• Strength and Drying Shrinkage of Alkali-Activated Slag ...

    The aim of this study is to investigate the strengths and drying shrinkage of alkali-activated slag paste and mortar. Compressive strength, tensile strength, and drying shrinkage of alkali-activated slag paste and mortar were measured with various liquid/slag ratios, sand/slag …

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  • performance of manganese slag cement based concrete

    PERFORMANCE OF ALKALI ACTIVATED SLAG WITH ...Ijirset.com furnace slag is used not as partial replacement to cement but also as a sole binder in the production of concrete. ... The performance of alkali-activated slag concrete with sodium silicate, sodium hydroxide, sodium carbonate as .... Manganese content ...

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  • A STUDY ON COMPLEX ALKALI-SLAG ENVIRONMENTAL equipment of the slag alkali cement

    alkali fly-ash slag concrete [], alkali titaniferous slag concrete, alkali alumo-silicate concrete and alkali phosphorous slag concrete etc prepared. It may be a combination of several kinds of slag. So such application is significant for making the slag into a resource..Full use of low grade aggregate For alkali slag concrete the low ...

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  • Mechanical and Durability Properties of Alkali Activated ...

    SCMTLas Vegas, USA, August,Mechanical and Durability Properties of Alkali Activated Slag for Sustainable Concrete . Mohsen Jafari Nadoushan *1, Ali A. Ramezanianpour, and Seyed Mohsen Kheirandish3.PhD Student, Dept. of Civil Engineering, Amirkabir University of Technology, Tehran, Iran.E-mail:

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  • Effect of Sodium Hydroxide Concentration and equipment of the slag alkali cement

    Geopolymers. A wide research took place in Alkali Activated Slag as a substitute binder for cement concrete. Most well-known alkaline solution employed in the geopolymer technology is the mixture of sodium hydroxide with sodium silicate or potassium hydroxide with potassium silicate. The curing temperature is a

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  • ALKALI-ACTIVATION KINETICS OF PHOSPHORUS SLAG …

    Alkali-activation kinetics of phosphorus slag cement using compressive strength data Ceramics – Silik&#;ty(3)()) an accurate measurement of the amount of products and non-reacted materials in specified time intervals is difficult, can be addressed. Owing to these constraints, researchers consider the

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  • Slag Cement Concrete Durability

    SCIC #, Slag Cement and Life Cycle Prediction Models, examines how slag cement can positively affect some of the properties that increase the useful life of a concrete structure and decrease life cycle cost, including low permeability, increased corrosion resistance, high strength, improved resistance to alkali-silica reactivity and sulfate ...

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  • slag cement processing equipment equipment of the slag alkali cement

    Slag cement is commonly found in ready-mixed concrete, precast concrete, masonry, soil cement and high temperature resistant building products. While there are many applications and benefits of slag cement, a few are highlighted below and detailed information sheets are located here .

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  • Strength and Durability Properties of Alkali Activated ...

    equipment of the slag alkali cement STRENGTH AND DURABILITY PROPERTIES OF ALKALI ACTIVATED SLAG AND FLY ASH-BASED GEOPOLYMER CONCRETE.Materials and preparation.1.Cementitious materials and alkaline activators.1.Aggregate.1.Mix proportion.1.Mixing and casting.Experimental methods.2.Compressive strength

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  • Final Report | Alkali-Activated Slag Cements as a ...

    Much of the present development in the field of concrete and other cement products focuses on the modification of mortar, concrete, and other mixtures using OPC. Herein, the cement itself, the core binder that makes all cement products possible, would be the focus, opening the doors to revolutionary rather than evolutionary development.

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  • Sulfate attack on alkali-activated slag concrete ...

    Use of alkali-activated slag (AAS) in concrete manufacturing has environmental benefits as its production requires less energy than ordinary Portland cement (OPC) and it utilises industrial by-products . AAS concrete was also reported to have a superior durability in aggressive environments as compared to OPC , , . However, variability in ...

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  • Long Term Performance of Alkali Activated Slag Concrete

    (AASC2) and Portland Cement concrete (Control) from Adam () at RMIT University have been used, as well as the data of alkali activated slag concrete derived from Bernall et al. (AASC3) mix ... equipment of the slag alkali cement

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  • Slag Cement Concrete Durability

    SCIC #, Slag Cement and Life Cycle Prediction Models, examines how slag cement can positively affect some of the properties that increase the useful life of a concrete structure and decrease life cycle cost, including low permeability, increased corrosion resistance, high strength, improved resistance to alkali-silica reactivity and sulfate ...

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  • NON-PORTLAND CEMENT ACTIVATION OF BLAST FURNACE …

    The results indicated that it is possible to produce alkali-activated binders with incorporated slag, and bottom ash, which have mechanical properties similar to ordinary Portland cement (OPC).

