PDF Design of High Strength Concrete Mixes M60 and ...

Concrete is a combination of construction material composed of cement and water combined with fine aggregate, coarse aggregate in proper proportions. The investigation is carried out mainly in two phases. The first phase of investigation is carried out to study the compressive strength of carbide waste concrete for one standard grade (M40) and one high grade (M60) by maintaining the water ...

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Effect of Slag, Natural PDF Cement Mortar (Masonry)

Effect of Slag, Natural - Free download as PDF File (.pdf), Text File (.txt) or read online for free.

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Effects of High-Volume Ground Slag Powder on the ...

Massive high-strength concrete structures tend to have a high risk of cracking. Ground slag powder (GSP), a sustainable and green industrial waste, is suitable for high-strength concrete. We carried out an experimental study of the effects of GSP with a specific surface area of 659 m2/kg on the hydration, pore structure, compressive strength and chloride ion penetrability resistance of high ...

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Alkali-activated slag concrete with paper industry waste

At later times, method 3 led to limited further strength development (for most mixes, >90% of the 28-day strength developed in the first 7 days of curing except for the PSA mix with higher WG content); this agrees with Bakharev et al. (1999) and Gu et al. (2014) on temperature curing of alkali-activated slag concrete. Generally, method 1 gave ...

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Study on the Preparation of High Performance Concrete ...

The high temperature environment is conductive to the early hydration reaction of the active components (C 12 A 7, C 2 S and C 3 S) in the SS powder, leading to the rapid increase in the early strength of the HPC system. At 28 d age, the compressive strength of the three groups of samples all reached more than 70MPa, but the increase in ...

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Impact of using different materials, curing regimes, and ...

Sep 03, 2021  Phosphorous slag, for example, is an industrial waste by-product generated from the production of yellow phosphor ... which consequently leads to higher early strength development. ... and to investigate using local materials instead to produce ultra-high strength concrete as several studies have already shown that river sand and recycled fine ...

get price

(PDF) Ground Granulated Blast-Furnace Slag (GGBS) as a ...

Aug 28, 2021  The basic objective of this investigation is to examine the characteristics of concrete using Ground granulated blast-furnace slag (GGBS) as

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THE SHORT-TERM PROPERTIES OF NICKEL SLAG-AGGREGATE

The paper describes a research to evaluate the performance of nickel slag-aggregate high strength concrete (NSA-HSC). Nickel slag, as a by-product from nickel mines, was used as aggregates, either as coarse aggregates or both fine and coarse aggregates, to produce high strength concrete.

get price

EFFECTS OF FINENESS AND CONTENT OF PHOSPHORUS SLAG

The incorporation of 20–40 wt.% PHS declines the early strength of concrete, but this reduction effect on strength can be eliminated to some degrees by mechanically grinding the PHS. The compressive strengths of concrete added with PHS with a high fineness of 505 m 2 /kg (abbreviated as PHS-H) are about 16.0–20.6% higher at three days and 8 ...

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233R-17: Guide to the Use of Slag Cement in Concrete and ...

furnace slag was produced in the United States in 2013; 2,300,000 Mg of that being granulated, and 5,300,000 Mg air-cooled. According to the Slag Cement Associa-tion, 2,500,000 Mg of slag cement and 540,000 Mg of slag blended cement were used in concrete and other construc-tion applications (some of which used imported granules).

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Sustainable Use of Steel Industry Slag (SIS) for Concrete ...

This paper presents a review on the sustainable use of steel industry slag (SIS) in the construction industry for sustainable development. This issue also may contribute significantly to attain the sustainable development goal (SDG). If feasible sector is not determined earlier for the use of SIS for the country like Bangladesh then the unproductive uses will be increased and as well without ...

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Engineering performance of high-content MgO-Alkali ...

Jan 19, 2021  This research investigated the effects of recycled fine aggregate (RFA) and fly ash (FA) content on the strength development and engineering properties of alkali-activated slag–MgO (AASM) mortar. Various mortar specimens in which natural sand was replaced by RFA in five ratios (0:100, 25:75, 50:50, 75:25, and 100:0) and 0%, 15%, 30%, and 45% of the slag content was replaced by FA were ...

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Steam-cured recycled aggregate concrete incorporating ...

Apr 11, 2019  Steam curing employed for faster strength gain due to higher hydration rate may lead to shrinkage issues, and hence the use of moderately high early strength cement (MESC) is proposed instead of typically used high early strength cement (HESC) which has a high C3S content. This paper evaluates the suitability of MESC for use in precast concrete. The objective was to (i) determine the ...

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Chloride-Ion Penetrability and Mechanical Analysis of High ...

It is also shown that, in comparison to the high strength concrete with slag, the computed chloride migration coefficient from non-steady state migration (D nssm ) at 90 days was 29% greater in the high-strength concrete with gravel.According to Table 4 [20], both samples of high strength concrete that were made with gravel and slag can be ...

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A REVIEW ON PARTIAL SUBSTITUTION OF SAND WITH

and reduction of waste by recycling and reusing of waste materials. This paper focused on the development of high performance concrete by replacing sand by copper slag and to find out the optimum solution of waste replacement in concrete by studying various authors researches and reviews.

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GGBS - Ground Granulated Blast Furnace Slag for Concrete!

Oct 07, 2019  GGBS concrete may have lower strength at early ages but the ultimate strength after 28 days remains the same as the ordinary concrete. When the high amount of GGBS is used in the concrete the temperature is low and the reduction in strength during early age is noticeable. Hence, you cannot remove props early.

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