effects of curing on ncrete with pper slag

effects of curing on ncrete with pper slag

Effects of slag type and curing method on the performance ...

Nov 30, 2020 · 1. Introduction. Ground granulated blast furnace slag (referred to as slag in this paper) is a byproduct of the iron and steel manufacturing process that has been increasingly used as a cementitious ingredient in cement and concrete composites , , .Generally, the inclusion of slag is regarded to be beneficial to the performance of mortar and concrete .

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Effects of Ground Granulated Blast Furnace Slag in ...

slag cement replacement increased. Curing methods which limited carbonation produced concrete with the highest level of scaling resistance. Air-cured concrete had higher scaling resistance than concrete cured with commercial curing compounds. The scaling resistance of all grade 120 slag cement concrete was within acceptable limits.

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Effects of Internal Curing, Slag, and Silica Fume on ...

Three series of concrete mixtures, a total of 13 individual mixtures, were used to evaluate the effect on shrinkage of internal curing with and without additions of slag and silica fume. Mixture proportions are shown in Table 2. Mixtures designated as “Control” contained no prewetted LWA, slag, or silica fume.

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Effects of curing conditions on properties of concrete ...

Mar 01, 2000 · The effects of curing conditions on properties of slag cement concrete were studied. Autoclaving (175°C, 0.5 MPa) and steam curing (80°C) were compared to normal curing (28 days, 20°C, and 100% RH). Four different concrete mix designs with the same mix proportions and different cement replacements were used: 0% slag (control), 25% slag, 50% ...

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Effect of different curing methods on the compressive ...

Research Paper Effect of different curing methods on the compressive strength development of pulverized copper slag concrete Daniel M. Boakye . a *, Herbert C. Uzoegbo . a, Nonhlanhla Mojagotlhe . a, Moeti Malemona . a. a . Dept of Civil and Env. Engineering, University of the Witwatersrand, Private Bag 3, 2050, Johannesburg, South Africa . A R ...

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Effects of curing conditions on properties of concrete ...

The effects of curing conditions on properties of slag cement concrete were studied. Autoclaving (175°C, 0.5 MPa) and steam curing (80°C) were compared to normal curing

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Effects of curing conditions on properties of concrete ...

The effects of curing conditions on properties of slag cement concrete were studied. Autoclaving (175°C, 0.5 MPa) and steam curing (80°C) were compared to normal curing (28 days, 20°C, and 100% RH). Four different concrete mix designs with the same

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Effects of Internal Curing, Slag, and Silica Fume on ...

Three series of concrete mixtures, a total of 13 individual mixtures, were used to evaluate the effect on shrinkage of internal curing with and without additions of slag and silica fume. Mixture proportions are shown in Table 2. Mixtures designated as “Control” contained no prewetted LWA, slag, or silica fume.

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Effects of curing conditions on properties of concrete ...

Mar 01, 2000 · The effects of curing conditions on properties of slag cement concrete were studied. Autoclaving (175°C, 0.5 MPa) and steam curing (80°C) were compared to normal curing (28 days, 20°C, and 100% RH). Four different concrete mix designs with the same mix proportions and different cement replacements were used: 0% slag (control), 25% slag, 50% ...

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Effect of different curing methods on the compressive ...

Research Paper Effect of different curing methods on the compressive strength development of pulverized copper slag concrete Daniel M. Boakye . a *, Herbert C. Uzoegbo . a, Nonhlanhla Mojagotlhe . a, Moeti Malemona . a. a . Dept of Civil and Env. Engineering, University of the Witwatersrand, Private Bag 3, 2050, Johannesburg, South Africa . A R ...

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Effect of Curing Conditions on the Performance of ...

Mar 03, 2021 · ASCE Subject Headings: Shrinkage (material), Concrete, Polymer, Compressive strength, Curing, Slag, Synthetic materials, Blasting effects Journal of Materials in Civil Engineering Vol. 33, Issue 3 (March 2021)

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(PDF) Effect of Curing Methods And Environment on ...

The paper presents the effect of three different curing methods i.e. water curing, sealed curing , air curing and curing periods on hardened properties of different concrete mixes (with and ...

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Durability of Lightweight Self-Curing Concrete

This paper presents the major causes of deterioration and discusses the factors, which can improve the durability of concrete structures. This paper also presents the results of an extensive experimental investigation for the reuse of industrial by product materials such as blast furnace slag (BFS) and silica fume (SF) in producing high performance concrete.

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Role of Concrete Curing - Portland Cement Association

Role of Concrete Curing. Curing plays an important role on strength development and durability of concrete. Curing takes place immediately after concrete placing and finishing, and involves maintenance of desired moisture and temperature conditions, both at depth and near the surface, for extended periods of time.

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Stepwise regression modeling for compressive strength of ...

Slag cement abstract This paper presents the results from a parametric experimental investigation of the compressive strength of alkali-activated concrete. The effects of curing condition (moist-cured versus heat-cured), sodium oxide dosage, silica dosage, silica modulus (relative dosage of silica to sodium), solution/binder ratio, ...

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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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Application of ferronickel slag as fine aggregate in ...

Jul 01, 2021 · Industrial and construction solid waste regarded as a hazardous material has given rise to the potential threats of environmental pollution. The ferronickel slag (FNS) as an industrial by-product and recycled concrete aggregates (RCAs) derived from construction and demolition wastes have potential for sustainable use as the fine and coarse aggregate in concrete, respectively.

