Alkali activated slag concretes (AASC)
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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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: ...
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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 ...
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Impact of water content on the performance of alkali-activated slag concretes
... in alkali-activated slag concretes strongly influences the mechanical strength and permeability of these ...based concretes, a direct correlation between water content of the concrete, ...
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Comparison of chloride-induced corrosion between alkali-activated slag concretes and Portland cement concretes
... Figure 5 plots corrosion rates against different influencing factors. In Fig. 5(a) and (b), there is no relationship between the rate of corrosion and both the chloride diffusivity and the bulk resistivity of AAS ...
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An Experimental Study on Alkali Activated Slag Concrete using GGBS and Flyash
... materials, alkali activated slag concretes are emerging as an essential material of the ...of alkali activated slag is the alkali activation of ground granulated ...
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Microstructural, Mechanical, and Durability Related Similarities in Concretes Based on OPC and Alkali-Activated Slag Binders
... or slag has been reported (Duxson et ...furnace slag or a combination of fly ash and slag (Chithiraputhiran and Neithalath 2013) is employed for ambient temperature cured ...
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Mechanical and Microstructural Characterization of Alkali-Activated Materials Based on Fly Ash and Slag
... in alkali-activated GGBFS mortars or concretes than comparable OPC mortars or concretes ...of alkali-activated slag concrete is higher than that of OPC concrete ...based ...
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Title: Compressive strength variation of alkali activated fly ash/slag concrete with different NaOH concentrations and sodium silicate to sodium hydroxide ratios
... the alkali activated concretes ...the alkali activated materials has been ...the alkali activated concrete for the structural applications, further studies are required ...
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Accelerated carbonation testing of alkali-activated slag/metakaolin blended concretes: effect of exposure conditions
... The rates of pore 680 solution carbonation and gel carbonation seem to be particularly distinct from each other at higher 681 CO2 concentration, meaning that such test conditions lead to[r] ...
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The Production of an All Waste Steel Slag Alkali Activated Concrete
... steel slag. Different slag types were used to fully replace the fine, and coarse aggregates, beside, the use of ground granulated blast furnace steel slag (GGBFS) as a precursor to the alkali ...
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The effect of blast furnace slag/fly ash ratio on setting, strength, and shrinkage of alkali-activated pastes and concretes
... 0.25, fly ash incorporation gives a delay in what would otherwise have been an inconveniently rapid initial set, and at 60% FA the retardation is sufficient to bring the setting time into the rang of setting time values ...
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A Comparative Study of Alkali Activated Slag and Fly Ash-Based Geopolymer Concrete
... of alkali activated slag (AAS) and fly ash based Geopolymer ...Geopolymer concretes can exhibit comparable strength to OPC and slag-blended OPC ...
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Alkali-activated materials – cementing a sustainable future
... in activated concretes using different activation solutions and comparable modulus of rupture are obtained in slag activated concretes produced with a type of activator but increased ...
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High-temperature performance of mortars and concretes based on alkali-activated slag/metakaolin blends
... and alkali- activated slags for the production of cementitious materials has been studied extensively in the past decades ...of alkali- activated materials(8). Studies of ...
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Water content modifies the structural development of sodium metasilicate-activated slag binders
... in alkali-activated slag ...higher alkali concentrations as more of the alkaline component is introduced into the system, and simultaneously leads to an increase in permeability, as more water ...
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Alkali Activated Slag Characterization by Scanning Electron Microscopy and X-ray Microanalysis
... furnace slag, and ...furnace slag both are byproducts from other ...hand, slag is considered as latently hydraulic due to the lack of reactivity in water, while it reacts when activated by an ...
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Microstructural Changes Induced by CO2 Exposure in Alkali-Activated Slag/Metakaolin Pastes
... of alkali-activated slags leads to decalcification of the C-(N-)A-S-H type gels forming in these systems, resulting in the formation of an aluminosilicate hydrate type gel (Bernal et ...
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Experimental investigation of alkali activated slag and flyash based geopolymer concrete
... of Alkali-Activated and Flyash based Geopolymer Concrete comparing with the conventional concrete of M40 ...The Alkali activators are prepared by combining sodium hydroxide and sodium silicate ...
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Industrial Byproduct- Based Concrete Subjected to Carbonation. Electrochemical Behavior of Steel Reinforcement
... The polarization resistance corroborates the information obtained for Ecorr measurements, where the GBFS+FA concretes show increased polarization resistance for the steel in the first hours until 1050 hours ...
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