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  2. Equipment Of The Slag Alkali Cement

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Accelerated carbonation and structural transformation of …

Alternative cements and production routes are necessary to offset the considerable global CO 2 emissions of Portland cement production. The combination of alkali-activation and …

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Mechanisms of efflorescence of alkali-activated slag

Efflorescence refers to the formation of fluffy white deposits on the surface of materials, such as brick, concrete and stone [1, 2].In Portland cement (PC) systems, the main …

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Characterization of alkali-activated hybrid slag/cement concrete

Therefore, more studies for alkali activated slag concrete are required. In addition, using GBFS with different ratios with OPC in the alkali activated blended cement is needed. …

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Microcracking and strength development of alkali activated slag concrete

The chemical composition and properties of the slag is summarised in Table 1.The term water/binder (w/b) ratio is used instead of the conventional water/cement ratio to describe …

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NewCem | Slag Cement Canada | Slag Concrete | Lafarge …

NewCem® Slag Cement can be used in all concrete applications for increased strength, durability and sustainability. ... consistent chemistry from a reliable source and rapid slag quenching …

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Effect of Ca(OH)2 on shrinkage characteristics and …

The study presents the shrinkage behaviour of Ca(OH) 2-added alkali-activated slag (AAS) concrete. A series of tests were performed to determine the plastic shrinkage, …

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Alkali-Activated Slag Concrete After 5 Years of Alkali

The extent of alkali-silica reaction damage in alkali-activated slag binder systems were investigated and compared to portland cement binder systems. This study continues the …

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Greening of Slag Cement Concrete

Hardened concrete containing slag cement can show mottled green or blue-green areas on the surface in the first few days after placement. This temporary condition commonly …

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Development of sustainable, high strength slag based alkali …

ABSTRACT. Alkali-activated binder-based composites offer a sustainable alternative to cement-based systems, giving a conservational approach. This research …

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Corrosion resistance of alkali-activated slag cement

This paper examines the corrosion of alkali-activated blast furnace slag cement in pH 3 nitric acid, pH 3 acetic acid, 30% CaCl2 solution and 15% CO2 atmosphere at relative …

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An eco-friendly and low-cost superhydrophobic alkali …

Alkali-activated slag cement (AASC) has shown immense potential for application as a low-carbon and eco-friendly cementitious material. It's crucial to modify the AASC with …

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Alkali-activated Portland blast-furnace slag cement: …

The aim of this article was to study the kinetic, the mechanical development and the microstructure of an alkali-activated blended Portland cement produced from the mixture of a …

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A review: Alkali-activated cement and concrete production …

Two-part mixes are the choice of most active AAMs companies, and constructions such as the Melton Public Library in Melbourne, Global Change Institute or the Brisbane …

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A Low-Autogenous-Shrinkage Alkali-Activated Slag and Fly Ash Concrete

Alkali-activated slag and fly ash (AASF) materials are emerging as promising alternatives to conventional Portland cement. Despite the superior mechanical properties of …

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Alkali-Activated Stainless Steel Slag as a Cementitious …

Table 5 shows that all mixtures have good capacity to pass through reinforcement bars without the need for compacting equipment, ... Mithun B., Narasimhan M. Performance of alkali …

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(PDF) Setting of Alkali-Activated Slag Cement. Influence of Activator

The objective of this work was to determine the mechanisms that govern the setting times of alkali-activated slag (AAS) cement pastes, as a function of the nature of the alkaline …

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Sulfate resistance of alkali-activated slag and Portland cement …

A new type of RPC, called as ARPC (Alkali-activated slag based Reactive Powder Concrete), has recently been produced by using alkali activated slag cement (AASC) as an …

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Mechanical properties and durability of alkali-activated steel …

Alkali-activated cement (AAC) is either clinker-less or free, and it is also environmentally friendly due to its low carbon footprint and wide range sources. Industrial …

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Hydration products of alkali activated slag cement

An alternative approach is alkaline activation of slag by group I metal alkalis. Compared with ordinary Portland cement (OPC) and interground slag- blended cement, alkali …

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SUGGESTED SPECIFICATIONS FOR SLAG CEMENT IN …

Slag cement should be used as a pound for pound replacement for portland cement in a concrete mixture. Slag cement is a raw material that is used in a wide variety of commercial and …

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Repair of ordinary Portland cement concrete using alkali activated slag

The ordinary Portland cement (P.O 42.5) with a specific surface area of 345 m 2 /kg and a density of 3.15 g/cm 3 was used, which was provided by Shijiazhuang Quzhai …

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Mechanical properties of alkali-activated slag lightweight …

Test equipment images and diagrams. (a) Test of compressive strength, (b) test of splitting tensile strength, (c) test of flexural strength. 3. ... Morever, Collins stated that there is …

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Performance of Slag Cement with Portland‐limestone …

• The alumina in the slag cement can react with more of the finely divided limestone in Type IL cement to form additional carboaluminatehydrates ... Expansion of mortar bars and concrete …

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Total alkali content of concrete for various alkali levels in cement …

The alkali–silica reaction is a universally known destructive mechanism in concrete that can lead to the premature loss of serviceability in affected structures.

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

7.10—Reduction of expansion due to alkali-silica reac-tion, p. 15 7.11—Resistance to freezing and thawing, p. 16 7.12—Resistance to deicing chemicals, p. 16 ... of slag cement was …

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Brief Introduction of Alkali Slag Cement-SinoACA

Alkali slag cement is a chemically activated cementitious material prepared from alkali components and ground water-quenched blast furnace slag as the main raw materials. Slag cement is also called slag portland cement. …

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Alkali-Activated Slag concrete development and their …

Alkali-Activated Slag (AAS) composites are composites prepared from Ground Granulated Blast furnace Slag (GGBFS) activated through appropriate alkali solution.

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Use of Alternative Materials in Cement …

The alkali compounds are separately marketed whereas the alkali-free CKD is reused as a component in cement raw feed. Carbonate Sludge Use of a lime-rich sludge from the fertilizer industry in the raw meal of a wet process …

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Freeze–thaw resistance and sorptivity of fine‐grained alkali…

The paper investigates the freeze–thaw resistance and sorptivity behavior of fine-grained alkali-activated concrete cured at ambient temperature. A blended binder system …

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Alkali-activated slag cements: Kinetic studies

This value is 57.6 KJ/mol. AE" value obtained after the induction period for a blast furnace slag, activated with Na^S^ + NaOH at 4%Na20 is the same order ofthat obtained by …

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Mechanical and durability performance of alkali-activated slag cement …

Concrete containing Portland cement (PC) is the most widely used building material and is integral to modern life. However, the production of PC which is reported to be 4 billion …

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Comparison and assessment of carbon dioxide emissions between alkali

In this study, both fly ash-based geopolymer concrete and slag-based geopolymer concrete are more sustainable than OPC concrete. And the E f and C f of GGBS-C1 and …

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ALKALI-ACTIVATION KINETICS OF PHOSPHORUS …

Alkali-activation kinetics of phosphorus slag cement using compressive strength data Ceramics – Silikáty 59 (3) 250-260 (2015) 251 3) an accurate measurement of the …

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