[PDF] Top 20 Mechanical and Microstructural Characterization of Alkali-Activated Materials Based on Fly Ash and Slag
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Mechanical and Microstructural Characterization of Alkali-Activated Materials Based on Fly Ash and Slag
... with fly ash/slag ratios of 100/0 has the lowest compressive strength in all ...with fly ash/slag ratios of 50/50 are approximately ...of alkali-activated ... See full document
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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
... or alkali activated concrete includes alkali activators and alumino-silicate materials for mechanical ...the alkali activators [6, 7] and fly ash, ground granulated ... See full document
10
Microstructural, Mechanical, and Durability Related Similarities in Concretes Based on OPC and Alkali-Activated Slag Binders
... porous materials saturated with a conducting fluid is influenced by the conductivity of the saturating medium in addition to the pore structure param- eters like the overall pore volume and its ... See full document
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Advances in near-neutral salts activation of blast furnace slags
... are materials produced via the chemical reaction of a poorly crystalline aluminosilicate powder, and a highly alkaline solution, to form a hardened ...These materials have been studied for more than a ... See full document
6
ALKALI Activated FLY-ASH Based Geopolymer Concrete
... alumino-silicate materials with potential use in a number of areas, essentially as a replacement for Portland cement and for advanced high-tech composites, ceramic applications or as a form of cast ...these ... See full document
8
Performance Evaluation of Alkali Activated Fly Ash Lightweight Aggregates
... of fly ash obtained from thermal power plant for producing artificial lightweight aggregate has been systematically investigated in this ...production. Fly ash has been used in concrete either ... See full document
10
Effect of Alkali Concentration on Mechanical Properties, Microstructure, Zeta Potential and Electrical Conductivity of Thermally Cured Fly-Ash-Blast Furnace Slag Based Blended Geopolymer Composites
... furnace slag when subjected to alkali activation shows much higher initial reactivity than fly ...concentrated alkali activated solutions. But in comparison to fly ash ... See full document
12
Performance at high temperature of alkali-activated slag pastes produced with silica fume and rice husk ash based activators
... Clinker-free alkali-activated materials produced through the chemical reaction between a highly reac- tive aluminosilicate source and an alkali- activator (5, 6), have been the object of much ... See full document
10
Durability and Degradation of Concrete Obtained from Binary Mixtures of Fly Ash and Steel Slag Activated Alkali
... the mechanical performance of cementations with activated slag additions, It is reported the highest mechanical resistance when the cementing is based solely on steel slag ...of ... See full document
11
CO2 binding capacity of alkali activated fly ash and slag pastes
... OPC- based concrete due to their fundamental differences in constituting phases and pore structure ...OPC-based materials are portlandite and C-S-H, different alkaline gel phases are formed in ... See full document
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A Comparative Study of Alkali Activated Slag and Fly Ash-Based Geopolymer Concrete
... friendly materials. One possible alternative is the use of alkali-activated binder using industrial by- products containing silicate ...binder materials are fly ash (FA) and ... See full document
6
Industrial Byproduct- Based Concrete Subjected to Carbonation. Electrochemical Behavior of Steel Reinforcement
... Steel slag and fly ash are two byproducts from the Colombian industrial sector with the highest potential for use as raw materials in alternative technology concrete production, with their ... See full document
13
Fresh and Hardened Properties of Fly Ash–Slag Blended Geopolymer Paste and Mortar
... hydroxide activated binary blends of slag and fly ash based geopolymer paste and mortars are reported in this ...and microstructural changes occurring during the setting and ... See full document
12
Alkali-activated Fly Ash Manufactured with Multi-stage Microwave Curing
... dielectric materials can vibrate and, thus, generate frictions between the molecules which then convert microwave energy into heat energy instantly and volumetrically (Metaxas; and Meredith, ...dielectric ... See full document
11
Microstructural Changes Induced by CO2 Exposure in Alkali-Activated Slag/Metakaolin Pastes
... and microstructural impact of carbonation on alkali-activated slag-MK binders is required, but this paper has highlighted the importance of free alkali content in determining the ... See full document
10
An Efficient and Stabilization of Lithomargic Soil Using alkali activated Fly ash
... Coke (2001) used up to 25% of Class-C fly ash(18.98 % of CaO) and the treated specimens werecured for 7 days and 28 days. The swelling pressureis found to decrease by 75% after 7 days curing and79% with 28 ... See full document
5
Influence of slag composition on the stability of steel in alkali-activated cementitious materials
... 150 days, Fig. 4. Similar results were obtained after 60 days, so the discussion here focuses on the 150-day samples. The BFS and SiMn mortars exposed to standard laboratory conditions were white, having lost their ... See full document
20
Synergistic and Environmental Benefits of Using Cement Kiln Dust With Slag and Fly Ash in Cemented Paste Tailings
... of slag and fly ash in such ...and alkali rich CKD on pozzolanic reactivity of binders containing SL and ...respective mechanical performance (based on the unconfined compressive ... See full document
291
Hydration process study on the alkali activated slag cementing materials
... cementing materials ultrasonic wave velocity changes with time diagram with ...1.5 alkali excitation agent ...with alkali activated cementitious ...of alkali activated ... See full document
5
Microwave Curing Techniques for Manufacturing Alkali-activated Fly Ash
... Attempts have also been made to optimize the microwave curing regime by combining different power levels in order to increase the strength of PC-based pastes (Makul and Agrawal, 2011). In Makul and Agrawal’s ... See full document
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