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Effect of copper slag fine aggregate on corrosion ...

This paper reports the result of experimental on the resistance to chloride diffusion and steel corrosion of concrete mixtures. A series of tests were performed to investigate the effect of copper slag as partial replacement of fine aggregate on corrosion processes and behavior in prism specimens.

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Effect of curing regimes on chloride binding capacity of ...

Abstract Chloride attack on reinforced concrete is considered the most important aspect in concrete durability investigation. This study is carried out to investigate effect of curing condition on the chloride binding capacity of fly ash geopolymer pastes containing a range of cast in chloride contents (NaCL), varying from 1%, 2% and 4% by mass of binder.

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(PDF) Effect of Steam Curing on the Properties of Slag ...

Effects of curing conditions on properties of concrete using slag replacement. Cement and Concrete Research. Vol. 30, pp. 465-472. Baoju, L., Youjun, X., Shiqiong, Z. and Jian, L. (2001). Some factors affecting early compressive strength of steam-curing concrete with ultrafine fly ash.

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Effects of Internal Curing, Slag, and Silica Fume on ...

The shrinkage of mixtures containing replacements of total aggregate with prewetted lightweight aggregate (LWA) (0, 8, and 10% by volume) and replacements of cement with Grade 100 slag cement (0 and 30% by volume) and silica fume (0, 3, and 6% by volume) is evaluated. The results show that internal curing provided by prewetted LWA reduces the ...

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Effects Of Curing On Concrete With Copper Slag

Home; Blog; Effects Of Curing On Concrete With Copper Slag; Effects Of Curing On Concrete With Copper Slag. strength parameters such as compressive strength is confirmed for 7 and 28 days of curing period Based on the test appropriate results is derived Key word Concrete Compressive strength Copper slag I INTRODUCTION Concrete is the best vital material for the construction of high rise ...

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Effect of Accelerated Curing on the Furnace Slag Based ...

The study aims to explore the effects of crimped polypropylene fiber (PP) inclusions in slag (GGBS) based concrete, which was used as cement replacement. The mode of accelerated curing on mechanical properties of the GGBS based concrete for various mixes of concrete was investigated systematically. The addition of PP fiber in the concrete increases the strain hardening properties of

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Effect of curing methods and wet curing duration on ...

The effect of wet curing duration (1, 7, 14 and 28 d) on the strength, impermeability and corrosion resistance for protecting internal reinforcement of plain and slag-cement concrete (in which 40% ...

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Effects of curing conditions on shrinkage of alkali ...

Keywords: Alkali activated slag concrete, microstructure, drying shrinkage, curing regime, high MgO granulated blast furnace slag INTRODUCTION Granulated blast furnace slag (GBFS) is a by-product derived from the iron-making process, and is quenched from its molten state to form an amorphous material consisting mainly of a

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[PDF] EFFECT ON CONCRETE BY DIFFERENT CURING METHOD

The properties of hardened concrete, especially the durability, are greatly influenced by curing since it has a remarkable effect on the hydration of the cement. The advancements in the construction and chemical industry have paved way for the development of the new curing techniques and construction chemicals such as Membrane curing compounds, Self-curing agents, Wrapped curing, Accelerators ...

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Durability of Lightweight Self-Curing Concrete

This paper presents the major causes of deterioration and discusses the factors, which can improve the durability of concrete structures. This paper also presents the results of an extensive experimental investigation for the reuse of industrial by product materials such as blast furnace slag (BFS) and silica fume (SF) in producing high performance concrete.

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Curing Effects on High-Strength Concrete Properties

Mar 06, 2019 · This study was conducted to investigate the impact of hot and dry environments under different curing conditions on the properties of high-strength concrete. The concrete samples were prepared at a room temperature of 20°C and cured under different curing conditions. Some specimens underwent standard curing from 24 h after casting until the day of testing.

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Investigating the Effects of Copper Slag and Silica Fume ...

Aug 12, 2019 · Concrete protection management is needed to extend structure life and reduce maintenance costs (Kumar Mehta and Monteiro 2002).Copper slag is a waste product of smelting and refining process of copper production (Shi et al. 2008). 2.2–3 tons of slag is produced per one ton of copper (Taher Shamsy et al. 2011).Proper management of copper slag as a by-product of copper

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Effect of elevated temperature curing on properties of ...

Oct 01, 1999 · The chemical composition and properties of the slag used are summarised in Table 1.The blast furnace slag (SteelCement Ltd., Port Melbourne, Australia) is a granulated product ground to fineness of about 460 m 2 /kg, with the particle size range of 1–10 μm, and is neutral with the basicity coefficient K b = (CaO + MgO)/(SiO 2 + Al 2 O 3) equal to 0.93. The slag is supplied with 2% blended ...

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Effects of curing conditions on properties of concrete ...

The effects of curing conditions on properties of slag cement concrete were studied. Autoclaving (175°C, 0.5 MPa) and steam curing (80°C) were compared to normal curing (28 days, 20°C, and 100% RH). Four different concrete mix designs with the same

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Effect of Curing Condition on Resistance to Chloride ...

Changes in the salt attack resistance of concrete using ground granulated blast furnace slag (GGBFS) were examined based on different curing conditions. These conditions were divided into air and underwater curing. Three concrete mixes with GGBFS replacement ratios

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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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