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Němeček et al. [16] identified the reaction products of alkali activated fly ash cement (AAFA) pastes as N-A-S-H (sodium aluminosilicate hydrate), partly activated slag (N-A …
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Supporting: 6, Mentioning: 53 - The aim of this study was to present the problem of durability of structural lightweight concrete made of a sintered fly ash aggregate. The issue of durability …
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parameters of fly ash concretes at an early age. Based on previous studies, it was observed that the use of SF in FA concretes contributed to a substantial increase in the fracture
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This paper describes the influence of raw material, water-cement ratio, sand ratio, cement-sand ratio and fly ash content on impermeability of waterproof concrete. The value ranges of several important mix parameters are summarized, that …
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Fly ash for use in concrete: 2015: United Kingdom: BS EN 450-1: Fly ash for concrete. Definition, specifications and conformity criteria: 2012: BS EN 450-2: Fly ash for …
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Through this study, the microstructure and mechanical properties of fly ash blended cement paste at different water to cement ratios were quantitatively studied and linked …
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Firstly, mix the fly ash, GGBS, and sand according to the set proportion, add them into the planetary cement mortar mixer, mix the prepared alkali activator while mixing, and …
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This paper deals with the microstructural characterization of fly ash and BFS material and develops a composite with a mixture of fly ash, BFS, and cement at varying …
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Given the abundance, reduced cost, and environmental advantages associated with the utilization of ground granulated blast furnace slag (GGBFS) as a substitute for fly ash, this investigation …
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Cement during hydration generates calcium hydroxide, when it is combined with fly ash results in secondary gelatinous substances, which is an advantageous property of the fly ash (Kocak …
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This study investigates the effects of sodium sulfate decahydrate (Na2SO4·10H2O) and calcium hydroxide (Ca(OH)2) as activators at concentrations of 0.5%, 1.0%, 1.5%, and 2.0% on the mechanical properties …
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partial replacement of cement at 4% improved the con-sistency of the mix and accelerate the formation of C-S-H gel, as a result, improvement in flexure, tensile strength of concrete due to …
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Fly ash is the most commonly used source binder material for producing geopolymer concrete [7] due to its low cost, wide availability, and increased potential for …
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Geopolymer concrete has been explored as an alternative sustainable concrete in recent years. Significant research has been conducted to understand the process of …
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At the shear thickening stage, the rheological parameters increased with increasing fly ash content. In this paper, the properties of cement-fly ash slurry subjected to multiple …
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Optimization of surface modification parameters of fly ash with high calcium oxide (CaO) content to use as a filling material ... Several review papers are associated with FA …
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A comparison of fly ash particles sizes to those of several types of soils is presented in the Figure 1.1. Fly ash is a fine residue composed of unburned particles that solidify while suspended in …
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Alkali-activated concrete (AAC) is a potential replacement for Portland cement concrete (PC concrete) [[1], [2], [3]], which is mainly produced by the alkali activation of silica …
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Both soil–fly ash mixes with 50% fly ash content are suitable for use in the subgrade layer of low volume road pavements. When 1% cement is added, both the soils with …
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The addition of fly ash (FA) to concrete will not only reduce the CO2 content of concrete but also affect the compressive strength of concrete. Howeve…
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The specific surface areas determined by the Blaine method for Portland cement, fly ash and processed fly ash (Samples AAM1–AAM8) are presented in Table 2. Table 2. The Blaine …
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Influence of various parameters on strength and absorption properties of fly ash based geopolymer concrete designed by Taguchi method Constr Build Mater, 150 ( 2017 ), …
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The fly ash composition analysis may helpful in developing a pollution abatement approach for different uses of fly ash such as cement and ceramics manufacturing. The current study deals …
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For fly ash use in concrete applications, fineness is defined as the percent by weight of the material retained on the 0.044 mm (No. 325) sieve. A coarser gradation can …
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The study utilized various blends of cement substitute from 10% to 40% for fly ash (FA) and 5%–10% for silica fume (SF) to create a ternary mixed concrete. SCMs can improve initial and …
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As fly ash contains pozzolanic materials components which reach with lime to form cementatious materials. Thus Fly ash is used in concrete, mines, landfills and dams. Chemical Composition …
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Fly ash wastes (silica, aluminum and iron-rich materials) could be smartly valorized by their incorporation in concrete formulation, partly replacing the cement. The necessary binding …
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Fly ash (FA) is the principal industrial waste byproduct from the burning of solid fuels. FA is a powdery solid that is constituted mostly of unburned carbon (UC), metal oxides (Si, Fe, …
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It was shown that the reactivity of fly ash is a critical factor determining durability-related parameters of mixtures such as CH content, C-S-H type and content, and the pH of the pore …
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Fig. 8 also illustrates cement, superplasticizer, and age of the concrete are positively correlated with compressive strength, and the remaining other parameters are …
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