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  • Concrete performance using BFS cement

    Recent research has also shown a high binding capacity of chlorides in blastfurnace slag cement pastes. A further aspect of importance for the corrosion protection of reinforcement is the comparatively low electrical conductivity of concrete made with blastfurnace slag cement.

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  • Effects of Alkali-Activation of Slag Concrete

    The American Concrete Institute. Founded inand 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 ...

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  • Alkali Content of Concrete Mix Water and Aggregates

    Alkali Content of Concrete Mix Water and Aggregates Introduction Alkali silica reaction (ASR) is a chemical reaction between some types of aggregate and the highly alkaline pore water present in all Portland cement concretes. When the concrete contains sufficient moisture, alkalis and reactive aggregate the reaction produces

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  • Durability assessment of alkali activated slag (AAS) concrete

    The environmental impact from the production of cement has prompted research into the development of concretes using% replacement materials activated by alkali solutions.

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  • performance of manganese slag cement based concrete

    The Slag Cement Association , the environmental footprint of concrete while ensuring improved performance and , for slag cement and slag blended . Slag Cement Association. Slag cement is a recovered byproduct of the iron manufacturing process and can be used to replace a portion of portland cement in concrete mix design

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  • Uipment The Slag Alkali Cement

    equipment of the slag alkali cementcrusherasia. Hydration products of alkali activated slag cement. Hydration products of alkali activated slag cement.Shao-Dong Wang #, Karen L. Scrivener a; Department of Materials, Imperial College of Science, Technology and .

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  • Concrete

    Testing equipment needed for performing concrete testing are listed on this page by ASTM standards. Each standard lists the correct equipment required to comply with the test standard. ... Hydraulic Activity of Ground Slag by Reaction with Alkali. ASTM C. Estimating Concrete Strength by the Maturity Method.

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  • Alkali-aggregate Reactivity of Ferronickel-Slag Aggregate ...

    Investigations were conducted for a long time to use this hard slag as aggregate in concrete, and it was standardized in Octoberas JIS A(Slag aggregate for concrete). However, one of the types produced in Japan was excluded from the standard, as it was alkali-aggregate reactive.

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  • Cement-Free Mortar Using Ground Granulated Blast-Furnace ...

    The present study concerns a development of cement-free concrete using ground granulated blast-furnace slag (GGBS) with alkali-activators such as KOH, NaOH, and Ca (OH)2. To find out the development among three different activators, the concentration of hydroxyl ion was kept.5%,.0%,.5%,.0% and.0% by weight of binder irrespective of cations.

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  • Mitigating Alkali-Silica Reaction

    In this standard practice, the minimum level of slag is determined by consideration of aggregate reactivity, alkali availability, the exposure conditions, and the size and type of the concrete structure. Slag cement contains a small amount of alkalis.Typically, the amount of alkali is similar to that of lowto-moderate-alkali portland cement ...

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  • Slag | Cement Science

    I have been confused by the term “Geopolymer cement (concrete)” for long time. Some researchers told me Geopolymer cement is essentially alkali activated cement/material (AAMs), such as alkali activated slag and fly ash. equipment of the slag alkali cement

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  • Blast Furnance Slag

    The primary issue associated with the use of slag cement is the reported loss of durability (salt scaling resistance) for exposed Portland cement concrete containing more than aboutpercent slag cement. equipment of the slag alkali cement

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  • The Effect of Alkaline Activator on Workability and ...

    equipment of the slag alkali cement The alkali contents of NaO to activate slag in concrete were equal to.5,.5,.5,.and.% by mass of slag and silicate moduli of alkali solution varied from.,.,.and.. The compressive strength test of concrete specimens over,anddays was measured.

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  • Strength and shrinkage properties of alkali-activated slag ...

    An investigation was conducted that examined the effects of internal curing of alkali-activated slag concrete (AAS) by replacing normal weight coarse aggregate with fully saturated blast-furnace slag coarse aggregate.

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  • EFFECT OF SLAG ON EXPANSION DUE TO ALKALI-AGGREGATE ...

    The partial replacement portland cement with slag in the range of% was effective in retarding the rate of expansion and limiting the ultimate expansion atyears in concrete prisms cast with all four alkali-silica reactive aggregates.

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  • Alkali-Activated Cements and Concretes

    The first English-language book which reviews and summarizes worldwide research advances in alkali-activated cements and concrete. Essential topics include: raw materials and their properties for the production of the two new types of binder the hydration and microstructure development of alkali-activated slag cements the mechanical properties and durability of alkali-activated slag cement and ...

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  • "Alkali-Activated Natural Pozzolan/Slag Binder for ... equipment of the slag alkali cement

    While the drying shrinkage of the worst performed alkali-activated natural Pozzolan/slag concrete was about% higher than that of the reference Portland cement concrete, there were several alkali-activated concretes that shrank considerably less than the reference Portland cement concrete.

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