Alkali activated slag
The Effect of Alkaline Activator on Workability and Compressive Strength of Alkali-Activated Slag Concrete
... on alkali activated slag (AAS) concrete was assessed to achieve the optimum st rength and ...The alkali contents of Na 2 O to activate slag in concrete were equal to ...of slag ...
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Alkali activated slag concretes designed for a desired slump, strength and chloride diffusivity
... 32 Several factors are known to affect the setting time, workability, strength and durability properties of 33 alkali activated slag concretes AASC, including: the type of alkaline activ[r] ...
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Alkali activated slag mortars provide high resistance to chloride-induced corrosion of steel
... simulated alkali-activated slag pore solution depends on both the concentration of sulfide and the time of exposure, due to the alteration of passive film chemistry in the presence of a strong ...
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Durability of alkali activated slag in a marine environment: Influence of alkali ion
... of slag based materials known as alkali-activated slag ...The alkali activation process involves a chemical reaction of slag with the alkaline activator which starts with ...
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An Experimental Study on Alkali Activated Slag Concrete using GGBS and Flyash
... industry. Alkali activated slag concretes have attracted much attention as a potential replacement of OPC due to the fact that the production of alkali activated slag concretes ...
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High-temperature performance of mortars and concretes based on alkali-activated slag/metakaolin blends
... as alkali-activated cements (1, 2), which have been classified in two groups: systems based on (Na,K) 2 O-CaO-Al 2 O 3 -SiO 2 -H 2 O, including alkali-activated slag binders, and ...
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Are alkali activated slag concretes suitable for reinforced concrete structures in chloride environments?
... Are alkali activated slag concretes suitable for reinforced concrete structures in chloride environments? In: Structural Faults & Repair 2018 and European Bridge Conference 2018, 15-17 May 2018, ...
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Are alkali activated slag concretes suitable for reinforced concrete in chloride environments?
... Basheer, M orcid.org/0000-0002-0835-8029, Ma, Q, Nanukuttan, S et al. (2 more authors) (2018) Are alkali activated slag concretes suitable for reinforced concrete in chloride environments? In: TBC. ...
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Alkali-activated slag cements produced with a blended sodium carbonate/sodium silicate activator
... that alkali-activated slag binders can exhibit advantageous techni- cal properties, such as high temperature resistance (Guerrieri et ...of alkali-activated slag materials based ...
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Microstructural Changes Induced by CO2 Exposure in Alkali-Activated Slag/Metakaolin Pastes
... on alkali-activated slag-MK binders is required, but this paper has highlighted the importance of free alkali content in determining the mechanism and products of their ...
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A Comparative Study of Alkali Activated Slag and Fly Ash-Based Geopolymer Concrete
... or slag as the binder in mortar by activating them with an alkali component, such as; caustic alkalis, silicate salts, and non silicate salts of weak ...of alkali activation . Activation by low to ...
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Improving The Microstructure And The Strength Of Alkali Activated Slag Mortar Under Ambient Temperature
... Scanning Electron Microscope (SEM) images were taken to investigate the micro-structure for the materials. The tested specimens used were taken from the crushed specimens used in compressive strength test. From the ...
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Engineering Properties of Alkali Activated Slag Concrete Under Ambient And Heat Curing
... Therefore, the main aim is to investigate the engineering properties of alkali activated slag concrete (four mixes) along with conventional concrete mix subjected to heat curing and ambient curing. ...
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Effect of Red Mud Content on Strength and Efflorescence in Pavement using Alkali-Activated Slag Cement
... work, alkali-activated slag red-mud pavement is developed for feasible application to construction industry using red mud-based ...area, alkali leaching content, and properties of the ...
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PERFORMANCE OF ALKALI ACTIVATED SLAG WITH VARIOUS ALKALI ACTIVATORS
... is alkali activated slag (AAS) where ground granulated blast furnace slag is used not as partial replacement to cement but also as a sole binder in the production of ...of alkali ...
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Experimental investigation of alkali activated slag and flyash based geopolymer concrete
... the alkali concentration was considerably higher than that of conventional concrete and similar for 28 days, and the strength attained at long term period of 56 and 90days showed a greater strength gain when ...
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Impact of water content on the performance of alkali-activated slag concretes
... The water content in concrete mixes is usually selected based on the workability required for casting. For Portland cement-based concretes, it is well known that higher contents of water in the mix lead to an increase in ...
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Resistance to Chlorides of the Alkali-Activated Slag Concrete
... This paper presents an analyze the role of chlorides in causing corrosion in the alkali-activated slag (AAS) concrete, its mechanism of action, the critical threshold on. Rapid Chloride Permeability ...
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Alkali Activated Slag Characterization by Scanning Electron Microscopy and X-ray Microanalysis
... respect, alkali activated materials have been developed as a new kind of inorganic cementitious binders similar to OPC ...[3][4]. Alkali activated materials are a broad classification that ...
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Drying Shrinkage and Durability Studies on Alkali Activated Slag Concrete Using Different Activators
... ivated slag concrete e xhib its a lower porosity than all other mixes at the age of 28 ...L.S.S activated concrete has almost same porosity as control mix (CM2) under water curing ...NaOH activated ...
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